Divyansh Agarwal - Experience

Experience

My professional journey and key roles

Tata Consultancy Services

Software Engineer

Aug 2024 - Present

Designed and optimized scalable backend systems for generative AI models using FastAPI, focusing on high performance and seamless AI service integration.
Reduced model inference latency by 20% by implementing Redis caching and optimizing request-handling mechanisms, resulting in a 30% decrease in API calls to the AI model and a 20% reduction in associated AI costs.
Developed RESTful APIs using FastAPI for real-time interactions, handling up to 500,000 API requests daily, ensuring secure and efficient communication between AI models and end-users.
Collaborated with cross-functional teams to design prompt scoring criteria, using few-shot prompting that improved conversation accuracy by 30%.

Data Engineer

Aug 2021 - Aug 2024

Led a cloud-based data engineering project, managing over 100 million daily transactions in a petabyte-sized data warehouse and building a scalable infrastructure using SQL, Matillion, AWS, Redshift, Python, Spark, and Snowflake to achieve 99.9% uptime.
Conducted thorough evaluations of data processing workflows to identify bottlenecks and inefficiencies, implementing targeted optimizations that reduced processing time by 50%, which led to a reduction in cost incurred by 20%.
Integrated automated regression testing, increasing test coverage by 30% and boosting customer satisfaction by 60% on data quality and accessibility.
Architected and implemented 10+ data pipelines that supported business decision-making and increased revenue collection for clients.
Collaborated closely with cross-functional teams on 5+ major projects to understand data needs, troubleshoot issues, and deliver high-quality solutions.

Ewently

Co-Founder and Lead of Technical Development

Mar 2020 - Jul 2022

Co-founded and led the development of Ewently, an online event live-streaming platform, shaping the technical vision and guiding a team of 5 engineers to architect and optimize backend services, achieving a 30% reduction in latency.
Designed and implemented a scalable event ticketing system with Node.js, GraphQL, and AWS, ensuring 99.9% uptime and supporting up to 5K concurrent users.
Developed a secure OTP service integral to the 2FA system, which decreased unauthorized access by 20% and bolstered platform security.
Engineered a robust video meeting system utilizing Python, Golang, WebRTC, RTP, and RTMP, enabling seamless hosting of over 1 million monthly video meetings and live streams with advanced collaboration tools.