Senior Java Backend Developer at Unison Group

Singapore, , Singapore -

Full Time

Start Date

Immediate

Expiry Date

20 Sep, 26

Salary

0.0

Posted On

22 Jun, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Java 17+, Spring Boot 3.x, REST API, Microservices Architecture, AWS, GitLab CI/CD, Oracle Database, SQL, Infrastructure as Code, Production Support, Amazon ECS, Amazon EC2, Amazon RDS, Amazon CloudWatch, Agile, Docker/Kubernetes

Industry

Business Consulting and Services

Description

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.

Responsibilities

Design and develop scalable backend applications using Java 17 and Spring Boot 3 within a microservices architecture. Manage AWS cloud deployments and provide production support including root cause analysis for business-critical systems.