# Dhairyashil Shinde > Full-stack product engineer. I build web, mobile, and AI products, from the first user flow to a reliable release. Building a serverless AI harness at a stealth startup. Previously at Cal.com. GSoC contributor and mentor at Rocket.Chat. I like taking ownership and seeing things through. I learn fast, recognize patterns, and turn what I learn into working products quickly without compromising on performance and security. Skills: TypeScript, React, Next.js, React Native, Expo, PostgreSQL, OAuth, OpenAPI, MCP, AI agents, Playwright, CI/CD. Contact: [dhairyashil.me@gmail.com](mailto:dhairyashil.me@gmail.com). This file summarizes the public portfolio. Work belongs to the company listed; links provide product information or supporting evidence. Contribution counts and rankings are historical as described below. ## Portfolio - [Website](https://dhairyasheel.com/): About, experience, skills, GitHub activity, and contact. - [GitHub](https://github.com/dhairyashiil) - [LinkedIn](https://www.linkedin.com/in/dhairyashilshinde/) - [X](https://x.com/dhaiiryashiil) ## Stealth AI Startup · Current Software Engineer · Sep 2026 – Present. Building a serverless AI harness. My work spans autonomous agents, file workflows, reliable chat, isolated preview environments, onboarding, and billing. - [Experience at Stealth AI Startup](https://dhairyasheel.com/#experience-stealth-ai): Autonomous agents and the systems that keep them running. - [Notes & diagrams](https://app.notion.com/p/pi-dev-and-eve-dev-notes-3ccd3849378280fcbfa7d6cde5a65559?pvs=21): Recently explored how Pi.dev and Eve.dev work, with study notes and diagrams. - [Goal Mode](https://dhairyasheel.com/#work-goal-mode): Let an AI agent keep working toward a goal. I built Goal Mode for autonomous, multi-turn AI workflows at a stealth AI startup. Made longer AI tasks possible while giving users control over when the agent runs. - [Files in AI workflows](https://dhairyasheel.com/#work-ai-file-workflows): Move files from upload to AI processing to download. I developed secure file workflows for PDFs, spreadsheets, images, and other attachments. Connected file upload, processing, and download into a usable workflow. - [Chat that recovers](https://dhairyasheel.com/#work-ai-chat-reliability): Keep conversations intact through reloads and reconnects. I improved chat recovery across durable history, reconnect handling, authentication, and clarification questions. Preserved conversation state so users can return to ongoing work. - [Isolated PR previews](https://dhairyasheel.com/#work-preview-environments): Test each change in its own working environment. I built on-demand pull-request preview environments and improved the browser-test pipeline. Enabled parallel testing with isolated resources and balanced browser-test workloads. - [Onboarding & workspace credits](https://dhairyasheel.com/#work-onboarding-and-billing): Make setup easy and account balances dependable. I delivered GitHub and Slack onboarding, Free-plan enrollment, and workspace setup rewards. Connected onboarding to reliable rewards and billing, without duplicate credit grants. ## Cal.com Software Engineer · Oct 2025 – Aug 2026. Software Engineer, February–August 2026; previously an intern, October 2025–January 2026. Across my time at Cal.com, I delivered 438+ merged pull requests and reviewed 850+ PRs, covering products, UI, security fixes, migrations, CI, and engineering infrastructure. - [Experience at Cal.com](https://dhairyasheel.com/#experience-cal): Mobile apps, scheduling, and developer tools. - [Cal.com Companion](https://dhairyasheel.com/#work-companion): Scheduling on iOS, Android, and in the browser. I owned the iOS app, Android app, and Chrome extension from implementation through release. I’m the top contributor to Companion, the shared repository for mobile apps, browser extensions, CLI, maps, and agents. Shipped the apps and extension so people can manage scheduling wherever they work. The mobile apps launch reached #1 Product of the Day and #2 Product of the Week on Product Hunt. - [Cal.com Companion — iOS app](https://go.cal.com/ios) - [Cal.com Companion — Android app](https://go.cal.com/android) - [Cal.com Companion — Chrome extension](https://go.cal.com/chrome) - [Cal.com Companion — Source code](https://github.com/calcom/companion) - [Cal.com Companion — Product Hunt launch](https://www.producthunt.com/products/cal/launches/cal-com-companion-apps) - [Cal Video Meeting Notes](https://dhairyasheel.com/#work-ai-notes): Turn meeting transcripts into useful notes. I built core product and system foundations for Meeting Notes, across APIs, UI, access rules, billing, and background processing. Connected the visible notes experience to the systems needed to process meetings reliably. - [Cal Video Meeting Notes — Product information](https://cal.com/notes) - [Cal.com scheduling agents](https://dhairyasheel.com/#work-scheduling-agents): Book and manage meetings from Slack and Telegram. I independently built both the Slack and Telegram experiences end to end. Made everyday scheduling actions available directly inside Slack and Telegram. The launch ranked #5 Product of the Day on Product Hunt. - [Cal.com scheduling agents — Cal.com Agents](https://cal.com/agents) - [Cal.com scheduling agents — Chat source code](https://github.com/calcom/companion/tree/main/apps/chat) - [Cal.com scheduling agents — Product launch](https://www.producthunt.com/products/cal/launches/cal-com-agents) - [Booking reliability](https://dhairyasheel.com/#work-booking-reliability): Make availability, cancellation, and rescheduling more dependable. I built targeted improvements and real-database regression coverage for critical booking flows at Cal.com. Tested important scheduling behavior against a real database, with coverage for cases that mocks can miss. - [Booking reliability — All my merged pull requests](https://github.com/calcom/cal.diy/pulls?q=is%3Apr+state%3Amerged+author%3Adhairyashiil) - [Holiday support](https://dhairyasheel.com/#work-holidays): Holiday support across 190+ countries. I built and shipped the holiday feature in Cal.com. The feature is available in Cal.com’s out-of-office settings. - [Holiday support — Holiday settings](https://app.cal.com/settings/my-account/out-of-office?type=holidays) - [Push notifications](https://dhairyasheel.com/#work-push-notifications): Timely updates from Cal.com. I built and shipped push notifications in Cal.com. People can manage push notifications from their Cal.com account. - [Push notifications — Notification settings](https://app.cal.com/settings/my-account/push-notifications) - [Cal.com MCP](https://dhairyasheel.com/#work-cal-mcp): Connect compatible AI tools to Cal.com. I worked on and maintained Cal.com’s MCP implementation. An integration that connects compatible AI tools to Cal.com. - [Cal.com MCP — MCP settings](https://app.cal.com/settings/developer/mcp) ## Rocket.Chat · GSoC 2026 Mentor, MCP Server Generator · May – Aug 2025. Mentored a project that creates small, task-specific MCP servers from selected OpenAPI capabilities. Reviewed pull requests and guided TypeScript implementation, caching, and test coverage. - [Experience at Rocket.Chat](https://dhairyasheel.com/#experience-gsoc-2026): Helping the next generation build useful tools. - [Project source](https://github.com/RocketChat/MCPServerGenerator_GSoC2026) - [GSoC project](https://summerofcode.withgoogle.com/programs/2026/projects/0Pk45Q1K) ## Rocket.Chat · GSoC 2025 Mentee · Open-source contributor · May – Aug 2025. Rocket.Chat is an open-source alternative to Slack and Discord. I built the AI chat-workflow automation app and also contributed to EmbeddedChat, chat products, and developer tooling. At the time, I was the top contributor in Rocket.Chat’s 2025 GSoC batch by merged pull request count. - [Experience at Rocket.Chat](https://dhairyasheel.com/#experience-gsoc-2025): AI workflows, chat experiences, and open-source tools. - [Rocket.Chat AI workflows](https://dhairyasheel.com/#work-rocket-chat-workflows): Create chat automations using everyday language. I built the AI chat-workflow application during Google Summer of Code 2025 at Rocket.Chat. Let people describe a workflow and turn it into useful chat actions with safeguards. - [Rocket.Chat AI workflows — Project source code](https://github.com/RocketChat/Apps.AutomatedChatWorkflows) - [Rocket.Chat AI workflows — GSoC project](https://summerofcode.withgoogle.com/archive/2025/projects/JDHHtcgD) - [Rocket.Chat AI workflows — GSoC acceptance letter](https://drive.google.com/file/d/199bSzFT0ET0fwiCPXi_3xFIvFXvoK4aD/view?usp=sharing) - [EmbeddedChat improvements](https://dhairyasheel.com/#work-embedded-chat): Make everyday chat interactions easier to use. Alongside my GSoC work, I contributed features and fixes to Rocket.Chat’s EmbeddedChat. Improved media handling, readability, and navigation. My historical contribution report recorded 48 submitted PRs and 23 merged PRs across Rocket.Chat projects. - [EmbeddedChat improvements — Collapsible media PR](https://github.com/RocketChat/EmbeddedChat/pull/772) - [EmbeddedChat improvements — Theme-aware links PR](https://github.com/RocketChat/EmbeddedChat/pull/912) - [EmbeddedChat improvements — Draft proposal (not merged)](https://github.com/RocketChat/EmbeddedChat/pull/722) - [EmbeddedChat improvements — Contribution report](https://docs.google.com/document/d/1MaEZyrI3Plkcjk-0Einn1RWeiBhQMHdsDDDXOL-6hxw/edit?usp=sharing) - [Rocket.Chat apps & tools](https://dhairyasheel.com/#work-rocket-chat-tools): Better chat summaries, settings, and developer tools. I contributed improvements across Chat Summarize, Guided Tours, and AgileBot. Merged fixes and features that make these apps easier to use and develop. - [Rocket.Chat apps & tools — Chat-summary commands](https://github.com/RocketChat/Apps.Chat.Summarize/pull/20) - [Rocket.Chat apps & tools — Guided Tours fix](https://github.com/RocketChat/RC.Guided.Tours/pull/11) - [Rocket.Chat apps & tools — AgileBot settings PR](https://github.com/RocketChat/AgileBot/pull/16) ## RIA Advisory Software Engineer · Jul 2023 – Sep 2025. Software Engineer in Pune, India, in a hybrid role. At RIA Advisory, I worked on projects used by its clients, including Citibank, Goldman Sachs, Uber, Navitus, and Oracle. Built faster web experiences, modular frontends, and reusable UI for a platform serving thousands of concurrent users across regions. - [Experience at RIA Advisory](https://dhairyasheel.com/#experience-ria): Client projects for Citibank, Goldman Sachs, Uber, Navitus, and Oracle. - [Faster web experiences](https://dhairyasheel.com/#work-ria-web-performance): 40% faster page loads across key flows. At RIA Advisory, I optimized APIs, UI rendering, and bundle size across important user flows. Reduced page-load times by 40% across key flows and improved form usability while supporting regional scale. - [Modular frontends](https://dhairyasheel.com/#work-ria-micro-frontends): Move core modules into a scalable frontend architecture. I transitioned core modules, including Promo Code, to a micro frontend architecture at RIA Advisory. Improved deployment speed and reduced checkout failures by 20%.