Calling all innovators – find your future at Fiserv.
We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Tech Lead, Software Development Engineering
About your role:
At Fiserv, we are committed to delivering cutting-edge financial technology solutions that help businesses and consumers move money and information securely and efficiently. As a Senior Automation Test Engineer, you will play a critical role in ensuring the quality, reliability, and performance of our applications through modern test automation practices. You will work closely with cross-functional teams to support new client onboarding, data conversion testing,



and application modernization initiatives while leveraging cutting-edge AI-assisted development tools.
Job Overview
We are seeking a skilled Senior .NET Developer with to lead the modernization of our legacy .NET applications. You will rewrite old .NET versions applications into the latest .NET framework using Blazor for the frontend. A key aspect of this role is leveraging cutting-edge AI coding tools (such as GitHub Copilot, Cursor, or custom LLM prompts) to accelerate code conversion, refactoring, and testing. The candidate should also have hands-on experience in test automation (Playwright knowledge will be an added advantage), API testing, CI/CD integration, and quality assurance best practices.
Key Responsibilities
Application Modernization: Rewrite and migrate legacy .NET Framework (WebForms, WCF, MVC, or WinForms) applications to the latest version of .NET.
Frontend Development: Architecture and build modern, responsive, and r

📌 Tech Lead, Software Development Engineering (Chennai)
🏢 Fiserv
📍 Chennai