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I'm a Full-Stack Software Engineer with 3+ years of experience building scalable web applications, AI-powered platforms, and modern digital products. I specialize in React, Angular, TypeScript, Node.js, Python, FastAPI, MongoDB, PostgreSQL, and cloud deployments. Beyond development, I help clients solve complex technical problems—from debugging production issues and restoring websites to building complete SaaS products from scratch. I've developed and deployed multiple live platforms, including educational portals, AI career counseling systems, business websites, and custom web applications. My focus is on writing clean, maintainable code while delivering fast, reliable solutions that scale. My expertise includes: * Full-Stack Web Development (React, Angular, Node.js) * AI & LLM Applications * REST APIs & Backend Development * Website Recovery & Server Troubleshooting * Database Design (MongoDB, PostgreSQL, MySQL) * Performance Optimization * Cloud Deployment & DevOps * UI/UX Implementation Some of the platforms I've worked on include: • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ I believe in clear communication, timely delivery, and building long-term relationships with my clients. Whether you need a quick bug fix, a production issue resolved, or a complete web application built, I'm ready to help turn your ideas into reality.…I'm a Full-Stack Software Engineer with 3+ years of experience building scalable web applications, AI-powered platforms, and modern digital products. I specialize in React, Angular, TypeScript, Node.js, Python, FastAPI, MongoDB, PostgreSQL, and cloud deployments. Beyond development, I help clients solve complex technical problems—from debugging production issues and restoring websites to building complete SaaS products from scratch. I've developed and deployed multiple live platforms, including educational portals, AI career counseling systems, business websites, and custom web applications. My focus is on writing clean, maintainable code while delivering fast, reliable solutions that scale. My expertise includes: * Full-Stack Web Development (React, Angular, Node.js) * AI & LLM Applications * REST APIs & Backend Development * Website Recovery & Server Troubleshooting * Database Design (MongoDB, PostgreSQL, MySQL) * Performance Optimization * Cloud Deployment & DevOps * UI/UX Implementation Some of the platforms I've worked on include: • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ I believe in clear communication, timely delivery, and building long-term relationships with my clients. Whether you need a quick bug fix, a production issue resolved, or a complete web application built, I'm ready to help turn your ideas into reality.

Devendra Singh Rana

Voice Actor, AI Developer, AI Prompt Engineer, +7

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I'm a Full-Stack Software Engineer with 3+ years of experience building scalable web applications, AI-powered platforms, and modern digital products. I specialize in React, Angular, TypeScript, Node.js, Python, FastAPI, MongoDB, PostgreSQL, and cloud deployments. Beyond development, I help clients solve complex technical problems—from debugging production issues and restoring websites to building complete SaaS products from scratch. I've developed and deployed multiple live platforms, including educational portals, AI career counseling systems, business websites, and custom web applications. My focus is on writing clean, maintainable code while delivering fast, reliable solutions that scale. My expertise includes: * Full-Stack Web Development (React, Angular, Node.js) * AI & LLM Applications * REST APIs & Backend Development * Website Recovery & Server Troubleshooting * Database Design (MongoDB, PostgreSQL, MySQL) * Performance Optimization * Cloud Deployment & DevOps * UI/UX Implementation Some of the platforms I've worked on include: • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ I believe in clear communication, timely delivery, and building long-term relationships with my clients. Whether you need a quick bug fix, a production issue resolved, or a complete web application built, I'm ready to help turn your ideas into reality.…I'm a Full-Stack Software Engineer with 3+ years of experience building scalable web applications, AI-powered platforms, and modern digital products. I specialize in React, Angular, TypeScript, Node.js, Python, FastAPI, MongoDB, PostgreSQL, and cloud deployments. Beyond development, I help clients solve complex technical problems—from debugging production issues and restoring websites to building complete SaaS products from scratch. I've developed and deployed multiple live platforms, including educational portals, AI career counseling systems, business websites, and custom web applications. My focus is on writing clean, maintainable code while delivering fast, reliable solutions that scale. My expertise includes: * Full-Stack Web Development (React, Angular, Node.js) * AI & LLM Applications * REST APIs & Backend Development * Website Recovery & Server Troubleshooting * Database Design (MongoDB, PostgreSQL, MySQL) * Performance Optimization * Cloud Deployment & DevOps * UI/UX Implementation Some of the platforms I've worked on include: • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ • _Website not available. Sign in: https://www.twine.net/signup_ I believe in clear communication, timely delivery, and building long-term relationships with my clients. Whether you need a quick bug fix, a production issue resolved, or a complete web application built, I'm ready to help turn your ideas into reality.

Available to hire

I’m a Full-Stack Software Engineer with 3+ years of experience building scalable web applications, AI-powered platforms, and modern digital products.

I specialize in React, Angular, TypeScript, Node.js, Python, FastAPI, MongoDB, PostgreSQL, and cloud deployments. Beyond development, I help clients solve complex technical problems—from debugging production issues and restoring websites to building complete SaaS products from scratch.

I’ve developed and deployed multiple live platforms, including educational portals, AI career counseling systems, business websites, and custom web applications. My focus is on writing clean, maintainable code while delivering fast, reliable solutions that scale.

My expertise includes:

Full-Stack Web Development (React, Angular, Node.js)
AI & LLM Applications
REST APIs & Backend Development
Website Recovery & Server Troubleshooting
Database Design (MongoDB, PostgreSQL, MySQL)
Performance Optimization
Cloud Deployment & DevOps
UI/UX Implementation

Some of the platforms I’ve worked on include:
• Website not available. Sign in: https://www.twine.net/signup
• Website not available. Sign in: https://www.twine.net/signup
• Website not available. Sign in: https://www.twine.net/signup
• Website not available. Sign in: https://www.twine.net/signup
• Website not available. Sign in: https://www.twine.net/signup
• Website not available. Sign in: https://www.twine.net/signup

I believe in clear communication, timely delivery, and building long-term relationships with my clients. Whether you need a quick bug fix, a production issue resolved, or a complete web application built, I’m ready to help turn your ideas into reality.

Skills

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Intermediate

Intermediate

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Work Experience

Forward Deployed Engineer at ZOMATO (NUGGET)

February 1, 2026 - Present

Deploy conversational voice AI agents for enterprise clients (Tata 1mg, Dot & Key, Volo Health, KreditBee), driving each deployment from telephony setup and prompt engineering through go-live in 6–8 weeks. Architect API orchestration layers (Python) to support LLM tool-calling with a reported 95% tool-call success rate, reducing per-turn voice response latency from 1,600ms to 1,000ms across 10,000+ voice interactions per month. Build reusable prompt templates and conversation workflows across 3 active voice agents, improving automation success from 77% to 92% and reducing human escalation by 20–30% (including deflecting ~80% of Dot & Key inbound call volume away from agents). Identify and escalate critical STT/transcription gaps (empty transcript failures on acknowledgment sounds, missing word-level timestamps, absent language detection), prioritizing fixes that recovered an estimated 10–20% of previously dropped turns in production.

Software Engineer at SAGE (Formerly Fyle)

August 1, 2025 - January 1, 2026

Led a full architectural migration of an Outlook Add-in from AngularJS to Angular 20, including MSAL authentication, Microsoft Graph integration, Netlify CI/CD, and Microsoft Marketplace submission. Delivered a 100% regression-free production rollout with zero post-launch support tickets. Implemented cross-browser authentication fallback strategies (MSAL + legacy support), reducing add-in load time from 4–5 seconds to under 2 seconds and eliminating auth failure errors in mismatched browser environments. Redesigned modular frontend architecture to reduce build times to under 2 minutes and speed up new-feature integration for developers; resolved 3–4 high-severity production incidents per month with average resolution under 3 hours.

Co-Founder & Tech Lead at CUET TESTKNOCK

December 1, 2023 - Present

Built the complete frontend and AWS infrastructure for a CUET exam prep platform, scaling from 400 to 3.5K registered users in 12 months via outreach to 10+ schools and Google Ads, generating Rs. 500K+ annual revenue with 85% student satisfaction. Engineered a mock test engine and payment flow supporting 150+ concurrent users, with 3,000–4,000 students completing tests across 30,000+ hosted questions. Shipped a real-time scoring and ranking engine processing live submissions from 150–200 simultaneous users, computing ranked leaderboards per test and per topic within milliseconds of submission.

MTS-2 (Promoted from MTS-1) at FYLE

December 1, 2023 - July 1, 2025

Delivered 6 major product initiatives in a single quarter, ranking in the top 5 of 50 engineers and receiving all-hands recognition from product leadership for on-time, zero-defect delivery. Optimized infrastructure-level API performance, reducing latency from 1.4s to 800ms for 10,000+ users, and built Nx component libraries that increased frontend development velocity by 40% across the engineering team. Increased end-to-end test coverage by 60% using Playwright, reducing production bugs by 30% and accelerating regression cycles; improved estimation accuracy by 20% through structured pre-implementation trade-off analysis with Product, Design, and Engineering.