(Senior) Fullstack Developer with Node.js - Freelance
Remote · Poland
Job Summary
Senior (or above) Fullstack Developer with Node.js sought for a freelance, full-time B2B contract. Remote from the EU (EU-based). Role focuses on designing and building scalable backend and frontend systems using Node.js, TypeScript, REST APIs, WebSocket-based architectures, and microservices. Requires hands-on experience with Strapi and Medusa.js, message brokers (RabbitMQ, Kafka, AMQP), SQL/NoSQL databases, AWS/Azure, and modern DevOps (Git, Docker, CI/CD). Operates in a CET-time zone with 3-month duration and potential extension; salary in euros per hour. English proficiency at C1. Benefits include 100% remote work, agile processes, and exposure to fintech/healthcare/insurance/education projects.
Required Qualifications
- Strong proficiency in Node.js and TypeScript
- Experience building and maintaining REST APIs and WebSocket-based applications
- Hands-on experience with Strapi and Medusa.js
- Experience with message brokers and asynchronous architectures (RabbitMQ, AMQP, Kafka, etc.)
- Solid understanding of SQL and NoSQL databases
- Experience with microservices and distributed systems
- Knowledge of system design, scalability, and performance optimization
- Proficiency with Git, Docker, and CI/CD pipelines
- Experience with AWS, Azure or other cloud platforms
- Strong understanding of software architecture, design patterns, and best practices
- Strong problem-solving and communication skills
- Written and spoken English at C1 level
Apply with one swipe on Sorce. We auto-fill applications and apply on your behalf — no cover letters, no 40-minute forms.
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.