
Advertise on podcast: ConTejas Code
Rating
5from
This podcast has
98 episodes
Language
EnglishPublisher
Tejas KumarExplicit
No
Date created
2024/02/19
Latest episode
2026/04/15
Average duration
102 min.
Release period
24 days
Description
ConTejas Code is a podcast in the web engineering space that has deep dives on various topics between frontend engineering with React, TypeScript, Next.js, and backend engineering with Kafka, Postgres, and more. The series is a mix of long-form content and guest episodes with industry leaders in the web engineering space. From the podcast, listeners will take away actionable best practices that you can integrate into your workflows as well as valuable insights from prominent people in the industry. Hosted on Acast. See acast.com/privacy for more information.
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Check latest episodes from ConTejas Code podcast
How to Build an Effective Tech Stack: Balancing User and Developer Experience
2026/04/15
Let's stay in touch? https://twitter.com/tejaskumar_
In this comprehensive podcast episode titled "How to Build an Effective Tech Stack," listeners are guided through the intricate process of constructing a technology stack that harmonizes both User Experience (UX) and Developer Experience (DX). Beginning with a foundational understanding of what a tech stack is, the episode delves into the various components that constitute a tech stack, including technology, tools, libraries, frameworks, and databases. It also covers essential practices such as testing, deployment/hosting, monitoring, and the use of services like Software as a Service (SaaS).
Key discussions include the balancing act between UX and DX, the importance of choosing the right mix of tools and services, and when to prefer a tool over a service. The episode emphasizes the significance of developer experience in shaping user experience and vice versa, presenting insights on unit testing and the pitfalls of striving for 100% code coverage. It also features a comparative analysis of popular frontend UI libraries such as React, SolidJS, and Qwik, addressing the question of how much optimization is truly beneficial.
The podcast underscores the critical notion that beyond the choice of technology, the value of the product to its users is paramount. It concludes with the concept of a living, reactive tech stack that adapts to reduce friction and improve both development processes and user satisfaction. This episode is a must-listen for anyone involved in building or optimizing tech stacks, offering a deep dive into making informed decisions that benefit both developers and users.
Chapters
00:00 - Intro
00:32 - Sponsors
01:45 - Building a Tech Stack: Balancing User Experience (UX) and Developer Experience (DX)
05:03 - What is a Tech Stack?
08:25 - What is Technology?
17:09 - What are Tools?
21:39 - What are Libraries?
29:27 - What are Frameworks?
33:17 - Databases
35:37 - Testing
41:49 - Deployment/Hosting
46:14 - Monitoring
49:31 - Services (Hosted Tools), Software as a Service
54:21 - When to use a tool vs. a service?
58:53 - What to consider when choosing and using tools in a tech stack
01:05:41 - Balancing Developer Experience (DX) and User Experience (UX)
01:08:29 - Unit Testing and Why 100% Code Coverage is Bad
01:10:33 - Paying attention to how DX affects UX
01:14:24 - Comparing Frontend UI Libraries: React, SolidJS, and Qwik
01:21:32 - How much optimization is worth it?
01:23:02 - More Important than a Tech Stack: Is your product valuable?
01:28:17 - A Living, Reactive Tech Stack to Ease Friction
01:30:30 - Conclusion
Hosted on Acast. See acast.com/privacy for more information.
Paul Aragones: How to Engineer a Great Marriage
2026/03/02
Links
- CodeCrafters (Sponsor): https://tej.as/codecrafters
- Guest Socials (Paul Aragones):
Instagram: https://www.instagram.com/prequalizer/YouTube: https://www.youtube.com/@PinoyHusbands- Gottman Institute (The Four Horsemen): https://www.gottman.com/blog/the-four-horsemen-recognizing-criticism-contempt-defensiveness-and-stonewalling/
- Cal.com (Peer Richelsen): https://cal.com
Mentioned Episodes
- Diazno
Spotify: https://open.spotify.com/episode/4i4txd4HhngCGAtDWt0JZF?si=h-LM6LEPQGeh8Hsu2s5N4wApple: https://podcasts.apple.com/nz/podcast/diazno-how-to-unlock-creativity-taste-and-effective/id1731855333?i=1000747678547YouTube: https://www.youtube.com/watch?v=k8azxbxYBAc&list=PLEJpU2pV0Lie1VWU1unMg_7FRQ1gqFmAZ&index=4&t=5888s&pp=iAQBsAgC
Summary
In this episode, I sit down with Paul Aragones, an embedded Linux engineer who made the fascinating pivot to becoming a marriage coach. We explore the surprisingly deep parallels between building stable software systems and engineering a divorce-proof marriage. We discuss why marriage is actually the ultimate operating system for life, how to create a 'spec sheet' for your partner to avoid compatibility bugs, and why your friend circle might be increasing your divorce risk by 75%. Paul also opens up about his own journey through poverty and near-divorce, and we debate the controversial role of submission and servant leadership in modern relationships.
Chapters
00:00:00 Intro
00:05:05 Marriage as an Operating System
00:08:28 Building the Spec Sheet: Requirements for a Spouse
00:13:38 Why Marry? The Societal & Financial API
00:18:45 The Danger of Being Too Picky (The "Feature Creep" Problem)
00:22:14 Defining Your 3 Non-Negotiables
00:27:46 The "Timeout" Clause in Dating
00:33:13 The Shock of v1.0: Early Marriage Bugs
00:39:20 The 75% Rule: How Friends Influence Divorce Risk
00:47:23 Implementing CI/CD: Continuous Improvement in Marriage
00:54:30 Overcoming Male Pride & Finding Mentors
01:01:15 Identity Stack: Husband > Father > Businessman
01:06:11 Addressing Religious Trauma & Misconceptions
01:19:58 The Four Horsemen: Predicting Divorce with 90% Accuracy
01:27:08 Emergency Protocols: Saving a Dying Marriage
01:37:41 Why It's All Worth It: The Highest Form of Satisfaction
Hosted on Acast. See acast.com/privacy for more information.
What is AI engineering and what do AI engineers even do?
2026/02/23
Links
- CodeCrafters (Sponsor): https://tej.as/codecrafters
- The Rise of the AI Engineer (Latent Space): https://www.latentspace.com/p/ai-engineer
- Anthropic Model Context Protocol (MCP): https://www.anthropic.com/news/model-context-protocol
Anthropic Skills (SKILL.md): https://resources.anthropic.com/hubfs/The-Complete-Guide-to-Building-Skill-for-Claude.pdf?hsLang=en
- Pratim Bhosale on Vector Search (Previous Episode): https://www.youtube.com/watch?v=ZJcrI1GbDec
- OpenClaw (Official Repository): https://github.com/openclaw/openclaw
- WormGPT/Prompt Injection Incident (The Verge Reference): https://www.theverge.com/ai-artificial-intelligence/881574/cline-openclaw-prompt-injection-hack
Summary
In this episode, I’m finally breaking down what AI Engineering actually looks like in 2026. We’ve moved past the "wow" phase of demos into the hard reality of production, where models lie, costs spike, and security is a nightmare. I define the role formally—separating it from ML engineering—and dive deep into the three core problems we solve daily: hallucinations, real-time knowledge, and context engineering.
I also explore the explosion of agent runtimes, specifically dissecting OpenClaw (formerly Clawdbot/Moltbot) and why its open-source, device-local approach is winning. We talk about the Model Context Protocol (MCP), the new SKILL.md standard from Anthropic, and why I believe multi-agent concurrency is the inevitable future of software.
Chapters
00:00:00 Intro: The "Monday Morning" AI Nightmare
00:08:15 What is AI Engineering?
00:21:00 AI Engineers vs. ML Engineers
00:36:20 Problem 1: Hallucinations
00:48:30 Problem 2: Real-Time Knowledge
00:59:00 Problem 3: Context Engineering
01:13:00 Agents
01:17:30 MCP (Model Context Protocol) Explained
01:22:30 SKILL.md: The New Standard
01:39:00 The 2026 Trend: Multi-Agent Concurrency
01:42:30 Build Your Own OpenClaw
01:52:00 Conclusion: Moving from Talk to Action
Hosted on Acast. See acast.com/privacy for more information.
Mikhail Korolev: How to Hack the Job Market & Get Into VIP Rooms
2026/02/16
Links
- CodeCrafters: https://codecrafters.io
- Kyle Simpson (You Don't Know JS): https://www.youtube.com/watch?v=BEMG7Oxuan8
- Josh Goldberg (CFP Advice): https://www.joshuakgoldberg.com/blog/how-i-apply-to-conferences/
- JSHeroes CFP Guide: https://jsheroes.io/ (See blog section)
- CFP.watch (by Roudy): https://cfp.watch
- confs.tech (mentioned at ~00:34): https://confs.tech
- Guillermo Rauch Episode: https://open.spotify.com/episode/6NzkPBjwpwLmhIntEUB95x?si=51ac6de6d8fa4f8e
- Santosh Yadav Episode: https://open.spotify.com/episode/7HIl3zqyDd3cZDmJLzKR58
- Jeff Escalante Episode: https://www.youtube.com/watch?v=uf2E3dWfK3k
- System Design in 15 Minutes (Hello Interview): https://www.hellointerview.com/learn/system-design/in-a-hurry/introduction
- Mikhail Korolev (X/Twitter): https://x.com/mkrl__
- Mikhail on GitHub: https://github.com/mkrl
- Mikhail on LinkedIn: https://www.linkedin.com/in/mkrl/
- Mikhail on Bluesky: https://bsky.app/profile/mkrl.xyz
Summary
I sat down with Mikhail "Misha" Korolev to discuss a reality many engineers face but rarely talk about: how to get into rooms where you technically "don't belong." We explored his journey from being unemployed after Toptal to networking his way into VIP dinners and eventually landing a role at Tekmetric. We dug deep into the "Pac-Man Rule" for networking, why I believe you shouldn't pursue DevRel jobs at companies with unfinished products, and the specific "cheat codes" Misha used to bypass standard interview gates—including how he used ChatGPT to speed-run a LeetCode assessment. If you're currently navigating the job market or trying to pivot from engineering to public speaking, this conversation is a masterclass in making your own luck.
Chapters
00:00:00 Intro & Sponsors
00:02:45 The "VIP Dinner" Strategy
00:06:00 How to Enter Rooms You "Don't Belong" In
00:12:20 The Pac-Man Rule for Networking
00:15:00 Dealing with Competitive Networking (The MKBHD Effect)
00:20:00 Why You Shouldn't Idolize Tech Celebrities
00:28:00 How to Start Speaking at Conferences (CFP Hacks)
00:35:00 Live Coding vs. Pre-recorded Demos
00:43:00 The Truth About DevRel vs. Engineering
00:58:00 Misha's Accidental Path to Engineering (Quake & Turbo Pascal)
01:07:30 Job Hunting in a Brutal Market
01:13:30 Using ChatGPT to Pass LeetCode Interviews
01:20:00 Getting Referrals (The Supabase Story)
01:27:00 Closing Advice: Just Go
Hosted on Acast. See acast.com/privacy for more information.
How to communicate well: interpersonally, in teams, and on stage
2026/02/09
Links
CodeCrafters (Sponsor)Steve Jobs iPhone Introduction (2007)Steve Ballmer "Developers"Bill Clinton "I did not have sexual relations"Tejas's First Talk (JSConf EU)Tejas at React Summit (The "Sweaty Room" Talk)Amy Cuddy's Power Posing TED TalkDiazno on ConTejas"Thin Slicing" (Ambady & Rosenthal)Mehrabian's 7-38-55 Rule (Original Paper)Elaboration Likelihood Model (Petty & Cacioppo)Cognitive Load & Multimedia Learning (Mayer/Wiley)Narrative transportationExposure Therapy for Public Speaking (Frontiers)Breathing & Physiological Sigh (PMC)Deliberate practiceFeedbackSpacing + retrieval practice
Summary
In this episode, we're doing something different. Instead of analyzing code, we're analyzing the science of communication. I've spoken on hundreds of stages, from massive conferences to small, sweaty rooms, and I've learned that great speakers aren't born—they're built. We're going to dismantle the "talent" myth and replace it with a repeatable system. I'll walk you through the three levers of connection (Clarity, Trust, Energy), debunk the famous 7-38-55 rule, and give you practical frameworks like the "4 L's of Listening" and the "4 C's of Storytelling." Whether you're an engineer trying to get buy-in for a refactor or a founder pitching a VC, this is how you make your ideas inevitable.
Chapters
0:00:00 Intro
0:03:00 The Steve Jobs & Obama Standard
0:07:37 The 3 Levers: Clarity, Trust, Energy
0:10:33 Why Communication Fails (A Quick Diagnostic)
0:16:16 Debunking the 7-38-55 Rule (Mehrabian)
0:25:21 The 4 L's of Listening: Listen, Loop, Label, Lead
0:36:55 The One-Sentence Thesis
0:44:54 How to Change Minds (Elaboration Likelihood Model)
0:57:15 High Stakes vs. Low Energy: Reading the Room
1:03:00 Storytelling: The 4 C's (Context, Conflict, Choice, Change)
1:13:57 Delivery: Removing Fluff & Cognitive Load
1:21:00 Voice Control: Pace and Emphasis
1:24:40 Gestures: The "Check the Floor" Mental Model
1:30:56 Managing Nerves: Power Posing & Reappraisal
1:44:40 The 7-Day Action Plan
Hosted on Acast. See acast.com/privacy for more information.
Diazno: How to Unlock Creativity, Taste, and Effective Leadership
2026/02/02
Links
- CodeCrafters (Sponsor)
- Partner with ConTejas Code
- Diazno on Spotify
- Diazno on Instagram
- Tejas’s Keynote in Malaysia (Sick Day)
Description
In this episode of the ConTejas Code Podcast, Tejas sits down with the artist, producer, and multi-instrumentalist Diazno. Often described as the "Black Rick Rubin" for his ability to curate sound and vibe, Diazno shares his profound insights on the intersection of creativity and execution.
They dive deep into how to move from "idea" to "finished product" by overcoming the fear of commitment, the role of taste versus talent, and how true leadership is actually about influence and service. Diazno also opens up about his experiences directing major productions at venues like the Deutsche Oper, navigating cross-cultural communication, and how he views the rise of AI tools like Suno in the music industry. Whether you are a developer, a musician, or a team leader, this episode offers a masterclass in human connection and the discipline of high performance.
Chapters
00:00:00 Intro & Sponsors
00:04:05 From Ideas to Execution: Overcoming "Fear of Commitment"
00:12:12 Creativity is Life: The Cycle of Creation and Rest
00:19:15 Consumption vs. Creation: Finding the Spark
00:25:22 Taste vs. Talent: The Role of the Producer
00:30:20 How to Get Buy-In
00:37:25 Communicating a Vision
00:42:15 Communication: Not What You Say, What They Hear
00:49:18 Honoring People & Building Relational Equity
01:00:20 The Power of Informal Relationships
01:15:20 Reps & Consistency: Performing on Your Worst Days
01:22:10 AI in Music: Will It Replace the Soul?
01:38:05 Outro
Hosted on Acast. See acast.com/privacy for more information.
Isaac Akinsete: How to Optimize Health & Longevity as a Desk Worker
2026/01/26
Links
- Codecrafters (partner): https://tej.as/codecrafters
- Isaac on Instagram: https://instagram.com/isaac11890
- Contact: https://tej.as
Summary
Sitting 8+ hours a day is destroying your biomechanics. Here is how to engineer your way back to health.
In this episode of ConTejas Code, I sit down with professional footballer and CrossFit coach Isaac Akinsete to reverse the physical damage of the developer lifestyle. We dive deep into the anatomy of "tech neck," why stretching isn't enough, and how to trigger the EPOC "afterburn" effect to burn fat while sitting. Whether you have a full gym or zero equipment, Isaac outlines the exact protocols to maximize longevity, fix tight hip flexors, and optimize mental and spiritual health.
In this episode, we cover:
- The Desk Worker Protocol: A complete zero-equipment circuit routine for hypertrophy and cardio.
- Mobility vs. Stretching: Why static stretching won't fix your posture.
- RPE Explained: How to train for fat loss vs. strength without burnout.
- CrossFit vs. Gym: Which is better for the average coder?
- Mind & Spirit: The role of positive self-talk and faith in elite performance.
Chapters
00:00:00 Intro
00:04:22 Isaac Akinsete
00:09:10 Mythbusting: Does lifting weights stunt growth in kids?
00:11:52 Am I too old to start working out?
00:14:15 How to find the right workout intensity (RPE Scale)
00:20:55 What sitting for 8+ hours actually does to your body
00:26:08 Mobility vs. Stretching: Why stretching isn't enough
00:30:12 How to fix "Tech Neck" and Hunchback posture
00:42:50 Can you out-exercise a sedentary job?
00:47:11 Do under-desk treadmills and walking pads work?
00:53:36 Designing a workout routine for desk workers
00:55:36 The "Zero Equipment" Home & Hotel Workout
01:04:15 High Intensity Circuit Training & The EPOC Effect
01:11:17 Traditional Gym vs. CrossFit
01:16:05 Rapid Fire Questions
01:22:25 Faith & Fitness: Treating your body like a temple
01:29:53 The psychology of self-talk
01:34:50 Outro
oAVv7QV7tdStFFrhiZzZ
Hosted on Acast. See acast.com/privacy for more information.
Faris Aziz: How to Get Promoted, Build Resilience, and Lead with Empathy
2026/01/19
Links
- Codecrafters (sponsor): https://tej.as/codecrafters
- Become a guest on the podcast: https://forms.gle/wMqBmVhuzL46Ha3P7
- ZurichJS Discount: https://conf.zurichjs.com?utm_source=contejas&utm_medium=partner&utm_campaign=zurichjs-conf-2026
- Faris on X: https://x.com/farisaziz12
- Faris on LinkedIn: https://www.linkedin.com/in/farisaziz12/
- ZurichJS: https://zurichjs.com
- SmallPDF: https://smallpdf.com
What does it take to become an Engineering Manager at 21? How do you rebuild your identity when a chronic illness takes away your physical strength? In this episode of ConTejas Code, I sit down with Faris Aziz, a Staff Engineer at Smallpdf and the lead organizer of ZurichJS. At just 25 years old, Faris has lived a career’s worth of highs and lows. From failing his first coding bootcamp module to building a career ladder for a fintech startup, and from ranking as the 2nd fittest CrossFit athlete in Switzerland to being bedridden by an autoimmune condition, Faris shares the mindset required to navigate extreme volatility.
This conversation moves beyond technical skills into the "internal garden"—how emotional regulation, sleep, and nutrition directly impact your ability to lead others. Faris breaks down his philosophy on "Peace of Mind" as the primary metric for promotion, why invisible work builds character, and how to steward authority without intimidation. Whether you are an aspiring manager, a developer looking to level up, or someone navigating a personal setback, this episode offers a blueprint for resilience and professional excellence.
Chapters
00:00:00 Intro
00:04:33 Getting into Tech at 19
00:08:12 Failing (and Surviving) Bootcamp
00:11:00 Building a CrossFit App During Lockdown
00:13:38 Getting Hired Without Writing Code
00:18:49 Accidental Managers: Leading at 21
00:22:19 Choosing a Pre-seed Startup Over High Salary
00:28:53 Red Flags in Leadership
00:33:41 Tending the Garden: Balancing Work & ZurichJS
00:42:51 Health Crisis: From Top Athlete to Bedridden
00:48:51 Emotional Regulation & Bio-Hacking
00:59:36 Mindset: Gratitude vs. Bitterness
01:07:44 Invisible Work & Building Character
01:11:18 How to Get Promoted: Giving Peace of Mind
01:17:28 Confidence vs. Arrogance
01:21:42 Owning Mistakes Confidently
01:25:38 Stewarding Authority (The Kent C. Dodds Example)
01:28:06 Don't Just Be an Engineer: Solve Business Problems
01:35:02 Managing "Diva" 10x Engineers
01:40:12 Organizing the First ZurichJS
01:46:30 Outro
Hosted on Acast. See acast.com/privacy for more information.
Passkeys: A Deep Dive into Authentication
2026/01/12
Links
- Codecrafters (sponsor): https://tej.as/codecrafters
- Clerk: https://clerk.com
- Auth0: https://auth0.com
- Arctic (OAuth Library): https://arctic.js.org
- Lucia (Session Library): https://lucia-auth.com
Why do we still use passwords in 2026? In this episode of ConTejas Code, we tear down the complex world of digital identity. From the horror story of getting hacked at a hookah bar to the mathematical elegance of public-key cryptography, we cover how the internet knows who you actually are.
Let's break down the history of web authentication, explain why "logging in" is so much harder than it looks, and demystify the new standard taking over the web: Passkeys (WebAuthn). Whether you are a developer looking for an implementation playbook or just curious why your banking app requires a fingerprint, this deep dive explains the difference between Identity, Identifiers, and Credentials—and why you should stop rolling your own auth immediately.
Chapters
00:00:00 Welcome to ConTejas Code
00:01:06 Sponsor: CodeCrafters
00:01:42 Why Authentication Matters (High Stakes vs. Low Stakes)
00:07:30 Storytime: Getting Hacked at a Shisha Bar
00:19:48 The Vocabulary: Identity, Identifiers, and Credentials
00:27:45 The Three Factors (Something You Know, Have, Are)
00:34:28 Real World Analogies: House Keys, Speak-easies, and Hotel Cards
00:41:10 A History of Web Auth: From Basic Auth to the "Social Login" Mess
00:49:15 Authentication vs. Authorization vs. Accounting
00:57:00 The Problem with Passwords & MFA Fatigue
01:00:40 How Passkeys Work: Public Key Cryptography Explained
01:07:00 Under the Hood: WebAuthn, FIDO2, and The "Ceremonies"
01:13:40 Synced vs. Device-Bound Passkeys
01:16:30 The Playbook: How to Design Auth for SaaS, Mobile, and B2B
01:21:00 The Golden Rule: Don't Roll Your Own Crypto
01:23:00 Libraries & Tools You Should Use (Clerk, Auth0, Arctic)
01:28:40 The Minimum Viable Security Checklist
01:32:30 The Future of Passwordless Identity
Hosted on Acast. See acast.com/privacy for more information.
How to Engineer Your Way to Quality Health
2026/01/05
Links
- Codecrafters: https://tej.as/codecrafters
- Why We Sleep: https://www.amazon.de/-/en/Why-We-Sleep-Unlocking-Dreams/dp/1501144316
- Matthew Walker's Podcast: https://open.spotify.com/show/1aIVAabjRjnmiouX0zCzF3
- Sleep latency paper: https://pubmed.ncbi.nlm.nih.gov/33865376/#:~:text=Oral%20magnesium%20supplementation%20for%20insomnia,insomnia%20symptoms%20in%20older%20adults
- Glycine for sleep: https://glowable.com.au/blogs/news/glycine-the-calming-nutrient-for-soothing-anxiety?srsltid=AfmBOor_YWMUUsqdS9AJjfSJLQb1F0CSEKrbw-0AhjCVkXCcHdjPGtWq#:~:text=of%20Pharmacological%20Sciences%20found%20that,often%20closely%20linked%20to%20anxiety
- Dr. Andy Galpin's podcast: https://performpodcast.com/
- Detachment paper: https://pubmed.ncbi.nlm.nih.gov/19592515/#:~:text=Results%3A%20%20Higher%20PEAT%20scores,of%20depression%20and%20negative%20affect
- Quantified Scientist: https://www.youtube.com/c/TheQuantifiedScientist
In this episode, we learn how to engineer better health outcomes for ourselves to live fitter and healthier than ever before drawing on the latest research.
Chapters
00:00:00 Intro
00:05:24 Episode Outline
00:12:08 Sleep Architecture: Deep and REM
00:24:17 How to Sleep Well
00:34:31 My Routine with Sleep
00:39:25 Using Temperature to Sleep Well
00:41:55 Eating before Bed
00:45:14 Getting more Deep Sleep and REM Sleep
00:52:49 How to Eat Well
00:56:05 How to Lose Fat
01:02:35 How to Gain Muscle
01:07:47 Vices: Alcohol, Nicotine, etc.
01:10:28 Loneliness and Social Connection
01:18:34 How to Develop Quality Social Connections
01:25:54 Maximizing Productivity and Work/Life Balance
01:33:36 Psychological Detachment
01:36:33 Dealing with Getting Sick
01:42:08 How to Avoid Jetlag and Travel Well
01:46:14 Heart Rate Variability: Managing Stress and Recovery
01:50:53 Conclusion
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Pratim Bhosale: How to get into AI from Backend Engineering
2025/07/07
Links
- CodeCrafters (partner): https://tej.as/CodeCrafters
- Pratim on X: https://x.com/bhosalepratim
- Tejas on X: https://x.com/tejaskumar_
Summary
In this conversation, we explore the journey from backend development to becoming a Google Developer Expert in Golang. We discuss the significance of microservices architecture, the importance of search technologies, and the development of Cargo Chat, a tool for searching codebases.
Pratim shares insights on building effective search pipelines, Matryoshka embedding models, and the integration of hypothetical documents in search processes. The conversation concludes with a discussion on a mental health journaling app that connects personal reflections with religious texts for encouragement.
Chapters
00:00 Pratim Bhosale
02:19 Introduction
05:16 The Shift to Backend Development and Golang
08:16 Becoming a Google Developer Expert
11:20 Understanding Microservices Architecture
14:19 Building Innovative Tools: Cargo Chat
17:12 Search Technologies and Their Applications
20:15 The Search Pipeline and Embedding Models
29:49 Building a Vector Database
33:13 Local First Movement and Security
34:14 Understanding Hyde: Hypothetical Document Embeddings
36:48 Matryoshka Embedding Models
41:59 The Search Problem in AI
43:57 Developing a Mental Health App
48:02 Comparing Approaches to Vector Search
52:56 Developer Experience and Product Growth
01:02:52 Understanding Developer Experience Levers
01:04:32 Making API Products Click
01:07:40 The Role of Developer Advocacy
01:11:06 Navigating Career Paths in Tech
01:13:58 Finding Your Niche in Developer Relations
01:20:18 Work-Life Balance and Avoiding Burnout
01:24:01 The Importance of Mentorship
01:27:07 Emerging Technologies and Trends
Hosted on Acast. See acast.com/privacy for more information.
Shivay Lamba: How to run secure AI anywhere with WebAssembly
2025/06/23
Links
- CodeCrafters (partner): https://tej.as/codecrafters
- WebAssembly on Kubernetes: https://www.cncf.io/blog/2024/03/12/webassembly-on-kubernetes-from-containers-to-wasm-part-01/
- Shivay on X: https://x.com/howdevelop
- Tejas on X: https://x.com/tejaskumar_
Summary
In this podcast episode, Shivay Lamba and I discuss the integration of WebAssembly with AI and machine learning, exploring its implications for developers. We dive into the benefits of running machine learning models in the browser, the significance of edge computing, and the performance advantages of WebAssembly over traditional serverless architectures. The conversation also touches on emerging hardware solutions for AI inference and the importance of accessibility in software development. Shivay shares insights on how developers can leverage these technologies to build efficient and privacy-focused applications.
Chapters
00:00 Shivay Lamba
03:02 Introduction and Background
06:02 WebAssembly and AI Integration
08:47 Machine Learning on the Edge
11:43 Privacy and Data Security in AI
15:00 Quantization and Model Optimization
17:52 Tools for Running AI Models in the Browser
32:13 Understanding TensorFlow.js and Its Architecture
37:58 Custom Operations and Model Compatibility
41:56 Overcoming Limitations in JavaScript ML Workloads
46:00 Demos and Practical Applications of TensorFlow.js
54:22 Server-Side AI Inference with WebAssembly
01:02:42 Building AI Inference APIs with WebAssembly
01:04:39 WebAssembly and Machine Learning Inference
01:10:56 Summarizing the Benefits of WebAssembly for Developers
01:15:43 Learning Curve for Developers in Machine Learning
01:21:10 Hardware Considerations for WebAssembly and AI
01:27:35 Comparing Inference Speeds of AI Models
Hosted on Acast. See acast.com/privacy for more information.
DevRel deep dive: what it is, how to do it, how to measure it
2025/06/09
Links
- Codecrafters (Partner): https://tej.as/codecrafters
- Tejas on X: https://x.com/tejaskumar_
- Mary Thengvall, The Business Value of Developer Relations: https://develocity.io/measuring-devrel-success-effective-metrics-for-impact/#:~:text=In%20a%20talk%20given%20at,5
- Matthew Revell, “What is Developer Relations?”: https://developerrelations.com/guides/what-is-developer-relations/#:~:text=Most%20companies%20invest%20in%20DevRel,because%20they%20want%20to%20affect
- Quinton Wall, Does Developer Relations Belong Under Marketing or Engineering?: https://www.linkedin.com/pulse/does-developer-relations-belong-under-marketing-engineering-wall-z9gic#:~:text=For%20early%20stage%20companies%2C%20Developer,the%20detriment%20of%20developer%20experience
- Mike Stowe, A Brief History Of Developer Relations Programs: https://influitive.com/blog/brief-history-developer-relations-programs-developer-communities/#:~:text=When%20I%20joined%20Constant%20Contact,across%20one%20of%20these%20companies
- R. Scott, Developer Relations: A Growth Engine from Day One: https://www.delltechnologiescapital.com/resources/devrel-day-one#:~:text=%E2%80%8DDeveloper%20Relations%20is%20at%20its,%E2%80%9D
- Matt Bernier, The intersection of DevRel and Product Management: https://developerrelations.com/talks/intersection-dev-rel-product-management/#:~:text=The%20Barbican%2C%20London%2C%20UK
- Develocity.io, Measuring DevRel Success: Effective Metrics for Impact: https://develocity.io/measuring-devrel-success-effective-metrics-for-impact/#:~:text=impact%20on%20user%20engagement%20and,2
- Jake Prins, 10 Ways to Build a Developer Community: https://www.apideck.com/blog/ten-ways-to-build-a-developer-community#:~:text=in,seminar%2C%20or%20webinar
- Francine Hardaway, DevRel: Marketing, Product Management, or Neither?: https://medium.com/influence-marketing-council/devrel-marketing-product-management-or-neither-77d6c4666f7f#:~:text=Most%20developer%20relations%20programs%20wrestle,sourced%20by%20DevRel%20are%20invaluable
Chapters
00:00:00 Introduction
00:02:28 The Core Thesis of DevRel
00:12:41 History of DevRel: From Apple in the 80s to Today
00:19:08 The Value of DevRel & Success Stories (Stripe, MongoDB)
00:25:08 The Critical Role of the Feedback Loop
00:27:03 The Danger of Ignoring DevRel Feedback
00:34:33 Where DevRel Sits: Marketing vs. Product & Engineering
00:37:22 The Gold Standard: A Product Engineer with a Megaphone
00:49:37 Measuring DevRel Success: Beyond Vanity Metrics
00:52:00 Key Metrics: Community, Satisfaction, & Monthly Active Developers (MAD)
01:01:31 Practical DevRel: How to Build Community
01:03:37 Practical DevRel: Content Strategy & "Carving the Turkey"
01:06:50 Practical DevRel: Improving the Onboarding Experience
01:11:00 Practical DevRel: Events, Public Speaking & Internal Advocacy
01:17:20 Start of Q&A with Africa's DevRel Community
01:18:02 Defining AI Engineering vs. Machine Learning
01:20:01 Defining DevRel: It's High-Quality Customer Relations
01:26:32 Q&A: Is Developer Experience (DX) the same as User Experience (UX)?
01:29:14 Q&A: How AI is Changing UX/DX with Model Context Protocol (MCP)
01:35:32 Q&A: Biggest Opportunities for DevRel in AI
01:38:25 Q&A: Necessary Skills for AI DevRel (Communication is #1)
01:44:22 Q&A: Where to Find Developers for New Niche Tools
01:48:08 Q&A: What's Most Exciting in Tech Right Now?
01:53:22 Q&A: Advice for New Developers in the AI Era (Build and Ship!)
01:58:00 Q&A: How to Balance Technical Work with Community Management
02:00:57 Q&A: How to Form Meaningful Professional Relationships
02:05:56 Conclusion
Hosted on Acast. See acast.com/privacy for more information.
Dev Agrawal: How to be notable, event sourcing, and SolidJS
2025/06/02
Links
- CodeCrafters (partner): https://tej.as/codecrafters
- Dev on X: https://x.com/devagrawal09
- Xolvio: https://xolv.io/
- Tejas on X: https://x.com/tejaskumar_
Previous Episodes
- Taylor Desseyn
- YouTube: https://www.youtube.com/watch?v=6l6GpkHNlZw
- Spotify: https://open.spotify.com/episode/1xN7YeNpkCf4qJ3kUkVVuh
- Apple: https://podcasts.apple.com/nz/podcast/taylor-desseyn-how-to-build-a-genuine-high-quality-network/id1731855333?i=1000684664112
- Event Sourcing
- YouTube: https://www.youtube.com/watch?v=VtmPTigdpos
- Spotify: https://open.spotify.com/episode/32dmiUBZclkXNWT1YcUJHr
- Apple: https://podcasts.apple.com/us/podcast/event-sourced-architecture-a-deep-dive/id1731855333?i=1000696976876
Summary
We discuss the journey of becoming a notable developer, the importance of intentional networking, and the role of content creation in building a professional presence. Dev shares insights from his experiences in DevRel, the challenges of the industry, and the significance of event sourcing in modern applications.
We then discuss the intricacies of event sourcing, exploring its implications for software architecture, performance, and testing. The discussion highlights the importance of projections, caching, and the separation of command and query responsibilities (CQRS) in building efficient applications. Real-world applications, such as Git and Redux, are examined as examples of event sourcing in practice.
Finally, we explore Solid.js and its comparison with React, focusing on fine-grained reactivity, the challenges of adopting new frameworks, and the evolution of web development practices. They explore the unique features of Solid.js, including its compiler and async signals, while discussing the broader implications for developers transitioning between frameworks. The conversation also touches on the importance of full stack development and the mindset required to excel in the field.
Chapters
00:00:00 Dev Agrawal
00:04:16 Becoming Notable in Tech
00:14:24 Intentional Networking and Building a Presence
00:24:27 The Role of Content Creation
00:34:29 DevRel Insights and Career Transitions
00:44:05 Understanding Event Sourcing
00:43:37 Caching and Performance in Event Sourcing
00:48:42 Real-World Applications of Event Sourcing
00:51:31 Command Query Responsibility Segregation (CQRS) Explained
00:54:24 Event Sourcing in UI State Management
00:57:25 Overcoming Resistance to Event Sourcing
01:00:22 The Challenges of Transitioning to Event Sourcing
01:04:34 Storing Events and Schema Management
01:07:16 Testing with Event Sourcing
01:08:51 Introduction to Solid.js and Its Advantages
01:13:12 Understanding Fine-Grained Reactivity
01:15:06 Challenges in Replacing React
01:16:30 The Unique Model of Solid.js
01:18:22 The Catch-22 of Learning React
01:19:52 Comparing Fine-Grained Reactivity in Solid and React
01:23:50 The Role of Solid's Compiler
01:25:57 Exploring Solid.js 2.0 and Async Signals
01:28:55 Server-Side Rendering and Async Signals
01:35:08 Partial Pre-Rendering and Edge Workers
01:37:41 Becoming a Full Stack Developer
Hosted on Acast. See acast.com/privacy for more information.
Lu Wilson: How to Build an AI-Native Whiteboard for Everyone
2025/05/26
Links
- CodeCrafters (partner): https://tej.as/codecrafters
- Lu on X: https://x.com/todepond
- Lu on Bluesky: https://bsky.app/profile/todepond.com
- Lu on YouTube: https://www.youtube.com/@todepond
- tldraw: https://tldraw.com/
- Make Real: https://makereal.tldraw.com/
- tldraw computer: https://computer.tldraw.com/
- Tejas on X: https://x.com/tejaskumar_
Summary
We talk with Lu Wilson, an engineer at tldraw: a startup focused on innovative whiteboard technology. Together, we discuss the evolution of tldraw, the impact of AI on creative workflows, and the importance of experimentation in tech development. Lu shares insights on their very interesting experiments like Make Real and the new tldraw Computer, emphasizing the need for user-friendly AI tools that empower everyone, not just programmers. The discussion also touches on building a culture of experimentation within teams and the future of AI in design and development.
Chapters
00:00 Lu Wilson
04:12 Introduction to TL Draw and Lou Wilson's Work
07:12 Exploring Make Real: AI and Canvas Integration
10:07 The Evolution of TL Draw Computer
12:56 User Experiences and Creative Applications
15:57 Future Directions and Innovations in TL Draw
19:06 AI Workflows: Democratizing Technology for Everyone
35:16 The Evolution of Teal Draw's Features
38:05 Challenges in Implementing Autocomplete
41:23 Building a Future-Proof AI Module
43:01 Understanding LLMs and Canvas Interaction
45:52 Evaluating AI Performance on Canvas
48:25 AI as a Collaborative Partner
53:01 Fostering a Culture of Experimentation
54:11 Balancing Innovation and Business Goals
Hosted on Acast. See acast.com/privacy for more information.
Podcast reviews
Read ConTejas Code podcast reviews
FrunzelJacky 2026/04/03
How do computers work…
…I was listening to that show and was much appreciated. Well explained in different areas. I liked your style and structure of the show even if I pers...
Hanzxhanz 2025/04/28
Weekly listen
This has been come part of my weekly routine! Thank you for all you do!
WillKlein_ 2024/12/15
Highest Tier of Technical Content
Tejas brings on the most interesting and thoughtful guests. Paired with his own insight, this podcast offers both exceptional variety and depth.
Thewhirlingdervish 2024/07/01
Leveled Up podcast
Tejas is one of the most well spoken people I’ve had the privilege of listening to. The conversations he has really brings such a rich insight to the ...
rochekollie 2024/02/26
Insightful Guidance in the World of Tech by Tejas Kumar!
Tejas Kumar has a wealth of knowledge and experience as he crafts each episode into a masterclass, offering invaluable guidance for both novices and s...
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