Microservices & API Developer (Java)

DNA INFOTECH PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

A tech company in Singapore is seeking skilled Java Developers with 3 to 6 years of experience. Candidates will be responsible for full-cycle development of applications, focusing on areas such as internet banking and cash management. Strong experience in Java and related technologies is essential, along with effective communication and teamwork skills.

Qualifications

• 3 to 6 years of experience in Java development.
• Strong background in building scalable and secure applications.
• Experience with CI/CD pipelines and DevSecOps methodologies.

Responsibilities

• Develop and maintain enterprise-grade applications using Java.
• Design and implement microservices and APIs.
• Collaborate with cross-functional teams to gather requirements.

Skills

Java

Spring Boot

RESTful API development

Agile/Scrum

Microservices

Education

Bachelor’s/Master’s degree in Computer Science or related field

Tools

MySQL

MongoDB

Job description

Overview

We are seeking skilled and passionate Java Developers with 3 to 6 years of experience to join our growing team. The ideal candidate will have a strong background in building scalable, secure applications, ideally within the banking domain. You\'ll be responsible for full-cycle development including design, development, testing, and deployment, focusing on internet banking, cash management, payments, and customer onboarding modules.

Responsibilities

• Develop and maintain enterprise-grade applications using Java, Spring Boot, and related technologies.
• Design and implement microservices and APIs with secure authentication mechanisms (JWT/OAuth/OIDC).
• Collaborate with cross-functional teams to gather requirements, design robust solutions, and deliver high-quality code.
• Perform unit testing and participate in system/integration testing.
• Ensure applications are secure, scalable, and optimized for performance.
• Follow DevSecOps practices and integrate CI/CD pipelines for continuous delivery.
• Work in Agile/Scrum as well as Waterfall environments as per project requirements.

Technical Skills

• Strong experience in Java, J2EE, Spring Boot, Spring Security, Spring MVC, Spring Data JPA, Spring Batch, Spring Cloud.
• Build RESTful APIs, microservices, and backend logic using Java, Spring Boot, and related frameworks.
• Hands-on experience with RESTful API development and authentication protocols like JWT, OAuth, OIDC.
• Proficient in databases like MySQL, Oracle, MariaDB, and NoSQL databases such as MongoDB.
• Understanding of DevSecOps methodologies, CI/CD pipelines, and modern deployment practices.
• Familiarity with internet banking platforms, self-service channels, or cash management systems is a plus.
• Experience with automated unit testing and test-driven development.

Preferred Qualifications

• Bachelor’s/Master’s degree in Computer Science, Engineering, or a related field.
• Prior experience in the banking/financial services domain is highly desirable.
• Strong problem-solving, analytical thinking, and debugging skills.
• Excellent communication and teamwork skills.