Node.js Build Lead Developer

2 days ago

Singapore Manpower Singapore Full time

About the Role We are seeking a highly skilled Lead Node.js Developer to design, implement, and operate backend services running on AWS . In this role, you will architect secure and scalable APIs and event-driven workloads using services such as AWS Lambda, API Gateway, Secrets Manager, SQS/SNS, and EventBridge , ensuring high reliability, performance, and compliance. You will be responsible for setting engineering standards, establishing observability (logs, metrics, traces), and leading a team of engineers through design reviews, code reviews, and incident responses. Good technical leadership and stakeholder communication skills are essential to deliver solutions from requirements through to production readiness within a regulated environment. Key Responsibilities Deliver end-to-end features by building APIs, Lambda functions, and backend services based on user stories and technical designs. Review requirements and user stories for technical feasibility, scope, and risk, proposing practical alternatives when needed. Investigate issues, perform root-cause analysis, and implement resilient fixes with appropriate testing. Write clean, testable, and maintainable code while adhering to quality, performance, security, and accessibility (WCAG) best practices. Participate in code reviews, enforce coding standards, and contribute to continuous improvement of shared components. Collaborate with Business Analysts to refine acceptance criteria, clarify edge cases, and ensure business value delivery. Work in an Agile environment - contribute to backlog refinement, sprint planning, daily stand-ups, and retrospectives with accurate estimations. Collaborate on CI/CD pipelines, feature flags, and observability setup to enable safe and frequent releases. Requirements Bachelor's degree in Computer Science, Information Technology, or a related discipline. Minimum 6 years of relevant experience, including at least 4 years in backend development and 2 years of hands-on Node.js and AWS Lambda experience. Proven experience in building applications using AWS services such as Lambda, API Gateway, S3, DynamoDB/RDS, and CloudWatch. Good knowledge of event-driven architectures , including idempotency keys, DLQs, and retry mechanisms with backoff. Hands-on experience with caching layers (e.g., Redis). Experience working in regulated environments with audit trails, data retention, and PII handling. Practical experience with OAuth and OIDC authentication flows , including token handling, validation, and rotation. Familiar with testing frameworks such as Jest, Mocha , or equivalent for unit and integration testing. Proficient with Git workflows , branching strategies, and pull request reviews. Good understanding of authentication/authorization concepts (e.g., Cognito, JWT) and OWASP best practices. Knowledge of Agile or Scrum methodologies . Excellent debugging skills, structured problem-solving ability, and solid system design skills (latency, throughput, cost optimization). Clear, proactive communication skills with the ability to collaborate effectively with technical teams and business stakeholders. Seniority Level Mid-Senior level Employment Type Contract Job Function Information Technology Industries Information Services #J-18808-Ljbffr

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