Senior Node.js Developer
-, Warszawa +4 Locations
Link Group
The Role
As a Backend Engineer, you will play a key role in developing and enhancing backend systems. Your responsibilities will include building new features, improving performance, fixing bugs, and ensuring the platform scales effectively. You’ll collaborate with the wider team to deliver robust and maintainable solutions.
Key Responsibilities
Design, develop, and maintain scalable backend services using Node.js and TypeScript
Build and optimize REST APIs to support frontend and AI-driven features
Use Git for version control and collaborative development
Identify and resolve performance bottlenecks, security vulnerabilities, and bugs
Ensure high availability and reliability of backend services
Collaborate with cross-functional teams to define, design, and ship new features
Participate in code reviews and contribute to best practices in software development
Skills & Experience
Strong commercial experience with Node.js and TypeScript
Proficiency in designing and consuming RESTful APIs
Solid understanding of Git and modern development workflows
Experience working in dynamic, fast-paced environments
Proficient in English with excellent written and verbal communication skills
Nice-to-Have:
Experience with MongoDB (or other NoSQL databases)
Knowledge of Docker and Kubernetes for containerization and orchestration
Experience with event-driven architectures using messaging solutions (e.g., RabbitMQ)
Familiarity with cloud infrastructure (preferably Azure)
Exposure to Generative AI models and their integration into applications
Full Stack experience (React preferred)
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