Backend Developer (Node JS)

Key Responsibilities:

• Design, build, and maintain high-performance backend services and RESTful APIs using Node.js
• Gathering and refining specifications and requirements based on technical needs
• Lead architecture discussions and decisions for new backend features and infrastructure
• Collaborate with frontend developers, product managers, and QA to deliver end-to-end features
• Optimize application performance, scalability, and reliability
• Implement and enforce best practices in code quality, testing, and documentation
• Troubleshoot, debug, and upgrade existing backend systems
• Integrate with databases (SQL/NoSQL), third-party services, and internal tools
• Ensure security and data protection measures are properly implemented

Requirements: 

• 5+ years of professional backend development experience, with 3+ years in Node.js
• Strong understanding of asynchronous programming and event-driven architecture
• Experience with Express.js, NestJS, or other Node.js frameworks
• Proficient with SQL and/or NoSQL databases (e.g., PostgreSQL, MongoDB, Redis)
• Solid understanding of REST APIs, authentication (JWT, OAuth), and web security best practices
• Familiarity with CI/CD pipelines, Docker, and cloud platforms (AWS, GCP, or Azure)
• Strong unit and integration testing experience (e.g., Jest, Mocha)
• Excellent command of the English language both written and oral.

Nice to have:

• Experience with GraphQL and real-time technologies (e.g., WebSockets)
• Familiarity with microservices architecture and message queues (e.g., RabbitMQ, Kafka)
• Knowledge of TypeScript

Working at Walter Code:  

• Enjoying the Membership
• Rewarding Success
• Good Spokesman
• Having Fun
• Sharing Knowledge
• Prioritizing Health
• Cause We Care