Software Engineer - contract

QUESS ENGINEERING PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

QUESS ENGINEERING PTE. LTD. is seeking a hands-on Java 17+ developer to work on banking and wealth management platforms, supporting both legacy monolithic applications and modern microservices.

The candidate should be production oriented, able to work independently, and comfortable owning development, deployment, and production support. You will design and build backend services using Spring Boot, manage builds with Maven/Gradle, and work with MariaDB/MySQL.

Qualifications

• Hands-on Java 17+ developer for banking/wealth platforms.
• Production oriented; able to work independently.
• Willing to take senior/lead responsibilities when required.

Responsibilities

• Build and maintain Java 17+ applications across monolith and microservices
• Develop scalable backend services using Spring Boot
• Work with Maven and Gradle build systems
• Design and optimize solutions using MariaDB/MySQL
• Perform performance tuning, JVM/SQL optimization
• Deploy and support applications via Jenkins and OpenShift
• Monitor logs, troubleshoot issues, and resolve production incidents
• Collaborate with cross country teams in Agile/Scrum
• Take ownership and step into a senior/lead role when required
• Ensure data integrity, security, and reliability in financial systems

Skills

Java 17+

Spring Boot

Monolithic

Microservices

Maven

Gradle

MariaDB/MySQL

Jenkins

Docker

OpenShift (OCP)

Production support

Incident management

Tools

Jenkins

Docker

OpenShift (OCP)

Job description

Required Skills

• Java 17+, Spring Boot
• Monolithic and microservices architecture
• Maven & Gradle
• MariaDB / MySQL
• Jenkins, Docker, OpenShift (OCP)
• Production support & incident management

Ideal Candidate

• Independent, accountable, and proactive
• Calm under pressure in production environments
• Strong problem solver with the right attitude
• Comfortable guiding teams when acting as senior

Nice to Have

• React 17+ (full stack exposure preferred)
• Banking / wealth management or fintech experience
• Understanding of investment products:
  • Bonds
  • Unit Trusts (UT) / Mutual Funds
• Knowledge of financial transaction lifecycles and regulatory awareness

Role Summary

We are looking for a hands on Java 17+ developer to work on banking and wealth management platforms, supporting both legacy monolithic applications and modern microservices. The candidate should be production oriented, able to work independently, and comfortable owning development, deployment, and production support.

Key Responsibilities

• Build and maintain Java 17+ applications across monolith and microservices
• Develop scalable backend services using Spring / Spring Boot
• Work with Maven and Gradle build systems
• Design and optimize solutions using MariaDB, MySQL
• Perform performance tuning, JVM/SQL optimization
• Deploy and support applications via:
  • VM-based deployments using Jenkins
  • Containerized deployments on OpenShift (OCP)
• Monitor logs, troubleshoot issues, and resolve production incidents quickly
• Work with workflow engines (Camunda, Activity/Activiti)
• Collaborate with cross country teams using Agile/Scrum
• Take ownership and step into a senior/lead role when required
• Use open source frameworks responsibly, understanding risk, security, and compliance
• Ensure data integrity, security, and reliability in financial transaction systems

This is in partnership with the Employment and Employability Institute Pte Ltd ("e2i").