Senior Java Developer

Bitdeer Technologies Group; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

A leading technology firm in the blockchain sector seeks an experienced Java Backend Developer to enhance their integration capabilities and system efficiency. In this role, you will design scalable applications, maintain system health post-deployment, and ensure cross-platform data reliability. Joining Bitdeer means becoming part of a pioneering team committed to innovation and excellence in high-performance computing.

Qualifications

• 5+ years of experience in Java backend development.
• Strong fundamentals in programming and JVM performance tuning.
• Proficient in microservice frameworks and distributed systems.

Responsibilities

• Develop high-quality Java code and maintain core business modules.
• Integrate multiple enterprise systems and ensure data consistency.
• Lead API standards definition and implement secure communication.

Skills

Java backend development

API design

System integration

Microservices

Database design

SQL optimization

CI/CD workflows

Collaboration skills

Education

Bachelor's degree in Computer Science

Bachelor's degree in Software Engineering

Bachelor's degree in Information Management

Tools

Spring Boot

Spring Cloud

MySQL

Redis

Kafka

RocketMQ

Git

Maven

Docker

Job description

About Bitdeer：

Bitdeer Technologies Group (Nasdag: BTDR) is a leader in the blockchain and high-performance computing industry, lt is one of the world's largest holders of proprietary hash rate and suppliers of hash rate. Bitdeer is committed to providing comprehensive computing solutions for its customers.
The company was founded by Jihan Wu, an early advocate and pioneer in cryptocurrency who cofounded multiple leading companies serving the blockchain economy. Headquartered in Singapore, Bitdeer has deployed mining datacenters in the United States, Norway, and Bhutan. lt offers specialized mining infrastructure, high-quality hash rate sharing products, and reliable hosting services to global users. The company also offers advanced cloud capabilities for customers with high demands for artifcial inteligence Dedication, authenticity, and trustworthiness are foundational to our mission of becoming the world's mostreliable provider of full-spectrum blockchain and high-performance computing solutions. We welcome global talent to join us in shaping the future.

Job Description:

• Responsible for data integration and service orchestration across multiple enterprise systems, including but not limited to ERP, HR, Finance, Inventory, and Asset Management systems; ensure data consistency, stable API interaction, and business process reliability across platforms;
• Design and develop high-quality, maintainable, and scalable Java code for core business modules and middleware services; participate in technical reviews, code refactoring, and resolution of complex technical challenges;
• Continuously monitor system health and user feedback post-deployment, contributing to improvements in availability, usability, and operational efficiency of the platform;
• Take the lead or actively participate in defining API standards, managing service contracts, and implementing secure communication mechanisms in multi-system integration scenarios.

Job Requirement:

• Bachelor’s degree or above in Computer Science, Software Engineering, Information Management, or a related field;
• At least 5 years of experience in Java backend development, with strong programming fundamentals and JVM performance tuning skills;
• Proficient in microservice frameworks such as Spring Boot and Spring Cloud, with a solid understanding of distributed system architecture;
• Familiar with middleware such as MySQL, Redis, Kafka, and RocketMQ, with hands-on experience in database design and SQL optimization;
• Prior experience in office system integration, workflow engine development, or process customization is preferred;
• Experience with mainstream low-code platforms (e.g. Seeyon, slack, etc.) is a strong plus;
• Strong coding standards and engineering discipline, familiar with CI/CD workflows and tools like Git, Maven, and Docker;
• Excellent business acumen and cross-functional collaboration skills, with the ability to independently design and deliver complex modules.