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I'm a frontend developer with 3+ years of experience in React and Next.js, specializing in high-performance and scalable fintech-grade applications. I excel at integrating React frontends with Node.js and Spring Boot backends and turning complex business requirements into intuitive user experiences. I'm passionate about crafting clean, maintainable code and a delightful UI, and I enjoy driving the full development lifecycle—from architecture to deployment—while collaborating across cross-functional teams to deliver value.…I'm a frontend developer with 3+ years of experience in React and Next.js, specializing in high-performance and scalable fintech-grade applications. I excel at integrating React frontends with Node.js and Spring Boot backends and turning complex business requirements into intuitive user experiences. I'm passionate about crafting clean, maintainable code and a delightful UI, and I enjoy driving the full development lifecycle—from architecture to deployment—while collaborating across cross-functional teams to deliver value.

Roman Smolin

Front-End Developer, Web Developer, Full Stack Developer, +2

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I'm a frontend developer with 3+ years of experience in React and Next.js, specializing in high-performance and scalable fintech-grade applications. I excel at integrating React frontends with Node.js and Spring Boot backends and turning complex business requirements into intuitive user experiences. I'm passionate about crafting clean, maintainable code and a delightful UI, and I enjoy driving the full development lifecycle—from architecture to deployment—while collaborating across cross-functional teams to deliver value.…I'm a frontend developer with 3+ years of experience in React and Next.js, specializing in high-performance and scalable fintech-grade applications. I excel at integrating React frontends with Node.js and Spring Boot backends and turning complex business requirements into intuitive user experiences. I'm passionate about crafting clean, maintainable code and a delightful UI, and I enjoy driving the full development lifecycle—from architecture to deployment—while collaborating across cross-functional teams to deliver value.

Available to hire

I’m a frontend developer with 3+ years of experience in React and Next.js, specializing in high-performance and scalable fintech-grade applications. I excel at integrating React frontends with Node.js and Spring Boot backends and turning complex business requirements into intuitive user experiences.

I’m passionate about crafting clean, maintainable code and a delightful UI, and I enjoy driving the full development lifecycle—from architecture to deployment—while collaborating across cross-functional teams to deliver value.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Intermediate

Work Experience

Frontend Developer / Software Developer at SIA Fintecor

August 1, 2024 - Present

Migrated frontend builds from Create-React-App and Webpack to Vite 6.2, reducing production build time by 68% (19.5s → 6.3s). Restructured 250+ React modules into a feature-sliced architecture, reducing coupling and speeding developer navigation and parallel work. Enhanced Java/Spring Boot REST services (client-bank, auth, backend), integrated Guru Pay and core-bank APIs, added smart sign-method detection, and containerized the stack for CI/CD.

Junior Frontend Developer at SIA Intexsys

August 1, 2024 - September 8, 2025

Supported a high-traffic ecommerce platform (4M visits/month, €500M revenue in 2022) in a 7-person cross-functional squad (FE + BE devs, QA, PO, PM). Diagnosed and fixed UI bugs across HTML, LESS, JavaScript/jQuery, Twig, and React; maintained a low production defect backlog and safeguarded key conversion paths. Participated in Scrum ceremonies—daily stand-ups, sprint planning, reviews, and retrospectives—contributing estimates, demo fixes, and retrospectives; followed Agile delivery best practices. Delivered 10 multi-step affiliate landing pages in 2 weeks, establishing a rapid-delivery assembly-line process for future marketing sites.

Frontend Developer at SIA Intexsys

August 1, 2022 - Present

Led migration of frontend build system from Create-React-App/Webpack to Vite; restructured 250+ React modules into a feature-sliced architecture; cut production build time by 68%; implemented client-facing UI improvements across HTML, LESS, JavaScript/jQuery, Twig, and React; reduced production defect backlog and improved conversion paths; participated in Scrum ceremonies and agile delivery practices; contributed to high-traffic e-commerce frontend.