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Senior full-stack developer and technical architect with 15+ years of experience building scalable SaaS, AI, and workflow products from initial concept through production. I work hands-on across React and TypeScript frontends, Node.js, Python and Java services, REST and GraphQL APIs, data architecture, authentication, cloud deployment, and external integrations. I currently lead engineering at Rooms, an AI-native execution platform used by 200+ creators where I jam about to complete the project. Previously, I served as CTO of Parallel Finance, led React 18 engineering at Facebook, and built large-scale frontend and service platforms at Intuit. I’m particularly effective at working with domain experts to understand specialized workflows, define a practical MVP, recommend the right technical architecture, estimate delivery, and turn an early idea into a reliable product that can evolve over time.…Senior full-stack developer and technical architect with 15+ years of experience building scalable SaaS, AI, and workflow products from initial concept through production. I work hands-on across React and TypeScript frontends, Node.js, Python and Java services, REST and GraphQL APIs, data architecture, authentication, cloud deployment, and external integrations. I currently lead engineering at Rooms, an AI-native execution platform used by 200+ creators where I jam about to complete the project. Previously, I served as CTO of Parallel Finance, led React 18 engineering at Facebook, and built large-scale frontend and service platforms at Intuit. I’m particularly effective at working with domain experts to understand specialized workflows, define a practical MVP, recommend the right technical architecture, estimate delivery, and turn an early idea into a reliable product that can evolve over time.

Harsimran Badwal

Full Stack Developer, Software Engineer, Architect, +4

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Senior full-stack developer and technical architect with 15+ years of experience building scalable SaaS, AI, and workflow products from initial concept through production. I work hands-on across React and TypeScript frontends, Node.js, Python and Java services, REST and GraphQL APIs, data architecture, authentication, cloud deployment, and external integrations. I currently lead engineering at Rooms, an AI-native execution platform used by 200+ creators where I jam about to complete the project. Previously, I served as CTO of Parallel Finance, led React 18 engineering at Facebook, and built large-scale frontend and service platforms at Intuit. I’m particularly effective at working with domain experts to understand specialized workflows, define a practical MVP, recommend the right technical architecture, estimate delivery, and turn an early idea into a reliable product that can evolve over time.…Senior full-stack developer and technical architect with 15+ years of experience building scalable SaaS, AI, and workflow products from initial concept through production. I work hands-on across React and TypeScript frontends, Node.js, Python and Java services, REST and GraphQL APIs, data architecture, authentication, cloud deployment, and external integrations. I currently lead engineering at Rooms, an AI-native execution platform used by 200+ creators where I jam about to complete the project. Previously, I served as CTO of Parallel Finance, led React 18 engineering at Facebook, and built large-scale frontend and service platforms at Intuit. I’m particularly effective at working with domain experts to understand specialized workflows, define a practical MVP, recommend the right technical architecture, estimate delivery, and turn an early idea into a reliable product that can evolve over time.

Available to hire

Senior full-stack developer and technical architect with 15+ years of experience building scalable SaaS, AI, and workflow products from initial concept through production. I work hands-on across React and TypeScript frontends, Node.js, Python and Java services, REST and GraphQL APIs, data architecture, authentication, cloud deployment, and external integrations.
I currently lead engineering at Rooms, an AI-native execution platform used by 200+ creators where I jam about to complete the project. Previously, I served as CTO of Parallel Finance, led React 18 engineering at Facebook, and built large-scale frontend and service platforms at Intuit.
I’m particularly effective at working with domain experts to understand specialized workflows, define a practical MVP, recommend the right technical architecture, estimate delivery, and turn an early idea into a reliable product that can evolve over time.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Hindi

Intermediate

Work Experience

Chief Technology Officer at Rooms

January 1, 2024 - Present

Leads engineering for an AI-native execution platform that structures creative work into connected workspaces and guides projects to completion for 200+ creators. Architected the full-stack platform around connected workspace state, adaptive workflows, real-time collaboration, and external tool and file integrations. Shapes product scope and technical approach while remaining hands-on across AI infrastructure, application architecture, integrations, and frontend delivery.

Chief Technology Officer at Parallel Finance

November 1, 2021 - December 31, 2023

Directed engineering across 10 mission-critical products, including nine DeFi solutions, while scaling the organization from 2 to 36 team members. Led full-stack architecture across user-facing financial applications, blockchain networks, shared services, data pipelines, and API integrations. Oversaw platform delivery supporting $700M in Total Value Locked and contributed to the technical execution behind a $38M Series A.

Software Engineering Manager at Facebook

September 1, 2020 - November 30, 2021

Led a high-profile engineering team delivering key React 18 capabilities, including server-side rendering improvements. Worked across the React family of technologies for web, Android, iOS, desktop, and AR/VR, advancing highly performant UI across platforms. Coordinated complex framework work across shared technical dependencies and cross-functional stakeholders.

Engineering Leader at Intuit

July 1, 2018 - August 31, 2020

Architected and launched the TurboTax Start Experience using ReactJS, Redux, Java 8, and Spring Boot; mentored engineers and promoted consistent engineering practices. Led cross-team modularization of TurboTax web applications and microservices, improving developer productivity and enabling nightly continuous-integration releases. Architected the initial proof of concept and helped build TurboTax Player, a service-driven UI runtime for tens of thousands of screens represented as semantic JSON and rendered across web, iOS, and Android. Built reusable frontend infrastructure, component loading, shared tooling, and standardized logging in partnership with multiple teams.

Senior Software Engineer at Intuit

July 1, 2013 - July 1, 2018

Worked on TurboTax Player and supporting platform infrastructure, including reusable frontend infrastructure, component loading, shared tooling, and standardized logging; contributed to cross-team modularization efforts for TurboTax web applications and related microservices.

Software Engineer at Intuit

July 1, 2011 - July 1, 2013

Contributed to building and evolving TurboTax platform components and services, including work supporting a semantic JSON-driven UI runtime and shared frontend and integration tooling.

Software Engineer (Contract) at Metavana Inc.

October 1, 2010 - July 31, 2011

Built automated sentiment-analysis and classification capabilities for unstructured text, enhancing the sentiment engine and data-processing pipeline. Designed APIs and UI for the sentiment engine, developed an interactive Twitter experience, and performed unit and scalability testing.