FIS is seeking a Senior Software Engineer to join their PTP (Post Trade Processing) Platform team. This role offers an exciting opportunity to work on a leading-edge, cloud-based Securities Processing solution that serves global financial institutions. The position involves developing and enhancing the platform using C++ in a Unix environment, working on both strategic enhancements and client implementation projects. The ideal candidate will combine strong technical expertise in C++ development with knowledge of financial markets and distributed systems. This role provides unique opportunities for growth, ownership of key functional areas, and the chance to mentor junior developers while working in an agile environment. The position is based in Pune, India, and offers the opportunity to work with cutting-edge financial technology while being part of a growing business unit within a global fintech leader.