Senior Full-stack Developer (.Net + React)

Luxoft; Pune District; On-site; INR 3,500,000 - 7,000,000; Full time

Job summary

Luxoft is seeking a talented Senior Full Stack Developer with strong C# .NET and React skills to join our Pune-based team. You will design, develop, and maintain cloud-hosted APIs and backend services, and build web applications hosted in Azure.

You will work across front-end and back-end components, ensure performance and reliability, write unit and integration tests, and collaborate with cross-functional teams to deliver high-quality software.

Qualifications

• 8+ years of experience as a Senior Full Stack Developer (.NET & React).
• Strong React/TypeScript experience (18+ yrs, hooks, state mgmt).
• Solid .NET Core (8+), ASP.NET Core, SignalR, EF Core, async patterns.
• Azure experience with App Services/Web Apps/Functions.
• Relational DB experience (SQL Server).
• Unit testing with XUnit/NUnit/Jest/Vitest.
• Analytical problem-solving and independent learning.

Responsibilities

• Back-End Development: build server-side logic using .NET and REST APIs.
• Front-End Development: create rich UIs with React 18+ and ensure performance.
• Full Stack Integration: seamless frontend-backend integration.
• Code Quality: write clean, maintainable code with best practices.
• Testing: develop unit and integration tests for frontend and backend.
• Continuous Improvement: stay updated with latest technologies.
• Deployments: support frequent, automated deployments.
• Production stability: assist with L3 production support and remediation.
• Testing principles: apply modern testing methodologies and tools.
• Debugging: diagnose and resolve technical issues efficiently.
• Team collaboration: work with cross-functional teams and stakeholders.

Skills

React

TypeScript

C# / .NET

Azure

SQL

Unit Testing

CI/CD

Problem Solving

Tools

ASP.NET Core

SignalR

EF Core

Jest/Vitest

Vite

TanStack

Tailwind CSS

Terraform

GitLab

Jenkins

TeamCity

Job description

We are seeking a talented and motivated Software Engineer with a strong focus on C# and React to join our team. You need to have extensive experience working on cloud-hosted APIs, backend services, and web application technologies. You will be responsible for designing, developing, and maintaining both existing front-end and back-end components, as well as creating new applications and APIs hosted in Azure. You will play a critical role in ensuring the performance, reliability, and quality of our software products at the bank, as well as building new applications and features.

Responsibilities:

• Back-End Development: Developing server-side logic using .NET technologies, creating REST APIs, and integrating with databases.
• Front-End Development: Building rich user interfaces using React 18+ and ensuring a stable, performant, and responsive user experience.
• Full Stack Integration: Ensuring seamless integration between front-end and back-end components.
• Code Quality: Writing clean, maintainable, and efficient code following best practices and coding standards, utilizing AI coding assistants.
• Testing: Create and expand unit and integration tests for both frontend and backend code.
• Continuous Improvement: Staying up to date with the latest industry trends and technologies with a growth mindset of continuously improving skills and knowledge.
• Deployments: ensure stability through frequent and automated deployments.
• Production stability: Assist with L3 production support/issue investigation and remediation.
• Strong understanding of software testing principles, methodologies, and tools.
• Proficiency in analyzing, debugging, and solving technical issues.
• Team player with excellent communication skills to work effectively with cross-functional teams and business stakeholders.

Mandatory Skills Description:

• A minimum of 8 years of experience is required as a Senior Full Stack Developer (.NET & React).
• React / TypeScript: Strong experience with 18+ and its core principles, including state management, hooks, and component lifecycle. Experience with Vite, TanStack, and Tailwind CSS.
• C# .NET: Solid understanding of .NET Core (8+), including ASP.NET Core, Signal R, EF Core, and concurrency via multithreading and async/await patterns.
• Azure: Experience creating/deploying/troubleshooting App Services such as Web Apps and Functions (AZ Signal R nice to have).
• Relational Database Knowledge: Experience with SQL databases, such as SQL Server or Sybase.
• Unit Testing: TDD-driven development with XUnit, NUnit, and/or Jest/Vitest.
• Problem-Solving Skills: Strong analytical and problem-solving abilities with the ability to independently investigate/evaluate new technologies/libraries.

Nice-to-Have Skills Description:

• Advanced experience with relational databases such as SQL Server, with the ability to design and optimize/tune while maintaining stability/data consistency.
• AI experience with machine learning, NLP, model training, Copilot, MCP servers, etc.
• Experience with CI/CD platforms such as Jenkins, GitLab, and TeamCity.
• Experience with deployments via Terraform and GitLab pipelines.