Dimitar Dulev

Senior Full-Stack Engineer

hello@dulev.dev|+359-884-905-912|github.com/dulev|dulev.dev/linkedin

01Summary

Senior Full-Stack Engineer with 7+ years building products at scale. Led frontend and backend development for applications serving millions of users, including checkout flows, search systems, and admin platforms. Strong product sense with focus on UI/UX, workflow automation, and shipping features that matter. Core stack: React, TypeScript, Node.js, PostgreSQL.

02Experience

The NOLD

Senior Full-Stack Engineer

Sofia · Oct 2023 — Jun 2025

Led frontend development for a second-hand fashion P2P marketplace, collaborating closely with product on UI/UX decisions while also contributing to the Node.js API and admin backoffice.

  • Implemented the majority of frontend flows in the app, owning core user-facing features end-to-end.
  • Fully migrated the marketplace codebase from JavaScript to TypeScript, improving type safety and developer confidence.
  • Moved state management from Redux to React Query, enabling faster feature development across the team.
  • Redesigned checkout flow from multi-step wizard to single-page experience with Stripe integration and guest checkout.
  • Built the backoffice from scratch using Next.js and shadcn/ui, prioritizing great DX and team dev velocity.
  • React
  • TypeScript
  • Next.js
  • Node.js
  • shadcn/ui
  • tRPC
  • Prisma
  • PostgreSQL
  • AWS
  • Stripe

WOOM Health

(acquired by Apricity)

Senior Full-Stack Engineer

Sofia · Madrid · Mar 2021 — Jul 2023

Core engineer on a fertility tracking hybrid app with 2 million users and 200k+ community threads. Worked across the Ionic/Capacitor frontend, Node.js community microservice, and internal backoffice.

  • Led redesign of major app sections (News feed, Community, Calendar, My Fertility) with focus on UX improvements.
  • Replaced Redux with React Query + Jotai, simplifying state management and improving team velocity.
  • Developed community forum microservice from scratch (Node.js/Koa/MongoDB/InversifyJS) with thread subscriptions, voting, and nested replies.
  • Architected CI/CD pipeline with GitHub Actions for automated testing and app store deployment.
  • Created internal backoffice (React/Material-UI) for marketing team to manage in-app advertising campaigns.
  • Established frontend guidelines, REST API design standards, Sentry integration, and E2E testing.
  • React
  • TypeScript
  • Ionic
  • Capacitor
  • Node.js
  • MongoDB
  • Jest
  • Cypress
  • AWS

Scalefocus

Full-Stack Developer

Sofia · Jun 2019 — Sep 2020

Developed a cloud-based consent management platform for a major US healthcare insurance provider.

  • Created React control panel and event-driven serverless backend.
  • Managed AWS infrastructure; collaborated remotely with US-based team.
  • React
  • AWS Lambda
  • Serverless

Centroida Software

(acquired by ScaleFocus)

Backend Developer

Sofia · Jun 2018 — Apr 2019

Contributed to a peer-to-peer science discovery platform built on Hyperledger Fabric.

  • Designed and implemented smart contracts (Golang) and set up blockchain infrastructure with Docker.
  • Developed the Express.js API layer.
  • Hyperledger
  • Golang
  • Express.js
  • Docker

03Side Projects

StringPal

Music Practice Platform

Oct 2025 — Present

Built a practice platform for guitarists. Features an A-B looper for YouTube videos with real-time pitch shifting and custom illustrations. Includes metronome exercises with community sharing, practice routines with timers, and a rich text editor with AlphaTab guitar notation.

  • TanStack Start
  • React
  • PostgreSQL
  • Drizzle ORM
  • Chrome Extension

Clipsbee

AI Video Creation Platform

Mar 2024 — Aug 2025

Built a platform enabling users to generate animated videos from text prompts, with a custom text-based video editor. Architected the rendering pipeline: LLM-powered script generation, phonetic transcription, lip-sync animation, and a custom 2D SVG scene renderer. Deployed production rendering with Remotion on AWS Lambda and Trigger.dev for job orchestration.

  • TypeScript
  • React
  • TanStack Router
  • TanStack Query
  • Remotion
  • AWS Lambda
  • Lemon Squeezy
  • OpenAI/Anthropic

04Education

  • SoftUni Software Academy(2014 — 2015)
  • Computer Science — Sofia University "St. Kliment Ohridski"(2016 — 2020)
  • Teaching Assistant, Functional Programming — Sofia University "St. Kliment Ohridski"

05Personal

Outdoor activities — running and hiking. Geeking out about the JavaScript ecosystem, DX, and automations. Love building delightful apps.