Java Developer

Position: Java Developer
Location: Colombia
Work Model: Full time remote

Experience Required: 4-7 years

Summary
Abacus is hiring an experienced Java Developer to design, develop, and deploy high-volume, low-latency microservices. The ideal candidate should be self-motivated, comfortable communicating with clients, and skilled in Spring Boot, Spring Cloud, PostgreSQL, and event-driven systems using Apache Kafka.

Key Responsibilities

• Design, develop, and deploy microservices using Spring Boot and the Spring Framework.
• Build and optimize data persistence layers using JPA/Hibernate with PostgreSQL.
• Develop and integrate RESTful APIs.
• Implement distributed, event-driven systems using Apache Kafka.
• Improve application performance using caching (Spring Cache, Caffeine).
• Work with Spring Cloud for service discovery, API gateways, and circuit breakers.
• Manage configurations through Spring Cloud Config.
• Explore and integrate low-code/no-code (LCNC) solutions where relevant.
• Collaborate with product managers, designers, and engineers to deliver high-quality features.
• Participate in code reviews, testing, and debugging.
• Troubleshoot and resolve complex production issues.
• Lead and guide junior developers when required.

Required Technical Skills

• Strong proficiency in Java development.
• Extensive experience with Spring Boot, Spring Cloud, and microservices architecture.
• Hands-on experience with Apache Kafka.
• Expertise in JPA/Hibernate and PostgreSQL with advanced SQL skills.
• Good understanding of transactional management (@Transactional) and ACID compliance.
• Experience designing and consuming RESTful APIs.
• Familiarity with Spring Cache and Caffeine for caching.
• Understanding of LCNC platforms for business process automation.
• Experience with Git and CI/CD pipelines.

General Skills

• Experience leading development teams.
• Strong client communication skills.
• Self-motivated and able to manage work independently.
• Good time management and attention to detail.