Lead Node.js Developer
As a Lead Developer, you will play a key role in designing technical solutions, mentoring team members, driving architectural decisions, implementing best practices, and delivering high-quality, secure, and maintainable applications.
Responsibilities
- Develop and maintain server-side applications using Node.js and NestJS, writing reusable, testable, scalable, and efficient backend code
- Design and implement RESTful APIs and GraphQL APIs for frontend services and third-party integrations
- Build secure authentication and authorization systems using JWT and role-based access control
- Integrate external services, APIs, and cloud-based solutions, while implementing logging, monitoring, caching, and error-handling mechanisms
- Optimize API performance and troubleshoot bottlenecks to ensure high availability and responsiveness
- Design and maintain database schemas and data models, working extensively with SQL and NoSQL databases
- Optimize database queries and indexing strategies to ensure data integrity, scalability, and high-performance data access
- Develop and deploy cloud-native applications on AWS, leveraging AWS services for hosting, storage, monitoring, and scalability
- Participate in CI/CD pipeline implementation and deployment automation, monitoring application performance and troubleshooting production issues
- Write comprehensive unit tests, ensure high test coverage, conduct code reviews, and enforce development best practices using tools such as ESLint and SonarQube
- Apply frontend and backend security best practices to prevent and mitigate Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF/XSRF), and CORS vulnerabilities, including secure JWT token management and authentication workflows
- Design scalable and maintainable software architectures applying SOLID principles and design patterns such as Singleton Pattern, mentor junior and mid-level developers, and collaborate with cross-functional teams including Product Managers, Designers, QA Engineers, and DevOps teams
Requirements
- 8+ years of professional software development experience
- Proven experience building large-scale applications using JavaScript, TypeScript, and Node.js
- Expertise in GraphQL for API design and development
- Background in application architecture and performance optimization
- Skills in testing and cloud deployments
- English proficiency at an Upper-Intermediate level (B2) or higher
