Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

React front-end developer with 5+ years of professional experience building and maintaining production web applications for high-traffic, product-driven SaaS companies. Specialized in translating product/design requirements into clean, maintainable, responsive front-end code with full ownership. Remote-first and async collaboration across cross-functional teams using Agile practices. Strong focus on delivery and code quality, increasing productivity with modern AI tools and keeping communication low-friction.…React front-end developer with 5+ years of professional experience building and maintaining production web applications for high-traffic, product-driven SaaS companies. Specialized in translating product/design requirements into clean, maintainable, responsive front-end code with full ownership. Remote-first and async collaboration across cross-functional teams using Agile practices. Strong focus on delivery and code quality, increasing productivity with modern AI tools and keeping communication low-friction.

CHRIS TOSMYLONAS

Front-End Developer, Full Stack Developer, Software Engineer, +2





React front-end developer with 5+ years of professional experience building and maintaining production web applications for high-traffic, product-driven SaaS companies. Specialized in translating product/design requirements into clean, maintainable, responsive front-end code with full ownership. Remote-first and async collaboration across cross-functional teams using Agile practices. Strong focus on delivery and code quality, increasing productivity with modern AI tools and keeping communication low-friction.…React front-end developer with 5+ years of professional experience building and maintaining production web applications for high-traffic, product-driven SaaS companies. Specialized in translating product/design requirements into clean, maintainable, responsive front-end code with full ownership. Remote-first and async collaboration across cross-functional teams using Agile practices. Strong focus on delivery and code quality, increasing productivity with modern AI tools and keeping communication low-friction.

Available to hire

React front-end developer with 5+ years of professional experience building and maintaining production web applications for high-traffic, product-driven SaaS companies. Specialized in translating product/design requirements into clean, maintainable, responsive front-end code with full ownership.

Remote-first and async collaboration across cross-functional teams using Agile practices. Strong focus on delivery and code quality, increasing productivity with modern AI tools and keeping communication low-friction.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Greek, Modern

Fluent

Work Experience

Full-Stack Developer at Skriba.ch (Skriba)

January 1, 2024 - January 1, 2025

Launched a Remix web application using Shadcn and PostgreSQL, enabling seamless user onboarding and document creation with multi-step stateful forms. Integrated AI-powered features into documented editor tools to reduce manual user input and improve conversion rates. Iterated end-to-end features quickly while maintaining reliability and usability. Worked as a full-stack developer in a fast-paced startup environment, maintaining velocity using modern approaches and AI tooling.

Front-End Developer at adzuna.co.uk (adzuna)

August 1, 2023 - Present

Developed and maintained React/Next.js features for job boards serving 10 million+ users, focusing on UI stability. Increased revenue per user and conversion rate (+11%) after successful A/B tests for UI improvements (job cards, new filters). Created AI-powered features (interview prep text/voice onboarding chat) to improve user LTV. Improved page performance and SEO metrics using PageSpeed and Lighthouse. Handled Google Analytics and Google Tag Manager setup and maintenance. Spearheaded rewriting mobile apps to React Native

Front-End Developer at Skroutz.gr (Skroutz)

April 1, 2016 - November 1, 2024

Part of the core front-end team of Greece’s largest e-commerce marketplace. Implemented mission-critical user flows serving millions of monthly visitors. Refactored key Ruby on Rails parts into reusable React components using modern practices and Hooks to improve developer experience and velocity. Delivered end-to-end UI flows and contributed to design system consistency. Worked closely with design and product/backend development, including DB schema migrations.