Senior Fullstack Engineer passionate about TypeScript/JavaScript ecosystems. Sharing pragmatic tech tips & exploring AI-powered development workflows. Let's build better software together! 🚀https://bsky.app/profile/uramanovich.bsky.socialhttps://bsky.app/profile/uramanovich.bsky.social/post/3lr5wt7vnek2tDo you know the newsletter with weekly sharing what happened in the AI or Web development? I’m trying to find newsletter with analysis what happened for the last week, instead of raw links #frontend #ai #wevdevelopment #react #nodejs09 Jun 2025 08:16 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lr5wt7vnek2thttps://bsky.app/profile/uramanovich.bsky.social/post/3lnphzs25rs22Tired of slow Jest tests? I cut my test suite time by 67% with these two simple tricks: 1. Add `maxWorkers=50%` to utilize available CPU 2. Implement `shard` to split and run tests in parallel across multiple jobs The big challenge? Collecting coverage data from separate jobs. Solution below26 Apr 2025 09:58 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lnphzs25rs22https://bsky.app/profile/uramanovich.bsky.social/post/3lnmvha7w322kSenior devs spend 20% of time on code reviews. If you don't, either you're not senior or your team culture needs rework. Good code reviews: - Catch bugs before they cause outages - Share knowledge across the team - Build better architecture through diverse perspectives25 Apr 2025 09:21 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lnmvha7w322khttps://bsky.app/profile/uramanovich.bsky.social/post/3lij5mhcdrk23What is your next action when you have an incident and the last PR in the list this one?19 Feb 2025 06:30 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lij5mhcdrk23https://bsky.app/profile/uramanovich.bsky.social/post/3li5gnb7h4x2tConfusing by word 'token' when working with AI? Me too 🤔 I spent time understanding how it's calculated, here's simple math: - Token ≠ word - 1 word ≈ 1.3token - 1 tweet ≈ 35 tokens - Emojis cost extra tokens shorter words = fewer tokens = lower costs14 Feb 2025 14:40 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3li5gnb7h4x2thttps://bsky.app/profile/uramanovich.bsky.social/post/3lhylsa3vpo2gSkipping tests to save time? Think twice. While writing tests feels chore, the real cost hits during refactoring. Use AI for basic tests, but guide it - create mocks & define key scenarios. Keep logic simple, and review all the code produced by AI. Future you will thank you12 Feb 2025 16:29 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lhylsa3vpo2ghttps://bsky.app/profile/uramanovich.bsky.social/post/3lhv4n3c5lk2vYou're missing one primary concept when coding with AI. AI doesn't own the code, the person who approved this code is the owner of the code. AI is a tool - your expertise in reviewing, validating & owning the implementation is what matters11 Feb 2025 07:19 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lhv4n3c5lk2vhttps://bsky.app/profile/uramanovich.bsky.social/post/3lhtgtodzlf2x1/5 How to manage database access in monorepo with NestJS? I faced this problem a few times: • Duplicated database logic • Multiple connection configurations • Inconsistent testing patterns • No clear structure Let me explain how I fixed this with the Data-Access Pattern 🧵 #NestJS #nodejs #webdevb10 Feb 2025 15:17 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lhtgtodzlf2xhttps://bsky.app/profile/uramanovich.bsky.social/post/3lhqru4oe5k2p🐳 Next.js Docker build tips: 1. Split into build/run stages - speeds up builds & enables layer caching 2. Use non-root user for runtime - prevents root access if app is compromised #Docker #Nextjs #Webdev09 Feb 2025 13:56 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lhqru4oe5k2phttps://bsky.app/profile/uramanovich.bsky.social/post/3lh2gelja6b244 ways to adapt AI for business needs: 1. Pre-training: Needs massive data, expensive 2. Prompting: Cost-effective, learn it first! 3. Fine-tuning: 1000+ examples for good results 4. RAG: Use your docs as context Start simple, scale as needed #AI #LLM31 Jan 2025 16:32 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lh2gelja6b24https://bsky.app/profile/uramanovich.bsky.social/post/3lgvf3z7bzx2gThis is env management I bring for each project. Don't rely on process.env directly - use Zod validation instead. Type-safe + clear errors = no more missing configs #TypeScript #WebDev #nodejs29 Jan 2025 16:26 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lgvf3z7bzx2ghttps://bsky.app/profile/uramanovich.bsky.social/post/3lgqh6owehg22Will AI replace your job? 🤔 AI isn't replacing jobs directly - it's automating tasks. Think of it as a tool that helps process work faster, not a robot employee. Humans still handle complex cases, AI handles repetitive ones. 🤖27 Jan 2025 17:20 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lgqh6owehg22https://bsky.app/profile/uramanovich.bsky.social/post/3lgiwj75md42pThe 70/30 rule of AI coding: While AI can scaffold 70% of your code, the crucial 30% requires deep engineering expertise. Best practice: Use AI as a drafting tool, maintain atomic conversations, and own your code through meaningful review. #AI #SoftwareDevelopment24 Jan 2025 17:33 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lgiwj75md42phttps://bsky.app/profile/uramanovich.bsky.social/post/3lgdo7by4yt22🎨 Building new website? Here's a harsh truth: Most projects fail not because of dev speed, but waiting for "perfect design" Quick win: - Ship minimal design in 2 weeks - Test with real users - Iterate based on feedback Stop guessing what users want. #buildinpublic22 Jan 2025 15:21 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lgdo7by4yt22https://bsky.app/profile/uramanovich.bsky.social/post/3lgbjy5ud5k2yPost-interview clarity hit me hard today 💡 Spent 2 weeks learning algorithms, only to get asked about building an actual product feature. Classic over-preparation for the wrong battle. Lesson: Always check type of interview you're participating. The interview format tells you what you need to know21 Jan 2025 19:00 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lgbjy5ud5k2yhttps://bsky.app/profile/uramanovich.bsky.social/post/3lg74cvhp7k2lMultiple tabs sending same requests? Been there 🔧 Solution: Leader Election pattern! - Tabs form a team - Pick ONE leader tab - Only leader makes API calls - If leader closes, new one steps up Used broadcast-channel lib. Now instead of 5 requests → just 1 #frontend #javascript 20 Jan 2025 19:50 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lg74cvhp7k2lhttps://bsky.app/profile/uramanovich.bsky.social/post/3lg6pig5cw32pMultiple tabs sending same requests? Been there 🔧 Solution: Leader Election pattern! - Tabs form a team - Pick ONE leader tab - Only leader makes API calls - If leader closes, new one steps up Used broadcast-channel lib. Now instead of 5 requests → just 1 #frontend #javascript 20 Jan 2025 16:00 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lg6pig5cw32phttps://bsky.app/profile/uramanovich.bsky.social/post/3lfzwhpa6t22eReact's Virtual DOM Explained: Instead of updating the webpage directly, React uses a lightweight copy (Virtual DOM). Changes? React: 1. Updates copy 2. Compares versions 3. Updates only what's needed That's why React is fast ⚡️ #ReactJS #frontend18 Jan 2025 18:22 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lfzwhpa6t22ehttps://bsky.app/profile/uramanovich.bsky.social/post/3lf6azvd2hc2tDiscovered today Docker Compose profiles and was surprised. Instead of juggling multiple docker-compose files for prod/dev/test, just add "profiles: [dev]" to your services and run: docker compose --profile dev up Perfect for managing different environments in a single file! #docker07 Jan 2025 18:16 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lf6azvd2hc2thttps://bsky.app/profile/uramanovich.bsky.social/post/3lf55tygoes2uTired of TypeScript being "stupid" with filter()? When you filter out undefined, does TS still think they might be there? 🪄 Magic solution: Add "is" type check! #typescript #webdev07 Jan 2025 07:47 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lf55tygoes2uhttps://bsky.app/profile/uramanovich.bsky.social/post/3leosbbbmis2sI prefer Claude over ChatGPT for both its superior code assistance and projects feature (Claude Pro). With projects, you can create custom prompts with specific output requirements - perfect for recurring tasks like architecture planning or article title generation01 Jan 2025 14:42 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3leosbbbmis2shttps://bsky.app/profile/uramanovich.bsky.social/post/3lejoiiyqss2cWhy didn't I know about this must-read React document for so long? Just found the Rules of React. You should follow them to simplify updates for the newest version of React and support the React compiler in future releases. https://react.dev/reference/rules30 Dec 2024 13:51 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lejoiiyqss2chttps://bsky.app/profile/uramanovich.bsky.social/post/3ldniawjuus2s🤖 AI & Engineering Growth AI speed up Senior Engineers but can hurt Juniors. And when non-engineers use AI for coding? Recipe for disaster. Pro tip: Before hitting Senior level, use AI to learn, not just copy/paste. Understanding > shortcuts.19 Dec 2024 08:45 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3ldniawjuus2shttps://bsky.app/profile/uramanovich.bsky.social/post/3ldnfghb72s2y🔄 Solved my NestJS DB headaches by creating a Data Access module - a dedicated layer that handles all database operations, migrations, and models. It manages both Postgres & MongoDB, centralizes connections, and makes testing easy. Writing an article to share my complete setup! 📝19 Dec 2024 07:54 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3ldnfghb72s2yhttps://bsky.app/profile/uramanovich.bsky.social/post/3ldjobdei2s2uUsing AI for coding? Great tool if you know what you're doing! But here's the catch: always write tests. AI can miss edge cases you won't spot when code gets complex. E2E testing is ideal, but even unit tests will save you from countless bugs. Test everything you generate 🤖✅17 Dec 2024 20:22 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3ldjobdei2s2uhttps://bsky.app/profile/uramanovich.bsky.social/post/3lcuaqg5kgs2v🔍 NextJS SEO Pro Tip: Use next-sitemap to generate sitemaps automatically! Sitemaps help crawler bots navigate your site efficiently, especially crucial for dynamic content. They show content update timestamps, helping faster reindexing. Perfect for sites with multiple pages #buildinpublic #webdev09 Dec 2024 07:54 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lcuaqg5kgs2vhttps://bsky.app/profile/uramanovich.bsky.social/post/3lcs3ghajqs2xWhich tools do you use for video editing for a platforms like BlueSky? I want to create short video with presenting my code. I use only QuickTime Player now #buildinpublic08 Dec 2024 11:14 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lcs3ghajqs2xhttps://bsky.app/profile/uramanovich.bsky.social/post/3lcs2w4tigs2xBuilding mobile app? Pro tip: Add a hidden dev mode for App Store reviews and testing Implement a secret tap combo in a corner, show a dev mode indicator, and add debug controls. Makes testing simple for reviewers, plus helps verify features work 🔍 Here is how I did this 🧵 #buildinpublic #swiftui08 Dec 2024 11:05 +0000at://did:plc:thfgm2cka3ad42dmgkv3k5id/app.bsky.feed.post/3lcs2w4tigs2x