Top NET Developer Jobs in Mumbai

Develop and maintain backend enterprise applications using C# and .NET Framework. Design RESTful JSON APIs, integrate internal and third-party systems, and build scalable data-access solutions. Develop and optimize SQL Server queries, stored procedures, views, indexes, and database performance. Apply secure coding practices, conduct code reviews, troubleshoot production issues, contribute to technical designs, and responsibly validate AI-generated code.

Lead architecture and development of cloud‑native .NET microservices and high‑performance Web APIs. Drive AI adoption—design LLMs, agentic workflows, vector search/RAG, and AI‑augmented SDLC. Mentor senior engineers, own high‑impact technical decisions, optimise performance, and ensure secure, scalable delivery across the full SDLC in Finance/KYC domains.

Develop and maintain scalable cloud-native applications using .NET, C#, and Java or Python. Collaborate with cross-functional Agile teams, implement unit testing and TDD practices, maintain CI/CD pipelines, participate in code reviews, and use Git for version control. The role includes modernizing legacy .NET applications, designing database schemas, applying architectural patterns, and deploying solutions on Azure or Google Cloud Platform.

Intersoft seeks an experienced .NET Developer with 5-8 years in desktop application development and MS Office integration expertise.

Develop scalable product features and backend services using C# and .NET Core. Design RESTful APIs, optimize SQL Server interactions, and contribute to architecture, performance, reliability, testing, deployment, and technical decisions. Collaborate with product teams and customers to translate requirements into production-ready solutions. Troubleshoot complex issues, participate in code reviews, and build applications handling high traffic, large datasets, and demanding workloads.

Build and maintain scalable end-to-end applications supporting the Palantir engineering portfolio. Responsibilities include technical design, .NET full-stack development, production troubleshooting, system integration, testing, code quality, DevOps improvements, and mentoring engineers. The role partners with cross-functional and global teams to deliver reliable, maintainable software solutions and drive adoption of modern technologies and engineering practices.

Develop and maintain end-to-end full-stack applications using the .NET stack and modern web frameworks. Responsibilities include designing technical solutions, resolving production issues, integrating systems, improving development processes, enforcing code quality, testing, and collaborating with global cross-functional teams. The role also contributes to proofs of concept, technology evaluations, agile delivery, and knowledge sharing.

Build and enhance end-to-end business applications supporting the Palantir engineering portfolio. Responsibilities include designing, developing, testing, troubleshooting, and optimizing scalable .NET applications; collaborating with engineers, architects, product partners, and stakeholders; contributing to code and design reviews; improving DevOps and automation practices; resolving production issues; and mentoring less experienced team members.

Develop Windows-based automotive diagnostic applications using C#/.NET, WPF or WinForms, UDS, ISO-TP, CAN/CAN FD, and MVVM. Responsibilities include ECU diagnostics, firmware flashing, CAN hardware integration, UDS service implementation, checksum and CRC verification, and robust retry, timeout, and recovery handling. The role requires expertise in multithreaded software development, automotive communication protocols, and firmware formats.

Develop C#/.NET automotive ECU diagnostic applications using WPF. Implement UDS services under ISO 14229, work with CAN/CAN FD and ISO-TP, troubleshoot ECU communication, support flashing and programming, and analyze issues across diagnostic software, CAN networks, and ECUs.

Develop diagnostic desktop software for automotive ECU systems using C# and .NET. Build WPF or WinForms applications with MVVM, asynchronous programming, and multithreading. Implement and support UDS and ECU flashing functionality, integrating CAN, CAN FD, and ISO-TP communications through hardware APIs such as Vector XL, PCAN-Basic, Kvaser CANlib, Vehicle Spy, or NI-XNET.

Own and architect payment and billing infrastructure for a global fitness management platform. Responsibilities include integrating Stripe and Razorpay, processing webhooks, preventing duplicate charges, building .NET Core REST APIs, enforcing PCI-DSS through tokenization and credential vaulting, developing Kafka event-driven services, and optimizing MySQL data models and performance for a multi-tenant SaaS platform.

Own and develop scalable .NET Core backend services and REST APIs for a multi-tenant fitness platform. Responsibilities include MySQL schema and query optimization, Kafka event-driven integrations, secure API architecture, automated testing, technical leadership, code reviews, and solving complex backend problems. The role also involves responsible use of AI coding tools and collaboration supporting Angular and Flutter applications.

Develop and maintain complex .NET applications, primarily using C# and SQL, while supporting the full software development lifecycle. Responsibilities include system design, coding, unit and integration testing, version control, technical reviews, production support, incident troubleshooting, security reviews, and collaboration with IT teams to ensure system stability and maintainability. The role also requires JCL job development and participation in weekend or off-hours support rotations.

Leads end-to-end modernization from a monolith to microservices, including legacy analysis, architecture, estimation, data migration, deployment, and production support. Guides .NET services, databases, messaging, containerization, and frontend integrations. Acts as the technical escalation point for complex issues while improving Jira tracking, estimation accuracy, QA collaboration, release predictability, and engineering processes. Manages and develops the team through one-on-ones, performance reviews, feedback, and career-focused objectives.

Develop and support scalable full-stack web applications using .NET on the backend and Angular on the frontend. Responsibilities include delivering UI, API, and database features; integrating external services; resolving performance issues; deploying applications to Azure; writing maintainable code and unit tests; and participating in Agile ceremonies with cross-functional teams.

The Senior Software Engineer role involves developing software solutions using .NET technologies, with responsibilities including MVC, APIs, and integration with databases.

Hands-on full-stack engineer responsible for designing and developing backend services in .NET Core/C#, building Angular 12+ frontends, owning end-to-end features, engaging with clients to translate requirements, deploying containerized apps to cloud platforms, and maintaining CI/CD, code quality, and system design standards.

Join a global agile team to architect, design, develop, test, and support full-stack applications that consume, process, and transform large data sets. Own the full software lifecycle, improve performance, stability, and scalability, and redesign systems to add features and optimize processing at scale.

Lead design, build, deploy, and support scalable enterprise applications across full stack using C#, .NET, SQL Server, Angular, and Azure. Provide technical leadership, enforce engineering best practices, mentor teams, implement CI/CD and DevOps, ensure production stability, and collaborate with product and infrastructure stakeholders.

Design, develop, and maintain enterprise web applications using .NET (C#) and React. Participate in agile ceremonies, write clean scalable code, implement Azure-based solutions, integrate APIs (REST/SOAP), optimize performance, and write unit tests for UI and APIs. Collaborate cross-functionally and support CI/CD pipelines.

Hands-on Principal Engineer responsible for designing, developing, testing, and supporting cloud-native day-ahead and intra-day auctions software. Lead a small team (1-3), conduct code and design reviews, mentor engineers, participate in Agile ceremonies, drive best practices, and deliver high-quality, secure solutions on Azure using .NET and containerization.

Develop and deliver full-stack solutions: build Angular front-ends and .NET APIs, integrate with Azure services, ensure code quality and scalability, implement CI/CD, write reusable Angular components, perform API testing and version control.

Develop, test, and maintain software applications using .NET and C#, collaborate with teams, and improve development processes.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.