Simeon Kerkola
Software Engineer
Helsinki, Finland
Summary
👤
SeniorSimeon Kerkola is a Helsinki-based software engineer with nine years of experience focused on crafting accessible, user-centered front ends. He contributes to notable open-source DeFi work such as the Balancer frontend, where he improved UX with features like token search, trade preview modals, and performance optimizations that reduced API calls. Passionate about accessible UI/UX, Simeon pairs practical bug fixes with thoughtful interface enhancements to make complex financial tooling more usable. His Github persona—playfully marked "<blink>Developer</blink>"—hints at a developer who values both the technical polish and the user experience. Skilled at turning subtle product pain points into measurable improvements, he brings steady delivery and attention to detail to front-end projects.
9 years of coding experience
Japanese, English, Finnish
Github Skills (10)
uid10
typescript10
typescripts10
front-end-development10
ui-design10
ethereum10
typescript-types10
react9
web3js9
javascript9
Programming languages (5)
Github contributions (5)
balancer/frontend-v2
Jun 2022 - Jan 2023
Frontend app for the Balancer protocol
Role in this project:
Front-end Developer
Front-end DeveloperContributions:109 reviews, 257 commits, 64 PRs in 7 months
Contributions summary:Simeon primarily focused on developing and enhancing the front-end application for the Balancer protocol. Their contributions included implementing UI elements, such as a veBAL table, and improving the user experience with features like a token search input and a trade preview modal. They also addressed bug fixes and performed optimizations, such as improving token search performance and reducing the number of API calls.
reactethereumblockchainweb3frontend
simeonkerkola/vue-combo-blocks
Aug 2020 - Dec 2021
🧱 Very Downshift like autocomplete solution for Vue
Contributions:91 commits, 48 PRs, 119 pushes in 1 year 4 months
downshiftvueautocompletevuejs
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