Blog Articles

How I built Helix, a production-inspired helpdesk with Next.js 16, PostgreSQL, and Prisma — covering JWT/RBAC, soft deletes, closed-ticket UX, flash toasts, Docker Compose, Prisma migrations, Sentry, and a layered Vitest/Playwright test suite.

How I built Motorlane, a virtual car showroom with Next.js 15 and DummyJSON — covering SSR catalog fetching, client-side search and filters, vehicle detail pages, merged API reviews plus local comments, and the engineering decisions behind a backend-free catalog experience.

How I built a production-minded VIN Decoder with Next.js 15, Zod, and the NHTSA VPIC API — covering validation, decode pipelines, filtered results, local history, variable browsing, and the engineering decisions behind a reliable utility app.

How I built a production-minded S3 image gallery with Next.js 16 — password-gated uploads, HMAC sessions and lockouts, direct browser-to-S3 presigned PUTs, a magic-byte fallback path, cursor pagination, signed/CDN downloads, and authenticated deletes.

For a technical assessment, I built a Counter-Strike 2 demo analyzer in TypeScript using @laihoe/demoparser2. The tool parses CS2 demo files, analyzes player deaths, calculates a surprise score based on player orientation and mouse movement, and generates ranked results for further AI analysis.

Motherland CRM Solutions is a multi-tenant SaaS CRM for sales teams leaving Excel: chunked CSV/Excel import with a leased resume-safe worker, ADMIN / SUBADMIN / AGENT roles, Ably realtime, board charts, dialer call logs, and host branding. Latest measured suite: 237 Vitest passing, Playwright lifecycle/smoke, Mongo load through 100k, midflight kill→resume, 50k HTTP soak (~134–217 leads/s after tuning), and 5×50k concurrent tenants — live at motherlandcrmsolutions.com.

A civic-focused, full-stack Next.js application that collects real-time electricity availability data across Kyiv and delivers submissions instantly to organizers via Telegram Bot API. Built with Next.js 16, TypeScript, Zod validation, and a multi-step carousel interface, the project demonstrates modern architecture, client-side validation strategy, secure API handling, and production deployment.

A deep dive into how I built a modern full-stack portfolio website with React, Next.js,TypeScript, MongoDB, and a complete blog management system.