# JAVA Software Engineer

> Unison Group · Singapore, Singapore · Contract · Posted 2026-05-18

**Workplace:** on_site

**Department:** Manish

## Description

### Position Overview

We are seeking an experienced and driven Software Engineer (Java) to design, develop, and maintain scalable enterprise-grade applications and backend systems. The successful candidate will play a key role in software architecture, system integration, infrastructure automation, and application reliability while working closely with internal engineering teams and external vendors.

This role requires strong expertise in Java-based application development, microservices architecture, cloud-native technologies, DevOps practices, and secure software engineering.

### Key Responsibilities

### Software Development & Engineering

-   Lead and implement software development best practices, including Continuous Integration (CI), Continuous Delivery (CD), and automated deployment processes to improve software quality and delivery speed.
-   Design, develop, and maintain scalable backend systems, APIs, applications, and data structures.
-   Build and maintain both front-end interfaces (React/Angular) and back-end services using Java technologies.
-   Design and oversee software architecture while considering both functional and non-functional requirements such as scalability, resiliency, security, and performance.
-   Analyse technical trade-offs and make informed engineering decisions aligned with business and operational goals.

### Testing, Security & Reliability

-   Develop and execute comprehensive testing strategies, including:

-   Functional testing
-   Performance testing
-   Security testing
-   Integration testing

-   Implement secure coding standards and application security testing practices.
-   Ensure software solutions are robust, fault tolerant, and production-ready.

### Infrastructure & DevOps

-   Define and implement Infrastructure as Code (IaC) practices.
-   Integrate systems and components across the organisation to support seamless operations.
-   Manage containerised and cloud-native deployments using Docker, Kubernetes, OpenShift, and OpenStack.
-   Automate operational processes to improve efficiency and reduce release turnaround time.
-   Design and maintain CI/CD pipelines and job scheduling integrations.

### Code Review & Vendor Management

-   Perform code reviews and provide recommendations to software engineers and external vendors.
-   Conduct progressive manual source code reviews delivered by vendors.
-   Verify implementation quality and ensure solutions comply with approved designs and standards.
-   Support technical governance and ensure engineering best practices are consistently applied.

### Monitoring & Operations

-   Set up and integrate observability, monitoring, and alerting platforms such as Grafana and ELK Stack.
-   Manage and prioritise operational backlogs and technical support activities.
-   Ensure system resiliency, availability, and operational stability.

### Required Qualifications & Experience

### Experience

-   Minimum 5 years of proven experience in software engineering teams and enterprise technology projects.
-   Hands-on experience designing and implementing Java applications in enterprise environments.
-   Proven experience working with microservices architecture and RESTful APIs.

### Technical Skills

### Backend & Middleware

-   Strong proficiency in:

-   Java
-   Spring/Spring Boot
-   Microservices architecture
-   RESTful web services
-   SQL
-   Shell scripting

-   Experience with:

-   RHEL (Red Hat Enterprise Linux)
-   JBoss EAP
-   Maven
-   Oracle Database
-   Fault-tolerant infrastructure concepts

### Cloud & Containerisation

-   Experience with cloud platforms and containerisation technologies, including:

-   Docker
-   Kubernetes
-   OpenShift
-   OpenStack

### Integration & Interfaces

-   Strong understanding of file transfer mechanisms, interfaces, resiliency, and connectivity protocols such as:

-   REST
-   SFTP
-   MQ

-   Experience integrating:

-   Autosys
-   Job scheduling systems
-   CI/CD platforms
-   Data warehouses
-   Document Management Systems

### Monitoring & Observability

-   Experience with observability and monitoring tools, including:

-   Grafana
-   ELK Stack
-   Logging and alerting systems

### Front-End Development

-   Working knowledge of:

-   React
-   Angular

### Database & Security

-   Strong understanding of database design and optimisation.
-   Experience implementing secure coding practices and application security testing.

## Apply

[Apply at Unison Group](https://apply.workable.com/unisongroup/j/1A5D35BAE1/apply)

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