Software Engineer (Java & Golang) – Immediate / Short Notice - Contract

NTT SINGAPORE PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NTT SINGAPORE PTE. LTD. is seeking a Software Engineer with strong Java and Golang experience for a 12-month contract in Changi, Singapore. You will re-architect Go services into Java and build scalable backend systems.

The role requires 5–8 years of hands-on software development, expertise in Spring Boot, microservices, distributed systems, and REST APIs. Immediate joiner preferred.

Qualifications

• 5–8 years of professional software development experience.
• Strong hands-on Java and Golang development.
• Experience with Spring / Spring Boot and backend services.
• Experience building microservices and distributed systems.

Responsibilities

• Re-architect and rewrite existing Golang services into Java.
• Design, develop, test and maintain scalable backend applications and services.
• Analyze Go code and dependencies before migration to Java.
• Develop robust solutions for distributed, mission-critical systems.
• Write clean, readable, testable, well-documented code.
• Participate in technical design and architectural discussions.
• Troubleshoot application, integration and performance issues.
• Apply design patterns and engineering practices to maintain simplicity.

Skills

Java

Golang / Go

Spring Boot

Microservices

Distributed Systems

SQL

REST APIs

Concurrency

Debugging

Tools

Docker

Kubernetes

AWS

Kafka

S3

Angular

Job description

Software Engineer – Java & Golang

Employment Type: 12 Months Contract

Work Location: Changi, Singapore

Experience: 5–8 years

Availablity : Immediate Joiner Preferred

Job Description

We are looking for an experienced Software Engineer with strong hands-on development experience in both Java and Golang (Go).

The successful candidate will work on mission-critical applications and will be responsible for re-architecting and rewriting existing Golang services into clean, performant and maintainable Java solutions.

The role requires a strong software engineering foundation, experience working with distributed systems, and the ability to develop reliable and maintainable applications in a production environment.

Key Responsibilities

• Re-architect and rewrite existing Golang services into idiomatic, clean and maintainable Java.
• Design, develop, test and maintain scalable backend applications and services.
• Analyse existing Go code, business logic and service dependencies before migration to Java.
• Develop robust solutions for distributed and mission-critical systems.
• Write clean, readable, testable and well-documented code.
• Participate in technical design and architectural discussions.
• Troubleshoot application, integration and performance issues.
• Apply appropriate design patterns and engineering practices without unnecessary complexity.
• Work closely with developers and other technical stakeholders throughout the software development lifecycle.
• Ensure application stability, reliability, maintainability and performance.
• Use AI-assisted development tools appropriately for repetitive or boilerplate activities while maintaining engineering ownership over core logic and technical decisions.

Mandatory Requirements

• 4 + years of professional software development experience.
• Strong hands-on development experience in Java.
• Strong hands-on development experience in Golang / Go.
• Experience developing backend services using Spring / Spring Boot.
• Experience with microservices and distributed systems.
• Good working knowledge of SQL and relational databases.
• Experience developing and consuming REST APIs.
• Understanding of concurrent programming / multithreading concepts.
• Strong debugging, problem-solving and code-quality practices.
• Experience supporting reliable, production-grade applications.

Good to Have

• Apache Kafka or other message-queue technologies.
• AWS S3 or other object-storage technologies.
• Networking and routing fundamentals.
• Angular or other modern frontend technologies.
• Cloud and container technologies such as AWS, Docker or Kubernetes.
• Experience working on large-scale enterprise or financial-services applications.

Preferred Candidate Profile

• Strong analytical and problem-solving ability.
• Able to understand an existing codebase and translate functionality between programming languages.
• Values code readability, maintainability and long-term system stability.
• Comfortable working collaboratively with technical teams.
• Able to clearly document technical decisions and complex application logic.
• Proactive in proposing practical technical solutions when standard approaches are insufficient.

We look forward to your application!