* Salário: R$ 3.000 a R$ 6.000 por mês (estimado)
* O valor exibido é uma estimativa calculada com base em dados públicos e referências do mercado. Não garantimos que este seja o salário oferecido para esta vaga específica.
Área: Tecnologia da Informação
Nível: Junior
At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Backend Developer to join one of our clients' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you.
In this role, you will be responsible for developing and maintaining critical data interfaces, working with both real-time data streams and high-volume batch processing systems. You will collaborate closely with cross-functional teams, including Business Analysts and Project Managers, to deliver robust solutions that support business needs, particularly within the evolving payments industry.
Key Responsibilities
- Design, develop, and maintain backend services and APIs.
- Build and support critical data interfaces, including low-latency real-time streams (APIs, messaging) and high-volume batch/file-based data transfers.
- Develop and maintain REST and GraphQL API integrations connecting frontend applications with backend services.
- Write clean, maintainable, and efficient code following best practices.
- Perform unit testing and ensure high code quality.
- Optimize applications for performance, scalability, and reliability.
- Implement robust error handling, caching, and data synchronization mechanisms.
- Troubleshoot and resolve complex technical issues with minimal supervision.
- Collaborate effectively with Business Analysts, Project Managers, and other development teams.
- Stay up to date with technologies and trends in the payments and fintech industry.
Requirements
- Bachelor’s degree in ICT, Computer Science, or a related field, or equivalent professional experience.
- Strong experience with Spring / Spring Boot.
- Solid expertise in SQL / PL-SQL.
- Hands-on experience with RDBMS databases such as Oracle or PostgreSQL.
- Experience building and integrating REST or GraphQL APIs.
- Strong understanding of backend architecture and data processing.
- Excellent problem-solving skills and attention to detail.
- Ability to work independently and manage tasks effectively.
- Strong English communication skills.
- Experience working in the payments or fintech industry.
Nice to Have
- Familiarity with messaging systems or real-time data processing.
- Experience with performance optimization and scalability improvements.