
Hi, I'm Sachin π
Senior Software Engineer with 5 years of experience building scalable backend services, AI-powered copilots, and deep integrations at Microsoft. Passionate about system design, performance optimization, and creating intuitive user experiences.
5,189 LinkedIn Followers
Experience
Feb 2024 β Current
Bangalore, India
Software Engineer 2 (L61), Employee Self-Service (ESS)
Microsoft
Contributed to the development of the ESS Copilot, an AI-powered assistant aimed at streamlining HR/IT processes. Delivered deterministic agent handoff routing queries to ISV/LoB agents via maker-configured rules with full context preservation and @mention support. Engineered .NET middle-tier service in Substrate Weve for wrapping multiple copilots under a single super agent. Built a configurable Agent Disclaimer system in Microsoft Admin Center and Copilot Studio.
Sep 2022 β Feb 2024
Bangalore, India
Software Engineer (L60), Viva Goals
Microsoft
Migrated & Optimized backend services from Ruby on Rails to C# .NET Microservices, reducing API latency and infrastructure costs substantially. Built deep integration with Microsoft Teams, driving a 2x increase in MAU. Enhanced collaboration by adding Goals sharing features like copy link and share on Teams channels. Developed scalable GraphQL Search APIs with orchestrator pattern, parallel asynchronous execution, achieving subsecond response times.
Nov 2021 β Sep 2022
Bangalore, India
Software Engineer (L59), Viva Goals
Microsoft
Architected Facebook Workplace integration for Viva Goals, building robust backend services in Ruby on Rails. Created AngularJS controllers, services, and real-time UI components. Automated testing with RSpec and Java (Selenium) with enhanced CI/CD pipelines.
Jun 2021 β Nov 2021
Chennai, India
Software Engineer
Ally.io
Designed and implemented the OKRs Sandbox feature. Migrated UI components from AngularJS to React. Implemented SCIM provisioning and SAML login for Okta and Azure Active Directory (AAD), provisioning 100k+ Microsoft employees to Ally.io.
Skills
Projects
Salary Insights Copilot
July 2025
Generative AI agent for salary insights. Built a robust backend using Go (API Gateway) and Python (LangChain RAG) with FastAPI, integrating real LeetCode data via GraphQL scraping. Designed clear API contracts for seamless Go-Python communication.
Competitive Programming
Codeforces
@RedRangerCodeChef
@redrangerCodeChef Rating History
LeetCode
@Bella_CiaoLeetCode Rating History
Education
IIT(BHU) Varanasi, India
Bachelor of Technology
July 2017 β May 2021
GPA: 8.85/10.0
Top Highlights
Delivered deterministic agent handoff in ESS, routing queries to ISV/LoB agents (Workday, ServiceNow) via maker-configured rules with full context preservation and @mention support. Featured in Workday Rising Innovation.

π Excited to share that I have been promoted to Software Engineer 2. Thank you everyone around for your contribution to my successβ€οΈ.

Achievements
- Received two promotions within 3 years of joining Microsoft.
- Secured Global rank within top 2K in Facebook Hacker Cup 2021, Earning a competition T-shirt.
- Expert on Codeforces with a maximum rating of 1862 and 1000+ problems solved.
- 4 star on Codechef with a maximum rating of 1994.