I Can Defend Every Design Decision. I Cannot Defend the Code.
Week four of i.c.stars produced four documents. A defect log. A peer review of somebody else's defect log. Three runbooks. A run of show. None of th…
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Weekly Dev Log 2026-W19
🗓️ This Week After all the hot weather we had up until last week, the days have suddenly turned much cooler. It finally feels like autumn is here🍂.…
Build the Sync Spine Before You Build a Single Screen
The first time a client asked me for "offline mode", it arrived three weeks before launch, in the same tone as "can we also have a dark theme". I sa…
The Reminder Queue Refills Only When You Open the App
The bug report was one line from someone testing Lifemaxxing AI : "why did it tell me I got nothing done today, I did everything." He was right, and…
After the Sprint: A 72-Hour Build Retrospective - Spoiler: It Wasn't Secure
I built Charitas Clew for a 72-hour DEV Weekend Challenge. It worked. I submitted it. And then I did something slightly inconvenient: I kept poking…
Weekly Dev Log 2026-W18
🗓️ This Week We’ve still had plenty of hot days lately, but there have also been some cooler days when it rains. It’s starting to feel like summer i…
I measured what my 11 Actors cost to run. The 96x spread was mostly one config field.
I wrote this article twice. The first version was finished, proofread, and queued to publish. Then someone asked a question about one number in it,…
Four Ways a Batch Runner Can Believe It Already Finished
On 16 March 2026 the batch runner for our content pipeline landed in a single commit. That commit already contained a resume flag, a state log with…
My Journey from Full-Stack Engineering to AI-First FDE
My Journey from Full-Stack Engineering to AI-First FDE Hi everyone! 👋 I’m Prakash Tank, a Full-Stack Architect and AI Tech Lead with 10+ years of ex…
Your RAG Demo Works Because Someone Picked the Documents
A RAG prototype takes an afternoon. Chunk some documents, embed them, stuff the top matches into a prompt, ship a chat box. It works. You demo it, e…
Smashing the MCP + Skill Tradeoff: More Guidance, Better Agents?
This is a submission for DEV's Summer Bug Smash: Clear the Lineup powered by Sentry . Project Overview I've been working on a Tokyo public transit M…
My AI Content Journey
I apologize ahead of time, what follows has no tooling applied to it. No grammar checks, no AI, and no edit passes for flow. It might be a bit rough…
Nobody Hands You Day One: Stepping In as CTO on a Live Product Across Three Runtimes
Most engineering stories start at day one with a clean repo. This one did not, and I think the messy version is the more useful one to read. I stepp…
🗓️ Monthly Dev Report: July 2026
Hey everyone! I bring you my development journey on what I have discovered, accomplishments for this month, and the goals for next month! Additional…
The New Developer Portfolio Is Not a Screenshot. It Is the Work Trace.
AI makes it dangerously easy to look productive. A screenshot can look impressive. A demo can look polished. A generated article can read smoothly.…
I Built CodeComplex: A Real-Time Competitive Coding Platform with AI Rivals and Bug-Fix Arenas
Over the past few months, I've been working on a project called CodeComplex (live at codecomplex.site ). It started with a simple observation: while…
How I use Claude Code and Comet to build and test AI voice agents in a day
Most people think building an AI voice agent means writing a clever prompt. I build these for a living, and I can tell you the prompt is maybe an ho…
My First Post
Big Howdy, I’m starting a blog. That sentence feels weirdly dramatic for what this is to me. The plan is to write about engineering, personal projec…
The Scorer Was Silently Dropping Half Its Shot Scores
What we shipped on 2026-07-09 Two alerts fired on the same post -- hero_render_fallback on shots 4 and 8, vision_scorer_unavailable on 5 of 12 shots…
I Rolled Back My MCP Skills Experiment. Here's What I Learned
TL;DR I introduced a SKILL layer while improving fare extraction in a MCP-based transit agent. After that, the agent stopped reliably using the MCP…
Build Log — Week of 21 June 2026
Build Log — Week of 21 June 2026 Another solid week in the Bizbox engine room. Two meaningful features landed for the Workflows surface, a new relea…
Part 1
When I started this project around 3 weeks ago, I never thought this one project would compel me to face so many challenges. It started with a simpl…
Hi, I'm Jens
Hi, I'm Jens I'm a cross-platform mobile engineer and Tech Lead at November Five. Day to day that means leading a team of four to six engineers and…
My test had a comment that said 'in memory fallback'. It wasn't.
The test test_warmup_eval_no_flag_subprocess_exits_0 was running the real warmup eval command, no , dry run , against the live production state file…
Debugging Has a Methodology. Most Engineers Never Learn It.
Introduction David J. Agans starts every chapter in his book “Debugging: The 9 Indispensable Rules for Finding Even the Most Elusive Hardware and So…
Publishing Chattr to Three App Stores: What They Don't Tell You
Chattr is a social platform built for the Twitch community. It's a React Native app with a Laravel backend, and over the past few months, I've publi…
Yeueuei
Good progress — down to 4 failures from the original pile. Let me trace each one precisely. Failure 1 & 2 — RSAAdapterResponseTest empty XML tes…
A green test suite proves less than you think
A green test suite proves less than you think The test that scared me was the one that passed. I had an integration test for a routing agent, the ki…
Beyond the Happy Path: Lessons in Resilience and Distributed State
Reflecting on two major technical challenges from my backend engineering internship, focusing on fault tolerance, infrastructure, and distributed ar…
Weekly Dev Log 2026-W09
🗓️ This Week Completed the SwiftUI app development tutorial and tested the app I built on a real iPhone🦾 Learned the overall flow of building an iOS…