Lenar Gumerov

Lenar Gumerov

Senior Frontend Engineer

About me

Frontend Engineer with 5+ years of experience in UI-heavy products: editors, dashboards, e‑commerce, and Telegram Mini Apps. Focused on complex interfaces, animations, architecture, design systems, and performance optimization.

Experience

[Meridian AI Fund](https://meridian-ai-fund.com/)
Fullstack Engineer
2 m · From Jul 2026From Jul 2026 · 2 m
Saint Lucia, Remote

AI-fund investment platform — a public product taking real on-chain crypto payments. Owned it across frontend, backend, infrastructure, and analytics.

  • Fullstack work on a live AI-fund platform — an on-chain crypto payment engine, first-party cookieless analytics, and automated deployments.
TypeScriptFastifyPrismaPostgreSQLZodDockerCI/CD
[Cobalt Lab](https://cobaltlab.tech/)
Senior Frontend Engineer
6 m · Oct 2025 — Apr 2026Oct 2025 — Apr 2026 · 6 m
Cyprus, Remote

Real-money iGaming platform. Joined mid-rebuild — a UI redesign running in parallel with an architecture rework, on top of heavy accumulated legacy.

Architecture & refactoring

  • Key refactors — network layer centralization, splitting 2–3k-line god components and stores (with legacy parity), Vue 3 typing standardization, and security hardening across user flows.

Product & features

  • As one of two frontend engineers, owned 18+ end-to-end product features across 50+ epics — retention events, onboarding, new banner system, referral program, reward claim.

Process & team

  • Every feature shipped through a full production cycle — responsive, unit-tested, localized, CDN + WebP, PostHog tracking.
VueTypeScriptPiniaViteVitestTailwind
Freelance
Freelance
Senior Frontend Engineer (Vue, Nuxt)
9 m · Jan 2025 — Oct 2025Jan 2025 — Oct 2025 · 9 m
Remote

Independent product work — web apps and Telegram Mini Apps across iGaming, e-commerce, and crypto.

  • Built SPA and product interfaces using Vue / Nuxt.
  • Delivered landing pages and product pages with animation and responsive layout.
VueNuxtTypeScriptPiniaTailwindMotion.js
Orbit — [Portal](https://t.me/orbit_portal_bot)
Orbit — Portal
Senior Frontend Engineer
6 m · Sep 2024 — Mar 2025Sep 2024 — Mar 2025 · 6 m
Dubai, Remote

Telegram gaming platform that grew to 1M users.

Product & features

  • Led the frontend of a Telegram gaming platform from pre-launch to 1M users, owning UI and core business logic (rewards, purchases, ads)
  • Delivered rich animated interactions and visual theming based on user-selected Telegram styles using Motion.js, custom particle systems, and Spline-based animations
  • Designed and built platform‑level components and reusable UI for partner Telegram Mini Apps, including shared services (authentication, profiles, balance & inventory sync, leaderboards)

Performance

  • Optimized for Telegram Mini Apps constraints: reduced initial JS payload by 55% (from 1.1 MB to 490 KB gz) via code-splitting, tree-shaking, and asset deduplication
TypeScriptMotion.jsTailwindWeb Performance Optimization
Incymo — [SmartUA](https://incymo.ai/smartua/)
Incymo — SmartUA
Senior Frontend Engineer
1 y 4 m · Jun 2023 — Sep 2024Jun 2023 — Sep 2024 · 1 y 4 m
Tbilisi, Remote

AI tooling for generating ad creatives.

Product & features

  • Built a complex Canvas-based image and video editor with multi-layer support, timeline, batch imports, and an animation system
  • Designed and implemented an ad banner generator with a flexible template system and post‑generation editing
  • Led a full UI redesign from a legacy Android-style interface to a modern Material 3+ design system
  • Built analytical dashboards with charts and visual summaries across multiple ad networks, reducing campaign review time from ~10 to ~2 minutes
VueTypeScriptPiniaVuetifyTailwindDesign Systems
Icons8 LLC — [Icons](https://icons8.com/icons)
Icons8 LLC — Icons
Frontend Engineer
1 y 9 m · Oct 2021 — Jun 2023Oct 2021 — Jun 2023 · 1 y 9 m
Innopolis, Remote

Icon and design-asset platform.

Product & features

  • Built the Iconizer SVG editor on Paper.js (grouped downloads, editable previews, syntax-highlighted embed code) and a cross-project atomic UI component library shipped across Icons8 products
  • Improved in-product ad UX, increasing CTR by 18% and achieving 72% viewability

Performance

  • Optimized performance using lazy loading, SSR, and image compression — LCP −42%, CLS 0.03, image payload −55%
VueNuxtVuexPaper.jsSVGWeb Performance Optimization
[MKSKOM LLC](https://mkskom.ru/)
Frontend Engineer
7 m · Feb 2021 — Aug 2021Feb 2021 — Aug 2021 · 7 m
Moscow, Remote

Document-heavy enterprise system.

  • Developed isolated SPA modules integrated into a legacy monolithic system, including PHP‑based integrations
  • Implemented a complex editable table with nested forms and full mobile responsiveness
VueSCSSModular Frontend

Key Skills

VueTypeScriptNuxtPiniaTailwindVuetifyVitestWeb Performance OptimizationGitREST API

Education

[Innopolis University](https://innopolis.university/en/)
Bachelor of Computer Science
Software Engineer
  • Advanced JavaScript coursework
  • Product design and management fundamentals
  • Data structures and algorithms
  • Frontend and UI-focused academic projects

Awards

  • Winner, Digital Breakthrough 2020 Hackathon (Northwest IT Hub), 280 teams

  • Winner, OpenSpaceHack 2020

Teaching

  • Experience teaching programming (Android, Python, robotics)