Stanislav K.

🚀 The Top 3% of 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 Node.js & Backend Architecture Talent 🤖 Modern AI Stack: Cursor, Claude Code, GitHub Copilot, GPT-4o, Claude 3.5 Sonnet ⚡ 14 Years of Professional Engineering Experience ⚡ 30–40% Faster Release Cycles Through AI-Assisted Engineering Welcome! 👋 I am a Senior Node.js Developer and Backend Architect specializing in building clean, resilient, and high-performance backend systems. Over the past 14 years, I have helped companies architect new platforms, rescue legacy codebases, and scale infrastructure. Whether you need to ship a complex greenfield project from scratch or optimize an existing enterprise repository, I deliver highly secure, production-ready APIs designed to handle heavy loads with zero surprises. 🔥 WHAT YOU GET High-Performance Architecture: Custom-built backend ecosystems engineered for scalability, low latency, and 99.99% uptime. Rapid, AI-Accelerated Delivery: High-quality features and refactors delivered 30–40% faster using premium AI-assisted development tools. Enterprise-Grade Quality: Bulletproof codebases equipped with end-to-end testing, bulletproof security patterns, and clear documentation. A Pragmatic Technical Partner: A senior engineer who focuses on measurable business outcomes, predictable timelines, and proactive scope management. 🤖 AI-ASSISTED ENGINEERING STACK I lean heavily into modern tools like Cursor, Claude Code, GitHub Copilot, and GPT-4o to compress prototyping, debugging, test generation, and boilerplate implementation times. The Senior Advantage: While AI handles the execution velocity, all foundational architecture choices, query optimizations, security controls, and system designs remain deeply grounded in my 14 years of real-world engineering experience. You get the speed of AI combined with the judgment of a veteran developer. 🚚 TECHNICAL CAPABILITIES & KEYWORDS API & Backend Architecture: Node.js, TypeScript, NestJS, Express.js, REST APIs, GraphQL (Apollo), Microservices, and Event-Driven Systems. Data Layer & Caching: PostgreSQL, MySQL, MongoDB, Redis caching, schema design, migrations, and performance tuning via Prisma, TypeORM, and Sequelize. Integrations & Asynchronous Workers: Stripe, PayPal, SendGrid, Twilio, Webhooks, and robust background processing setups using BullMQ, RabbitMQ, and AWS SQS. Security & Identity: Authentication/Authorization (JWT, OAuth2, SSO), RBAC, rate limiting, and strict runtime input validation using Zod and class-validator. Cloud, DevOps & Quality: Docker, GitHub Actions CI/CD pipelines, AWS ecosystem (EC2, Lambda, RDS, S3), monitoring/logging (Pino, Winston, OpenTelemetry), and testing frameworks (Jest, Supertest, Cypress). 🛠️ WORKFLOW FOR PREDICTABLE SUCCESS Discover: Clarify business goals, engineering constraints, and core success metrics. Plan: Propose a transparent, lightweight roadmap with clear milestones and estimates. Build: Deliver highly readable, isolated pull requests complete with full test coverage. Harden: Implement proactive observability, error logging, and defensive security measures. Handover: Provide production runbooks, clean API documentation (OpenAPI/Swagger), and architectural transition guides. ⏱️ FIRST 1–2 WEEKS: QUICK-WIN DELIVERABLES To build immediate momentum, here is what I typically deliver during our first sprint: An API & Infrastructure Health Report highlighting immediate performance, security, and developer-experience improvements. A fully automated CI/CD pipeline configuration (build, lint, type-check, and automated testing) with a staging environment deployment. A high-priority endpoint refactor or feature implementation that is completely typed, tested, and self-documenting. 🎯 Have a brief, existing repository, or product backlog ready to go? Share it with me today. I’ll review your technical constraints and reply with a targeted action plan highlighting immediate quick wins, an optimized timeline, and exactly how we will measure success for your next release.