Vacancy title:
Senior Java Developer

[Type: FULL_TIME, Industry: Information Technology, Category: Computer & IT]

Jobs at:
QT Global Software Ltd

Deadline of this Job:
Monday, August 4 2025

Duty Station:
Rwanda | Kigali | Rwanda

Summary
Date Posted: Wednesday, July 30 2025, Base Salary: Not Disclosed

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JOB DETAILS:

We are looking for a Senior Java Developer with expertise in building scalable, high-performance backend systems. The ideal candidate will have strong experience in Java (Spring Boot, Quarkus), RESTful API development, encryption, and microservices deployment using tools like Docker and Kubernetes.

Responsibilities:

• Backend Development: Develop and maintain backend services using Java with frameworks like Spring Boot and Quarkus, ensuring high availability and performance.
• API Development: Design and develop robust, secure RESTful APIs for integration with frontend systems and other services.
• Encryption & Security: Implement encryption mechanisms (e.g., PGP, OpenPGP, AES, RSA, Elliptic Curve) to secure sensitive data and ensure secure communications.
• Authentication: Implement authentication protocols such as OAuth, OpenID Connect, JWT, and HMAC-OTP to secure API endpoints.
• Microservices & Deployment: Build and deploy microservices architectures using Docker and Kubernetes, ensuring seamless scalability and fault tolerance.
• Version Control: Utilize Git for version control, ensuring efficient collaboration and code management across teams.
• Collaboration: Work with cross-functional teams to ensure seamless integration, performance, and reliability of the entire application stack.

Qualifications:

• Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience).
• Minimum of 3-5 years of experience in backend development using Java (preferably with Spring Boot or Quarkus).
• Solid experience with RESTful API development and integration.
• Proficiency in implementing encryption techniques (e.g., PGP, AES, RSA) and authentication protocols (e.g., OAuth, JWT).
• Experience with microservices deployment using Docker and Kubernetes.
• Familiarity with Git for version control and collaborative development.

Additional Skills (Nice-to-Have):

• Experience with microservices architecture and distributed systems.
• Knowledge of security frameworks and encryption protocols.
• Familiarity with cloud platforms and containerization technologies.
• Experience with agile development methodologies.

Work Hours: 8

Experience in Months: 36

Level of Education: bachelor degree

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