Vacancy title:
Lead IT Developer

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

Jobs at:
Rwanda Revenue Authority

Deadline of this Job:
Friday, October 3 2025

Duty Station:
Rwanda | Kigali | Rwanda

Summary
Date Posted: Monday, September 29 2025, Base Salary: Not Disclosed

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JOB DETAILS:

Duty Station: RRA Head Quarter, Kigali, Rwanda
Duration: Initial 3 months (with possibility of extension)

1. Background

RRA is transitioning its core domestic tax systems from a monolithic architecture to a modern microservices-based architecture to improve system performance, scalability, integration capabilities, and maintainability. This transformation is critical to sustaining efficient tax administration and supporting digital transformation efforts.

2. Purpose of the consultancy

The Lead Developer will provide technical leadership in designing, developing, and deploying the microservices architecture. This role involves managing a team of backend, frontend, and full-stack developers, ensuring alignment with DevOps, security standards, and Agile methodology.

3. Key Responsibilities

✓ Lead the end-to-end development of the domestic tax system microservices, ensuring architectural consistency and code quality.
✓ Supervise, mentor, and coordinate the team of developers and testers.
✓ Guide the refactoring of monolithic modules into standalone microservices.
✓ Ensure integration of CICD pipelines, container orchestration (e.g., Docker, Kubernetes/Swarm), and version control.
✓ Collaborate with business analysts, DevOps, QA, and UI/UX designers to translate business requirements into scalable microservices.
✓ Lead technical decision-making on frameworks, libraries, tools (e.g., Spring Boot, GitLab, PostgreSQL/MySQL), and ensure their proper usage.
✓ Implement robust API designs following RESTful principles and ensure secure communication between services.
✓ Oversee code reviews, testing strategies (unit, integration), and documentation processes.
✓ Promote adoption of DevSecOps principles and ensure compliance with ISO27002:2022 cybersecurity controls.
✓ Assist in developer capacity-building and knowledge transfer to internal teams.
✓ Monitor system performance and troubleshoot complex issues during development and deployment.

4. Required qualifications skills and competences

✓ Bachelor’s Degree (or higher) in Computer Science, Software Engineering, or a related field.
✓ At least 5 years of experience in full-stack development, including leading technical teams.
✓ Proven experience in microservices architecture design and implementation.
✓ Strong hands-on knowledge of: Java/Spring Boot (Backend), JavaScript frameworks (VueJS, Angular, NodeJS), PostgreSQL, MySQL, or Oracle and Docker, GitLab, CICD tools.
✓ Familiarity with container orchestration (e.g., Docker Swarm or Kubernetes).
✓ Understanding of Event-sourcing, API Gateway, Service Discovery, and Configuration Services.
✓ Experience with monitoring tools (Grafana, Prometheus, Kibana, etc.).
✓ Strong knowledge of secure software development practices (OWASP Top 10).

5. Desired Skills and Competencies

✓ Excellent leadership, communication, and team management skills.
✓ Strong analytical and problem-solving abilities.
✓ Ability to work in a fast-paced, agile, and evolving technical environment.
✓ High integrity and attention to detail.

6. Deliverables

✓ Microservices developed and deployed per module schedule.
✓ Development documentation and API specifications.
✓ Code review reports and performance benchmarks.
✓ Knowledge transfer materials for internal capacity building.

Work Hours: 8

Experience in Months: 60

Level of Education: bachelor degree

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