Software Engineer(React, Node.js, and PostgreSQL.)

Rapsys Technologies Pte Ltd.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Rapsys Technologies Pte Ltd. in Singapore invites a Software Engineer to join our team. You will contribute across the stack, delivering scalable software and data pipelines for contact management.

The ideal candidate has 5+ years of hands-on experience in full-stack development, with proficiency in React, Node.js, and PostgreSQL, plus CI/CD and cloud familiarity. Office-based role in Singapore with a collaborative culture.

Qualifications

• 5+ years of hands-on software development experience.
• Experience in full stack web development.
• Strong fundamentals in data structures, algorithms and software design.

Responsibilities

• Design, develop, and maintain software applications.
• Build scalable contact data pipelines for ingest, deduplication, and segmentation.
• Collaborate with product managers, designers, and other engineers to deliver citizen-centric products.
• Participate in code reviews and own quality end-to-end.

Skills

Full-stack development

React

Node.js

PostgreSQL

CI/CD

AWS

Data processing

Deduplication

Education

Bachelor's degree in Computer Science

Tools

Git

CI/CD tooling

Job description

We're Hiring: Software Engineer!

We are looking for an experienced and passionate Software Engineer to join our dynamic team in Singapore. The ideal candidate will have at least 5 years of hands‑on experience in software development, strong problem‑solving abilities, and a drive to deliver high‑quality solutions. If you thrive in a collaborative environment and want to make an impact through innovative technology, we want to meet you!

Location: Singapore, Singapore

Work Mode: Work from Office

Role: Software Engineer

What to expect

• Design, develop, and maintain software applications: Write clean, scalable, and efficient code to create software solutions that meet user needs.
• Build scalable contact data pipelines: Develop robust data ingestion, deduplication, and segmentation logic for contact management at scale.
• Collaborate with cross‑functional teams: Work closely with product managers, designers, and other engineers to deliver high‑quality citizen‑centric products.
• Participate in code reviews: Ensure code quality and share knowledge with team members to improve overall team performance.
• Debug and troubleshoot issues: Identify and resolve software defects and performance issues.
• Implement automated testing and continuous integration: Ensure the reliability and stability of the software through automated tests and CI/CD pipelines. No dedicated QE on the team, so you own quality end‑to‑end.
• Documentation: Create and document technical designs that are aligned with architectural guidelines.
• Integrate with downstream platforms: Connect ContactSG with communication channels (email, SMS, etc.) used by agencies.
• Stay updated with the latest industry trends: Continuously learn and apply new technologies and best practices to improve our products.
• Act as a technical lead when required: Drive technical direction, make architectural decisions, and ensure alignment with best practices and business goals.

Experiences we look out for

• At least 5 years of relevant working experience in software development, preferably in full stack web development.
• A degree in Computer Science or a related field is preferred.
• Possess a strong understanding of computer science fundamentals, including data structures, algorithms, programming skills, and software design principles and patterns.
• Proficient in full stack development with hands‑on experience using technologies such as React, Node.js, and PostgreSQL.
• Experience with CI/CD pipelines, automated testing, and DevOps practices.
• Familiarity with cloud services, with added advantage for experience in AWS services.
• Demonstrated strong ability to write clean, maintainable, and efficient code in a collaborative environment.
• Experience with data lakes and large‑scale data processing is a plus.
• Familiarity with record matching and deduplication techniques is a plus.
• Background in CRM, contact management, or customer data platforms is a plus.
• Experience with Kotlin is a plus (to support legacy codebases).