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Senior web developer with 10+ years of experience building high-traﬃc websites and web applications. Specialist in modern frontend architecture using React, TypeScript, and JAMstack technologies. Previously worked on major web platforms for organisations including Parity Technologies, Consensys, and Input Output, contributing to projects across the Polkadot, Cardano, and Ethereum ecosystems used by millions of users worldwide.…Senior web developer with 10+ years of experience building high-traﬃc websites and web applications. Specialist in modern frontend architecture using React, TypeScript, and JAMstack technologies. Previously worked on major web platforms for organisations including Parity Technologies, Consensys, and Input Output, contributing to projects across the Polkadot, Cardano, and Ethereum ecosystems used by millions of users worldwide.

Jonny Smillie

Web Developer, Full Stack Developer, Front-End Developer, +1

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Senior web developer with 10+ years of experience building high-traﬃc websites and web applications. Specialist in modern frontend architecture using React, TypeScript, and JAMstack technologies. Previously worked on major web platforms for organisations including Parity Technologies, Consensys, and Input Output, contributing to projects across the Polkadot, Cardano, and Ethereum ecosystems used by millions of users worldwide.…Senior web developer with 10+ years of experience building high-traﬃc websites and web applications. Specialist in modern frontend architecture using React, TypeScript, and JAMstack technologies. Previously worked on major web platforms for organisations including Parity Technologies, Consensys, and Input Output, contributing to projects across the Polkadot, Cardano, and Ethereum ecosystems used by millions of users worldwide.

Available to hire

Senior web developer with 10+ years of experience building high-traﬃc websites and web applications. Specialist in modern frontend architecture using React, TypeScript, and JAMstack technologies. Previously worked on major web platforms for organisations including Parity Technologies, Consensys, and Input Output, contributing to projects across the Polkadot, Cardano, and Ethereum ecosystems used by millions of users worldwide.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Web Developer at Freelance

January 1, 2024 - January 1, 2026

Delivered 10+ production websites and web platforms for technology and digital clients. Provided end-to-end development, from architecture and frontend development to hosting, deployment, and maintenance. Built modern applications using React, TypeScript, and static site frameworks. Collaborated with designers and digital artists to create high-quality, responsive user interfaces. Implemented CI/CD pipelines and scalable hosting solutions to support ongoing client projects.

Web Developer at Parity Technologies

January 1, 2022 - January 1, 2024

Rebuilt the Substrate developer documentation platform using React and TypeScript. Led redevelopment of the Polkadot website, improving architecture, performance, and maintainability. Maintained and expanded multiple Polkadot ecosystem web properties. Worked closely with the documentation and engineering teams to deliver developer-focused web tools and content. Contributed to web platforms supporting one of the largest blockchain ecosystems in production.

Frontend Engineer at Consensys Software Inc.

January 1, 2021 - January 1, 2022

Led frontend initiatives across core ConsenSys web properties. Managed the rebuild of metamask.io using React, modernising the platform’s frontend architecture. Coordinated development between internal teams, marketing, and external development partners. Managed and mentored a distributed team of frontend developers. Delivered rapid feature and content updates supporting product launches and marketing campaigns.

Full Stack Web Developer at Input Output Hong Kong

January 1, 2017 - January 1, 2021

Joined as the second web developer, helping establish internal web development capability. Introduced JAMstack architecture using React and headless CMS, improving scalability and development velocity. Rebuilt several major public-facing platforms across Cardano ecosystem projects, contributing to frontend and full-stack development.

Head of Product at Vibe Tickets

January 1, 2015 - January 1, 2017

First employee working directly with founders to design and launch a mobile ticketing platform. Led product strategy and UX development for a cross-platform mobile application. Coordinated development with external digital agencies. Built the company website and CMS infrastructure.

Web Developer at Better2Know

January 1, 2017 - January 1, 2017

Consulted on digital transformation and modernised legacy PHP systems.

Web Developer and Studio Support at The Creative Branch

January 1, 2014 - January 1, 2015

Agency development role delivering websites, email campaigns, and client web management.