Senior Java Developer

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

Job summary

Trinity-Consulting-Services-Pte.-Ltd. in Singapore seeks an experienced Java Developer to craft enterprise applications. You will work with Domain-Driven Design, microservices, and modern architectures using Spring Boot, JDK, Docker, Kubernetes, and OpenShift.

Responsibilities include building robust services, implementing design patterns, and collaborating in Agile/Scrum environments while leveraging GitLab CI/CD and ArgoCD for continuous delivery.

Qualifications

• Bachelor's degree or higher in Computer Science or related field.
• 8–10 years of experience as a Java Developer with enterprise app experience.
• Strong OO programming fundamentals.
• Experience with Domain Driven Design, including bounded contexts, aggregates, entities, value objects and domain models.
• Proficiency in Java Design Patterns (Singleton, Factory, Builder, Observer, Strategy).
• Experience with software architecture design (microservices, layered, event-driven).
• Hands-on with latest JDK and Spring Boot.
• Familiarity with Agile and Scrum methodologies.
• Experience with Docker, Kubernetes, and OpenShift.
• Knowledge of MongoDB, PostgreSQL, AWS S3.
• Experience with GitLab CI/CD and ArgoCD.
• Experience writing BDD tests with Cucumber/Gherkin.

Skills

Java

Spring Boot

Domain-Driven Design

Microservices

OO Principles

Docker

Kubernetes

OpenShift

GitLab CI/CD

ArgoCD

Gherkin

Cucumber

JDK Latest

PostgreSQL

MongoDB

AWS S3

Software Architecture

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

Kubernetes

OpenShift

GitLab CI/CD

ArgoCD

Cucumber

Gherkin

PostgreSQL

MongoDB

AWS S3

JDK

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).