Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail and supply chain.

We are currently looking to hire a NodeJS Developer. This is an exciting opportunity to expand your skill set, achieve job satisfaction and work-life balance. More details as below.

JOB TYPE

Long Term Contract

ROLES AND REPONSIBILITIES

As the Lead Node.js developer, you will own the design, implementation and operation of backend services running on AWS. You’ll architect secure, scalable APIs and event-driven workloads on platforms such as AWS Lambda, API Gateway, Secrets Manager, SQS / SNS / EventBridge, ensuring reliability, performance and compliance. You will be expecting to set engineering standards, establish observability (logs/metrics/traces) and lead a team of engineers through design reviews, code reviews, and incident response. Strong technical leadership and stakeholder communication are essential to guide delivery from requirements to production readiness in a regulated environment.

Job Responsibilities:

• Deliver features end-to-end, build APIs, Lambda functions, and backend services from user stories and technical designs.
• Review requirements and user stories for technical feasibility, scope and risk. Propose pragmatic alternatives when needed.
• Investigate issues, perform root-cause analysis and implement resilient fixes with tests.
• Quality first, write clean and testable code; add unit/integration tests, ensure accessibility (WCAG), performance and security best practices.
• Participate in code reviews, maintain coding standards, and improve the component library.
• Partner with BA, refine acceptance criteria, clarify edge cases and ensure business value is met.
• Agile way of working, contribute to backlog grooming, daily stand-ups, and retrospectives; provide accurate estimates.
• Collaborate on CI/CD, Feature flags, and observability for safe frequent release.

QUALIFICATIONS

• 6 Years of Relevant Experience Required: 6 years at least in relevant area
• Must have skills: AWS, Lambda, Node.js
• Minimum a Bachelor’s degree in a relevant of study
• Minimum 4 years of total backend experience and 2 years hands-on Node.js/ AWS lambda development experience.
• AWS experience, having built applications on AWS architecture (e.g., Lambda, API Gateway, S3, DynamoDB/RDS, CloudWatch).
• Experience with AWS Lambda development (handlers, layers, cold-start awareness, IaC packaging/deploy).
• Experience with event-driven design (idempotency keys, DLQs, retries with backoff)
• Hands on experience on Caching layers (Redis).
• Experience in regulated audit trails, data retention, PII handling.
• Solid understanding of TypeScript or JavaScript, async patterns, and error handling.
• Hands on experience with OAuth & OIDC authentications, token handling (authorization code flow, ID token validation, refresh token rotation).
• Familiarity with testing (Jest, Mocha, or similar) and API/integration testing.
• Comfort with Git workflows and pull-request reviews.
• Knowledge in authentication/authorization (Cognito, OAuth/OIDC, JWT) and OWASP practices.
• Knowledge in Agile Methodology or Scrum process will be an advantage.
• Strong debugging skills and a structured approach to problem solving.
• Practical experience with Git, branching strategies, and code reviews.
• Excellence system design skills (latency, throughput, cost).

WHAT’S ON OFFER

You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression.

To submit your application, please apply online or email your UPDATED CV in Microsoft Word format to [email protected]. Your interest will be treated with strict confidentiality.

CONSULTANT DETAILS

Consultant Name: Keerthana Ramakrishnan

Avensys Consulting Pte Ltd

EA License 12C5759

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