Dimitar Slaev, Developer in Geneva, Switzerland
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Dimitar Slaev

Verified Expert  in Engineering

Front-end Developer

Location
Geneva, Switzerland
Toptal Member Since
May 24, 2018

Dimitar is a senior front-end engineer with 10 years of experience building web apps. He is proficient with React, TypeScript, UI development, API integration, and front-end architecture, and with additional experience in back-end development using Node.js, MongoDB, and Firebase. Dimitar's notable achievements include being promoted to a lead position in a US-based startup with clients such as Uber and the Gates Foundation.

Portfolio

Alma Media
React, TypeScript, Node.js, Material UI, Storybook, Figma, Amazon S3 (AWS S3)
BuzzCast
JavaScript, React, Redux, Redux-Saga, Redux Thunk, GraphQL, CSS, Storybook...
Platform Design Agency
JavaScript, CSS, Animation, React

Experience

Availability

Part-time

Preferred Environment

Node.js, Visual Studio Code (VS Code), MacOS

The most amazing...

...achievement I've had was being promoted to a lead position in a US-based virtual events startup with clients such as Uber and the Gates Foundation.

Work Experience

Senior Front-end Engineer

2022 - PRESENT
Alma Media
  • Developed new features using React, TypeScript, Jest, Storybook, and Agile methodology.
  • Collaborated closely with product managers, designers, back-end developers, and QA.
  • Delivered a complete e-invoicing solution based on the PEPPOL standard, including UI and REST API integration.
  • Updated the back end, including OpenAPI specs, database migration, integration, and end-to-end tests.
  • Participated actively in internal review meetings to demo new features to stakeholders.
  • Led the development of a multi-brand design system using Figma, React, and Atomic Design principles.
  • Documented solution architecture, best practices, and business logic in Confluence.
Technologies: React, TypeScript, Node.js, Material UI, Storybook, Figma, Amazon S3 (AWS S3)

Lead Front-end Engineer

2020 - PRESENT
BuzzCast
  • Brought the initial proof-of-concept to a production-ready platform used by thousands of users.
  • Promoted to a lead position for having a primary contribution to the front-end codebase.
  • Created libraries for shared components, editable tables, and utilities.
  • Separated the UI from business logic to improve code reusability and test coverage.
  • Interviewed, onboarded, and provided guidance to new members of the front-end team.
  • Discussed technical feasibility and estimated development effort with higher management.
Technologies: JavaScript, React, Redux, Redux-Saga, Redux Thunk, GraphQL, CSS, Storybook, Sass, Amazon Cognito

Senior Front-end Engineer

2019 - 2020
Platform Design Agency
  • Developed an award-winning website with interactive animations.
  • Developed client sites while ensuring browser support and performance.
  • Promoted clean code principles among the team, specifically DRY, YAGNI, and modular architecture.
Technologies: JavaScript, CSS, Animation, React

Front-end Engineer

2017 - 2018
Unilend
  • Worked in a team following a well-established Agile methodology.
  • Developed a UI to facilitate data entry from bank statements using OCR.
  • Developed a CSV importer with complex validation logic.
  • Documented new features and best practices using Confluence.
Technologies: JavaScript, CSS, Responsive, DataTables, Forms, Object-oriented Programming (OOP), Sass, Twig, PHP

Languages

CSS, JavaScript, HTML5, TypeScript, HTML, GraphQL, Sass, PHP

Frameworks

Material UI, Bootstrap, Twig, Redux

Libraries/APIs

React, Node.js, Highcharts, Pipedrive API, Anime.js, Redux-Saga

Paradigms

Responsive Web Design (RWD), Responsive, Object-oriented Programming (OOP)

Other

Front-end, Sketch to HTML, PSD to HTML, CSS3 Animation, Scripted Animation (JavaScript), UI Development, UI Animation, Cloudflare, Pixel Perfect, Postmark, Styled-components, Logo Animation, Animation, Forms, Communication, Writing & Editing, Presentations, Public Speaking, Programming, Digital Marketing, Storybook

Platforms

Firebase, MacOS, Mapbox

Tools

Hotjar, Browserify, Composer, Ecwid, Redux Thunk, Figma, DataTables, Amazon Cognito

Storage

Amazon S3 (AWS S3)

2006 - 2010

Bachelor's Degree in Communications and Marketing

Hult University - London, UK

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