Senior Full-Stack Dev

SecondTalent; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

SecondTalent is seeking a Senior Full-Stack Developer with 9 years of experience, proficient in React, Node.js, and TypeScript. This role involves rebuilding legacy applications and leading development for core platforms ensuring high uptime and performance.

The ideal candidate will have a proven track record in SaaS products and the ability to mentor junior developers. A Bachelor's degree in Computer Science from the National University of Singapore or equivalent experience is preferred.

Qualifications

• 9 years of experience in full-stack development, particularly in building SaaS products.
• Proficient in front-end and back-end technologies.
• Strong mentoring capabilities and familiarity with cloud services.

Responsibilities

• Lead development of core product platforms with high availability.
• Rebuild legacy applications using modern frameworks.
• Implement real-time features and payment processing.

Skills

React

Node.js

TypeScript

Next.js

AWS (EC2, Lambda, S3, RDS, ECS)

Docker

Jest

Cypress

Playwright

Education

B.Comp. Computer Science

Job description

Jack is a senior full‑stack developer with 9 years of experience building SaaS products from architecture to launch. Proficient in React, Node.js, and TypeScript, he has shipped products used by hundreds of thousands of users across B2B and B2C markets. Jack turns fuzzy product requirements into clean, scalable codebases, owns the full stack from frontend to deployment, and mentors junior developers while establishing engineering best practices.

Languages

• Native
• Fluent

Skills

• Front‑end: React, Next.js, TypeScript, Tailwind CSS, Redux, React Query
• Back‑end: Node.js, Express, NestJS, GraphQL, REST APIs
• Database
• Cloud: AWS (EC2, Lambda, S3, RDS, ECS), Vercel, Docker, Terraform
• Testing: Jest, Cypress, Playwright, React Testing Library

Experience

Senior Full‑Stack Developer

2021 – Present – Carousell

• Led development of the core product platform serving 800+ enterprise clients with a 99.9% uptime SLA.
• Rebuilt the frontend from a legacy jQuery app to React + TypeScript, improving load times by 70%.
• Enabled a 3× improvement in developer velocity through TypeScript and a component library adoption.

Full‑Stack Developer

2018 – 2021 – ShopBack

• Built the marketplace platform from scratch using React, Node.js, and PostgreSQL.
• Implemented real‑time messaging, Stripe payment processing, and Elasticsearch‑powered search.
• Grew the platform from 0 to 50 000 monthly active users within 18 months.

Software Engineer

2015 – 2018 – Accenture

• Delivered full‑stack solutions for banking and insurance clients, including internal tools and dashboards.
• Migrated legacy systems to cloud‑native architectures on AWS, reducing infrastructure costs by 40% for three clients.

Education

• B.Comp. Computer Science – National University of Singapore – 2015