Lead Node.js Developer (Ref 26243)

Jobline Resources Pte Ltd; Singapore; On-site; SGD 75,000 - 95,000; Full time

Job summary

A technology solutions provider in Singapore is looking for an experienced backend developer with at least 6 years in the field, specializing in AWS services such as Lambda and Node.js. You will be responsible for delivering features from user stories to production, engaging in Agile practices, and collaborating closely with Business Analysts. Candidates should have strong backend experience and good debugging skills to succeed in this role.

Qualifications

• At least 6 years of relevant experience in related area.
• Minimum of 4 years total backend experience and 2 years hands-on Node.js/AWS Lambda development experience.
• Solid understanding of async patterns and error handling.

Responsibilities

• Deliver features end-to-end, building APIs, Lambda functions, and backend services.
• Review requirements for technical feasibility and propose pragmatic alternatives.
• Investigate issues and implement resilient fixes.

Skills

AWS

Lambda

Node.js

TypeScript

JavaScript

Git

Redis

OAuth

OIDC

Education

Bachelor’s degree in a relevant field

Tools

API Gateway

S3

DynamoDB

CloudWatch

Job description

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.

Requirements

• At least 6 Years of Relevant Experience required in relevant area
• Must have skills: AWS, Lambda, Node.js
• Minimum a Bachelor’s degree in a relevant field 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)
• Clear, proactive communication and the ability to work closely with Business Analysts and stakeholders