Hi, I'm Petar Kostadinov

JavaScript Developer

Hardworking and with a strong desire to learn new things. Experienced in different professional fields and ready for new challenges.

petar_vs@outlook.com

+359 988 821 444

Burgas, Bulgaria

Petar Kostadinov, software developer

About Me

Petar Kostadinov, software developer

Full-Stack JavaScript Developer

I am Petar Kostadinov, a full-stack JavaScript developer with experience building scalable web applications and modern platform solutions. My background includes enterprise development at Financial Times and survey engineering at Ipsos, where I combined development, quality assurance, and client communication. I enjoy solving technical challenges, improving systems, and continuously learning new tools and practices.

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My Journey

Education

05/2020 - 04/2023

JavaScript Developer - Software University (SoftUni)

Completed the full JavaScript development track, including front-end, back-end, applications, advanced JavaScript, and object-oriented programming.

09/2006 - 05/2010

Transportation equipment and technologies - University 'Prof. Dr. Assen Zlatarov' - Burgas

Graduated with a degree in transportation equipment and technologies.

Experience

08/2023 - Present

Software Engineer - Financial Times

Remote / Bulgaria

  • Develop and maintain enterprise-scale web applications using modern JavaScript and TypeScript.
  • Design and improve scalable frontend and backend solutions while maintaining high code quality.
  • Contribute to cloud infrastructure, platform modernization, migrations, and service integrations.
  • Implement secure configuration and secrets management, and improve observability and monitoring.
  • Collaborate in Agile teams through planning, code reviews, and knowledge sharing.
05/2021 - 10/2022

Survey Developer - Ipsos

Remote / Bulgaria

  • Created questionnaires based on client materials while meeting strict deadlines.
  • Implemented updates and improvements to existing projects with strong quality focus.
  • Combined development, QA, and direct communication with clients and project managers.

My Skills

Technical Skills

JavaScript TypeScript C# HTML CSS Express React Bootstrap LitHTML REST GraphQL Jest Mocha/Chai MongoDB AWS Cloudflare CircleCI Doppler Grafana

Languages & Soft Skills

  • Bulgarian — 100/100
  • English — 80/100
  • Soft skills: Attention to detail, Problem-solving, Teamwork and Collaboration, Continuous Learning, Communication, Adaptability

Projects & Certificates

ShoppingWell (MERN)

My defense project for the React JS course at SoftUni.

View project

MyReactChat

Real-time application built with Socket.IO.

View project

Certificates

  • Containers & Cloud
  • React JS
  • JS Back-end
  • JS Applications
  • JS Advanced
  • C# OOP
  • C# Advanced

GitHub

All of my tasks and projects are available on GitHub.

Visit GitHub

Contact Me