Kevin Herklotz - Senior Frontend Engineer (freelance)

Q: Where is Kevin based?

Kevin is based in Küssnacht, Switzerland .

Q: What languages does Kevin speak?

Kevin speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Kevin have?

Kevin has at least 12 years of experience. During this time, Kevin has worked in at least 9 different roles and for 4 different companies . The average length of individual experience is 1 year and 2 months . Note that Kevin may not have shared all experience and actually has more experience.

Q: What is Kevin's latest experience?

Kevin's most recent position is Senior Frontend Engineer (freelance) at Ricardo .

Q: What companies has Kevin worked for in recent years?

In recent years, Kevin has worked for Ricardo .

Q: Which industries is Kevin most experienced in?

Kevin is most experienced in industries like Information Technology (IT) , Retail , and Professional Services . Kevin also has some experience in Agriculture and Arts and Crafts .

Q: Which business areas is Kevin most experienced in?

Kevin is most experienced in business areas like Information Technology (IT) , Product Development , and Production/Manufacturing .

Q: Which industries has Kevin worked in recently?

Kevin has recently worked in industries like Information Technology (IT) and Retail .

Q: Which business areas has Kevin worked in recently?

Kevin has recently worked in business areas like Information Technology (IT) and Product Development .

Recommended expert

Küssnacht, Switzerland

Experience

Jan 2023 - Apr 2023

4 months

Senior Frontend Engineer (freelance)

Ricardo

Helping my former employer to deliver new search related features faster

Aug 2022 - Aug 2023

1 year 1 month

Sabbatical

Apr 2021 - Jul 2022

1 year 4 months

Senior Frontend Engineer

Ricardo

Oct 2019 - Mar 2021

1 year 6 months

Frontend Engineer

Ricardo

Sep 2018 - Sep 2019

1 year 1 month

Junior Frontend Engineer

Ricardo

Biggest marketplace in Switzerland (~1.2M active users per week)
My main focus was code quality, user and developer experience. Over the years the cross functional teams I have been working in were successfully delivering features that resolved in conversion and revenue gains.
Complete rewrite of the whole website to React
Migration to TypeScript and Next.js
Multiple Micro Frontends: Next.js, React, Redux, Babel, Webpack, SCSS
Component library: Storybook, Material-UI
Backend-for-Frontend: NodeJS, Express, REST APIs
Testing tools: Jest, (React) Testing Library, Cypress, ESLint
Analyzing & monitoring Core Web Vitals to improve page speed and SEO
Researching and evaluating new tools, libraries and frameworks and creating proof of concepts: Next.js, GraphQL, ESLint, react-query, ts-prune, Playwright, …
Error monitoring: Sentry, Prometheus
Accessibility improvements
Mentoring other Frontend developers
AB tests using LaunchDarkly
Tools: Asana, Notion, VSCode, Github, Launchdarkly, Google Analytics

Sep 2016 - Aug 2018

2 years

New Zealand

Work and Travel

Built own blog with React 16, Webpack 4, Jest, ESLint, Stylelint, SCSS

Dec 2014 - Aug 2016

1 year 9 months

Frontend Developer

move elevator GmbH

Created an own framework with ECMAScript 6 and SCSS based on Bootstrap 3 for client Coca Cola and implemented several websites using it

Sep 2014 - Nov 2014

3 months

Web Developer

Heimrich & Hannot

Created websites with Contao, PHP, HTML, LESS and jQuery

Jan 2014 - Aug 2014

8 months

Canada

Work and Travel

Volunteered on farms, for handicraft businesses and families

Jan 2012 - Jan 2014

2 years 1 month

IT System Administrator

Fraunhofer research institute IVI

First contact with web development during creation of an intranet with Joomla

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (7 years), Retail (2.5 years), Professional Services (2 years), Agriculture (0.5 years), and Arts and Crafts (0.5 years).

Information Technology

Retail

Professional Services

Agriculture

Arts and Crafts

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (10 years), Product Development (6.5 years), and Production (0.5 years).

Information Technology

Product Development

Production

Languages

German

Native

English

Advanced

Education

Oct 2008 - Jun 2012

University of cooperative education Dresden

Diploma in Engineering (BA) · Information technology · Dresden, Germany

Profile

Created

August 2023

Last Update

September 2024

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Kevin based?

Kevin is based in Küssnacht, Switzerland.

What languages does Kevin speak?

Kevin speaks the following languages: German (Native), English (Advanced).

How many years of experience does Kevin have?

Kevin has at least 12 years of experience. During this time, Kevin has worked in at least 9 different roles and for 4 different companies. The average length of individual experience is 1 year and 2 months. Note that Kevin may not have shared all experience and actually has more experience.

What roles would Kevin be best suited for?

Based on recent experience, Kevin would be well-suited for roles such as: Senior Frontend Engineer (freelance), Sabbatical, Senior Frontend Engineer.

What is Kevin's latest experience?

Kevin's most recent position is Senior Frontend Engineer (freelance) at Ricardo.

What companies has Kevin worked for in recent years?

In recent years, Kevin has worked for Ricardo.

Which industries is Kevin most experienced in?

Kevin is most experienced in industries like Information Technology (IT), Retail, and Professional Services. Kevin also has some experience in Agriculture and Arts and Crafts.

Which business areas is Kevin most experienced in?

Kevin is most experienced in business areas like Information Technology (IT), Product Development, and Production/Manufacturing.

Which industries has Kevin worked in recently?

Kevin has recently worked in industries like Information Technology (IT) and Retail.

Which business areas has Kevin worked in recently?

Kevin has recently worked in business areas like Information Technology (IT) and Product Development.

What is Kevin's education?

Kevin holds a Master in Information technology from University of cooperative education Dresden.

What is the availability of Kevin?

Kevin is immediately available for suitable projects.

What is the rate of Kevin?

Kevin's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.