Sharing experience, insights, and practical solutions from real projects. Architecture, performance, processes, and teams.
Checklist for investors and buyers: what to verify in code, how to recognize red flags, and evaluate technical debt. Practical guide from a Senior/CTO with 10+ project audit experience.
An overview of key changes in Tailwind CSS 4: new Rust-powered engine, native CSS variables, simplified configuration, and significant performance improvements.
When synchronous calls strangle your system, how to implement events painlessly, Kafka vs RabbitMQ in practice, and why eventual consistency is a conscious choice. Typical production cases with metrics and a breakdown of all EDA pitfalls.
Deep dive into ty — the new type checker from creators of uv and Ruff. Intersection types, intelligent narrowing, 10-100x faster than mypy. Revolution or just hype?
Code Review in 80% of teams is theater. 'LGTM' in 30 seconds, a checkbox before merge, wasted time. I've watched for 12 years how reviews kill productivity instead of boosting it. Here's a system that transforms CR from bureaucracy into your team's primary growth tool.
Deep dive into practical PostgreSQL patterns: JSONB, partial indexes, generated columns, row-level security, advisory locks, materialized views, and partitioning. Real production cases, pitfalls, and solutions.
An honest breakdown of migrating from Docker Compose to Kubernetes: real reasons to switch, Helm charts in practice, local development with kind/minikube, and alternatives like Nomad and Fly.io. No hype, just experience.
For the first month, I ran 1-on-1s like status meetings and lost a valuable developer. His exit interview phrase 'There was nothing to talk to you about' changed my approach. Here's my systematized 2-year experience on turning formality into the #1 tool for team growth and retention.
Honest comparison of three real-time communication approaches: WebSocket, Server-Sent Events, and Long Polling. When to use each, production pitfalls, and production-ready FastAPI examples.
My first week as Tech Lead, I spent in calendar invites. 23 meetings, 4 hours of coding. By Friday I realized: I'm no longer the fastest developer on the team. I'm the one explaining why we write this particular code. And that's a completely different job.
Last year I refused to hire a junior for a 6-month project. Client was upset: 'Why not? Saving money?' I showed the math: junior breaks even at month 5, project ends at month 6 — negative ROI. Here's the complete financial analysis.
Honest comparison of FastAPI and Django 5 after 8 months of migrations both ways. Real stories, Django async pitfalls, cases of saving $50k/year and returning to Django in a week. No marketing—only practice.
You've learned to package apps in containers, now it's time to learn how to distribute load between them. A practical guide to load balancers without magic or complexity.
Tried a dozen wiki engines from Obsidian to GitBook, ended up with Confluence. Sharing my migration experience, comparisons with JetBrains Space and Notion, and most importantly—when Confluence is truly needed vs when it's wasted money.
Deep dive into C4 model — a framework for architecture visualization that actually works. From context to code, with real examples, diagrams, and mistakes I made. How to document architecture so people read and understand it.
Complete guide to using pandas in backend development: log analysis, Excel/ERP integration, ETL pipelines, data validation, and report generation. Practical use cases with code and real-world stories.
Comprehensive guide on vector and graph databases for developers: from embeddings to production-ready RAG with antipatterns, architectural solutions, case studies, and Python examples.
Honest breakdown of migrating to Pydantic v2: 6 weeks of spare time, 3 production issues, -75% latency, and a bunch of gotchas discovered. No marketing, just practice.
An expert Cassandra deep dive for Python/backend engineers: from the masterless architecture to a production-ready cluster with monitoring.
Expert guide to Apache Kafka for Python developers: from concepts to production-ready FastAPI integration. Practical examples, pitfalls, and testing.
Complete guide to testing business hypotheses in practice: how to gather feedback when you have no customers, why interviews lie, and how to properly launch an MVP using a mobile app example.
Step-by-step guide to implementing Husky and automating code quality through git hooks. Complete configs for JavaScript/TypeScript and Python projects.
Step-by-step guide to creating a REST API for motivational quotes using FastAPI, SQLAlchemy, and Pydantic. From basic structure to production-ready solution with validation, migrations, and documentation.
Complete guide to Python generators: from basic concepts to advanced patterns. Understanding yield mechanics, iterator protocol, coroutines, and practical interview cases.
Deep dive into deferred annotations (PEP 649), template strings (PEP 750), and JIT compiler for architects and tech leads.
Proven methodology for building a personal brand: from your first post to a steady flow of inbound requests. No fluff, no abstractions.
You're selling a promise of a product that doesn't exist. It works, but carries legal, ethical, and methodological risks. Analysis of the method for those who will try it anyway.
Packed 20 years of experience into a practical testing course. 11 lessons without fluff, real bugs, ready-to-use templates, and measurable results — all free.
Yesterday at an HR conference, I heard again: 'Young people don't want to work, everyone leaves after a month'. Here's a 2013 case study of how we reduced early attrition from 42% to 14%. Spoiler: it's not about 'young people', it's about the system.
Spent two days preparing educational materials and realized: nobody will pay for this. So I'm paying with my time. If you're paying — calculate ROI. There's none in a quarter horizon, but this is how you capture territory.
Methodology and algorithm: how to calculate costs under load, choose tools, and turn results into decisions.
Building the core team for a new educational project — a closed club for developers and tech leads. First month is free. Inviting those ready to grow together.
I mastered Wagtail CMS — great architecture, convenient admin, Django under the hood. The problem is different: corporate websites are dead. The lower segment went to Tilda, the upper — to specialized tools. And developers are left with questions: what to offer clients now?
RSS seemed like a dying technology, but the emergence of RSS-to-Telegram bridges opened new opportunities for business. We analyze how to use the RSS + Telegram combo for content marketing, analytics, and automation.
When you know why you're alive, the technical part gets solved. That's why I ditched long-term job interviews and went to make money as an entrepreneur. My goal is a new level of vitality and impact on the world.
When MDX files in your repo work better than Contentful or Strapi. Exploring type-safe content, custom components, and content layer architecture — without unnecessary abstractions and monthly bills.
Interview in a few hours. They'll ask about binary trees I've never used. But in my head — a different optimization problem: how to fit work, Godot startups, health, and people into 24 hours. The math doesn't add up.
Complete guide to setting up automated Next.js deployment to your own server via GitLab CI/CD. PM2 for zero-downtime, Nginx Proxy Manager for domain management, secrets management, and multi-environment setup.
How the advice 'why drink when you can smoke' turned into a detention cell, two years with a narcologist, and the understanding that problems need to be solved, not suppressed. No morals—just facts and consequences.
An imaginary conversation with my psychological archetype about how strength of spirit and positivity are not innate qualities but muscles that need training. Even when nerves are frayed and the wallet is empty.
A story from 2015 when two certification companies—Russian Register and ProffExpert—approached me simultaneously. A lesson about why working with clients who pinch pennies is a bad idea.
An honest story about developer self-deception: 32,600 lines of code, 196 tests, 11 completed MVP stages, CI/CD, monitoring — and zero real users. Turns out, I was writing code not for business, but for self-validation.
Three months of remote work in Crimea: how I balanced projects with exploration, what I managed to see — from the submarine museum to paragliding, and why GitHub became an unexpected problem.
How a simple translation turned into rethinking navigation. Why “I Make Projects The Right Way” doesn’t work in English, and how I arrived at “Me → Craft → Work → Way → Right.”
Reflections on the nature of software architecture, the cemetery of projects, and the cost of transitions. Written in 2017 — still relevant.
What happens when you try to assemble a portfolio after 20 years? Whole projects, periods, achievements vanish from memory. 20+ cases in 2 days — and half felt new to me. Honest notes on amnesia, mental health, and accepting my path.
An honest post about leaving a stable career for a childhood dream. Why after 20 years in web dev I’m moving to Godot and mobile games, past attempts, and why now is the time.
Own data center cheaper than cloud: with Proxmox VE and an old server I run 15+ VMs for development, save ~$500/month, and have full control over the stack.
Building a safe password generator and lightweight vault with client‑side encryption, offline mode, and Supabase sync. Architecture choices, PWA, i18n, and Telegram integration notes.
Real‑world experience migrating production Supabase to my own server: why I did it, what went wrong, what I saved, and a pragmatic checklist.
When it's really time to split, Strangler Fig in practice, distributed tracing from day one, and what to do with shared code. Real-world migration case with metrics and honest talk about pitfalls.
How to transform mentorship from individual heroics into a predictable system with metrics, boundaries, and sustainable results. A practical guide to building a scalable mentorship program.
Practical techniques for developing soft skills for developers. From uncertain junior to confident communicator: proven strategies that actually work.
Production crashed Friday night. Team fixed it by 3 AM. Monday meeting: CTO yells 'Who screwed up?!' Developers stay silent. Incident will repeat. I've seen this 40 times. Postmortem isn't an interrogation. It's a system that turns mistakes into growth. Breaking down blame-free culture, report structure, and what to do with results.
The story of how 47 lines of Nginx Ingress YAML magic turned into 15 lines of clear configuration. Envoy Gateway isn't just a new tool—it's freedom from pain.
Technical debt isn't 'bad code.' It's a financial instrument of development. We break down metrics to measure debt, a framework for making refactoring decisions, and real cases where NOT refactoring was the right choice.
How to set up production-grade monitoring in one evening without a DevOps team. Metrics, logs, alerts, and dashboards for projects on a single server or small cluster.
My top favorite in frontend architecture. Explaining how FSD layers — from shared to pages — transform a mess into a structured system that scales painlessly. Speaking from experience after implementing it in a dozen projects.