Senior Java Developer

trinity consulting services pte. ltd.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Trinity Consulting Services Pte. Ltd. in Singapore is looking for an experienced Java/J2EE engineer to join our delivery team. You will design and implement distributed, microservices-based solutions, focusing on performance and reliability.

The role covers Spring Frameworks, Spark, Flink, Kafka, Elasticsearch, HBase, HDFS and MongoDB, plus Docker/Kubernetes deployment, CI/CD with Jenkins/GitLab, and TDD/BDD practices within Agile teams.

Qualifications

• 7-9 years of hands-on Java/J2EE development experience.
• Strong understanding of distributed platforms and microservices.
• Experience in solution design, patterns, anti-patterns and performance tuning.
• Hands-on with Spark, Flink, Kafka, Elasticsearch, HBase, HDFS, MongoDB.
• Proficient in Spring Frameworks including IOC, Spring Boot, Spring Integration.
• Experience with Docker and Kubernetes for deployment/orchestration.
• Familiar with CI/CD: Jenkins, GitLab, Artifactory, Nexus, Maven.
• Experienced in TDD/BDD with JUnit, Mockito, Cucumber.
• Strong software architecture understanding and design patterns.
• Led design and implementation of complex features.
• UML-based system design, development, testing, deployment and maintenance.
• Cash management domain knowledge.
• Agile/Scrum practitioner; strong communication/teamwork skills.
• Excellent problem solving and troubleshooting.

Responsibilities

• Collaborate on architecture and feature design.
• Lead implementation of critical components.
• Ensure code quality through TDD/BDD.
• Participate in deployment and monitoring activities.
• Mentor junior developers and promote best practices.

Skills

Java/J2EE

Distributed systems

Microservices

Pattern-based design

Spring Frameworks

CI/CD practices

TDD/BDD

JUnit/Mockito/Cucumber

Software architecture & design

UML

Agile/Scrum

Problem solving & troubleshooting

Communication & teamwork

Cash management knowledge

Tools

Spark

Flink

Kafka

Elasticsearch

HBase

HDFS

MongoDB

Docker

Kubernetes

Jenkins

GitLab

Artifactory

Nexus

Maven

JUnit

Mockito

Cucumber

Job description

• 7-9 years of hands-on experience in Java/J2EE development.
• Deep understanding of distributed platform & microservices architecture
• Solution design using proven patterns, awareness of anti-patterns, performance tuning
• Proficiency with technologies such as Spark programming, Flink, Kafka, Elasticsearch, HBase, HDFS, and MongoDB
• Profound knowledge in Spring Frameworks encompassing IOC, Sprint Boot, SpringIntegration & more
• Hands-onexperience in software deployment and orchestration technologies, includingDocker and Kubernetes
• Proficientin utilizing build and continuous integration services such as Jenkins, GitLab,Artifactory, Nexus and Maven
• Extensiveexperience working in TDD (Test-Driven Development) and BDD (Behavior-DrivenDevelopment) environments, utilizing unit testing frameworks such as JUnit,Mockito and Cucumber
• Strongunderstanding of software architecture, design patterns, and best practices.
• Provenexperience in leading the design and implementation of complex features andapplications.
• Verygood understanding of application system design, development, testing,deployment and maintenance using UML.
• Basiccash management functional knowledge.
• Proficiencyin Agile and Scrum working methodologies.
• Excellentproblem solving and troubleshooting skills.
• Effectivecommunication and teamwork skills.