Junior .Net developer

Sonata Software; Maharashtra; Hybrid; INR 600,000 - 1,200,000; Full time

Job summary

Sonata Software in Pune seeks a Junior .NET Full Stack Developer to join as an IC contributor. You will work on React.js front ends and .NET/C# back ends to implement features, write tests, and learn modern practices in a hybrid setup.

The role requires 3–5 years of experience, solid React and .NET skills, SQL Server proficiency, and a willingness to adopt AI-assisted tools like Cursor and GitHub Copilot to boost delivery.

Qualifications

• 3–5 years of professional software development experience.
• Strong React.js understanding with modern components and hooks.
• Solid .NET / C# knowledge with exposure to .NET 10 or willingness to learn.
• Proficiency in SQL Server and relational databases.
• Experience building REST APIs and full-stack web apps.
• Familiarity with AI-assisted coding tools and desire to adopt them.
• Good debugging, problem-solving, and collaborative skills.
• Clear communication and ability to learn from seniors.

Responsibilities

• Build and maintain features across React.js front ends and .NET back ends under guidance.
• Write clean, tested, and well-documented code for defined tickets.
• Utilize AI-assisted development tools as part of daily workflow.
• Participate in code reviews and improve engineering practices.
• Collaborate with QA/SDET teams to fix defects and improve test coverage.
• Learn portfolio applications and contribute to bug fixes and small enhancements.
• Maintain parity with legacy system behavior where required.
• Develop and maintain automated tests and perform regression testing.
• Work with senior engineers to understand requirements and approaches.

Skills

React.js

.NET / C#

SQL Server

REST APIs

Full-Stack Development

Relational Databases

Basic State Management

Debugging

AI-Assisted Development Tools

Communication

Tools

Cursor

GitHub Copilot

Windsurf

Job description

Job Title - Junior .NET Full Stack Developer

Location - Pune | Hybrid

Experience - 3–5 Years

Primary Skills - React.js, .NET / C#, SQL Server, REST APIs & Full-Stack Development

About The Role

This is a hands-on Individual Contributor (IC) role for someone early in their career who is eager to learn a modern technology stack, develop strong engineering practices, and become comfortable using AI-assisted development tools as part of their daily delivery.

Roles And Responsibilities

• Build and maintain features across React.js front ends and .NET 10 (C#) back ends , under the guidance of senior engineers.
• Write clean, tested, and well-documented code for well-scoped tickets and features.
• Use AI-assisted development tools such as Cursor, GitHub Copilot, or similar tools as part of the day-to-day development workflow.
• Participate in code reviews by both giving and receiving feedback to develop strong engineering practices.
• Work with QA/SDET teams to fix defects and improve test coverage for developed features.
• Learn the portfolio's applications and contribute to bug fixes and small enhancements across business units.
• Maintain parity with legacy system behavior where required.
• Develop and maintain automated tests and perform regression testing against existing systems.
• Collaborate with senior engineers and architects to understand technical requirements and implementation approaches.

Qualifications & Required Skills

• Up to 6 years of professional software development experience .
• Good understanding of React.js , including components, hooks, and basic state management.
• Good understanding of .NET / C# , with exposure to .NET 10 or willingness to learn and ramp up quickly.
• Good understanding of SQL Server and relational databases , including reading queries, understanding existing tables, and testing against development databases.
• Good understanding of REST APIs, relational databases , and full-stack web application architecture.
• Hands-on exposure to AI-assisted development tools such as Cursor, GitHub Copilot, Windsurf , or similar tools, or strong willingness to adopt them.
• Good debugging and problem-solving skills with the ability to ask relevant questions when required.
• Clear communication skills and a collaborative attitude.
• Ability to work effectively with and learn from senior engineers.

Mandatory Skills

• React.js
• .NET / C#
• SQL Server
• REST APIs
• Full-Stack Web Development
• Relational Databases
• Basic State Management
• Debugging & Troubleshooting
• AI-Assisted Development Tools

Good To Have Skills

• Exposure to legacy .NET Framework or Web Forms .
• Academic or personal projects involving React.js and/or .NET .
• Exposure to Git-based development workflows .
• Basic understanding of CI/CD pipelines .
• Interest in application modernization and migration projects.
• Experience with automated testing and regression testing.

About Sonata Software

Sonata Software is an AI-first modernization engineering company that helps enterprises transform legacy systems into intelligent, scalable business platforms. Powered by its Platformation™ framework and Harmoni.AI platform , Sonata delivers AI-led modernization across cloud, data, AI, Dynamics, test automation, and managed services.

Headquartered in Bengaluru, India, Sonata has more than $1.2 billion in revenue and 6,400+ AI engineers supporting global delivery across regions including the US, UK, India, Malaysia, Mexico, Australia, DACH, and the Nordics.

With deep partnerships across Microsoft, AWS, Salesforce, and Snowflake , Sonata helps Fortune 500 enterprises accelerate innovation, improve efficiency, and drive sustainable growth.

For more information, please visit www.sonata-software.com .