Lead Java Developer

United States Digital Space LLC; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

United States Digital Space LLC is seeking a Lead Java Developer to design and implement backend systems using Java, Spring Boot, Kafka, and microservices. The role includes mentoring junior developers and ensuring alignment with architectural standards.

The ideal candidate has 7+ years of backend experience in financial services, strong leadership, and expertise in CI/CD, Docker, and Kubernetes.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• 7+ years of backend development experience in banking or financial services.
• Certifications in Java, Spring, or Cloud technologies are advantageous.

Responsibilities

• Lead development of scalable backend applications using Java and Spring Boot.
• Implement event-driven architecture with Apache Kafka for real‑time streaming.
• Collaborate with Solution Architects to align backend design with enterprise architecture.

Skills

Java

Spring Boot

REST APIs

Hibernate/JPA

Kafka

CI/CD

Docker

Kubernetes

Git

Maven/Gradle

AWS/Azure

TDD/BDD

Microservices

Leadership

Agile/Scrum

Education

Bachelor’s degree in Computer Science

Job description

Role Summary

Lead Java Developer will design and implement backend systems focusing on Java, Spring Boot, Kafka, and microservices architecture. The role includes mentoring junior developers and ensuring alignment with architectural standards.

Key Responsibilities

• Lead development of scalable backend applications using Java and Spring Boot.
• Implement event-driven architecture with Apache Kafka for real-time streaming.
• Collaborate with Solution Architects to align backend design with enterprise architecture.
• Drive code reviews, enforce best practices, and ensure high-quality deliverables.
• Support CI/CD pipelines and containerization (Docker, Kubernetes).
• Mentor junior engineers and foster a DevOps culture.

Required Skills

• Java (8/11/17), Spring Boot, RESTful APIs, Hibernate/JPA.
• Hands‑on experience with Apache Kafka (including Kafka Streams).
• Git, Maven/Gradle, Jenkins, Docker, Kubernetes.
• Familiarity with cloud platforms (AWS/Azure).
• Experience with TDD/BDD, CI/CD, and microservices architecture.

Soft Skills

• Strong leadership and communication skills.

Ability to work in Agile/Scrum environments.

Preferred Qualifications

• Bachelor’s degree in Computer Science or related field.
• 7+ years of backend development experience in banking or financial services.
• Certifications in Java, Spring, or Cloud technologies are advantageous.