Iskander Gubaidullin Frontend Developer

Frontend Developer · Yerevan, Armenia

Iskander
Gubaidullin

Frontend Developer with 5+ years of experience building enterprise web applications, developer platforms, banking and trading interfaces, and high-load client-side systems. Strong in React, TypeScript, JavaScript, Redux, API integration, legacy migrations, frontend performance, testing modernization, complex data tables, and clean maintainable UI architecture.

Profession
Frontend Developer
Technologies
React, TypeScript, JavaScript, Redux
Telegram
@zhpg7
E-mail
fadeout01@gmail.com
Phone
+374 91 250 346
Location
Yerevan, Armenia
Education
Specialist Degree, Physics and Mathematics — Bashkir State Pedagogical University, 2008
Languages
Russian (native), English (B2 Upper Intermediate)

02 / Selected results

Achievements

03 / Toolkit

Core skills

Frontend
React, TypeScript, JavaScript, HTML5, CSS3, Redux, Redux Toolkit, Node.js
UI & Data
AG Grid, Ant Design, complex tables, analytics workflows, high-load browser interfaces
Testing / Tooling
React Testing Library, Jest, Webpack, Git, GitLab CI/CD, Jenkins, REST APIs

04 / Career

Experience

Jump to EPAM Bell Integrator Mobill Plus

EPAM Systems

Frontend Developer · Jun 2023 – May 2026

Enterprise web platforms across automotive, banking, trading, API gateway, and internal portal products.

  • Migrated AWS SDK v2 to v3 for edmunds.com infrastructure, refactoring legacy code, updating unit tests, and reducing code volume by about 50%.
  • Replaced Enzyme-based tests with React Testing Library, improving UI test stability and making component behavior easier to validate.
  • Set up frontend metrics collection for a banking product and removed performance bottlenecks based on measured UI data.
  • Refactored API Gateway frontend to TypeScript and introduced mandatory code review practices for stronger code quality control.
  • Worked on trading platform modernization from JSF to React / TypeScript, building AG Grid and Ant Design interfaces for complex data workflows.

Stack

  • React
  • TypeScript
  • JavaScript
  • Redux
  • React Testing Library
  • Jest
  • AG Grid
  • Ant Design
  • REST APIs

Bell Integrator

React Developer · Apr 2022 – Jun 2023

B2B banking interfaces, internal APIs, corporate web applications, Scrum delivery.

  • Developed React / TypeScript / Redux interfaces for B2B banking scenarios under strict design and technical requirements.
  • Refactored legacy UI modules and moved business logic into maintainable React components.
  • Integrated frontend with internal banking APIs in close collaboration with backend engineers and QA teams.
  • Optimized Webpack build processes, reducing local build time by 20% and improving developer workflow.
  • Supported engineering quality through peer code reviews, technical task evaluation, and 6+ frontend candidate interviews.

Stack

  • React
  • TypeScript
  • Redux
  • Redux Toolkit
  • Webpack
  • REST APIs
  • Git
  • Agile / Scrum

Mobill Plus

JavaScript Developer · Jul 2020 – Apr 2022

Information systems, interactive JavaScript modules, legacy frontend support.

  • Built client-side architecture and interactive JavaScript modules for information systems from scratch.
  • Optimized browser performance for interfaces handling tens of thousands of JavaScript objects and complex wiring diagrams.
  • Replaced unsafe eval-based data processing with structured JSON, improving client-side security and maintainability.
  • Maintained legacy jQuery UI modules while preserving backward compatibility and documenting reusable frontend components.

Stack

  • JavaScript
  • HTML
  • CSS
  • jQuery UI
  • Git
  • REST APIs