Senior Java Developer

cornerstone global partners pte. ltd.; Singapore; On-site; SGD 180,000 - 250,000; Full time

Job summary

Cornerstone Global Partners is seeking a Senior Java Developer in Singapore to design, build and maintain enterprise-grade Java applications. You will work across the stack including Spring Boot, Hibernate, microservices and RESTful APIs, with emphasis on scalable, event-driven and cloud-native solutions.

Strong Oracle SQL skills and Kafka messaging are required, with frontend work in Angular as needed. The role requires extensive experience (12+ years) in enterprise software and a collaborative

Qualifications

• Minimum 12 years of experience in Java development or enterprise app engineering.
• Strong proficiency with Java, Spring Boot and Hibernate ORM.
• Extensive experience with Microservices architecture and distributed systems.
• RESTful API development and system integration experience.
• Experience implementing Event-Driven Architecture and asynchronous processing.
• Strong experience with AWS cloud services and cloud-native development.
• Solid knowledge of SQL and Oracle databases, with design and performance tuning.
• Hands-on experience with Apache Kafka for messaging and integration.
• Frontend experience with Angular/JavaScript is a plus and familiarity with Agile/Scrum.

Responsibilities

• Design, develop and maintain enterprise-grade Java applications for scalability and performance.
• Develop backend solutions using Microservices to support high-volume transactions.
• Design, develop and integrate RESTful APIs for secure inter-application communication.
• Implement Event-Driven Architecture and asynchronous processing for responsiveness.
• Design, deploy and maintain cloud-native apps using AWS services for availability.
• Manage database development and operations with SQL and Oracle, including tuning.
• Implement messaging and integration using Kafka for real-time data exchange.
• Develop and maintain frontend components using Angular, JavaScript and AJAX.
• Participate in Agile/Scrum ceremonies and collaborate with cross-functional teams.

Skills

Java

Spring Boot

Hibernate ORM

Apache Kafka

Event-Driven Architecture

Microservices

Distributed Systems

AWS

Oracle

Angular

Tools

Oracle

Job description

Senior Java Developer

Key Technologies: Java, Spring Boot, Hibernate ORM, Apache Kafka, Event-Driven Architecture, Microservices, Distributed Systems, AWS, Oracle, Angular

Responsibilities

• Design, develop and maintain enterprise‑grade applications using Java, Spring Boot and Hibernate ORM, ensuring scalability, performance and maintainability.

• Develop and enhance backend solutions using Microservices Architecture and Distributed Systems to support high‑volume transaction processing.

• Design, develop and integrate RESTful APIs to facilitate secure and efficient communication between enterprise applications.

• Implement Event-Driven Architecture and asynchronous processing mechanisms to improve system responsiveness, scalability and reliability.

• Design, deploy and maintain cloud‑native applications using AWS services, ensuring high availability and operational efficiency.

• Manage database development and operations using SQL and Oracle, including data modelling, query optimisation and performance tuning.

• Implement messaging and system integration solutions using Apache Kafka to enable reliable data exchange and real‑time event processing.

• Develop and maintain frontend components using Angular, JavaScript and AJAX to support application functionality and user experience.

• Participate in Agile/Scrum development activities, including technical design, code reviews, debugging and collaboration with cross‑functional teams.

Requirements

• Minimum 12 years of experience in Java Development, enterprise application engineering or software development.

• Strong proficiency in Java, Spring Boot and Hibernate ORM.

• Extensive experience designing and developing Microservices Architecture and Distributed Systems.

• Strong hands‑on experience in RESTful API development and system integration.

• Proven experience implementing Event-Driven Architecture and asynchronous processing mechanisms.

• Strong experience with AWS cloud services and cloud‑native application development.

• Solid knowledge of SQL and Oracle databases, including database design, data modelling and performance optimisation.

• Hands‑on experience with Apache Kafka for messaging, event streaming and system integration.

• Experience developing frontend applications using Angular, JavaScript and AJAX.

• Familiarity with Agile/Scrum methodologies, technical solution design, code reviews and collaborative software development.
  

  Cornerstone Global Partners (EA LicenseNumber: 19C9859) is an affirmative equal‑opportunity employer and recruitment firm. We evaluate qualified applicants without regard to race, colour, religion, creed, gender, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.