Senior Java Backend Architect: Spring Boot, Kafka & Cloud

EXASOFT CONSULTING PTE. LTD.; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

EXASOFT CONSULTING PTE. LTD. seeks a senior backend engineer to lead the design and development of enterprise applications using Java, Spring Boot, and microservices. You will ensure high performance, scalability, and maintainability in cloud environments.

You will build RESTful APIs, enable secure communication between systems, and implement Kafka-driven event integrations. You will containerize with Docker/Kubernetes, deploy on AWS/Azure, and drive CI/CD while mentoring junior developers.

Qualifications

• 7+ years in software development, backend engineering, and enterprise app integration.
• Strong hands-on Java/J2EE and Spring Boot experience.
• Proven microservices and distributed systems design and development.
• RESTful API development, integration, and SOA.
• Pattern-based design, clean code, and solid architecture.
• Hibernate/JPA with PostgreSQL or MariaDB.
• Kafka and event-driven architectures.
• AWS and Azure deployment experience.
• Docker and Kubernetes for containerization/orchestration.
• Spring Cloud and OpenAPI for API docs.
• CI/CD with Jenkins or GitLab CI/CD; Maven.
• OAuth, secure coding, OWASP, PCI security standards.
• Unit and integration testing; TDD.
• React/frontend-backend integration.
• Performance, scalability, reliability, and production support.
• Strong leadership, analytical thinking, problem-solving, teamwork.
• Java certification preferred.

Responsibilities

• Lead design and development of enterprise apps using Java/Spring Boot.
• Design and implement microservices for distributed systems.
• Translate business needs into scalable backend designs.
• Develop and integrate RESTful APIs for secure inter-system comms.
• Establish coding standards and reusable design patterns.
• Optimize data access with Hibernate/JPA and database techs.
• Design event-driven integrations using Apache Kafka.
• Drive cloud development and deployment on AWS and Azure.
• Manage Docker/Kubernetes containerization and deployment.
• Collaborate with frontend teams to integrate React with backend services.
• Identify risks, troubleshoot complex issues, improve reliability.
• Implement automated testing and CI/CD for quality and efficiency.
• Ensure security best practices and PCI-related standards.
• Provide technical guidance, code reviews, and mentoring.

Skills

Java/J2EE

Spring Boot

Microservices

REST API design

Hibernate/JPA

PostgreSQL

Kafka

AWS

Azure

Docker

Kubernetes

CI/CD

OAuth security

Unit/Integration testing

OpenAPI

React integration

Tools

Maven

Job description

EXASOFT CONSULTING PTE. LTD. seeks a senior backend engineer to lead the design and development of enterprise applications using Java, Spring Boot, and microservices. You will ensure high performance, scalability, and maintainability in cloud environments.

You will build RESTful APIs, enable secure communication between systems, and implement Kafka-driven event integrations. You will containerize with Docker/Kubernetes, deploy on AWS/Azure, and drive CI/CD while mentoring junior developers.