Full-Stack Engineer · React · Next.js · React Native · Node.js · Python · AWS | Built hospitality WhatsApp automation & healthcare mobile platforms | SDE-1 @ GameTheory

Bengaluru, Karnataka, India









Master of Computer Applications - MCA, Computer Applications
PES University
BCA, Computer Science
College of Engineering & Technology,Bikaner
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Download Tal BossFull-Stack Engineer · React · Next.js · React Native · Node.js · Python · AWS | Built hospitality WhatsApp automation & healthcare mobile platforms | SDE-1 @ GameTheory
SDE-1 at Gametheory. Full-stack engineer who builds things that run unattended — automation pipelines, mobile platforms, and backend systems that hold up in production. I got into tech for the career. Stayed because I genuinely fell in love with building things. Especially the kind of building where you automate something and it just… runs. No one has to touch it. At Defyd I got to work on both ends — a healthcare mobile app and a WhatsApp-based hospitality automation platform, along with the REST API and its test suite. Some of what I shipped: → Built n8n automation pipelines for a hospitality platform (think MakeMyTrip-style) — travel booking, itinerary management, support — all over WhatsApp → WhatsApp Business API integration — 15+ conversation flows, state-machine architecture, human escalation when things go sideways. Watching it handle real conversations was a moment. → Ripped out server-side file forwarding and replaced it with a direct S3 multipart pipeline — faster uploads, one less thing that could break in production → Secure medical document sharing for the healthcare app — role-based access, compliance-friendly, used by multiple user types in live ops What I work with: React · Next.js · React Native · Node.js · JavaScript · TypeScript · Python · AWS (S3, Cognito) · PostgreSQL · n8n Outside of work: → Built PharmaSync — a HealthTech platform for prescriptions, appointments & medical records. React + React Native + Node.js + HuggingFace. Proud of that one. → Winner, PESU Hackathon 2024 → 1st Place, UI/UX Design Competition (Gateways 2023) → 3× Prof. C.N.R. Rao Merit Scholarship | Top 1% at PES University | MCA, CGPA 9.0 I'm not the kind of engineer who just closes tickets. I actually think about why something is built a certain way, and whether there's a better one. If you're building something in HealthTech, hospitality, or anywhere automation can make a dent — let's talk. 📩 sethi2117@gmail.com | 📱 7014282661
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SDE-1 | Full-Stack Engineer · React Native · Expo · TypeScript · Claude Code · Graphite at Game Theory, Mar 2026 - Present · 6 mos, Bengaluru, Karnataka, India, Top skills: Full-Stack Development | Typescript | React Native | Expo | Claude Code | System Architecture Experience description: • Resolved critical styling regressions introduced during an Expo SDK upgrade — audited NativeWind compatibility breaks across components and restored UI consistency across iOS and Android without any design rework. • Debugged and fixed a production build failure caused by a carousel package conflict post-SDK migration — identified the root incompatibility, patched the integration, and unblocked the release pipeline.
SDE-1 | Full-Stack & Automation Engineer · React · Node.js · TypeScript · n8n · AWS at Defyd, Jul 2025 - Feb 2026 · 8 mos, Top skills: Full-Stack Development | Node.js | AWS (S3, Cognito) | AI Automation | System Architecture Experience description: • Built automation workflows in n8n for a hospitality platform — travel bookings, itinerary management, support queries. Added multi-step validation so nothing irreversible ran without an explicit confirmation. Runs in production unattended. • Designed the WhatsApp Business API integration from scratch — webhook ingestion, message parsing, a state-machine conversation engine with 15+ flows. When it went live and started handling real user conversations — that felt good. Human escalation built in for when the bot hits its limits. • Built the medical document sharing system for the healthcare app — role-based access, reliable delivery, and compliance-friendly file handling — deployed in reliable delivery, compliance-friendly. Multiple user types, live operations. • The file upload flow was going through the server — unnecessary, slow, one more thing that could fail. Replaced it with a direct S3 multipart pipeline. Faster uploads, cleaner architecture. One of those changes that just makes sense once you see it. • Collaborated with product and QA across a cross-functional team to ship Worked closely with product and QA — not just writing code but understanding why things needed to be built a certain way. Key impact: Improved system reliability, reduced file upload latency, and enabled scalable automation for healthcare and hospitality operations.
Software Engineer Intern | React Native & Backend Systems · React Native · Node.js · AWS at Defyd, Mar 2025 - Jun 2025 · 4 mos, Top skills: React Native (Expo) | Authentication Systems | API Integration | Secure File Uploads Experience description: • Built the React Native (Expo) mobile app from the ground up — this was my first time owning a full mobile codebase. Modular components, hook-based state, navigation across 50+ flows. Went to production as a real healthcare app. • Did the auth system — passwordless login, biometric support, secure token persistence, API interceptors for session handling. Cleaner than what was there before. • Built the document upload pipeline for healthcare — file encoding, integrity checks, secure transmission. Sensitive medical documents, so it had to be right. • Also contributed to the n8n hospitality automation side — mostly validation layers, making sure nothing high-impact ran without an explicit confirmation step. Key impact: Helped ship a production-ready healthcare mobile app with secure authentication and document workflows.
Full Stack Developer · HTML · CSS · Javascript at MD Farms, Feb 2024 - Apr 2024 · 3 mos, Web Developer | Client Project (Polyhouse & Net House Firm) Top skills: Web Development | UI/UX Design | SEO Optimization | CMS Integration | Client Collaboration • Designed, built, and deployed a custom B2B website — interactive project gallery, CMS-driven content workflow, and custom contact forms — delivered end-to-end within a 2-month timeline. • Implemented a fully responsive layout (mobile + desktop) that contributed to a ~50% improvement in user engagement metrics post-launch. • Iterated directly with business stakeholders, translating brief to live product while meeting both functional requirements and commercial goals.
Master of Computer Applications - MCA, Computer Applications, PES University
BCA, Computer Science, College of Engineering & Technology,Bikaner
github: https://github.com/rsethi-codes