Rinat Sepsi

Senior Front-end Engineer
Vetted by

Team lead / Senior Software Engineer. Skilled in TypeScript/JavaScript, React, Redux/MobX,RxJS, Apollo/GraphQL. My mathematical and logical thinking, coupled with a quick learning ability and stress resistance, enable me to easily tackle complex challenges.



Vetting results

Senior Front-end Engineer

TypeScript;React 2;Redux;GraphQL;




  • Primary programming languages and frameworks: JavaScript/TypeScript, React/Redux
  • Other languages: PHP
  • Markup language HTML5/CSS3
  • Control Versions: Git, SVN
  • Databases: MySQL, SQLite
  • Package Managers: Gulp, Grunt, Composer, Bower, WebPack
  • Libraries: JQuery
  • PHP Framework: Symfony 3
  • Technologies: WebSocket, Ajax, POST, GET
  • CSS Extension: SASS, SCSS, Bootstrap, Foundation etc.
  • Template Engines: Smarty, Twig
  • CMS: WordPress
  • OS: Linux, Unix, Mac OS, FreeBSD, Windows Server

Work Experience

Senior Front End engineer, Technology Company, 2020 – 2023

  • Developing and maintaining UI components using Typescript and React
  • Implementing state management using MobX / React-Redux
  • Data processing and manipulation
  • Improving user interaction and overall user experience
  • Optimizing application loading performance
  • Participating in code reviews and providing constructive feedback to other team members and testing to ensure high quality and maintainability
  • Uploading and saving user data to an external Amazon AWS S3 server
  • Coordinating and communicating with the customer to ensure requirements are met
  • Implementing all tasks within the technical capabilities of the application environment
  • Collaborate with other team members to ensure the project is delivered on time and meet the expectations
  • Troubleshoot and debug any issues that may arise during the development process
  • Continuously Monitoring and improving the application's performance and scalability
  • Keeping up-to-date with the latest technologies and industry trends related to the project
  • Implementing user authentication and authorization mechanisms
  • Creating and maintaining documentation for the project, including technical specifications and user manuals
  • Collaborating with designers and other stakeholders to ensure a cohesive and visually the appealing user interface
  • Demonstrating the functionality of the application to stakeholders and potential customers through regular demos and presentations

Architect / Team Lead FullStack Engineer, Technology Company, 2020 – 2022

  • Providing consulting services and stabilizing many projects, as well as building new teams
  • Architect / Team Lead FullStack Engineer at FML (Micro Front-End)
  • Photobucket
  • Capita SWD

Team Lead Front-End (React) Engineer, Technology Company, 2019 – 2020

  • Front-End (React) Developer at TL2020, FC2020; PD2020
  • FML Project (MicroFront-End)

Senior Front-End (React) Engineer, Technology Company, 2018 – 2019

  • Front-End (React) Developer
  • Continuously Monitoring and improving the application's performance and scalability
  • Improving user interaction and overall user experience
  • Cross-Browser and Cross-Device Compatibility
  • Performance Optimization

Middle Front-End (React) Engineer, Technology Company, 2017 – 2018

  • Front-End (React) Developer
  • Continuously Monitoring and improving the application's performance and scalability
  • Improving user interaction and overall user experience
  • Cross-Browser and Cross-Device Compatibility
  • Performance Optimization

Middle Front-End (React) Engineer, Technology Company, 2014 – 2017

  • Collaborating with cross-functional teams, including UI/UX designers and back-end developers, to understand project requirements and contribute to the overall product design and user experience.
  • Implementing front-end solutions with clean and efficient code, following best practices and coding standards.
  • Participating in code reviews, providing feedback and suggestions to improve code quality and maintainability.
  • Integrating RESTful APIs and worked closely with back-end developers to ensure smooth communication between the front-end and back-end systems.
  • Ensuring application performance and scalability by optimizing rendering, minimizing network requests, and improving overall code efficiency.
  • Conducting thorough testing and debugging to identify and resolve issues, ensuring the reliability and stability of web applications.
  • Collaborating with UI/UX designers to implement responsive and visually appealing user interfaces, following design guidelines and maintaining consistency across the application.
  • Staying up-to-date with the latest front-end technologies, frameworks, and industry trends, incorporating them into projects when appropriate.

Specialist of information technology. Supervisor sector exploitation, Technology Company, 2007 – 2013

  • Diagnosing and repairing (troubleshooting OS, TENAX, ONIX, 1C, partial removal of hardware failure, maintenance Voip telephony, with the exceptions set PABX, maintaining channels of communication, video surveillance)
  • Delivering equipment to be repaired in case of failure of hardware, as well as the repair and tuning. Ongoing work
  • Maintaining a log of calls and ongoing operations
  • Installing, maintaining, and upgrading/patching Operating Systems MS Windows
  • Began the study of Linux and VMware systems

Assembling works - Linear Master, Technology Company, 2007 – 20107

  • Cable operation
  • Connection of network subscribers, as well as the organization highways.
  • On technology Ethernet - LAN and Fiber To The Home and Office - Fiber Optic System Design Software


I am writing to enthusiastically recommend Rinat for the position of Senior Front End engineer. Having had the pleasure of working closely with him during his tenure at our company, I have witnessed his exceptional skills and contributions in the field of software development. During his tenure as a Senior Front-End Engineer, Rinat showcased exceptional technical abilities and leadership qualities. He/ was responsible for developing and maintaining UI components using TypeScript and React, implementing state management with MobX/React-Redux, and optimizing application loading performance. He actively participated in code reviews, providing valuable feedback to improve code quality and maintainability.


Julia M

Project manager


Rinat Sepsi

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