Lead .NET Full Stack Developer

<p><strong>Job Description</strong></p><p><strong>Job Title-</strong> .NET Full Stack Developer<br /><strong>Location-</strong> Pune | Hybrid<br /><strong>Experience-</strong> 3–6 Years<br /><strong>Primary Skills-</strong> React.js, .NET / C#, SQL Server, REST APIs & Full-Stack Development</p><p><strong>ABOUT THE ROLE</strong></p><p>This is a hands-on <strong>Individual Contributor (IC)</strong> 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.</p><p><strong>ROLES AND RESPONSIBILITIES</strong></p><ul><li><p>Build and maintain features across <strong>React.js front ends and .NET 10 (C#) back ends</strong>, under the guidance of senior engineers.</p></li><li><p>Write clean, tested, and well-documented code for well-scoped tickets and features.</p></li><li><p>Use AI-assisted development tools such as <strong>Cursor, GitHub Copilot, or similar tools</strong> as part of the day-to-day development workflow.</p></li><li><p>Participate in code reviews by both giving and receiving feedback to develop strong engineering practices.</p></li><li><p>Work with QA/SDET teams to fix defects and improve test coverage for developed features.</p></li><li><p>Learn the portfolio's applications and contribute to bug fixes and small enhancements across business units.</p></li><li><p>Maintain parity with legacy system behavior where required.</p></li><li><p>Develop and maintain automated tests and perform regression testing against existing systems.</p></li><li><p>Collaborate with senior engineers and architects to understand technical requirements and implementation approaches.</p></li></ul><p><strong>QUALIFICATIONS & REQUIRED SKILLS</strong></p><ul><li><p>Up to <strong>6 years of professional software development experience</strong>.</p></li><li><p>Good understanding of <strong>React.js</strong>, including components, hooks, and basic state management.</p></li><li><p>Good understanding of <strong>.NET / C#</strong>, with exposure to .NET 10 or willingness to learn and ramp up quickly.</p></li><li><p>Good understanding of <strong>SQL Server and relational databases</strong>, including reading queries, understanding existing tables, and testing against development databases.</p></li><li><p>Good understanding of <strong>REST APIs, relational databases</strong>, and full-stack web application architecture.</p></li><li><p>Hands-on exposure to AI-assisted development tools such as <strong>Cursor, GitHub Copilot, Windsurf</strong>, or similar tools, or strong willingness to adopt them.</p></li><li><p>Good debugging and problem-solving skills with the ability to ask relevant questions when required.</p></li><li><p>Clear communication skills and a collaborative attitude.</p></li><li><p>Ability to work effectively with and learn from senior engineers.</p></li></ul><p><strong>MANDATORY SKILLS</strong></p><ul><li><p>React.js</p></li><li><p>.NET / C#</p></li><li><p>SQL Server</p></li><li><p>REST APIs</p></li><li><p>Full-Stack Web Development</p></li><li><p>Relational Databases</p></li><li><p>Basic State Management</p></li><li><p>Debugging & Troubleshooting</p></li><li><p>AI-Assisted Development Tools</p></li></ul><p><strong>GOOD TO HAVE SKILLS</strong></p><ul><li><p>Exposure to <strong>legacy .NET Framework or Web Forms</strong>.</p></li><li><p>Academic or personal projects involving <strong>React.js and/or .NET</strong>.</p></li><li><p>Exposure to <strong>Git-based development workflows</strong>.</p></li><li><p>Basic understanding of <strong>CI/CD pipelines</strong>.</p></li><li><p>Interest in application modernization and migration projects.</p></li><li><p>Experience with automated testing and regression testing.</p></li></ul><p><strong>ABOUT SONATA SOFTWARE</strong></p><p>Sonata Software is an <strong>AI-first modernization engineering company</strong> that helps enterprises transform legacy systems into intelligent, scalable business platforms. Powered by its <strong>Platformation™ framework and Harmoni.AI platform</strong>, Sonata delivers AI-led modernization across cloud, data, AI, Dynamics, test automation, and managed services.</p><p>Headquartered in Bengaluru, India, Sonata has more than <strong>$1.2 billion in revenue and 6,400+ AI engineers</strong> supporting global delivery across regions including the US, UK, India, Malaysia, Mexico, Australia, DACH, and the Nordics.</p><p>With deep partnerships across <strong>Microsoft, AWS, Salesforce, and Snowflake</strong>, Sonata helps Fortune 500 enterprises accelerate innovation, improve efficiency, and drive sustainable growth.</p><p>For more information, please visit <a href="http://www.sonata-software.com/" target="_blank" rel="noreferrer noopener"><strong>www.sonata-software.com</strong></a>.</p>