Full-Stack .NET Engineer

About the Role

Prepay Nation is seeking a hands-on Full-Stack .NET Engineer to design, develop, integrate, and support scalable business applications. This role involves coordinating with the CTO and collaborating with various stakeholders to understand business problems, clarify requirements, recommend practical technical solutions, and manage features from concept through production deployment and support. The successful candidate will thrive in an agile environment and be adept at communicating with diverse stakeholders, resolving complex integration issues, and utilizing modern development tools, including AI-assisted coding tools.

Key Responsibilities

• Coordinate regularly with the CTO to discuss requirements, technical priorities, delivery progress, dependencies, risks, and production issues.
• Collaborate with Operations, Support, Finance, business stakeholders, the Project Manager, Development Lead, and other engineering teams.
• Understand business and operational problems and convert them into clear technical requirements and practical solutions.
• Contribute to sprint planning and help prioritize work based on business impact, technical dependencies, and operational needs.
• Convert requirements and use cases into technical designs and working applications.
• Design, develop, test, deploy, and maintain scalable web applications using .NET and React.
• Develop secure APIs and integrations with internal systems, external platforms, and third-party services.
• Build rapid prototypes or proofs of concept when requirements or solution approaches need validation.
• Take end-to-end ownership of assigned features, from requirement clarification through production release and support.
• Write efficient, reusable, reliable, and maintainable code.
• Work with Operations and Support teams to investigate incidents, identify root causes, and implement sustainable solutions.
• Collaborate with Finance on applications, workflows, reporting, reconciliation, or integrations involving financial and transactional data.
• Identify performance bottlenecks, defects, and technical risks.
• Create automated unit and integration tests and participate in code reviews.
• Maintain technical documentation, including application design, APIs, integrations, deployment processes, and operational guidance.
• Ensure applications comply with company security, quality, performance, and engineering standards.
• Use AI-assisted development tools responsibly for activities such as prototyping, code generation, test creation, documentation, and troubleshooting.
• Review, test, and validate all AI-generated code before it is incorporated into an application.
• Clearly explain technical decisions, alternatives, risks, and trade-offs to technical and non-technical stakeholders.
• Stay current with relevant technologies and recommend improvements where appropriate.
• Perform other related duties as assigned.

Preferred Qualifications

• Experience with Azure services such as App Service, Azure Functions, Azure SQL, Service Bus, Key Vault, Application Insights, or Azure DevOps.
• Experience with Docker or other container technologies.
• Understanding of application security, authentication, authorization, and secure API development.
• Experience with observability, logging, monitoring, and production support.
• Experience using AI coding assistants such as GitHub Copilot, ChatGPT, Claude, or similar tools within a professional development workflow.
• Ability to create prototypes and validate solutions directly with business and operational stakeholders.
• Experience working with reporting, reconciliation, financial workflows, or transaction-processing systems.
• Experience working in fintech, payments, prepaid products, or transaction-processing systems (is an advantage).