Senior Fullstack Developer

Helius

Full-time singapore, sg, singapore, sg Computer Occupations

Posted:

February 21, 2026

Location:

singapore, sg, singapore, sg, Singapore

Job Description

                    Responsibilities
Design and implement RESTful APIs
Build and deploy performant modern web applications in React, Redux, Webpack, ES6 Javascript, and Typescript
Contribute to all phases of the development lifecycle (requirements collection, clarification, coding, testing, integration testing, deployment)
Design efficient and scalable backend systems
Write high-quality code (Ruby on Rails, Go) that communicates with upstream backend services via HTTP APIs
Identify and resolve performance and scalability issues
Write quality, well-designed, testable, efficient code
Write design and engineering documents
Collaborate with your colleagues to define, design, and ship features
Interact daily with designers, backend engineers, product owner, and QA engineers
Unit-testing code for robustness, including edge cases, usability, and general reliability
Bug fixing and improving application perfor...
                

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Job Overview

Job Type: Full-time

Location: singapore, sg, Singapore

Posted: February 21, 2026

Deadline: April 02, 2026