Senior Java Developer – Digital Banking & REST APIs

PT ABISHAR TECHNOLOGIES INDONESIA; Jakarta Pusat; On-site; IDR 200,000,000 - 450,000,000; Full time

Job summary

PT ABISHAR TECHNOLOGIES INDONESIA seeks an experienced Java Developer to join our engineering team in Jakarta. You will work on end-to-end feature development and fix complex bugs within modern banking environments.

Proficiency in Java 8+, Spring Boot, REST APIs, and SQL/NoSQL databases is required. Familiarity with Git, Maven/Gradle, testing, Docker, and cloud deployment will be essential as you collaborate across teams.

Qualifications

• Bachelor's degree in Computer Science, Informatics Engineering or similar major.
• 3-8 years of experience as Java Developer handling end-to-end features development and complex bug fixing.
• Strong in Java (8+) with solid understanding of OOP, SOLID principles, and design patterns.
• Experience building REST APIs using Spring Boot ecosystem (Spring MVC, Spring Data JPA/Hibernate, Spring Security).
• Proficient in relational databases (MySQL/PostgreSQL/Oracle), SQL, Indexing, ORM, and basic NoSQL (MongoDB/Redis).
• Familiar with Git workflow, Git, Git Flow, Code Review, Pull Request, unit testing (JUnit/Mockito), Unit & Integration Testing, and build tools (Maven/Gradle), as well as API testing (Postman/Insomnia) and IntelliJ/Eclipse.
• Has experience with middleware, REST API design, JSON, internal and third-party API integration.
• Has basic knowledge of Docker, CI/CD (Jenkins/GitLab CI/GitHub Actions), cloud deployment (AWS/GCP/Azure) and Logging & Monitoring.
• Strong communication, collaboration, time management, and adaptability, with additional value in microservices, messaging (Kafka/RabbitMQ), caching, and clean architecture.

Responsibilities

• Develop end-to-end Java features and fix complex bugs in banking-related projects.
• Build and maintain REST APIs using the Spring Boot ecosystem.
• Collaborate on design patterns, testing, and CI/CD implementation.
• Work with relational and NoSQL databases and cloud deployment practices.

Skills

Java

Spring Framework

REST API design

SQL

NoSQL

Git workflow

Unit testing

Maven/Gradle

CI/CD

Cloud deployment

Education

Bachelor's degree in Computer Science or related

Tools

Git

Maven

Gradle

Postman

IntelliJ

Eclipse

Jenkins

Job description

PT ABISHAR TECHNOLOGIES INDONESIA seeks an experienced Java Developer to join our engineering team in Jakarta. You will work on end-to-end feature development and fix complex bugs within modern banking environments.

Proficiency in Java 8+, Spring Boot, REST APIs, and SQL/NoSQL databases is required. Familiarity with Git, Maven/Gradle, testing, Docker, and cloud deployment will be essential as you collaborate across teams.