Senior Java Developer

Trinity Consulting Services; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Trinity Consulting Services in Singapore seeks a seasoned Java Developer to build enterprise applications with modern patterns and domain models. You will work on microservices, Spring Boot, and data stores, applying Domain Driven Design to deliver robust software in a collaborative, agile environment.

The role requires 8–10 years of hands-on Java experience, strong knowledge of design patterns, and practical experience with Docker, Kubernetes, and OpenShift for deployment.

Qualifications

• {"text":"Must have 8-10 years of experience as a Java Developer with enterprise app development."}
• {"text":"Strong hands-on experience in Domain Driven Design and bounded contexts."}
• {"text":"Proficiency in Java Design Patterns (Singleton, Factory, Builder, Observer, Strategy)."}
• {"text":"Experience with microservices and event-driven architectures."}
• {"text":"Hands-on with the latest JDK and Spring Boot."}
• {"text":"Familiarity with Agile and Scrum methodologies."}
• {"text":"Experience with containerization and orchestration (Docker, Kubernetes, OpenShift)."}
• {"text":"Knowledge of databases (MongoDB, PostgreSQL, AWS S3)."}
• {"text":"Experience with GitLab CI/CD and ArgoCD for GitOps deployments."}
• {"text":"Experience writing BDD tests with Cucumber/Gherkin."}

Skills

Java Developer experience

OO fundamentals

Domain Driven Design

Java Design Patterns

Agile/Scrum

CI/CD pipelines

BDD testing

Docker

Kubernetes

OpenShift

GitLab

Databases (MongoDB, PostgreSQL, AWS S3

Education

Bachelor's degree or higher in CS/SE

Tools

Docker

Kubernetes

OpenShift

GitLab CI/CD

ArgoCD

MongoDB

PostgreSQL

AWS S3

Job description

• Bachelor'sdegree or higher in Computer Science, Software Engineering, or a relatedtechnical discipline.
• Musthave minimum 8-10 years of experience as a Java Developer, includingsignificant hands-on experience in enterprise application development.
• Solidexperience as a Java Developer with strong object-oriented programmingfundamentals.
• Experienceand comfort with Domain Driven Design, including bounded contexts, aggregates,entities, value objects and domain models.
• Proficiencyin Java Design Patterns (for example: Singleton, Factory, Builder, Observer,Strategy).
• Experiencein software architecture design (microservices, layered, event-drivenarchitectures).
• Hands-onexperience with the latest JDK and Spring Boot framework.
• Familiaritywith Agile and Scrum methodologies and sprint-based delivery.
• Experiencewith containerization and orchestration tools: Docker, Kubernetes, andOpenShift.
• Workingknowledge of databases and storage: MongoDB, PostgreSQL, and AWS S3.
• Experiencewith GitLab CI/CD pipelines and ArgoCD for GitOps-based deployments.
• Experiencewriting and maintaining BDD (Behavior-Driven Development) tests (for example:Cucumber, Gherkin).