Backend C#.NET Engineer II at Cavista

Job Description
We are looking for:

• We are seeking an experienced, innovative C# Backend Engineer passionate about building secure, scalable, high-performing financial solutions.
• You will play a key role in designing, developing, and maintaining the backend services and APIs that power financial products, digital payments, and customer experiences.
• Working closely with product, frontend engineering, QA, and other stakeholders, you will support in shaping the technical direction of our platform and drive engineering excellence.

Responsibilities
What will you do:

• Design, develop, test, and maintain scalable applications using C# and .NET technologies.
• Build and optimize high-performance APIs, microservices, and backend systems for fintech products.
• Develop solutions for payment processing, transaction management, reconciliations, settlements, and financial reporting.
• Participate in architecture discussions and contribute to technical design decisions.
• Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
• Write clean, maintainable, and well-documented code following industry best practices.
• Conduct code reviews and mentor junior engineers to ensure engineering excellence.
• Troubleshoot and resolve production issues while ensuring minimal downtime.
• Optimize system performance, scalability, and security.
• Contribute to CI/CD pipelines and DevOps practices to streamline software delivery.

Qualifications
What you bring:

• Bachelor's or Master's Degree in Computer Science, Software Engineering, or a related technical field.
• 5 years building mobile apps in fintech.
• Design, develop, test, and maintain scalable applications using C# and .NET technologies.
• Build and optimize high-performance APIs, microservices, and backend systems for fintech products.
• Develop solutions for payment processing, transaction management, reconciliations, settlements, and financial reporting.
• Participate in architecture discussions and contribute to technical design decisions.
• Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
• Write clean, maintainable, and well-documented code following industry best practices.
• Conduct code reviews and mentor junior engineers to ensure engineering excellence.
• Troubleshoot and resolve production issues while ensuring minimal downtime.

Regulatory Considerations:

• Implement backend controls supporting PCI-DSS and secure handling of sensitive input fields.
• Ensures consent flows and data collection UI comply with the Nigeria Data Protection Act (NDPA) 2023.