hi i am
simarjeet singh
- currently a founding engineer at Cognera Health
- mscs grad from Washington State University
- interested in AI and distributed systems
About
engineer with a "figuring out" mindset
- founding engineer at Cognera Health
- developed the core features of our product
- maintain scalable cloud infrastructure
- build RAG systems with Azure AI
- migrate platforms to container architectures
- collaborate with clinical advisors to turn healthcare logic into production AI workflows
Technologies I work with
PythonTypeScriptReactNext.jsNode.jsFastAPIcontainersDockerAzurePostgreSQLSupabaseMongoDBLangChainRAG Systems
Experience
Where I've worked
Cognera Health
Founding Engineer
June 2025 - Present
United States
- Developed a RAG system using Azure AI Search and proprietary multimodal data to power AI-assistant features across HealScript and HealConnect, Cognera's provider and patient-facing mental-health platforms.
- Built and integrated a custom RAG pipeline using optimized embeddings, retrieval tuning, and domain-specific system prompts, replacing standard Azure LLM responses and significantly improving clinical note accuracy.
- Migrated the entire platform from Azure App Service to self-managed VMSS-based containers, cutting cloud spend by 25% and eliminating serverless cold-start latency.
RAAY
Software Engineering Intern
April 2025 - May 2025
United States
- Contributed to the development of multi-agent orchestration platform (Node.js/Express.js) where specialized agents handled research, extraction, summarization, and outreach tasks.
- Integrated E2B's sandboxed execution environment into the tooling layer to securely process sensitive client data.
WinSun Green
Software Engineer
January 2023 - December 2023
India
- Built a data pipeline for a fleet of 120+ wind turbines using Azure IoT Hub and Azure Event Hubs for ingestion and streaming, with Spring Boot services performing backend processing and analytics.
- Implemented an Azure Redis-based caching layer to support real-time KPIs, reducing dashboard data-access latency.
Cactus Communications
Software Engineering Intern
May 2022 - August 2022
India
- Developed RESTful APIs using Java Spring Boot for ingestion and search of academic publications, supporting advanced queries by keywords, authors, and filters.
- Optimized MongoDB operations through indexing & query optimization, improving query performance and data retrieval speed.
Projects
Selected work
Winner: Best AI Application (Cloudflare) & Coca-Cola Scholarship – CrimsonCode Hackathon 2025
AI-powered recipe generator using Llama 3 and Stable Diffusion. Generates culturally blended recipes from 190+ cuisines with RAG-based culinary assistant.
PythonFastAPIReactLlama 3Stable DiffusionLangChainSupabase
An interactive project that turns personal Spotify listening history into network-based visualizations of artists, playlists, and listening patterns using R and graph analytics. It showcases techniques like centrality, community detection, signed networks, and temporal analysis to reveal hidden structure in an individual’s music tastes.
Rigraphggplot2Spotify API
Contact
Let's connect
I'm always interested in discussing new opportunities, collaborations, or just having a conversation about technology and building products.