This is a job opening for an ICT Officer II specializing in Software Development (Backend) at the Mamlaka ya Udhibiti Ununuzi wa Umma (PPRA).

Responsibilities or duties

• To participate in the analysis, design, development, testing, deployment and maintenance of secure and scalable backend applications, web services and microservices;
• To develop backend services using Java and Spring Boot, including RESTful APIs, GraphQL schemas, queries and mutations; Integrate internal and external systems using Spring Cloud OpenFeign, APIs, RabbitMQ and other asynchronous or event-driven communication mechanisms;
• To design, develop and optimize PostgreSQL databases using SQL, indexing, Spring Data JPA and Hibernate; Implement backend security, caching, testing, API documentation and performance optimization using technologies such as Spring Security, OAuth2, JWT, Redis, JUnit, Testcontainers, Swagger/OpenAPI and Postman; and Use Git-based repositories, CI/CD pipelines and containerized deployment environments, prepare technical documentation; and
• To perform any other official duties assigned by the supervisor.

Qualifications or requirements

Holder of a Bachelor’s Degree in Computer Science, Software Engineering, Information Technology, Information Systems, Computer Engineering from a recognized higher learning institution. The candidate should possess practical project experience or a demonstrable software development portfolio and have: Strong proficiency in Java 21 or above, modern object-oriented programming and backend development using Spring Boot, Spring Data JPA and Hibernate; Practical experience in REST APIs, GraphQL, Spring Cloud OpenFeign, PostgreSQL, RabbitMQ, asynchronous processing, event-driven architecture, Git and basic CI/CD pipelines; and Knowledge of Kubernetes, Redis, Spring Security, OAuth2, JWT, JUnit 5, GraphiQL and Postman will be an added advantage.

• Participate in the analysis, design, development, testing, deployment and maintenance of secure and scalable backend applications, web services and microservices.
• Develop backend services using Java and Spring Boot, including RESTful APIs, GraphQL schemas, queries and mutations.
• Integrate internal and external systems using Spring Cloud OpenFeign, APIs, RabbitMQ and other asynchronous or event-driven communication mechanisms.
• Design, develop and optimize PostgreSQL databases using SQL, indexing, Spring Data JPA and Hibernate.
• Implement backend security, caching, testing, API documentation and performance optimization using technologies such as Spring Security, OAuth2, JWT, Redis, JUnit, Testcontainers, Swagger/OpenAPI and Postman.
• Use Git-based repositories, CI/CD pipelines and containerized deployment environments.
• Prepare technical documentation.
• Perform any other official duties assigned by the supervisor.

• Java 21 or above
• Object-oriented programming
• Backend development
• Spring Boot
• Spring Data JPA
• Hibernate
• REST APIs
• GraphQL
• Spring Cloud OpenFeign
• PostgreSQL
• RabbitMQ
• Asynchronous processing
• Event-driven architecture
• Git
• CI/CD pipelines
• Kubernetes (advantage)
• Redis (advantage)
• Spring Security (advantage)
• OAuth2 (advantage)
• JWT (advantage)
• JUnit 5 (advantage)
• GraphiQL (advantage)
• Postman (advantage)

• Bachelor’s Degree in Computer Science, Software Engineering, Information Technology, Information Systems, Computer Engineering from a recognized higher learning institution.
• Practical project experience or a demonstrable software development portfolio.