Simera Professional Key (SPK)

Oleg P

Senior Frontend Engineer

$ 8,700/month

10+ yrs exp

Having almost a decade of experience in the frontend development industry, I have acquired highly proficient skills in HTML, CSS, JS/TS, and an unwavering passion for creating visually stunning and intuitive user experiences. Furthermore, I possess extensive experience in leading and mentoring teams of developers, supporting their growth and development, and ensuring the delivery of high-quality work. Additionally, I have mentored independent developers outside of my teams, which has allowed me …

Skills

  • AngularJS
  • CSS
  • CSS3
  • Docker
  • Git
  • HTML
  • HTML5
  • JavaScript
  • MongoDB
  • Node.js
  • React
  • Typescript
  • Xcode
  • JavaScript ES6
  • Angular
  • Content Developer
  • Editor
  • ExpressJS
  • Front End Developer
  • Full Stack
  • NestJS
  • NextJS
  • ReactJS
  • Vuex
  • Frontend Development
  • Backend Development (Node.js with TypeScript).
  • Fullstack
  • editar
  • Express
  • Ads developer
  • Angular+17
  • Develper
  • codex
  • Typescrtipt
  • rich text editor
  • Quill
  • Prosemirror

Oleg P

Senior Frontend Engineer

$ 8,700 /month

Part Time: $ 520/month

10+ yrs exp

Having almost a decade of experience in the frontend development industry, I have acquired highly proficient skills in HTML, CSS, JS/TS, and an unwavering passion for creating visually stunning and intuitive user experiences. Furthermore, I possess extensive experience in leading and mentoring teams of developers, supporting their growth and development, and ensuring the delivery of high-quality work. Additionally, I have mentored independent developers outside of my teams, which has allowed me …

Skills

  • AngularJS
  • CSS
  • CSS3
  • Docker
  • Git
  • HTML
  • HTML5
  • JavaScript
  • MongoDB
  • Node.js
  • React
  • Typescript
  • Xcode
  • JavaScript ES6
  • Angular
  • Content Developer
  • Editor
  • ExpressJS
  • Front End Developer
  • Full Stack
  • NestJS
  • NextJS
  • ReactJS
  • Vuex
  • Frontend Development
  • Backend Development (Node.js with TypeScript).
  • Fullstack
  • editar
  • Express
  • Ads developer
  • Angular+17
  • Develper
  • codex
  • Typescrtipt
  • rich text editor
  • Quill
  • Prosemirror

Senior Frontend Engineer

ClickUp
March 2025 - present

Work on the Quill-based editor used in ClickUp Docs, focusing on stability and data integrity for large collaborative documents. Fix critical bugs that could corrupt document content and improve consistency of the editor’s internal state. Contribute to the editor’s core architecture by adding new custom blots and extending existing ones to support features like unfurls and advanced tables. Lead improvements for copy-pasting from external sources (Google Docs, Notion, Word, etc.) and build better import flows for DOCX and HTML content. Maintain and expand internal documentation for the editor to help the team understand architecture, APIs, and common issues. Work on long-term maintainability: refactoring old code, cleaning up technical debt, and making the editor behaviour more predictable in collaborative scenarios.

Full Stack Engineer

Juro
August 2023 - March 2025

Led the implementation of custom fonts support for the Editor, including technical design, solution integration, and team management. Participated in improvements in performance, functionality, and reliability of docx to Prosemirror converter server. Implemented and enforced new pull request guidelines company-wide. Executed a major Chromium update for internal services, reducing tech debt and supporting legacy code. Conducted and documented an investigation of migrating to a new core library for the Editor.

Senior Frontend Developer

Reedsy
November 2019 - July 2023

Led the development of a major add-on to the Editor for book outlining, planning, and world-building, releasing a public beta with essential functionality. Developed a new version of the Editor tool with a complex layout, document history mode, and customizable widgets for various devices. Established a dependency update flow for frontend libraries and improved CI configurations, saving testing time. Created and implemented user activity tracking to better understand user behavior. Optimized mobile UX and cross-browser styling, improved SEO, and added features like 'Add-to-library' and 'Buy book' to blog posts. Improved PageSpeed scores for blog posts from 20 to 90, reducing page load times from 10 seconds to less than 1 second. Integrated Goodreads into users’ libraries and Typeform into Discovery blog posts for interactive quizzes. Implemented new features and designed a user-friendly interface for the Reedsy Discovery application.

Frontend Team Lead (Part-time)

Self-employed
January 2019 - July 2023

Led a distributed team of 5 frontend developers, overseeing the development of applications like 'docuForce' and 'RM-Keeper'. Implemented 'docuForce,' streamlining document exchange with electronic signature support and eliminating the need for paper duplication. Developed 'RM-Keeper,' providing comprehensive tools for managing logistics processes related to physical archival storage with integrated security and audit tracing. Responsible for hiring, coordinating, and supporting the development team, ensuring high-quality code and product. Made architecture decisions and oversaw building and automating the development cycle, resulting in stable features with low bug levels. Grew the team from 1 to 5 developers and implemented several complex web and mobile applications. Designed and implemented solutions for digital signatures, processing large PDF/Excel documents, and editing routes for electronic documents. Created an in-house UI kit and components library, integrating CI/CD processes into the workflow.

Senior Frontend Developer

Aitarget
November 2018 - November 2019

Conducted cross-team code reviews, improving adherence to core programming principles and testing practices. Developed the frontend of a new app, delivering the MVP in under a month, and continued to add features and improvements. Created the Analyzer app to evaluate Facebook ads and provide personalized improvement plans. Delivered the Optimizer app to enhance Facebook ad campaigns and reduce spending by offering detailed, business-specific solutions. Implemented unit and E2E tests to ensure stability and quality of tools.

Frontend Developer

NSTR Space Systems
May 2018 - November 2018

Developed the complete frontend of a web application for NSTR Space Systems using React. Leveraged WebSockets and MessagePack protocols for communication with telescopes. Created a library of user profile components for scheduling observations, taking photos, and managing telescopes. Successfully launched a private beta version of the online observatory service, ensuring a fully functional and user-friendly frontend.

Frontend Developer

Anti-Corruption Foundation (FBK)
September 2016 - March 2018

Developed the frontend for Alexei Navalny’s 2018 presidential campaign website, enhancing user interface and experience. Contributed to the frontend development of Leviathan, a news feed highlighting absurd and cynical news in Russia. Developed the frontend for the Voda service, facilitating reports of legal violations regarding water access. Created the text version of the documentary 'Don’t call him Dimon,' detailing alleged corruption by Dmitry Medvedev. Worked on internal services, including analytics tools, a Sir Trevor JS-based blog content editor, and a voter signature collection system, ensuring intuitive UI and excellent UX.

Mentor (Part-time)

HTML Academy
January 2016 - January 2020

Mentored 71 out of 121 students to successful course completion, exceeding the average success rate. Conducted 28 courses in HTML, CSS, JavaScript, and React with an average student feedback rating of 9.75 out of 10. Provided detailed consultation, performed code reviews, and evaluated final projects for quality and technical compliance. Authored tasks for JavaScript courses and contributed to project specifications. Conducted mentor interviews for JavaScript courses from July 2017 to July 2018.

Frontend Developer

O¨U Grape Communications
November 2014 - September 2016

Actively involved in redesigning the EE24 platform, using Bootstrap and Django templates. Implemented new features and functionalities, ensuring alignment with design specifications. Developed and implemented admin dashboards for moderation functionality. Contributed to making the platform user-friendly, functional, and responsive to user needs.

Smart Scores

Role Fit
95