Java API Engineer (POS-190)

About Us:

As a Java API Engineer at Kenility, you’ll join a tight-knit family of creative developers, engineers, and designers who strive to develop and deliver the highest quality products into the market.

Technical Requirements:

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• Advanced proficiency in Java programming, with deep knowledge of concepts such as concurrency, multi-threading, and memory management for building high-performance applications. 
• Proven experience in developing RESTful APIs using Spring Framework and Spring Boot, incorporating features like dependency injection, security, and microservices architecture.
• Strong command of ORM tools, particularly Hibernate and JPA, for efficient data mapping, query optimization, and entity lifecycle management. • Solid experience with Java Message Service (JMS) to implement asynchronous messaging in distributed systems.
• Expertise in designing and building scalable and maintainable RESTful web services following API best practices. 
• Proficient in developing thread-safe applications and managing concurrent processing to enhance system responsiveness.
• Skilled in handling transaction management using both programmatic and declarative approaches to ensure data integrity.
• Ability to create robust unit and integration tests using JUnit and Mockito to validate system behavior and ensure reliability.
• Experience managing build processes and dependencies through Maven. 
• Proficiency in Git for version control, including branching strategies and collaborative workflows.
• Familiarity with CI/CD pipelines to automate build, testing, and deployment stages. • Strong understanding of SQL for data querying and relational database management. 
• Comfortable working in Linux environments and writing shell scripts for automation and troubleshooting. 
• Knowledge of security best practices for APIs, including authentication, authorization, and data protection mechanisms. 
• Experience in optimizing API performance through load testing and performance tuning techniques. 
• Background working in agile teams, actively participating in iterative development processes and collaborative planning. 
• Minimum Upper Intermediate English (B2) or Proficient (C1).

Tasks and Responsibilities:

• Design, implement, and maintain robust and secure RESTful APIs using Java, Spring Framework, and Spring Boot. 
• Enhance database efficiency by managing interactions via ORM frameworks like Hibernate and JPA. 
• Build asynchronous messaging solutions with JMS to support scalable and decoupled system architecture. 
• Oversee complex transaction scenarios to uphold data consistency across services. 
• Develop automated unit and integration tests with JUnit and Mockito to assure code quality. 
• Use Maven for build automation and Git for version control management. 
• Collaborate with DevOps to integrate APIs into CI/CD pipelines for seamless deployments. 
• Participate in agile practices including sprint planning, daily stand-ups, and retrospectives. 
• Leverage Linux environments and shell scripting for task automation and system optimization.
• Apply security best practices throughout the API development lifecycle. 
• Conduct performance tuning and load testing to enhance API scalability and responsiveness.
•  Work cross-functionally with product, QA, and development teams to deliver comprehensive solutions.
• Keep up with industry trends and new technologies to continuously improve development processes.
• Provide guidance and mentorship to junior engineers and support knowledge-sharing initiatives.

Soft Skills:

• Responsibility
• Proactivity
• Flexibility
• Great communication skills