Bihan Sen
Senior Software Engineer at Microsoft
Bengaluru, Karnataka, India
Summary
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Senior🎓
Top SchoolBihan Sen is a Senior Software Engineer based in Bengaluru with a decade of experience building scalable backend systems, currently advancing M365 Copilot and core services at Microsoft. He has a strong track record in designing resilient storage layers, zero-downtime DB migrations, and performance optimizations across RDBMS and cloud-native platforms like Azure Service Fabric and Cosmos DB. At Microsoft he has driven COGS reduction efforts, implemented data-layer rework for scale, and contributed to prompt engineering, evaluation and A/B testing for large AI-driven products. His background includes applied ML work from a Bing Ads internship where he built ad-generation models and experimented with relevance scoring, reflecting an ability to bridge ML research and production systems. Trained at the Indian Statistical Institute (MTech) and experienced across the full backend stack, he combines rigorous academic grounding with pragmatic engineering that reduces cost and risk in high-availability services. An engineer who prefers building durable infrastructure over flashy demos, he consistently focuses on operational resiliency and measurable business impact.
10 years of coding experience
6 years of employment as a software developer
12th Science, 12th Science at Tamluk Hamilton High SchoolBachelor of Technology (B.Tech.) Computer Science and Engineering, Bachelor of Technology (B.Tech.) Computer Science and Engineering at Heritage Institute of TechnologyMaster of Technology - MTech Computer Science, Master of Technology - MTech Computer Science at Indian Statistical Institute, Kolkata
Bengali, English
Github Skills (6)
sdk9
cognitive-services8
mhealth8
microsoft-cognitive-services7
azure5
microsoft4
Programming languages (1)
Github contributions (5)
bhansen3/CognitiveServices-Documentation
Apr 2016 - May 2016
Contributions:168 pushes, 1 branch in 28 days
cognitivecognitive-servicesmicrosoft-cognitive-servicesazuremicrosoft
bhansen3/Hello-World
Feb 2016 - Mar 2016
Contributions:1 PR, 4 pushes, 2 branches in 27 days
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