Arun C S

About Arun C S

I’m Arun C S, a passionate and results-driven Senior Software Engineer with over 7 years of hands-on experience in developing scalable, enterprise-grade applications across diverse domains including sustainability, healthcare, and SaaS platforms. My expertise spans.NET (C#), Angular, SQL, TypeScript, and RESTful APIs, along with strong capabilities in system design, performance optimization, and clean architecture principles.Currently, I work at IBM, where I’m part of the team behind Envizi, a leading ESG SaaS platform. One of my proudest achievements was integrating Envizi with IBM Planning Analytics, a critical enhancement that resulted in increase in product sales. My technical contributions and collaboration with product team were recognized with the prestigious IBM Entrepreneur Award 2024. I’ve also part of the development of a secure cloud storage solution for attachments, reducing DB size, improving performance, and addressing key security concerns.Before IBM, I contributed significantly at Philips Healthcare, where I worked in CT Modality R&D. I developed a custom, modular communication framework using gRPC, NetMQ, and WCF, and built an automated log analysis tool that reduced manual processing time by 95%, enhancing developer efficiency and issue resolution speeds.At CareStack, a cloud-based dental SaaS platform, I worked on migrating and enhancing the Clinical module, improving system performance and maintainability. I also implemented multi-site support, streamlining onboarding and scaling capabilities for clients.I’m skilled in modern messaging systems like RabbitMQ, Grpc, and familiar with DevOps practices, unit testing, and performance profiling. My approach is deeply collaborative—driven by a passion for clean, scalable solutions and a mindset focused on solving real-world problems through code.I thrive in fast-paced, impact-driven environments where I can build solutions that not only meet requirements but also exceed user expectations. I believe in continuous learning, and I actively contribute to innovation, both technically and strategically.

Experience

1. Senior Software Engineer

   IBM

   Nov 2023 — Present · Bengaluru, IN

   IBM Software Lab & Core Development Team Member – IBM Envizi• Web-based SaaS ESG suite for capturing, managing, analyzing, and reporting ESG data• Design and develop SaaS modules used by 300+ B2B enterprise clients across 160 countries and locations, ensuring compliance with regulatory standards and maintaining data integrity.• Expert in system design, database design, writing efficient stored procedures, and optimizing SQL performance for large-scale data handling.• Recognized with the IBM Entrepreneur Award 2024 for delivering high-impact, scalable integration.• Improved system security by identifying and resolving vulnerabilities detected through MEND and SAST scans.

Education

• Mahatma Gandhi University

  Bachelor of Technology - BTech

  2014 — 2018