Headline

Senior Software Engineer | Building Scalable & Resilient Backend Systems Using AI | Python, AWS, RAG, LangGraph

About

With 8 years as a Software Engineer, I’ve successfully shipped applications using languages and frameworks like Django(Python), Node.js(Javascript), Rails(Ruby), and Spring(Java). My toolkit includes expertise in SQL databases, MongoDB, and Redis, along with hands-on experience with Docker, Kubernetes, and Kafka. I’ve architected and deployed both monolithic and microservices applications on multiple cloud platforms, transforming complex challenges into scalable & reliable solutions. Currently working with a US Fintech platform transforming the mortgage experience for lenders and banks with the help of AI. Open to collaborate on Freelance projects. Feel free to shoot me a message at [siddhant.sachdeva.9@gmail.com]—I’m all ears for creative associations.

Location

Delhi

AI stack

claude code

cursor

gemini

langchain

langgraph

claudecode

Work experience

Senior Software Engineer at Ocrolus, Jun 2025 - Present · 1 yr 3 mos, Gurugram, Haryana, India

Senior Software Engineer at Freshworks, May 2022 - Jun 2025 · 3 yrs 2 mos, * Worked with a team of engineers to subsume standalone Freshstatus as part of Freshservice product. * Designed and developed the incident/maintenance management feature in Freshservice and Statuspage, incorporating real-time updates across other microservices utilizing Rails, MySQL, and Kafka. * Owned and Implemented scaling of existing system to handle bulk emails to subscribers. * Kicked a few major bugs in Statuspage and Freshping to retain very high value customers. * Automated multiple repeated tasks to save hours of time for the team. * Implemented observability in Freshping to reduce debug time using Opentelemetry, Prometheus and Grafana.

Backend Developer at Grappus, Oct 2018 - Apr 2022 · 3 yrs 7 mos, Gurgaon, Haryana, India, * Owned and Lead a team of 4 backend engineers on a US based talent sourcing platform for providing opportunities to underrepresented groups in healthcare using MERN stack , Microservices & gRPC. * Shipped backend with a team of 3 for a travel company using Java, Spring, PostgreSQL and AWS services. * Developed backend for a large Edtech company. Reduced several days of man hours to few minutes by automating the upload of coursework using Python. * Developed and Scaled multiple backend projects from scratch.

Full stack developer at Freelancer, Oct 2017 - Apr 2022 · 4 yrs 7 mos, Delhi

Web Developer at RiteSource Pharma Solutions Pvt. Ltd., Feb 2017 - Oct 2017 · 9 mos, Dwarka, New Delhi, India, * Worked on their web project . Designed and developed end to end services for their web application . Built testing suite including unit and functional tests .

Education

Bachelor of Technology (B.Tech.), Computer Science and Engineering, The NorthCap University

Science, St. Margaret Sr. Sec. School