Rupak Sapkota.

Sponsorvista

Frontend Developer · Part-time

• Led frontend development on a three-person team building a multi-tenant sponsorship management platform, owning navigation architecture, dashboard UX, frontend performance and code review.
• Moved data loading to server-side rendering in Next.js, removing a full-page loader that blocked the interface on every refresh.
• Restructured a codebase weighed down by unmanaged packages into separate API, hook and UI layers, moving data fetching to TanStack Query and reducing the bundle.
• Built deal-management views with infinite scrolling, bulk actions and server-side prefetching.
• Set up GitHub Actions CI/CD and added telemetry, API error tracking and Web Vitals monitoring for production.

Stack: Next.js, React, TypeScript, TanStack Query, Zustand, Storybook, Jest, Docker, GitHub Actions

Compfeed

Full-Stack Engineer · Contract

Joined as Backend Engineer; full-stack from June 2025.

• Migrated the existing Express.js backend to NestJS alongside ongoing feature work, making backend functionality easier to extend, and worked on Docker-based deployment workflows.
• Built Playground and Manifest features and component dashboard functionality in Next.js, React and TypeScript, coordinating collaborative editing with changing workflow data.
• Built a custom Figma MCP integration and AI-assisted documentation that turns linked design context into first drafts for people to review and refine.
• Implemented rate-limit-aware background synchronization and retry handling for the Figma integration, and took over maintenance of the Figma widget and its data flows.
• Built a support-ticket triage service with NestJS, LangChain and OpenAI that classifies and filters incoming user issues before they reach the team.

Stack: Next.js, React, TypeScript, NestJS, Express.js, PostgreSQL, Redis, Firebase, WebSockets, Figma API, MCP, LangChain, OpenAI, Pinecone, Docker, GCP

Amoeba Labs

Technical Feasibility Tester · Part-time

• Assessed designs for four client projects against engineering constraints before handoff, flagging what would be costly, risky or impractical to build.
• Introduced a structured feasibility review between design and development, giving developers clearer handoffs and reducing rework.

Braimy

Full-Stack Developer

• Built the initial React web application, admin tools and NestJS backend, working alongside the legacy Express API on MongoDB, then continued development as the team grew to five developers.
• Built and ran the knowledge-base service behind Big-B, the platform’s AI assistant: deduplicating and splitting learning material, retrieving relevant passages for Gemini, and delivering answers through Bull and Redis background jobs and Socket.IO.
• Built semantic search with Gemini embeddings and MongoDB Atlas Vector Search, image-to-question search with Mathpix OCR, and ranking that normalizes mathematical notation.
• Built a Lexical-based editor for mathematical notation, images, tables and code, and admin tools to flag and correct AI answers.
• Owned forums, notifications and real-time updates, plus deployment and monitoring with Docker, PM2 and GitHub Actions.

Stack: React, TypeScript, Lexical, NestJS, Express.js, MongoDB, Redis, Bull, Socket.IO, Gemini, Docker

Read the Braimy case study →Case study: sapkotarupak.com.np/work/braimy

Scholarsspace

Junior Full-Stack Developer

• Built course discovery, discussion threads and progress tracking in React, backed by Node.js and Express REST endpoints for content delivery and activity tracking.
• Fixed bugs and took part in code reviews and sprint planning with senior engineers.

Stack: React, Node.js, Express.js

Diploma in Information Technology

Nepal Banepa Polytechnic Institute