Senior Java Developer
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Summary
A senior Java developer in Singapore who designs, builds and maintains Spring Boot microservices, helps migrate legacy Big Data components to a target platform, and supports CI/CD (GitLab, ArgoCD/GitOps) and containerized deployments on Docker, Kubernetes and OpenShift, with BDD testing in Cucumber/Gherkin.
Key Responsibilities
Contribute to migration and modernization initiatives from legacy Big Data components to the target platform. Analyze existing data and service flows and translate functional requirements into maintainable technical solutions. Design, develop, test and maintain Java applications using object-oriented programming principles and clean coding standards. Develop and support applications using
Java and Spring Boot . Implement microservices, layered and event-driven architecture patterns. Develop and maintain BDD test scenarios and automation using
Cucumber and Gherkin . Participate in Agile/Scrum activities including sprint planning, development, delivery and continuous improvement. Containerize and deploy applications using
Docker, Kubernetes and OpenShift . Support CI/CD pipelines using
GitLab CI/CD
and GitOps deployment workflows using
ArgoCD . Conduct code reviews and contribute to coding standards and software quality improvements. Troubleshoot and resolve technical issues across development, integration and production environments. Collaborate with product, architecture and operations teams to deliver secure, scalable and reliable solutions. Support technical design decisions, mentoring and knowledge sharing within the engineering team. Requirements
Bachelor's degree or higher in Computer Science, Software Engineering or a related technical discipline. Proven experience as a
Java Developer
with strong hands-on experience in enterprise application development. Strong knowledge of
Object-Oriented Programming (OOP)
and Java development. Experience with
Domain-Driven Design (DDD)
concepts, including bounded contexts, aggregates, entities, value objects and domain models. Good understanding of Java design patterns such as Factory, Builder, Observer and Strategy. Experience designing and developing
microservices, layered and event-driven architectures . Hands-on experience with modern
JDK and Spring Boot . Experience working in
Agile/Scrum
environments. Hands-on experience with
Docker, Kubernetes and OpenShift . Working knowledge of
MongoDB, PostgreSQL and AWS S3 . Experience with
GitLab CI/CD
and
ArgoCD/GitOps
deployment practices. Experience with
BDD testing , including Cucumber and Gherkin. Strong understanding of secure coding, resiliency and production-readiness practices. Experience with code reviews, coding standards and software quality practices. Strong problem-solving and troubleshooting skills. Good written and verbal communication skills in English. Senior-Level Expectations
Lead or contribute to complex technical design decisions. Coordinate implementation activities across technical teams. Take ownership of critical migration and modernization workstreams. Identify and manage technical and delivery risks. Mentor team members and promote coding and engineering best practices. Work with architects and stakeholders on technical roadmaps and implementation strategies. Provide technical guidance during incidents, escalations and major design decisions. Drive quality across the development lifecycle from design through production deployment. Preferred / Advantageous Skills
Experience in
payments, finance or banking
domains. Exposure to Big Data technologies such as
Spark, Kafka or Hadoop . Experience using AI tools to improve development productivity, code quality or documentation. EA Number: 11C4879
Contribute to migration and modernization initiatives from legacy Big Data components to the target platform. Analyze existing data and service flows and translate functional requirements into maintainable technical solutions. Design, develop, test and maintain Java applications using object-oriented programming principles and clean coding standards. Develop and support applications using
Java and Spring Boot . Implement microservices, layered and event-driven architecture patterns. Develop and maintain BDD test scenarios and automation using
Cucumber and Gherkin . Participate in Agile/Scrum activities including sprint planning, development, delivery and continuous improvement. Containerize and deploy applications using
Docker, Kubernetes and OpenShift . Support CI/CD pipelines using
GitLab CI/CD
and GitOps deployment workflows using
ArgoCD . Conduct code reviews and contribute to coding standards and software quality improvements. Troubleshoot and resolve technical issues across development, integration and production environments. Collaborate with product, architecture and operations teams to deliver secure, scalable and reliable solutions. Support technical design decisions, mentoring and knowledge sharing within the engineering team. Requirements
Bachelor's degree or higher in Computer Science, Software Engineering or a related technical discipline. Proven experience as a
Java Developer
with strong hands-on experience in enterprise application development. Strong knowledge of
Object-Oriented Programming (OOP)
and Java development. Experience with
Domain-Driven Design (DDD)
concepts, including bounded contexts, aggregates, entities, value objects and domain models. Good understanding of Java design patterns such as Factory, Builder, Observer and Strategy. Experience designing and developing
microservices, layered and event-driven architectures . Hands-on experience with modern
JDK and Spring Boot . Experience working in
Agile/Scrum
environments. Hands-on experience with
Docker, Kubernetes and OpenShift . Working knowledge of
MongoDB, PostgreSQL and AWS S3 . Experience with
GitLab CI/CD
and
ArgoCD/GitOps
deployment practices. Experience with
BDD testing , including Cucumber and Gherkin. Strong understanding of secure coding, resiliency and production-readiness practices. Experience with code reviews, coding standards and software quality practices. Strong problem-solving and troubleshooting skills. Good written and verbal communication skills in English. Senior-Level Expectations
Lead or contribute to complex technical design decisions. Coordinate implementation activities across technical teams. Take ownership of critical migration and modernization workstreams. Identify and manage technical and delivery risks. Mentor team members and promote coding and engineering best practices. Work with architects and stakeholders on technical roadmaps and implementation strategies. Provide technical guidance during incidents, escalations and major design decisions. Drive quality across the development lifecycle from design through production deployment. Preferred / Advantageous Skills
Experience in
payments, finance or banking
domains. Exposure to Big Data technologies such as
Spark, Kafka or Hadoop . Experience using AI tools to improve development productivity, code quality or documentation. EA Number: 11C4879