HiringCafe
🏢 Offshore Consulting Shops

Unison Group (also known as Unison Consulting) is a technology consulting and services firm that specializes in providing specialized IT staff and systems integration for client projects in the banking and financial services sectors.

This company was flagged and excluded from default search results. Proceed with caution.

Unison Group
Posted 1mo ago

JAVA Backend Developer with API Expertise

Unison Group
unisongroup.comView all open roles
Singapore
OnsiteTemporary
Responsibilities
  • supporting systems
  • developing microservices
  • monitoring performance
Requirements
  • 8+ years Java backend experience with Java 17+
  • Spring Boot 3.x
  • Microservices and API development
  • AWS (ECS, EC2, RDS)
  • CI/CD (GitLab
  • CodeCommit
  • CodePipeline)
  • Docker/Kubernetes
  • Grafana/CloudWatch
  • Okta and MuleSoft experience preferred
Technical tools mentioned
Java 17Spring Boot 3.xDockerKubernetesECSEC2RDSGrafanaAWS CloudWatchGitLabAWS CodeCommitCodePipelineOktaMuleSoftSQLOracle

Job description

We are looking for a Senior Java Backend Engineer to support and enhance our API and microservices ecosystem in a cloud-native AWS environment. This role focuses on BAU (Business-As-Usual) support, ensuring system stability, performance, and continuous improvement of backend services.

• Provide BAU support for Java-based microservices and APIs, ensuring high availability and reliability

• Design, develop, and maintain scalable microservices using Java (17+) and Spring Boot (3.x)

• Manage and support cloud infrastructure on AWS (ECS, EC2, RDS)

• Monitor system performance and troubleshoot issues using tools like Grafana and CloudWatch

• Implement and maintain CI/CD pipelines using GitLab, AWS CodeCommit, and CodePipeline

• Collaborate with cross-functional teams to resolve production issues and

deploy enhancements

• Support integration with identity and access management systems (Okta)

• Work with MuleSoft for API integrations and middleware support

• Ensure adherence to best practices in coding, security, and performance optimization

• Participate in incident management, root cause analysis, and continuous improvement initiatives

Requirements

• Experience with containerization and orchestration (Docker, Kubernetes)

• Exposure to security best practices in cloud environments

• Familiarity with Agile/Scrum methodologies

• Strong problem-solving and analytical skills

• Ability to work in a fast-paced BAU support environment

 

ROLE PROFILE

• Excellent communication and stakeholder management skills

• Proactive mindset with ownership of production system

• 8+ years of experience in Java backend development

• Strong expertise in Java 17+ and Spring Boot 3.x

• Proven experience in building and supporting microservices and REST/GraphQL APIs

• Hands-on experience with AWS services: ECS, EC2, RDS

• Experience with Infrastructure as Code (IaC)

• Proficiency in CI/CD pipelines using GitLab, AWS CodeCommit, and CodePipeline

• Strong knowledge of SQL, Oracle and relational databases

• Experience with monitoring and logging tools such as Grafana and AWS CloudWatch

• 3+ years of experience with Okta for authentication/authorization

• 3+ years of experience with MuleSoft for API integration

Similar jobs

Java Backend Developer roles
1mo
Save
Mark Applied
Hide
Senior Java Backend Engineer — Asset & Earn
Hong Kong or Singapore
OnsiteFull Time
OKX
OKX: Global cryptocurrency exchange and Web3 digital wallet developer.
3+ YOE3+ years backend experience in financial or related industries. Proficient with Java, SpringBoot/SpringCloud, microservices, Kafka, Redis, Kubernetes, MySQL, Linux; experience with Codex/Claude Code; fluent in English and Mandarin.
Codex, Claude Code, Java, SpringBoot, SpringCloud, Kafka, Redis, Kubernetes, MySQL, Linux
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Java Backend Developer
Singapore
OnsiteFull Time
Reolink
Reolink: A provider of intelligent visual technology delivering advanced, reliable, user-focused security solutions for homes and businesses.
3+ YOEBachelor's or Master's in CS/Software Engineering, 3+ years Java development, strong CS fundamentals, Spring (Core/Boot/Security), AWS/Azure, Kafka/RocketMQ/Dubbo/Zookeeper/Redis, and MySQL expertise.
Java, Spring Core, Spring Boot, Spring Security, AWS, Azure, Kafka, RocketMQ, Dubbo, Zookeeper, Redis, MySQL
Job PostingView all
1mo
Save
Mark Applied
Hide
Squad Lead - Backend - Java
Singapore
OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Experienced software engineer with strong mastery of the software development lifecycle, ability to supervise technical teams, apply engineering judgment, and drive client-focused solutions.
Java
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Java Backend Developer
Braddell, Singapore, Singapore
OnsiteFull Time
NETS
NETS: Operates Singapore's national electronic payment and clearing infrastructure.
6+ YOEBachelor's degree in CS or related, 6+ years Java backend experience, strong Java (8+/21) and Spring Boot skills, microservices & event-driven architecture, Solace messaging, MySQL tuning, unit testing, CI/CD tooling.
Java 8+, Java 21, Spring Boot, Solace, MySQL, JUnit, Mockito, Maven, Git, Jira, Jenkins
Job PostingView all
11mo
Save
Mark Applied
Hide
12 months Contract - Java Backend Developer (Through an External Agency Payroll Provider)
Singapore, Singapore, Singapore
OnsiteContract
Julius Baer
Julius BaerSIX Swiss Exchange: BAER: Provides private banking and wealth management services globally.
5+ YOE5+ years backend Java development; Java, Spring/Spring Boot; API development; CI/CD; Unix basics; strong English communication.
Java, Spring, Spring Boot, JSON, JDBC, Maven, Unix, Bash
Job PostingView all
11mo
Save
Mark Applied
Hide
12 months Contract - Java Backend Developer (Through an External Agency Payroll Provider)
Singapore, Singapore
OnsiteContract
Julius Baer
Julius BaerSIX Swiss Exchange: BAER: Provides private banking and wealth management services to individuals.
5+ YOE5+ years software development experience; strong Java, Spring/Spring Boot; backend services, APIs; CI/CD; English proficiency; team player; agile environment; financial industry experience preferred.
Java, Spring, Spring Boot, JSON, JDBC, Maven, JMS, Unix/bash
Job PostingView all
1d
Save
Mark Applied
Hide
Back-end Java Developer (Spring Boot)
Singapore
HybridFull Time
EPAM Systems
EPAM SystemsNYSE: EPAM: Provides global digital platform engineering and software development services.
Java and Spring Boot development, REST APIs, microservices, SQL, ORM, automated testing, Git, Maven or Gradle, and CI/CD knowledge. Experience with Agile delivery is required.
Java, Spring Boot, Microservices, REST, Hibernate, Spring Data JPA, PostgreSQL, Oracle, MySQL, MariaDB, JUnit, Mockito, Git, Maven, Gradle, CI/CD, Kafka, RabbitMQ, SonarQube, Fortify, Nexus IQ, OpenShift, Kubernetes
Job PostingView all