Java Developer

Join us as a Java Backend Developer to build scalable and secure backend systems for a smart fueling ecosystem. You'll contribute to the design and implementation of Spring Boot microservices, ensuring integration with message brokers, in-memory databases, and legacy systems.

Responsibilities:

• Backend Service Development:

Develop RESTful APIs and business services using Spring Boot and Java 21+.
Implement domain logic for smart card-based fueling operations.

•  System Integration:

Integrate with Kafka or MQTT message brokers, Redis caching layers, and relational databases.
Interface with front-end systems, embedded components, and smart terminals.

•  Code Quality & Documentation:

Write clean, well-documented, and testable code.
Participate in code reviews and maintain technical documentation.

• Performance Optimization:

Use profiling tools to identify bottlenecks and tune application performance.
Optimize Redis usage, database access, and message consumption.

• Debugging & Maintenance:

Diagnose production issues, monitor system logs, and support deployment activities.  

Requirements:

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• 4-6 years of hands-on experience in Java backend development.
• Experience with Spring Boot, REST APIs, and enterprise-level software.
• Exposure to Kafka or any message-oriented middleware.
• Familiarity with Redis or other in-memory data stores.
• Basic understanding of PostgreSQL, Oracle, or MySQL databases.
• Experience working in Linux environments is a plus.

Technical Competencies:

• Java & Spring Boot: Strong understanding of Spring Core, Data, Security, and Web modules.
• Messaging Systems: Ability to publish/consume Kafka topics and process streaming data.
• In-memory Databases: Familiarity with Redis for caching and session management.
• API Design: Proficient in designing REST APIs and using Swagger/OpenAPI.
• Testing: Experience with JUnit, Mockito, and integration testing.
• Version Control & CI: Proficient in Git and basic CI/CD processes.
• Linux Fundamentals: Comfortable using Linux commands and scripts for backend development and deployment.

Behavioral Competencies: 

• Analytical thinking and problem-solving mindset.
• Eagerness to learn and grow within the team.
• Effective collaboration and communication skills.
• Self-driven with attention to quality and reliability.