Sven Busse - Mobile App Developer with Flutter and React

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Hamburg, Germany

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Experience

Jul 2023 - Oct 2023

4 months

Frontend Developer

TQGG

Reimplementation of the ESN.com online shop with Shopify's Hydrogen and Remix
Headless CMS Contentful integration via GraphQL

Feb 2023 - Apr 2023

3 months

Frontend Developer

Edith.Care

Further development of the frontend for the online application process for care services
Using React, TypeScript, and XState

Aug 2022 - Jan 2023

6 months

Frontend Developer

DemoUp Cliplister

Design and development of a modular asset management tool architecture in a monorepo
AWS setup for cloud hosting
Using React, TypeScript, Lerna, Cypress, and AWS CDK

Jan 2022 - May 2022

5 months

Backend Developer

nion digital GmbH

Designing and implementing the backend for e-bike apps and internal applications at Riese & Müller on AWS
Building prototypes and recommending Kafka for messaging
Developing APIs with AWS CDK, KafkaJS, AWS Lambda, Fargate, and Fastify

Jul 2021 - Dec 2021

6 months

Lead Frontend Developer

EDEKA digital

Developing a back office web application to manage marketing campaigns on receipts
Guiding other developers on React topics
Using React and TypeScript

Jan 2021 - Jun 2021

6 months

Developer

Fielmann AG

Continuing work on the microfrontend-based web integration platform
Ensuring a modern single-page app foundation

Jun 2020 - Dec 2020

7 months

Mobile App Developer

aboutyou

Implementing tracking and analytics features in Flutter as well as in native iOS and Android apps
Integrating Firebase, Adjust, and Localytics

Feb 2020 - Present

6 years 7 months

Mobile App Developer

Startup

Developing an e-learning app on nonviolent communication with Flutter and Firebase
Independently developing the backend

Sep 2019 - Apr 2020

8 months

Developer

Fielmann AG

Co-developing a web integration platform with a microfrontend architecture
Supporting various developer teams in independent development and deployment

Jan 2019 - Dec 2019

1 year

Developer

Itemis AG

Prototyping a projectional software editor in React and Redux with TypeScript
Developing a generic AST-like model and component model for rendering and interaction

Jan 2017 - Dec 2019

3 years

Developer and Trainer

EOS Technologies

Developed two customer support portals in TypeScript
Used React, Redux, GraphQL, Node.js, and Express
Trained internal staff in React

Jan 2017 - Dec 2018

2 years

Frontend Developer

Xing AG

Prepared the migration of the "Campus" app to React using the Hops framework
Trained frontend developers
Used React, Redux, Flow, and Hops

Jan 2016 - Dec 2016

1 year

Frontend Developer

SinnerSchrader

Developed React components with TypeScript for the Volkswagen Online Car Configurator
Implemented application logic using Redux
Wrote unit tests and Selenium integration tests
Conducted code reviews

Jan 2014 - Dec 2016

3 years

Frontend Developer

Skjlls

Developed a partially responsive web frontend for a salary comparison platform
Used React.js, SVG.js, and D3.js for extensive input options and visualizations
Automated administrative tasks using Node.js scripts
Implemented Selenium tests for UI workflows

Jan 2014 - Dec 2016

3 years

Lead Frontend Developer

Skjlls

Led frontend development for the startup Skjlls

Jan 2013 - Dec 2013

1 year

Developer

LaRed Hamburg

Implementation of the Kia Flexible Range Campaign in HTML/CSS/JavaScript
Integration of images, videos, 360° turntables and animations for desktop and tablet

Jan 2013 - Dec 2013

1 year

Frontend Developer

t8y / Tribal DDB

Development of several frontend modules for the Compo website (product search, media container)
Implementation of a responsive design for various devices

Jan 2013 - Dec 2013

1 year

Android Developer

tallence

Native Android app with WebViews for content display
Offline caching mechanism with SQLite and synchronization when online
Backwards compatible down to Android 2.3

Jan 2012 - Dec 2012

1 year

JavaScript Developer

Tribal DDB

Lead JavaScript development of the onething.com online community
Implementation of user profiles, preference queries and extensive statistics

Jan 2011 - Dec 2011

1 year

Developer

Erste Elf / Jung v. Matt Next

Implementation of a Facebook campaign with four mini-games in Adobe Flash
Integration of webcam and audio analysis
Rolled out in over 20 countries

Jan 2011 - Dec 2011

1 year

Developer

GoodSchool

Developed a "brain tug-of-war" game using Emotiv consumer EEG devices
Implemented a multiplayer server in Java for game state and communication
Created a display application in Flash to show the game score

Jan 2011 - Dec 2011

1 year

Developer

Plan.net Hamburg

Developed an online jump 'n' run game with a level editor in Adobe Flash
The game won several awards, including a Silver Lion at Cannes

Jan 2010 - Present

16 years 8 months

Software Developer and Technical Project Manager

Freelance

Focus on web development

Jan 2010 - Dec 2012

3 years

Freelance Lecturer

SAE

Teaching technology trends

Jan 2009 - Dec 2016

8 years

Lecturer

GoodSchool

Gave talks on technology trends and an overview of technology for traditional advertising agencies

Jan 2009 - Dec 2010

2 years

Director RIA Development

Interone GmbH

Team coordination with personnel responsibility and coaching
Technical project management

Jan 2007 - Dec 2009

3 years

Associate Director RIA Development

Interone GmbH

Team coordination and coaching
Technical project management

Jan 2004 - Dec 2007

4 years

Hamburg, Germany

Technical project manager and lead Adobe Flash developer

Interone GmbH

Technical project management and leading Flash development
Managing clients such as BMW, MINI, Unilever Dove

Jan 2003 - Dec 2004

2 years

Lecturer

Technical University of Applied Sciences Berlin

Organizing the student contact fair and event "showtime"
Topics: sponsorship, PR and project management

Jan 2000 - Dec 2004

5 years

Co-founder and managing partner

die_schnittsteller

Strategy, PR, marketing, project management and Flash development
Managing clients such as Jack Wolfskin, Deutsche Bank, Siemens, Arwobau GmbH

Jan 1998 - Dec 2000

3 years

Web Designer

Freelance

Web design for the internet agency W3-Solution and my own clients

Jan 1998 - Dec 2000

3 years

Working Student

SiemensForum Berlin

Developing technical concepts for exhibitions
Technical coordination

Android Developer

brand interactive GmbH

Developing an Android app to record nutrition diaries in the points account
Implementing custom-built UI components
Requirement: Android 4.x

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Education, Advertising, Banking and Finance, Manufacturing, and Sport.

Information Technology

Education

Advertising

Banking and Finance

Manufacturing

Sport

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Project Management, Product Development, Marketing, Customer Service, and Quality Assurance.

Information Technology

Project Management

Product Development

Marketing

Customer Service

Quality Assurance

Summary

I am a skilled frontend developer with a long history of building engaging, modern web and mobile applications using React, Vue.js, TypeScript, and related technologies. I have worked in varied environments, from startups to large companies, delivering projects in e-commerce, marketing, education, and more. I focus on creating efficient, scalable solutions while maintaining clean code and guiding teams with practical insights. My hands-on approach and solid technical background let me continuously improve digital experiences.

Skills

Javascript
Typescript
Html/Css
Sass
Node.Js
React.Js
Redux
Graphql
Testcafé
Intellij
Git
Dart
Flutter

Languages

German

Native

English

Advanced

Education

Oct 1999 - Jun 2003

TFH Berlin

Diploma in Media Studies · Media Informatics · Berlin, Germany

Oct 1996 - Jun 1999

Siemens

Communications Electronics Technician · Berlin, Germany

Leonardo-da-Vinci Gymnasium

High School Diploma · Berlin, Germany

Certifications & licenses

Class A driver's license

Class B driver's license

Motorboat and sailing license (inland waterways)

Statistics

Experience

Total positions 33

Experience in Information Technology 22.5 y

Avg length 2 y 4 m

Longest experience 16 y 7 m

Global experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Frontend Developer, Backend Developer, Lead Frontend Developer

Main industries Information Technology, Education, Advertising

Main business areas Information Technology, Project Management, Product Development

Qualifications

Certifications earned 3

Profile

Member since

January 2026

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Frequently asked questions

Have questions? Find more information here.

Sven is based in Hamburg, Germany and can operate in on-site, hybrid, and remote work models.

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

Sven has at least 29 years of experience. During this time, Sven has worked in at least 17 different roles and for 26 different companies. The average length of individual experience is 1 year and 11 months. Note that Sven may not have shared all experience and actually has more experience.

Based on recent experience, Sven would be well-suited for roles such as: Frontend Developer, Backend Developer, Lead Frontend Developer.

Sven's most recent position is Frontend Developer at TQGG.

In recent years, Sven has worked for TQGG, Edith.Care, DemoUp Cliplister, nion digital GmbH, and EDEKA digital.

Sven is most experienced in industries like Information Technology, Education, and Advertising. Sven also has some experience in Banking and Finance, Manufacturing, and Sport.

Sven is most experienced in business areas like Information Technology, Project Management, and Product Development. Sven also has some experience in Marketing, Customer Service, and Quality Assurance.

Sven has recently worked in industries like Information Technology, Education, and Retail.

Sven has recently worked in business areas like Information Technology, Project Management, and Product Development.

Sven attended TFH Berlin for Media Informatics.

Sven has 3 certificates. These include: Class A driver's license, Class B driver's license, and Motorboat and sailing license (inland waterways).

The availability of Sven needs to be confirmed.

Daily rate distribution

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<€720 €720-800 €800-880 €960-1040 €1040-1120 €1120+

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Average rates for similar positions

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Daily rate avg. 859 €

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Median rate 800 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.