Spring Boot Developer

Spring Boot Developer at Flex Tanzania – Apply by 21 August 2026

Flex Tanzania is seeking a qualified and experienced Spring Boot Developer to join its technology team in Dar es Salaam. The position focuses on developing secure, scalable, and reliable backend solutions for banking and payment platforms, making it suitable for a software developer with strong Java and Spring Boot experience.

The successful candidate will work on backend services, RESTful APIs, payment integrations, and microservices that support financial technology solutions. Candidates with experience in banking or fintech environments will have an added advantage.

About the Role

The Spring Boot Developer will be responsible for designing, developing, maintaining, and improving backend applications using Java and Spring Boot. The role requires a strong understanding of REST API development, payment gateway integration, databases, microservices, application security, and performance optimization.

The developer will contribute to building scalable financial technology systems while ensuring that backend services meet the required security, reliability, and performance standards.

Responsibilities

• Develop and maintain backend services using Java and Spring Boot.

• Design and implement RESTful APIs for banking and payment platforms.

• Integrate payment gateways and third-party financial services.

• Build and maintain microservices architectures for scalable applications.

• Develop reliable backend solutions for financial technology platforms.

• Ensure application security across banking and payment systems.

• Monitor and improve application performance.

• Work with databases to support backend applications and services.

• Troubleshoot and resolve backend application issues.

• Contribute to the continuous improvement of software systems and development practices.

Qualifications and Requirements

• Bachelor’s Degree in Computer Science or a related field.

• At least 2 years of experience in Spring Boot development.

• Strong proficiency in Java.

• Strong knowledge of Spring Boot.

• Experience developing RESTful APIs.

• Experience integrating payment gateways.

• Knowledge of microservices architecture.

• Knowledge of databases and database integration.

• Understanding of application security and performance requirements.

• Ability to develop scalable backend solutions.

• Banking or fintech experience is an added advantage.

Key Technical Skills

Candidates should ideally have practical experience with:

• Java

• Spring Boot

• REST APIs

• Microservices

• Payment Gateway Integration

• Databases

• Backend Development

• Application Security

• Performance Optimization

• Banking and Fintech Systems

Job Details

• Job Title: Spring Boot Developer

• Employer: Flex Tanzania

• Location: Dar es Salaam, Tanzania

• Employment Type: Full-Time

• Experience: 2+ years

• Salary: Negotiable

• Deadline: 21 August 2026

How to Apply

Interested candidates should send their CV to:

Applicants should ensure that their CV clearly highlights their Java, Spring Boot, REST API, payment integration, microservices, and database experience.

Final Thought

The Spring Boot Developer position at Flex Tanzania is a strong opportunity for a software developer interested in building financial technology solutions. Candidates with at least two years of Spring Boot experience and a solid background in Java, REST APIs, payment integrations, and microservices are encouraged to apply before 21 August 2026.