Full-stack Developer Digital Platform

1M R&D PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary

Fintech culture

Career growth

Modern engineering

Mentoring

Job summary

1M R&D PTE. LTD. in Singapore is seeking an experienced Full-Stack Developer to join our team in Singapore or Kuala Lumpur. You will work on digital payments, wallet integrations, and our internal transaction matching system.

Our stack uses Node.js for wallet services and Java or Rust for the matching engine. This is a hands-on building role with opportunities to guide other engineers and contribute to design discussions.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering or a related field.
• 5+ years of professional software development experience.
• Strong understanding of scalable system design.
• Strong debugging and problem-solving skills.
• Able to work independently and in a team.
• Based in Kuala Lumpur, or currently in Singapore and open to relocating.

Responsibilities

• Design, build and maintain scalable web applications and backend services.
• Build wallet and account features that connect to multiple payment networks and partners.
• Build secure processes for sending, receiving and settling payments and balances.
• Integrate our systems with external networks and third-party APIs.
• Implement strong key and access management, including multi-party approval flows and hardened wallet security.
• Build and improve the systems that match and route transactions between our platform users.
• Build secure holding and verification steps for transactions.
• Design systems that stay reliable under high traffic, and improve database speed and scalability.
• Build APIs, real-time services, and monitoring and alerting systems.
• Work closely with Product Managers, Designers and QA, and take part in design discussions and code reviews.

Skills

React.js

Next.js

TypeScript

TailwindCSS

Node.js

NestJS

Express.js

Java

Rust

PostgreSQL

MySQL

Redis

MongoDB

Docker

Kubernetes

AWS

GCP

CI/CD

Education

Bachelor’s degree in Computer Science, Software Engineering or related field

Tools

NestJS

Express.js

Spring Boot

Job description

About the Role

We are hiring an experienced Full-Stack Developer to join our team in Singapore or Kuala Lumpur. You will work across our digital payments and financial platform, covering wallet and payment-network integrations as well as our internal transaction matching system. Our stack uses Node.js for wallet and account services, and Java or Rust for the internal matching engine, so your background across these areas will shape where you focus most. This is mainly a hands-on building role. Experience guiding or mentoring other engineers is a plus.

Responsibilities

• Design, build and maintain scalable web applications and backend services.
• Build wallet and account features that connect to multiple payment networks and partners.
• Build secure processes for sending, receiving and settling payments and balances.
• Integrate our systems with external networks and third-party APIs.
• Implement strong key and access management, including multi-party approval flows and hardened wallet security.
• Build and improve the systems that match and route transactions between our platform users.
• Build secure holding and verification steps for transactions.
• Design systems that stay reliable under high traffic, and improve database speed and scalability.
• Build APIs, real-time services, and monitoring and alerting systems.
• Work closely with Product Managers, Designers and QA, and take part in design discussions and code reviews.

Technical Requirements

• Frontend: React.js, Next.js, TypeScript, TailwindCSS
• Backend: Node.js, NestJS or Express.js
• Matching engine: Java (Spring Boot) or Rust
• Databases: PostgreSQL, MySQL, Redis or MongoDB
• Cloud and DevOps: Docker, Kubernetes, AWS or GCP, CI/CD

Preferred Experience

• Large-scale financial or trading systems.
• Designing secure transaction processes.
• Knowledge of AML, KYC or fraud-prevention tools.
• Event-driven and distributed systems.
• Handling very high daily traffic.
• Leading or mentoring a team (a plus, not required).

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering or a related field.
• 5 or more years of professional software development experience.
• Strong understanding of scalable system design.
• Strong debugging and problem-solving skills.
• Able to work independently and in a team.
• Based in Kuala Lumpur, or currently in Singapore and open to relocating.

What We Offer

• Competitive salary with performance bonuses.
• The chance to build modern digital payments and financial products.
• Work alongside experienced fintech and payments professionals.
• A modern engineering culture using current technologies.
• Room to grow within a fast-growing technology company.