Vladimir Pichkurov

Vladimir Pichkurov

Founder & CEO, DevSense | Senior Systems Architect

💼 Seeking Work

"Senior Full Stack Engineer (PHP/Laravel • Node.js/NestJS • Next.js/Electron)"

À propos

Founder & CEO of DevSense. Senior Systems Architect and Backend Engineer with 9+ years of commercial experience designing and scaling complex web systems. Expert in PHP (Laravel, Symfony), MySQL, PostgreSQL, Redis, and microservices architecture. Direct email: [email protected].

Work Experience

I am a Senior Full Stack Engineer & Backend Architect with 9+ years of professional experience building high-performance web applications, serverless B2B/B2C SaaS, cross-platform desktop software, IoT ecosystems, and scalable APIs. My core value is extreme autonomy. I take full ownership of the technical lifecycle—from database schema design and writing clean backend code to desktop client packaging, setting up CI/CD pipelines, and deploying to the cloud. I thrive in async-first, product-driven teams where actions speak louder than meetings. 🚀 Turnkey MVP & Product Delivery for Startups: Beyond my individual contributions, I partner with experienced UI/UX designers to provide "under-one-roof" product delivery for early-stage startups. This eliminates communication overhead between developers and designers, ensuring fast release cycles and saving valuable budget. 💻 MY CORE TECHNICAL FOCUS: Backend & System Architecture: PHP (Laravel, Symfony), Node.js (NestJS, Express, Firebase Functions), TypeScript, RESTful APIs, WebSockets (Ratchet, Socket.io), gRPC, Microservices. Databases & Query Optimization: PostgreSQL, MySQL, Redis, Cloud Firestore (NoSQL). Proficient in database sharding, composite indexing, deadlock resolution, and query profiling (EXPLAIN ANALYZE). DevOps & Cloud Infrastructure: Docker, Nginx, Linux CLI, CI/CD (GitHub Actions, GitLab CI), AWS (EC2, S3, Cognito, MediaConvert), Firebase Emulators. Applied AI: GDPR-compliant local LLM deployments (Llama/Mistral), RAG architectures using pgvector/Qdrant, OpenAI API integrations. Frontend & Desktop: Vue.js (2/3, Composition API), React 18, Next.js 14, Electron.js. 🏆 KEY ACHIEVEMENTS: 12,900+ Upwork B2B Hours: Top Rated Plus contractor with a 100% Job Success Score, serving US and European product companies. Delivered 30+ commercial applications from zero to release (scooter sharing, desktop time trackers, secure telemedicine EHRs with VoIP, B2B/B2C SaaS widget builders, dating platforms, and legal tech). Creator of DevSense (https://devsense.work): A technical media portal featuring detailed guides on database scaling, PgBouncer pooling, API gateways, and advanced PHP/Node.js configurations. Defense Tech Contributor: Optimized C++/Python edge neural network logic for UAV flight computers, increasing video processing speeds by 35%.

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