Sascha B.-Frontend / UX Engineer
Check rate
Experience
Web Developer
GxPlex
- Built a customized MediaWiki instance, including installation, MySQL database, SSL, and automatic backups
- Set up user roles (Admin, Mod, Verified, User) and a permissions system
- FlaggedRevisions for editorial review workflows · Commenting and rating extensions
UX Designer / Frontend Developer
Lukas Mobile Massage
- Planned, designed, and developed a landing page including service pages and an online booking system
- Created a custom page design in Figma and customized it with CSS
- Squarespace Fluid Engine · Acuity Scheduling
Independent Development
a11y-hub.de
- Platform for bringing together events and educational resources on digital accessibility
- Tech stack: Payload CMS, React, Next.js, TypeScript, Node.js, PostgreSQL
- Content management via Payload CMS · REST and GraphQL API · Role-based access management
- Accessible frontend based on WCAG 2.2 with BEM architecture
Professional Development
Career Break
Intensive upskilling program focused on expanding into full-stack development, AI, and accessibility – preparing for freelance Angular/React projects with Next.js, Redux, and LLM integration.
Milestones achieved:
React - The Complete Guide (incl. Next.js, Redux): Comprehensive course covering React Hooks, Redux Toolkit, React Router, Next.js App Router, React Server Components, Form Actions (React 19), authentication, unit testing, TypeScript integration, and full-stack apps with HTTP requests.
Practical Prompt Engineering Masterclass: Practical masterclass covering prompt design, Chain-of-Thought, few-shot prompting, and LLM optimization for AI-supported frontend features such as accessibility checks.
Understanding TypeScript: In-depth introduction to TypeScript types, interfaces, generics, and integration with React/Next.js for type-safe, scalable codebases.
Design Thinking: Methods for user-centered design, ideation, prototyping, and iteration – applied to accessible UI/UX concepts.
Web Accessibility Training Course WCAG 2.1 & 2.2 Compliance: Detailed WCAG 2.1/2.2 guidelines, BFSG requirements, audit techniques, ARIA widgets, and screen reader testing for compliant Angular/React applications.
New skills: Next.js, Redux, TypeScript, Prompt Engineering, WCAG, Design Thinking.
Frontend Developer
ORWO Net GmbH
Worked on the frontend team developing modern web applications with Angular and TypeScript, as well as SCSS and JavaScript for styling and interaction logic.
Took responsibility for turning product requirements into clear and intuitive user interfaces.
Developed a web-based photo book editor in Angular, designed key UI components, implemented interactions, and integrated the application into existing systems with WCAG Level AA-compliant features.
Worked extensively with XSLT templates to transform XML data into dynamic layouts, improving content presentation in the browser.
Collaborated in agile two-week sprints with backend and UX/UI teams, worked with server-side rendering (SSR / Thymeleaf), and took part in code reviews and refactoring activities to ensure continuous progress and high code maintainability.
Software/Web Developer
Freelancer
Freelance web developer focused on Angular (4/6/7/8), TypeScript, HTML, CSS, and JavaScript, developing single-page applications, stable frontend architectures, and backend integrations.
Provided consulting in Java and JavaScript at LEVERTON Servicing GmbH, taking on conceptual support and implementation work.
Developed the foundation of a planning application in Angular for Lundberg IT & Service – from the component structure to the first functional prototype.
Implemented features for VR experiences in Unity3D at ICAROS GmbH and led the web development of the product website with HTML, CSS, and JavaScript; also developed and extended SAP transformations in PHP with performance optimizations.
Completed additional smaller web and software development projects for various clients.
Freelance
LITUS GmbH
Web Platform & App Development
- Full-stack development with Angular 7/8, TypeScript, MongoDB
- API integration and responsive design
Software Developer
ICAROS GmbH
Developed C# scripts for VR serious games in Unity3D, focusing on editor scripts, audio source management, and behavior scripts.
Contributed to VR games such as ICARACE by scripting dynamic race tracks and player interactions for global multiplayer tournaments, and to ICAROS GRAVITY by creating gravity physics behaviors and immersive audio soundscapes.
Handled web development for product pages using HTML, (S)CSS, Angular 4 with TypeScript, and WordPress customizations.
Automated asset workflows with editor scripts, optimized performance for VR hardware, and built Angular 4 SPAs with scalable SCSS styling and custom WordPress themes, supporting successful product launches and increased user engagement.
Web Developer
econcess GmbH
Developed high-performance, user-friendly frontends with HTML5, CSS3, JavaScript, and jQuery.
Created custom WordPress themes and plugins with responsive designs, caching, and lazy loading to improve performance.
Built Magento e-commerce solutions with module integrations, custom checkout workflows, and frontend customizations.
Improved Joomla components and templates for community portals, focusing on security and SEO.
Configured backend and frontend templates in Typo3 for corporate websites, including multisite management and extensions.
Used JavaScript and jQuery to implement interactive elements such as sliders, form validation, and AJAX, using modular CSS for cross-browser compatibility, mobile-first design, and analytics integration.
Launched high-traffic online stores, reduced bounce rates, and increased user engagement through intuitive navigation and custom features.
Unity 3D Developer
Morphicon Limited
Developed game mechanics, levels, and interactive features in Unity3D with C# scripts for physics, animations, and user input, optimizing performance for PC and console platforms.
Maintained PHP applications by identifying and fixing bugs, refactoring code, implementing security updates, and extending backend functionality with MySQL and API integrations.
Designed and implemented websites with HTML5, CSS3 (responsive layouts), and JavaScript, integrating them into CMS systems with a focus on UI/UX, cross-browser compatibility, and SEO.
Intern
MATRIX-TECHNOLOGIES UG (Haftungsbeschränkt)
Internship focused on Unity3D development, C# scripting, and virtual reality applications using Oculus Rift.
Student Assistant
WifOR
Supported server administration, including backups, basic configurations, and monitoring.
Maintained and developed websites with HTML, CSS, and JavaScript, ensuring functionality and security standards.
Provided IT support for Microsoft Office applications, network configurations, and hardware troubleshooting.
Gained practical experience in ticket management and team coordination, contributing to efficient IT operations.
Internship IT-System-Electronics
Deutsche Telekom AG
Training as an IT systems electronics technician with a focus on cable management, C# development, network infrastructure, routing, customer service, and sales.
Installed internet and telephone connections for residential and business customers and implemented network concepts.
Gained experience working with customers in Telekom shops and at T-Systems, developing an understanding of complex B2B network infrastructures.
Developed strategic thinking and structured working methods through training in accounting, controlling, and information management.
Freelance
Danca Alegria
Club website
- Redesign and maintenance using WordPress, PHP, HTML, and CSS · Accessibility improvements according to WCAG 2.1
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Manufacturing, Telecommunication, Sport, Professional Services, and Education.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Customer Service, and Sales.
Summary
I have built my career as a software and web developer with a strong focus on accessible, modern, and user-friendly digital experiences. Using Angular, React, and TypeScript, I develop intuitive frontends that not only meet the latest legal accessibility standards but also make browsing enjoyable for everyone. My solid practical experience in web accessibility ensures that projects are both compliant and appealing, helping companies reach a broader audience.
In my work, I combine technical skills with a human-centered approach to deliver clear, effective solutions. I thrive when turning complex requirements into simple, accessible interfaces that improve usability and create digital impact.
Skills
- Angular, Cypress, Xslt, React, Next.Js, Redux, Tailwind
- Javascript (Es6+), Typescript, Html5, Css3/Scss, Npm, Git, Scrum, Jquery
- Java, C#, C++, Cms (Wordpress, Joomla, Magento, Typo3, Payload Cms, Squarespace), Php, Node.Js
- Postgresql, Mysql, Mongodb, Graphql, Rest
- Figma, Mediawiki, Bem, Wcag 2.1 / 2.2, Bfsg, Aria, Axe Devtools, Wave
Languages
Education
Technical University of Darmstadt
Bachelor of Science · Computer Science · 2.50
IHK Frankfurt am Main
IHK qualification: Information and Telecommunications Systems Electronics Technician · Information and Telecommunications Systems Electronics Technician · Germany · 85 points
Certifications & licenses
Foundations of AI Security – Certified
Zenity Learning Lab
React - The Complete Guide (incl. Next.js, Redux)
Udemy
Design Thinking, Creativity and Innovation for Businesses
Udemy
Web Accessibility Training Course WCAG 2.1 & 2.2 Compliance
Udemy
Practical Prompt Engineering Masterclass: Hands-On Learning
Udemy
Understanding Typescript
Udemy
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Sascha is based in Berlin, Germany and prefers 100% remote projects.
Sascha speaks the following languages: German (Native), English (Intermediate).
Sascha has at least 16 years of experience. During this time, Sascha has worked in at least 12 different roles and for 13 different companies. The average length of individual experience is 1 year and 2 months. Note that Sascha may not have shared all experience and actually has more experience.
Based on recent experience, Sascha would be well-suited for roles such as: Web Developer, UX Designer / Frontend Developer, Independent Development.
Sascha's most recent position is Web Developer at GxPlex.
In recent years, Sascha has worked for GxPlex, Lukas Mobile Massage, a11y-hub.de, Career Break, and ORWO Net GmbH.
Sascha is most experienced in industries like Information Technology, Manufacturing, and Telecommunication. Sascha also has some experience in Sport, Professional Services, and Education.
Sascha is most experienced in business areas like Information Technology, Product Development, and Customer Service. Sascha also has some experience in Sales.
Sascha has recently worked in industries like Manufacturing, Information Technology, and Education.
Sascha has recently worked in business areas like Information Technology and Product Development.
Sascha attended Technical University of Darmstadt for Computer Science.
Sascha has 6 certificates. Among them, these include: Foundations of AI Security – Certified, React - The Complete Guide (incl. Next.js, Redux), Design Thinking, and Creativity and Innovation for Businesses.
Sascha is immediately available full-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 18 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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