This is a remote freelance opportunity for a Senior Node.js Developer to build and maintain backend services. The company, based in Poznań, PLN, assists companies in fintech solutions and has been innovating for over 17 years. The role involves designing, building, and maintaining scalable systems and collaborating with various teams.
Requirements
- 5+ years of professional experience as a backend developer
- Excellent proficiency in Node.js and modern JavaScript (ES6+)
- Experience with Express.js, NestJS, or similar frameworks
- Strong understanding of RESTful and GraphQL APIs
- Hands-on experience with databases (SQL and NoSQL)
- Familiarity with containerization (Docker) and cloud environments (AWS, GCP, or Azure)
- Knowledge of CI/CD pipelines and deployment automation
- Strong focus on code quality, testing (Jest, Mocha, or similar), and best practices
- Understanding of authentication, authorization, and security principles
- Excellent problem-solving and communication skills