Mid-Senior .NET Developer

## Company Overview DATACLAP DIGITAL (DataClap Digital Ventures LLP) is a forward-thinking company specializing in high-quality data annotation services. We’re committed to delivering exceptional value to our clients through a dedicated team, strong execution, and technology-driven solutions. ## Job Summary We are looking for a Mid-Senior .NET Developer to join our team in Coimbatore, India. This role is ideal for a hands-on engineer with 0–5 years of experience who can build and maintain reliable backend services and APIs, collaborate closely with frontend, product, and operations teams, and deliver secure, high-performance systems for internal and client-facing platforms. ## Key Responsibilities * Design, develop, and maintain backend applications and services using C# and .NET (Core/6/7+). * Build and maintain RESTful APIs, including request/response modeling, pagination, validation, and consistent error handling. * Implement business logic with clean architecture principles (layered architecture, SOLID), focusing on maintainability and scalability. * Work with databases (SQL Server preferred) to design schemas, write efficient queries, and optimize performance (indexes, query tuning). * Integrate with external systems/services (third-party APIs, internal services) and handle authentication/authorization flows. * Write clean, testable code with unit tests and basic integration test coverage where applicable. * Participate in code reviews, enforce coding standards, and contribute to backend guidelines and documentation. * Collaborate with frontend and QA teams to troubleshoot issues, validate fixes, and ensure release quality. * Support production deployments by debugging issues, analyzing root causes, and improving observability (logging/metrics/tracing). * Contribute to performance, reliability, and security improvements across services. ## Required Skills * Strong proficiency in C# and .NET (ASP.NET Core), including building APIs and backend services. * Good understanding of OOP, data structures, and common design patterns. * Experience with relational databases (SQL Server preferred) and ORM tools such as Entity Framework Core. * Solid understanding of HTTP, REST principles, and API security basics (authentication/authorization, input validation). * Familiarity with asynchronous programming (async/await), background processing, and concurrency basics. * Experience with Git-based workflows and collaborative development practices. * Ability to debug effectively and write maintainable, well-structured code. * Good communication skills and ability to collaborate across technical and non-technical teams. ## Good to Have * Experience with microservices concepts, message queues (RabbitMQ/Azure Service Bus), or event-driven patterns. * Exposure to cloud platforms (Azure/AWS) and deployment basics. * Experience with Docker and containerized development. * Familiarity with CI/CD pipelines (Azure DevOps, GitHub Actions, GitLab CI). * Knowledge of caching strategies (in-memory/Redis) and performance optimization techniques. * Experience with API documentation tools (Swagger/OpenAPI) and versioning strategies. * Understanding of secure coding practices (OWASP basics) and secrets/configuration management. ## Qualifications * Bachelor’s degree in Computer Science, IT, or a related field (or equivalent practical experience). * 0–5 years of software development experience with demonstrable .NET/C# projects (professional, freelance, or strong portfolio work). ## Why Join Us? * Opportunity to build impactful systems that support real-world data operations at scale. * Ownership and visibility: your work directly influences reliability, productivity, and delivery quality. * Collaborative, growth-oriented environment with room to learn, lead, and expand responsibilities. * Competitive compensation and a team culture focused on excellence and continuous improvement.