Oleg Olenev

Frontend Engineer

Amsterdam, North Holland, Netherlands5 yrs 9 mos experience

AI Enabled

Key Highlights

Reduced loan scoring time by 30%
Led micro-frontend adoption, cutting build time by 35%
Mentored engineers, enhancing team productivity

Stackforce AI infers this person is a Senior Frontend Engineer specializing in Fintech and B2B SaaS with a focus on performance and AI-driven features.

Contact

Skills

Core Skills

ReactTypescriptTeam Leadership

Other Skills

React.jsRspackScrumCSS ModulesViteCursor AIOpenAI CodexAnthropic ClaudeGoogle GeminiReduxRedux.jsRedux ToolkitRTK QueryEffectorWebpack

About

Senior Frontend Engineer with 6+ years of experience building scalable, high-performance products in fintech and B2B SaaS. Currently working at Finom, focusing on credit systems and KYC flows - core product funnels with country-specific logic, compliance, and complex async data. Previously contributed to large-scale e-commerce platforms at Dodo Brands and Wildberries. Reduced loan scoring time by 30%, led micro-frontend adoption (cutting build time by 35%), and introduced AI-assisted development to improve team productivity. Acted as a frontend lead within the team, mentoring engineers and driving technical decisions. React • TypeScript • JavaScript • Next • AI-driven development

Experience

5 yrs 9 mos

Total Experience

2 yrs 4 mos

Average Tenure

1 yr

Current Experience

Finom

Senior Frontend Developer

May 2025 – Present · 1 yr · Amsterdam, North Holland, Netherlands · Remote

Finom is a fintech company building a B2B financial ecosystem for businesses. I work in the credit domain within a cross-functional team of 18 engineers, product managers, and designers.
Built and optimized a multi-step credit application (KYC) flow - a core product funnel - supporting multiple countries with region-specific logic, validation, and compliance requirements.
Introduced AI-assisted development (Claude Code), increasing developer productivity by ~20% and reducing feature delivery time by ~15%.
Led extraction of a module into a standalone micro-frontend using Rspack, reducing build time by 35% and deployment time from 30 to 5 minutes.
Introduced WebView support for mobile, enabling a unified frontend codebase across web and mobile, reducing maintenance overhead and improving feature delivery speed.

React.jsTypeScriptReact

Wildberries

Senior Frontend Engineer (Team Lead responsibilities)

Jul 2022 – May 2025 · 2 yrs 10 mos · Tbilisi, Georgia · Remote

High-load B2B SaaS platform for seller operations, including sales, orders, and product catalog management. Worked in a team of 23 people.
Acted as a frontend lead within the team, mentoring interns and junior developers, with 5 interns successfully transitioning into junior roles.
Built an admin tool for managing supplier legal data, reducing editing time by 90% and improving operational efficiency.
Proposed and implemented an interactive onboarding process for the new calculator feature, resulting in a 38% increase in user engagement.

Team LeadershipReact.jsReact

Dodo brands

Frontend Engineer

Jul 2020 – Jun 2022 · 1 yr 11 mos · St Petersburg City, Russia · Remote

The Fudkit project is a system for automating the delivery of public catering networks and its implementation on the website rollex.ru. Worked in a team of 12 people.
Led the integration of a payment system within 2 months, coordinating efforts across multiple teams (business, design, and backend).
Conducted a comprehensive refactoring, introducing TypeScript and converting React class components to functional components, which improved code readability and sped up onboarding and code reviews by 30%.
Boosted project efficiency by replacing Webpack with Vite, resulting in a 52.8% reduction in build time thanks to faster module processing and improved productivity.

ScrumCSS Modules