Remote Senior Backend Developer for FinTech

Job Title: Remote Senior Backend Developer (FinTech / API Integration) We are hiring a Remote Senior Backend Developer to design and build scalable backend systems and API integrations for a FinTech platform. Responsibilities: Develop backend services using Java (Spring Boot) Build and maintain REST & SOAP APIs Integrate with third-party systems (mobile operators, e-wallets, EMIs, payment providers) Work with Oracle databases (design, optimization, migrations) Ensure security, scalability, and performance of backend systems Support and improve existing mobile money / FinTech platforms Handle deployment, testing (UAT), and production releases Maintain API documentation and technical records Requirements: Strong experience in Java + Spring Boot backend development Experience in API development and system integration Solid knowledge of Oracle or relational databases Experience with FinTech, payments, or digital wallets is a plus Ability to work independently in a remote environment Strong problem-solving and system design skills Work Type: Remote / Freelance Engagement: Project-based or long-term collaboration (flexible)