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Emanuil m

@emanuilm

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Full-Stack Developer at DCVX who improved backend response times by up to 70% and shipped web and mobile applications.

Bulgaria

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At DCVX, I owned development of production web and mobile applications used by 200,000+ users. I improved backend response times by up to 70% by optimizing MongoDB queries, indexes, aggregation pipelines, and application logic.

I published and maintained React Native applications on the App Store and Google Play, and owned CI/CD pipelines and deployments across AWS and Heroku. I also built Puppeteer web-scraping and browser-automation pipelines to collect and integrate external data.

As an Independent Contractor, I built and maintained full-stack applications from requirements through deployment, integrated third-party services and REST APIs, and fixed issues in existing codebases. I also built Node.js and TypeScript automation tools and an AI-assisted code analysis tool using LLM APIs.

Experience

Work history, roles, and key accomplishments

Full-Stack Software Engineer

Independent Contractor

Aug 2025 - Sep 2026 (1 year 1 month)

Built and maintained full-stack web applications using Node.js, Express, and React, owning projects from requirements to deployment. Integrated third-party services and REST APIs, and built internal tools and an AI-assisted code analysis tool.

NodeJS Express React TypeScript JavaScript REST APIs Google API MongoDB Redis Firebase Supabase Socket.IO Laravel PHP Git CI CD AWS Heroku Sentry Puppeteer app store Google Play

Full-Stack Developer

DCVX

Dec 2021 - May 2025 (3 years 5 months)

Owned development of production web and mobile applications using React, React Native, Node.js, MongoDB, and REST APIs, supporting products used by 200,000+ users. Improved backend response times by up to 70% and led junior developers.

React React Native NodeJS MongoDB REST APIs Puppeteer AWS Heroku Sentry CI CD app store Google Play

Education

Degrees, certifications, and relevant coursework

SoftUni

JavaScript Path, JavaScript

Completed the full JavaScript Path at SoftUni, covering programming fundamentals through building web applications with React and Angular, and building APIs with Node.js.