Senior Frontend Developer · Yerevan, Armenia

Iskander
Gubaidullin

Senior Frontend Developer with 14 years in software engineering — 11+ of them focused on frontend, including 8+ years at EPAM Systems building and modernizing enterprise web applications at scale for clients such as Acoustic L.P., Edmunds.com and Moscow Exchange. Specialist in legacy migration: rebuilt JSF and AngularJS applications on React/TypeScript, modernized test suites from Enzyme to React Testing Library, and rolled out performance instrumentation and lint standards across several hundred frontend packages. Also builds shared component libraries, high-load data-heavy interfaces, Node.js/NestJS services, and LLM integrations on both hosted APIs and self-hosted inference. Used to working directly with customers and business analysts on requirements — not only tickets.

Download CV

Profession: Frontend Developer
Technologies: React, TypeScript, JavaScript, Redux
Telegram: @zhpg7
E-mail: fadeout01@gmail.com
Phone: +374 91 250 346
Location: Yerevan, Armenia
Availability: Open to remote (EU hours) or relocation
Education: Master's Degree, Physics & Mathematics — M. Akmulla Bashkir State Pedagogical University, 2003–2008
Languages: Russian (native), English (B2 Upper Intermediate)
Github: github.com/unfalse
LinkedIn: iskander-goubaidullin
Website: unfalsecoding.net

02 / Selected results

Achievements

Migrated AWS SDK v2 to v3 across edmunds.com infrastructure, reducing legacy code volume by about 50% and updating unit test coverage.
Rolled out custom performance instrumentation and ESLint standards across several hundred frontend packages in a single customer ecosystem.
Rebuilt a legacy JSF banking application on React and TypeScript, gathering requirements directly with the customer and business analyst.
Migrated enterprise UI test suites from Enzyme to React Testing Library, improving test stability and long-term maintainability.
Reduced local build time by 20% through Webpack optimization in a React/TypeScript application.
Designed a reusable form-building pattern on Ant Design, letting new fintech forms be assembled rapidly with consistent validation and UX.

03 / Toolkit

Core skills

Frontend: React, TypeScript, JavaScript (ES6+), Redux, Redux-Saga, Redux Toolkit, Next.js (App Router), HTML5, CSS3 / SASS / LESS
Backend & data: Node.js, REST APIs, SQL databases
UI & data-heavy: AG Grid, Ant Design, Storybook, design systems, high-load browser interfaces, complex tables
Testing: Jest, React Testing Library, Enzyme, redux-saga-test-plan
Tooling & infra: Webpack, Babel, ESLint, Git, GitLab CI/CD, Jenkins, AWS SDK, DigitalOcean, Nginx
Practices: Legacy migration, component architecture, performance optimization, code review, Agile / Scrum / Kanban
AI integration: LLM APIs, SSE token streaming, self-hosted inference (llama.cpp, CUDA)

04 / Career

Experience

Jump to EPAM Bell Integrator Earlier

EPAM Systems

Senior Frontend Developer / Software Engineer · Jul 2017 – Apr 2026 · Remote

Enterprise web applications, fintech and banking platforms, developer-facing tools — for clients such as Acoustic L.P., Edmunds.com and Moscow Exchange.

Legacy modernization & architecture

Rebuilt a major legacy banking application from JSF to React / TypeScript, working directly with the customer and business analyst to gather requirements and reconstruct functionality on a modern stack.
Rewrote a legacy marketing-and-commerce platform (Acoustic L.P.) on React and contributed to Decibel, the shared component library reused across all of the client's frontend projects.
Refactored an enterprise API documentation portal (ApiDocs) to TypeScript and introduced mandatory code review practices across four related projects.

Performance, tooling & quality

Integrated, fixed and validated custom performance metrics across several hundred frontend packages, and rolled out ESLint rules at that scale without breaking library consumers.
Migrated AWS SDK v2 to v3 for edmunds.com, cutting legacy code volume by roughly half, and modernized the test suite from Enzyme to React Testing Library.
Built "Git Helper" — a Node.js utility generating Excel (.xlsx) reports from Git history to support performance-tracking workflows across the package portfolio.
Contributed React components, styles and Storybook stories to a shared design-system library used by multiple product teams; reviewed PRs and resolved cross-team integration issues.

Enterprise & fintech delivery

Moscow Exchange — rewrote a legacy application on React using AG Grid and Ant Design; ran requirements analysis directly with the customer and business analyst.
VTB Bank — developed and integrated frontend performance metrics into a remote banking system and built Node.js reporting tooling with Excel export.
Developer platforms — API Gateway / ApiDocs for API cataloging, validation, monitoring and version management; EPAM PERF, a delivery-analytics UI aggregating SONAR, JIRA, Gerrit, Jenkins and GitLab; and the referral portal frontend built end-to-end from InVision designs.

Stack

React
TypeScript
Redux
Redux-Saga
AngularJS
Node.js
AG Grid
Ant Design
Jest
React Testing Library
Webpack
GitLab CI/CD
AWS SDK

Bell Integrator

Software Engineer · Mar 2017 – Jul 2017

Sberbank Business Online — enterprise corporate banking platform.

Delivered features for a large-scale corporate banking platform using React, Redux, Reflux, TypeScript, Bootstrap 3, LESS and Webpack.

Stack

React
Redux
Reflux
TypeScript
Bootstrap 3
LESS
Webpack

Earlier experience

JavaScript and C# / .NET development · 2011 – 2017

Legacy maintenance, enterprise portals and internal tooling.

Inline LTD, Ufa — Software Engineer Oct 2016 – Mar 2017
Maintained and extended inherited legacy codebases; built C# backend and ASP.NET / Kendo UI frontend logic for complex data hierarchies and JSON processing; contributed to requirements analysis and prototyping for a CRM system.
Medialux LTD, Ufa — Software Engineer Jun 2016 – Oct 2016
Built custom JavaScript frontend interfaces and workflows for hybrid SharePoint (2013 and Online) environments; configured platform data structures; developed supporting C# / WinForms tooling for internal processes.
Mobill+, Ufa — Software Developer Jun 2014 – Apr 2016
Developed graphical modules for fiber-optic cross-connection schemes; optimized browser performance for interfaces handling tens of thousands of JavaScript objects; replaced eval-based object loading with structured JSON; introduced Git and per-developer local environments.
NPF Geofizika & Medialux LTD, Ufa — Software Engineer 2011 – 2014
C# / .NET: WPF desktop applications for a high-load geophysical data-interpretation system (MVVM, Prism / MEF); ASP.NET web applications with Entity Framework and WCF services; SharePoint 2010 solutions, EDMS integration and internal automation.
Komtek, Ufa — QA Engineer 2011 – 2014
Functional and regression testing of enterprise applications.

05 / Side projects

Projects

Warhammer 40k / System Shock Telegram bot — Node.js bot holding in-character conversations via an LLM API; persona and prompt design, conversation state handling. github.com/unfalse/unfalsewh40kbot
Self-hosted LLM inference environment — llama.cpp with CUDA on a consumer GPU, running as a systemd service; SSE token-streaming React client with Zustand and Tailwind CSS v4 (in progress).
Space Town — browser game prototype in TypeScript with Canvas rendering and no framework: hand-rolled render loop, entity state and input handling. github.com/unfalse/space-town-game
Chrome extension (Manifest V3) — job-application tracker: MutationObserver-based page scanning, popup UI and CSV export.
unfalsecoding.net — personal site, self-hosted on DigitalOcean with Nginx and Let's Encrypt.

Code

github.com/unfalse

IskanderGubaidullin