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Volodymyr Klymenko
Senior Frontend Engineer

github [open contact info](look above in the "contact info" section) LinkedIn

SU M M A R Y

Senior Frontend Engineer with 8+ years of commercial experience specializing in the React ecosystem and
modern web technologies. Proven record of leading frontend teams, architecting scalable solutions, and
delivering complex enterprise applications. Expert in high-performance SPAs, intricate business logic, and
third-party integrations, with strong leadership in mentoring developers and driving technical decisions.

EXP ERIEN C E

Senior Frontend Developer / Tech Lead — Wizards Dev Dec 2017 – Present

CRM System for Infuse · Frontend Tech Lead 2022 – 2025

Led a frontend team of up to 3 developers building an enterprise CRM serving hundreds of users.

Architected a declarative Form Builder framework, reducing form development time by 60%.

Designed a comprehensive TypeScript type system, improving reliability and developer productivity.

Implemented an SSO authentication module integrating with a proprietary auth service.

Built a real-time messaging system and a Redux Modal utility for app-wide modal management.

Ran code reviews, mentored junior developers, and established frontend best practices.

TypeScript Next.js Redux Saga Material UI AG Grid Jest

Waivio — Decentralized Application · Frontend Tech Lead 2020 – 2022

Led frontend development and mentored team members on an open-source blockchain
social platform.

Built a custom SSR solution ensuring proper SEO indexing and social sharing for user content.

Refactored a legacy codebase to modern React patterns and integrated Hive (Steem)
blockchain functionality.

React.js Custom SSR Redux Saga Ant Design

AskMe — Multi-messenger Platform · Solo Frontend Developer 2019 – 2020

Single-handedly developed the MVP message aggregator and admin panel.

Implemented real-time messaging integration across multiple platforms.

Built a responsive, mobile-first UI and delivered on schedule against all business requirements.

Next.js Redux Saga Ant Design

ADDITIO N AL P RO J EC TS

Polygraph Analytics System — automated questionnaire and analytics platform for polygraph
specialists. React, Redux Saga, Ant Design

Y-Tree Financial Management — accelerated delivery under tight deadlines; set up unit testing with
Jest and Enzyme. React, Jest, Enzyme

InvestArena — contributed to a social trading platform as Junior/Middle Developer. Custom SSR, Redux

T E C H N I C A L SK I L L S

Frontend Core React.js · Next.js · TypeScript · HTML5 / CSS3 · SSR · Web Workers

State Redux · Redux Saga / Thunk · Zustand · MobX · TanStack Query / Router · React
Hook Form · Zod

UI / Styling Material UI · Ant Design · shadcn/ui · Tailwind CSS · SASS / SCSS · LESS

Testing & Tools Jest · React Testing Library · Enzyme · Webpack · Vite · Git · CI/CD · Node.js ·
REST API · Turborepo · Docker · Figma · JIRA

AI Tools Claude Code · OpenAI Codex · GitHub Copilot · Cursor
KEY AC H IEV EM EN TS

Led the frontend team delivering an enterprise CRM serving up to 1,000 users.

Built a declarative Form Builder framework that cut form development time by 60%.

Implemented a custom SSR solution that improved SEO and search engine indexing.

Mentored and grew 5+ junior developers into productive team members.

Delivered multiple MVP products as sole frontend developer, meeting every deadline.

E D U C AT I O N L A N G U A G E S & F O R M AT

M.Sc., Specialized Computer Systems English — Intermediate (B1–B2)
Ukrainian State University of Chemical Technology, Ukrainian — Fluent (C1)
Dnipro · 2004–2009 Russian — Native (C2)

Binary Studio Academy — .NET / JavaScript (2016) Work format: remote (preferred)
ORT Dnipro — Web Development (2017)