Open to opportunities

Simon Frost

@simonfrost

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Fullstack, frontend leaning engineer specialised in TypeScript, React, React Native and Tailwind.

Mexico

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What I'm looking for

I'm looking for a role that fosters innovation and collaboration, where I can leverage my skills in a dynamic team environment.

Over 10 years helping startups with unclear specifications and tight deadlines, to large corporations where clear communication and process were key.

Personal highlights have been taking Mexican neobank Klar from 0 to 1 with web and mobile apps, and building aerospace microsatellite startup Planet's image management dashboard.

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Experience

Work history, roles, and key accomplishments

Current

Product Engineer

Current

Mellow Fit

Apr 2025 - Present (7 months)

Developed a community-focused exercise mobile app for iOS and Android platforms. Utilized React Native, Expo, and Supabase to build cross-platform functionalities.

React Native Expo Nativewind Supabase Vercel

Frontend Engineer

Bandwango

Jan 2025 - Apr 2025 (3 months)

Created pixel-perfect frontend code for a tourism marketing application, gamifying local activities. Implemented designs heavily influenced by an AI workflow using Cursor and Builder.io.

Tailwind Cursor PHP Laravel

UX Engineer

Rough.app

May 2023 - Jan 2024 (8 months)

Improved UX through feature and design adjustments by dogfooding the application and performing user testing. This product planning tool recommends feature 'pitches' via a vector database of user insights.

Svelte Zod Yjs Tldraw

Product Engineer

Slowmad.app

Apr 2023 - May 2023 (1 month)

Developed a proof of concept chatbot integration aimed at reducing travel impact. Presented 'AI APIs' at a local JavaScript meetup, highlighting the functionality and challenges of integrating chatbots.

React Next.js Tailwind Vercel

Web Lead Engineer

Klar

May 2019 - Nov 2022 (3 years 6 months)

As employee #2, I laid the technical foundations for the web platform and shipped key credit features on the mobile app. I worked directly with the CTO during Series A, B, and C fundraising rounds and helped build the team by interviewing, pair programming, reviewing code, and onboarding new team members.

React Redux Flutter Dart

Senior Frontend Engineer

Feather

Nov 2018 - Jan 2019 (2 months)

Developed features for an insurance platform for expats, including account creation and management, and a rewards section. Utilized React, Redux, and Typescript for implementation.

React Redux TypeScript CSS Modules

Senior Frontend Engineer

SAP

Apr 2018 - Oct 2018 (6 months)

Created a universal identification system prototype for an enterprise software company. Features included account management and linking functionalities.

Vue AWS Account Management

Senior Frontend Engineer

Planet

Feb 2017 - Nov 2017 (9 months)

Built the admin tool that managed daily imagery for an aerospace microsatellite company. Features included image access tooling, report viewing and generation, and two-factor authentication.

React Redux Webpack Image Management

Frontend Engineer

N26

Feb 2016 - Nov 2016 (9 months)

Built the main banking web application within a cross-functional team. Features included overdraft, premium and express card ordering, and migration to the newly licensed bank.

SASS CSS Gulp Zeplin

Frontend Engineer

Blacklane

Oct 2014 - Feb 2016 (1 year 4 months)

Built the limousine booking app for a company named the fastest-growing startup in Germany in 2015. Features included a corporate portal, booking form, ride listings, and ride ratings.

AngularJS Ruby on Rails Gulp HAML

Full Stack Engineer

Verizon Connect

Feb 2012 - Feb 2014 (2 years)

Built the interface and backend for a traveling salesman problem solver. Features included a route templating system, routing algorithm optimizations, and manual route modification tooling.

C++SQL PowerShell Backend Development