Full Stack Developer (ASP.NET Core & React.js)

About the role

A full-time, on-site Full Stack Developer position in Karachi, Pakistan, focused on building secure, scalable fintech and digital platform applications such as Digital Wallet, Payment Gateway, Loan Origination System, ECR and Procurement solutions. The role covers the entire software development lifecycle, from backend services and microservices to React frontends, and involves close collaboration with product, QA, DevOps and other engineering teams.

Key responsibilities

• Design, develop and maintain backend services and APIs with ASP.NET Core and C#
• Build microservices and service-to-service integrations, and event-driven workflows with Apache Kafka
• Develop data access layers with Entity Framework Core and maintain PostgreSQL schemas, indexes and queries
• Build and maintain React.js frontend features and integrate them with REST APIs, including authentication and authorization
• Write unit tests for backend logic and support CI/CD pipelines, code quality checks and containerized deployments with DevOps
• Participate in code reviews, technical design and estimation, and maintain technical documentation

Required profile

• Bachelor's degree in Computer Science, Software Engineering or a related field
• 3-7+ years of professional software development experience
• Experience in Agile/Scrum teams, debugging and communication skills
• Fintech, banking, payments or regulated environment experience preferred

Required skills

• C#, ASP.NET Core, REST API design and microservices
• Apache Kafka or a comparable event-streaming platform (Kafka strongly preferred)
• Entity Framework Core, LINQ, PostgreSQL and SQL
• React.js, JavaScript/TypeScript, hooks and component-based development
• xUnit, NUnit or MSTest, Git, Docker and CI/CD pipelines