Hey, I'm Deep Santoshwar!

Developed core AI features of Interview Answer Buddy, a cross-platform Electron desktop app used by 2M+ job seekers, giving candidates real-time AI assistance during live interviews. Engineered a real-time pipeline streaming live speech transcription (AssemblyAI) into streamed LLM answers with model routing and fallback via OpenRouter, served by FastAPI on Docker and AWS, powering 10,000+ interview sessions. Integrated Sentry and PostHog for production monitoring.

Built Exhibit Social, an influencer campaign management SaaS managing 1M+ global influencers and 2,000+ brands, using PHP Laravel, Python, PostgreSQL, React+Vite, and AWS. Created a 2-agent LangGraph reporting workflow (analyst agent for campaign data, writer agent for reports) with RAG on ChromaDB and LangSmith tracing, generating performance summaries and ROI analytics. Delivered a high-traffic voting system for the InfluencerX Fashion Awards with Nginx load balancing, and a web scraper for BBC Top Gear India.

Automated CI/CD pipelines with GitHub Actions, cutting deployment time by 40%, and set up ELK dashboards that improved log analysis by 30%. Managed four production apps on AWS EC2 with uptime monitoring, and led a cloud migration that cut operational costs by 20%.

Built data pipelines on AWS (Batch, Lambda, Glue, S3, DynamoDB) and an eCommerce pipeline with Kafka and Redshift, improving MySQL integration efficiency by 30%.

Built the data pipeline behind Diagnostix, collecting IoT sensor data from an Android app over Bluetooth and streaming it to AWS servers for real-time analytics. Optimized DynamoDB expenses by 90% leveraging S3. Launched real-time analytics dashboards using Grafana and Power BI.