Senior Full Stack Developer (Part-time / Contractor)

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#resume #parttime #contractor #fullstack #medusajs #typescript #AI #node 🔹 Position: Senior Full Stack Developer (Part-time / Contractor) 📍 Location: Remote (GMT+3 / CET) ⏳ Availability: Part-time (20-30 hours per week) 💼 Experience: 5+ years of commercial development 💵 Hourly rate: from $30 / hour ✈️ Contacts: [handle] Professional Profile: Expert Full Stack Engineer specializing in modern E-commerce ecosystems (Medusa.js) and AI-driven development. I excel as a sole engineer, taking 100% ownership of the product — from architecture to infrastructure. Ideal for teams needing a high-autonomy senior expert to stabilize processes, ship critical integrations, or build complex features under minimal supervision. Key Expertise for Part-time Roles: • Medusa.js Ecosystem: Deep custom development, extending core business logic, and creating specialized plugins. • Integrations & Data: Proven experience with Stripe (payments), ShipStation (fulfillment), and heavy product data sync pipelines from external APIs. • Process & Build Stability: Diagnosing and fixing broken production environments, setting up strict release workflows, and restoring business trust. • AI-Driven Workflows: Actively leveraging Cursor and custom AI agents/skills to accelerate development speed by up to 40%. Core Achievements: • Full-Stack Ownership: Operating as the sole developer on a comprehensive enterprise Medusa.js platform, managing features, backend API (Node/Express), and deployment (Docker/Portainer). • Process Re-engineering: Resolved long-standing buggy production builds by pitching and implementing a strict release and testing workflow, eliminating rushed deployments. • Complex UI Engines: Developed an interactive Product Customizer from scratch (Canvas API) with dynamic multi-layered logo mapping and real-time preview configurations. • Architecture Migration: Led the migration of 5 legacy applications into a unified Nx monorepo, drastically cutting CI/CD times. Tech Stack: • Frontend: React, Next.js, TypeScript, Canvas API, Tailwind CSS, Redux Toolkit. • Backend: Node.js, Express, Medusa.js, PostgreSQL, REST APIs. • Tools & Infra: Cursor AI, Docker, Nx Monorepos, Portainer, Minio, Stripe API, ShipStation API. Languages: • English: B2+ (Professional working proficiency, smooth communication). • Russian: Native.

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