[ID] IDENTITY01

SHASHWAT MITTAL

Software Engineer · SDE-II · Upstox · Mumbai, India

emailshashwat6479@gmail.com
linkedinlinkedin.com/in/mittal-shashwat
githubgithub.com/shashwat-mittal
about/about
[POS] POSITIONS3 entries
  • 2026.04 – presentSDE-II@Upstox· Mumbai
    • +Orders, Holdings and Positions revamp: rebuilt the screens from scratch with a redesigned UX and actionable callouts. Designed owned components to run in parallel with legacy screens behind an instant fallback, enabling a staged rollout.
    • +Order form re-architecture (in progress): rebuilding the order form on the new design system, replacing condition-heavy legacy logic with a reusable validation and state model that extends to new order types.
    • +Scalper Multi Expiry: replaced fixed weekly/monthly expiry templates with user-selectable expiry that can be switched during live trading, backward-compatible with saved templates.
    • +Interops and MTF on BSE: built cross-exchange flows to trade a scrip on any supported exchange and settle offsetting NSE and BSE positions together, reducing brokerage. Co-developed MTF for BSE scrips ahead of the NSE IPO.
    • +Upgraded the TradingView charting library to the latest version, restyled charts to match the platform's custom components, and aligned the UI library with the new styling.
    • +Co-built Pro Web's design system from scratch using Storybook, tsdown and Figma Code Connect · the platform's shared UI foundation.
    • +Built Figma-to-code workflows over MCP that generate library-backed React components with Code Connect mappings, plus automated code review and design validation; adopted across the team. Conducted AI adoption sessions and accelerated testing with Chrome DevTools Protocol (CDP).
    • +Partnered with Product and Design on refinements and edge cases; resolved production issues at root cause and supported on-call. Reviewed team pull requests; mentored interns and new joiners on business logic and system design.
  • 2024.09 – 2026.03SDE-I@Upstox· Mumbai
    • +Upstox Plus: architected an S3-driven system for multiple feature pages, built from reusable screens and components with A/B testing support, so content changes ship without a release. Built responsive pages with fluid animations for a native-like feel on web and mobile. Reused the architecture to ship the Add-On Pack for web. [~1M net active users, 25.4% conversion on Pro Web]
    • +Scalper: partnered with Product and Design from initial user scenarios through MVP, configurable layouts and GTT for a high-frequency trading platform with millisecond-level performance requirements. [1.1M+ web orders within 6 months]
    • +Re-architected the order form's order-category logic and state management to support Conditional Trigger Orders, shipping bug-free ahead of the Union Budget period. Delivered the API and WebSocket integrations for the COS order book migration with zero production impact.
    • +Co-delivered the order placement API migration, consolidating multiple endpoints into a unified architecture for new order features across web platforms.
    • +Built a scalper widget for the TV platform and co-built its component library from scratch in Storybook. [+10% orders on the platform]
    • +Introduced Cursor rules and an AI PR review command for the Pro Web repos. Created a sub-agent framework to scaffold new repos and migrate existing ones, used to move legacy internal tools to Next.js and shadcn/ui.
  • 2024.02 – 2024.08Software Developer Intern@Upstox· Mumbai
    • +Migrated CDSL authorization APIs on web and built the new authorization page. [2M+ users across mobile and web]
    • +Led development of an in-house EDIS authorization monitoring system, streamlining report generation and transaction tracking.
    • +Contributed to the watchlist revamp and to cloud sync of TradingView chart drawings and studies.
[EDU] EDUCATION
  • 2020–2024BTech, Information Technology· Indian Institute of Information Technology, Allahabad[CGPA 8.75]
  • 2020Higher Secondary (CBSE)· SJIS Ahmedabad[92.6%]
  • 2018Secondary (CBSE)· DPS Bopal[96%]
[STK] STACK
langsTypeScript, JavaScript, HTML, CSS/SCSS
frontendReact, Next.js, Redux, Tailwind CSS, shadcn/ui, Material UI, Storybook, WebSockets, TradingView Charting Library
toolsGit, Figma, Claude Code, AWS S3, Coralogix, Mixpanel
[ACH] ACHIEVEMENTS
  • -DevFest Mumbai 2025
    speaker
  • 2ndUpstox CyberQuest CTF
    company-wide capture-the-flag
  • 9thOpenCode'21
    out of 1000+ contestants · contributed to 10+ open-source repos with 50+ PRs merged
  • AIR 3888JEE Mains 2020
    top 0.4% among ~1M candidates
  • -Impact MBA Scholar
    Global Governance Initiative
[ACT] ACTIVITY
  • ›Coordinator, FOSS Wing, Geekhaven
  • ›Mentored 800+ students at Geekcamp'23 and APK Month'22
  • ›Organized OpenCode'22 · 1000+ contestants
  • ›Project Mentor, Aloha · OpenCode'22
  • ›Organizer, GitHero'22
  • ›Developed website for the Deep Learning Lab, IIIT Allahabad
  • ›Head of Web Operations, Asmita'23
  • ›Technical Coordinator, SSBF'22