Unison Group
Singapore / Global
Singapore / Global
Role Overview
We are looking for an experienced
Senior Java Backend Developer
with strong expertise in
Java 17+, Spring Boot 3.x, REST API development, and Microservices Architecture . The ideal candidate will be responsible for designing, developing, deploying, and supporting scalable backend applications in a cloud environment. The role requires hands-on experience with AWS services, CI/CD pipelines, database technologies, and production support activities.
Key Responsibilities
Design, develop, and maintain high-performance backend applications using
Java 17+ and Spring Boot 3.x .
Develop and integrate scalable
RESTful APIs
following industry best practices.
Build and maintain applications based on
Microservices Architecture .
Implement secure, reliable, and scalable backend solutions.
Work with AWS cloud services including
ECS, EC2, RDS, and CloudWatch
for application deployment, monitoring, and troubleshooting.
Develop and manage
CI/CD pipelines
using GitLab and Infrastructure as Code (IaC) practices.
Collaborate with DevOps teams to automate build, deployment, and release processes.
Work with
Oracle and SQL databases , including database design, queries, optimization, and troubleshooting.
Perform code reviews, debugging, performance tuning, and application enhancements.
Provide
Production Support / BAU Support
for business-critical applications.
Manage incidents, perform root cause analysis (RCA), and implement permanent fixes.
Collaborate with cross-functional teams including QA, DevOps, Product Owners, and Business stakeholders.
Required Skills & Experience
6+ years of experience in
Java Backend Development .
Strong hands-on experience with
Java 17+ .
Extensive experience with
Spring Boot 3.x .
Strong understanding of
REST API development and integration .
Proven experience working with
Microservices Architecture .
Hands-on experience with AWS services:
Amazon ECS
Amazon EC2
Amazon RDS
Amazon CloudWatch
Experience with
GitLab CI/CD pipelines
and automation.
Knowledge of
Infrastructure as Code (IaC)
concepts.
Strong SQL skills with experience in
Oracle databases .
Experience in production application support and incident management.
Good understanding of Agile development methodologies.
Strong analytical and problem-solving skills.
Good to Have
Experience with container technologies such as Docker/Kubernetes.
Knowledge of cloud security best practices.
Experience with monitoring and logging tools.
Exposure to enterprise-scale applications and high-availability systems.
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Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global