About the job
At Definian, we empower organizations to unlock the full potential of their data. Our expertise spans data strategy, modernization, advanced analytics, and AI & automation, enabling leaders to confidently navigate their digital transformation.
The Opportunity:
- Job Title: Senior Software Engineer (C#/. NET)
- Location: Hyderabad, India (Hybrid – 4 days in office, 1 day remote)
- Employment Type: Full-Time
We are seeking seasoned Senior Software Engineers to become part of our expanding team in Hyderabad. This is a unique opportunity to contribute to a high-impact modernization initiative. You will be working on Applaud, our mission-critical software that significantly contributes to our revenue. The challenge involves transforming decades of legacy COBOL and C++ code into modern C# – not merely translating, but reimagining complex business logic using object-oriented design and contemporary best practices.
As one of the initial engineers on our India team, your contributions will be highly visible, and your expertise will be invaluable. This role ensures you won't get lost in a large organization or work on features that are seldom utilized. You will gain deep insights into Applaud, serve as a key resource for production support during Indian hours, and collaborate closely with our India-based Software Architect and US technical leadership.
Definian embraces an AI-forward approach, utilizing tools like Claude and Claude Code to enhance development efficiency. You will utilize these tools daily to solve complex problems and engage in innovative methodologies for large-scale modernization.
This position requires strong C# skills, familiarity with modern UI frameworks, comfort with legacy codebases, and the determination to debug intricate issues in systems you did not create. For engineers who take pride in their craft and want to see tangible business impacts from their work, this is a challenging and meaningful role that accelerates career growth.
What You’ll Be Doing
- Develop and maintain features in Applaud using C#, . NET, and WPF
- Engage in the ongoing COBOL replacement project – converting legacy components to modern C#
- Utilize Claude and Claude Code to streamline development workflows and efficiently tackle complex problems
- Diagnose and resolve production issues, providing support coverage during Indian hours

