
CSS Experts in Dortmund
for polished interfaces, matched in minutes with vetted and available freelancersHire experts who create responsive layouts, accessible interfaces and maintainable design systems with CSS, Sass and modern frontend tooling. FRATCH matches you quickly and precisely with vetted, available freelancers who fit your project.
Meet FRATCH Experts in Dortmund, who have recently used CSS
Oliver K.
Last position:
Founder & Manager at ThinkForm Studio – AI Product Design & Innovation
Designing AI-native digital products by combining product strategy, UX research, interaction design, software engineering, and modern AI workflows. Leading projects from discovery to implementation while integrating AI throughout the entire product development lifecycle.
Key responsibilities
- → Product discovery, stakeholder workshops, Jobs-to-be-Done and user research
- → User journey mapping, information architecture and interaction design
- → Wireframes, high-fidelity UI, prototypes and scalable design systems in Figma and Penpot
- → AI-assisted interface generation and rapid concept exploration using Figma AI, Figma Make and generative design workflows
- → Design-to-code workflows with AI-supported frontend generation and engineering collaboration
- → Building accessible interfaces following WCAG 2.2 and enterprise design standards
- → Usability testing, iterative validation and KPI-driven product optimization
- → Development of AI knowledge systems, MCP-powered design workflows and human-in-the-loop review processes
- → Close collaboration with engineering teams to ensure production-ready implementation
Kersten L.
Last position:
Lead Architect / Lead Developer at Bettles: Sports Betting Platform
- Complete greenfield rebuild across the whole stack — built AI-native: backend in Go and NestJS, PostgreSQL (CNPG) on K3s with GitOps/Terraform; frontend on Angular 22, zoneless.
- Orchestrated coding agents (e.g. Claude Code, Cursor) across the entire lifecycle — architecture, implementation, testing, reviews, documentation — driven by Specification-Driven Development (SDD).
- “Bruno” — LLM commentator persona backed by RAG and MCP for a personality that stays consistent across all generations (match previews, post-match reports, his own virtual bets).
Angular 22 (zoneless, without Zone.js), Claude Code, Claude Code Skills, CNPG, Cursor, Design Tokens (Spec for Code), Docker, Gherkin, Git, GitLab, GitOps, Go, Google Gemini, Grafana, Hetzner Cloud, K3s, Keycloak, Kubernetes, Lighthouse, LLM Integration, Model Context Protocol (MCP), NestJS, Node.js, NPM, Playwright, PostgreSQL, Prometheus, RAG, REST, Specification-Driven Development (SDD), Structured Outputs, Terraform, TypeScript, Vitest
Sandra R.
Last position:
FRONTEND DEVELOPER at easy Marketing GmbH
- Development and enhancement of scalable Vue.js/TypeScript applications, as well as reusable components and frontend architectures
- Development of modern, high-performance web applications for internal software solutions using Vue.js, Pinia, and Vuex
- Efficient integration and processing of data from external APIs to support frontend development and ensure smooth end-to-end functionality
- Implementation and maintenance of automated tests for quality assurance using Vitest
- Creation of interactive website prototypes in Figma and Adobe XD as a basis for Vue.js implementations
- Participation in technical reviews and code reviews to ensure high code quality and continuously improve development processes
- Use of AI-supported development tools such as ChatGPT and Claude for more efficient development, error analysis, and code optimization
- Use of CI/CD pipelines for the efficient integration of automated tests, builds, and deployments into the development workflow
Manuel K.
Last position:
.NET Developer, SAP Business One Consultant at Own Projects
- DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
- E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.
Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#
Arkadius S.
Last position:
AWS Pricing Platform / API & Integration Architecture at Porsche Digital
Development and evolutionary further development of a highly available, cloud-native microservice and integration architecture for dealer and retail processes in the Porsche Car Configurator.
Responsibilities
- Development of Java-/Kotlin-based backend, API, and integration components (Spring Boot)
- Integration of internal and external systems via REST/OpenAPI, GraphQL, Apache Kafka, and AWS SQS (synchronous and asynchronous)
- Implementation of stable, high-performance communication and data flows in a cloud-native platform architecture
- Processing of structured data formats (JSON, Protobuf, GraphQL schemas) based on existing API patterns
- Performance optimization of distributed microservices with reduced response times and higher operational stability
- Technical tests (unit, integration, and API tests) as well as error analysis in production-like environments
- AWS Infrastructure as Code with Terraform and AWS CDK
- CI/CD automation (build, test, and deployment pipelines) with GitHub Actions
- AI-supported feature implementation (GitHub Copilot Agent)
Label: Kotlin, Java 25, Spring Boot 4, Protobuf, TypeScript, AWS, Terraform, CDK, Apache Kafka, AWS SQS, REST/OpenAPI, GraphQL, JSON, PostgreSQL, Docker, GitHub Actions, Maven, Gradle, JUnit, Mockito, Testcontainers
Rafael K.
Last position:
Senior Android Developer / Team-Lead at IBM Deutschland
- Further development and release support for a white-label ePA component for health insurance companies
- Technologies: Android (Kotlin), Kotlin Multiplatform, Coroutines, Jetpack Compose, MVVM, StateFlow, Gradle, ProGuard
Andreas E.
Last position:
AI Coach and Consultant at Studio 8 Dortmund
- Setting up and consulting a startup for organizational development (AI-supported)
- Vision and mission workshops
- Marketing roadmap and process design
- Development of sales processes (sales funnel, lead generation)
- Brand building and social media omnichannel strategies
- Content generation for audio, video, and posts (AI-supported)
- Agile consulting and SAFe implementation
- Atlassian consulting and setup of Confluence and Jira (workflows, dashboards, reporting)
- Setup of a podcast and video studio including live streaming setup
- Selection and implementation of hardware and software
- Website creation and brand building
- CMS implementation based on Typo3
- Consulting in sales, marketing, and social media
- Supporting companies in the efficient use of AI technologies
- Strategy development and consulting on implementing AI strategies
- Change management and supporting teams in AI adoption, including training
- Technical expertise in machine learning, data processing, and large language models (LLMs) like Llama, Claude, and OpenAI GPT
- Selection, fine-tuning, and integration of LLMs into business processes
- Consulting on ethics and governance for responsible AI use
- Conducting tailored training for executives and teams
- AI analysis of various large language models (Llama, OpenAI, Mistral)
- Creation and training of custom GPTs focused on organizational development (product vision, OKR, agile maturity)
- Development of a chatbot on agile maturity
- Development of an AI-generated survey to assess organizational agility
- Setup of local offline GPTs with a focus on data protection and GDPR compliance
- Conducting AI workshops for SMEs and mid-sized companies
Yoav N.
Last position:
Freelance Software Architect at Freelance Consultant
- Various small consultations, e.g. concepts and arcitectures.
- Updating my Matlab, Linux, IPv6, Cyber-Security, C++ (up to 23) and Python skills.
Hendrik B.
Last position:
Lecturer at Front and Fullstack Development Lecturer
- Teaching JavaScript, HTML, CSS, React, NodeJS, MongoDB, MariaDB, and Express
- Designing and preparing lessons
- Classroom teaching and one-on-one coaching
Romy M.
Last position:
Social Media Manager at DMEXCO – Digital Marketing Expo & Conference
Manfred L.
Last position:
Senior Consultant Information Security at Creditplus Bank AG
- Designing the information security process based on ITIL 4
- Designing the ITIL 4 incident and change management processes
- Creating information security policies for the bank
- Support in the project for internal audit findings
- Advising on the setup of the bank's internal control systems (ICS)
- Advising on setting up ICS processes
- Advising and supporting security architecture and risk analysis of the existing IT landscape, including IT security architecture, data management, data compliance & physical security
- Advising and project leadership for the security concept of the bank's assets
- Advising and support in contracts with external service providers to meet the bank's regulatory (BAIT; MaRisk; DORA; NIS2; GDPR) and information security requirements
- Support in planning and implementing a SOC/SIEM and risk management
- Support for the spam email team in analyzing and handling incidents
Ilja L.
Last position:
Software Engineer/Architect (Tech Lead) at Mercedes-Benz Tech Innovation GmbH
- Implementation of various interfaces for subsystems and connection to external devices (cameras, scanners, digital lockers)
- Development of various interfaces in the used cars area
- Realization of various prototypes
- Support in UI/UX and data analytics
- Development of frontend and backend solutions
- Kubernetes migration
- Building CI/CD pipelines
- Communication with the business unit and technical design of new solutions
- Cross-team alignment and coordination within the team
- Overview of the entire technology stack and related systems
- Documentation, preparation, and conducting of reviews
- Supporting the team and coordinating releases and key milestones
Rida Z.
Last position:
Smart Security Coordinator at Pak Arab Oil Refinery (PARCO)
- AI-based monitoring and digital process optimization
- Power BI and dashboard development and deployment.
Jan-Niklas F.
Last position:
Founder at Freundt Consulting GmbH
- Porsche AG (2018 – 12/2019): Design and development of native iOS apps in motorsport/Formula E (e.g. travel app and enterprise warehouse management with SAP integration) and e-mobility (Porsche Taycan; development of a native Microsoft Excel data export).
- StarFinanz / Sparkasse (05/2019 – 07/2021): Worked on the banking app (FinTS, HBCI, PSD2, Apple Pay); implemented Apple Pay; implemented a new TAN method; worked with the FinTS backend (PSD2); opened bank accounts via app (eID, VideoID, Authada); designed a new, modern banking experience.
- eBay Classifieds and Adevinta (07/2021 – 06/2023): Packaging & Pricing (premium features for business customers): e.g. markdown; company page; advertising options; multi-tenant design system based on SwiftUI and UIKit.
- Maschinensucher (07/2023 – 12/2023): Fullstack mobile (Android, iOS) and backend (PHP, Yii, Elastic Search) development; implemented search agent push notifications, InstantSearch, and modernized the design.
- Bankverlag (02/2024 - Present): Consulting and fullstack development of white-label apps (iOS / Android / Java Spring Boot) for private banks.
Henning P.
Last position:
Siemens
- Developed a reporting API with RESTful services and Spring Boot
- LDAP integration
- Migrated services to AWS
- Bootstrap
- Frontend development with Angular 14
- JBoss
- DynamoDB
- S3
- Athena
Discover over 15,000 top freelancers
Statistics of experts using CSS
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 17 years)

Position duration
2 years (Germany: 3.1 years)

Positions per freelancer
15 (Germany: 11)

Top business areas
Information Technology, Product Development, Project Management

Top industries
Information Technology, Automotive, Healthcare

Certification focus areas
Product Development, Information Technology, Project Management
Bachelor's degree or higher
80% (Germany: 88%)
Master's degree or higher
50% (Germany: 51%)

Certifications per freelancer
1 (Germany: 2)

Most common languages
German, English, Spanish

Speak two or more languages
100% (Germany: 98%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Dortmund are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Dortmund using CSS
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
CSS experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (87%)
- Automotive (60%)
- Healthcare (60%)
- Insurance (60%)
- Manufacturing (60%)
- Education (53%)
- Banking and Finance (53%)
- Government and Administration (53%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What CSS does
CSS, short for Cascading Style Sheets, controls how HTML content looks and behaves across screen sizes. It defines layout, spacing, typography, colors, animation and responsive states. Companies use it for websites, web applications, commerce experiences, dashboards and design systems.
Core layout skills
Strong CSS work combines the box model with modern layout methods such as Flexbox and CSS Grid. Professionals handle responsive breakpoints, fluid sizing, positioning, stacking contexts and component states without creating fragile overrides. They also understand inheritance, specificity and how browsers resolve conflicting rules.
Ecosystem and tooling
CSS specialists commonly work with Sass or other preprocessing approaches, PostCSS, CSS Modules and utility frameworks such as Tailwind CSS. Their workflow may include design tokens, component libraries, Storybook, browser developer tools and automated visual checks. They connect styles with HTML, JavaScript, TypeScript and frameworks such as React, Vue or Angular.
Where companies use it
- Responsive marketing sites and landing pages
- Accessible interfaces for web applications
- Reusable component and design systems
- Commerce storefronts and product experiences
- Data-heavy dashboards and internal tools
CSS is also central to branded portals, booking flows and public-facing services. The right approach keeps visual rules consistent while allowing teams to extend the interface safely.
When freelance expertise helps
Companies often bring in freelance CSS experts when a redesign must work across browsers, a design system needs structure, or an existing stylesheet has become difficult to change. A specialist can translate Figma designs into reliable responsive interfaces, improve accessibility, remove duplication and establish conventions for an internal team. Dortmund companies can combine local workshops with remote delivery when collaboration, documentation and language expectations are agreed early.
What quality looks like
High-quality CSS is readable, deliberate and resilient. Strong professionals inspect real content, test keyboard and screen-reader states, check layouts at varied viewport sizes and account for browser differences. They reduce unnecessary specificity, separate design decisions from component logic and explain trade-offs clearly. A useful handover includes naming rules, reusable patterns, tested states and guidance for future changes.
Frequently asked questions
Questions about CSS? Start with the answers below.
CSS styles and lays out HTML content so a website or web application works across phones, tablets and desktops. It controls visual hierarchy, responsive behavior, interaction states, animation and accessibility-related presentation without changing the content structure itself.
CSS is the underlying styling language, while Tailwind CSS provides utility classes and conventions for applying it. A specialist may use Tailwind for consistent, fast composition or write structured CSS for more custom behavior; the right choice depends on the design system, team workflow and long-term maintenance needs.
A strong CSS specialist should understand semantic HTML, responsive design, accessibility and browser tools. Experience with Sass, PostCSS, CSS Modules, design tokens and a frontend framework can also help when styles must integrate with reusable components.
The required depth depends on the work. A focused page refinement may need solid responsive and browser-testing skills, while a large design system calls for advanced knowledge of specificity, architecture, accessibility, performance and component integration. Reviewing comparable deliverables is more useful than relying on a title alone.
Yes. CSS projects are often well suited to remote collaboration because designs, code reviews and browser tests can be shared digitally. For teams in Dortmund, occasional on-site workshops may help with design alignment, while clear tickets, visual references and agreed communication language support remote delivery.
Ask for examples that show responsive states, accessible interactions and maintainable component styling. Inspect whether layouts survive long text, missing images and different viewport sizes. Good CSS work is not only visually close to the design; it remains understandable and stable when the product changes.
CSS is usually the right place for presentation, layout, responsive rules and visual states. Inline styles can suit narrowly scoped dynamic values, while JavaScript should handle behavior rather than replace normal styling. Separating concerns makes interfaces easier to test, reuse and maintain.
A CSS freelancer should confirm the target browsers, supported devices, design source, accessibility expectations and existing component conventions. They should also ask how styles are built and tested, who approves visual changes and whether the deliverable includes documentation or reusable patterns.
The average hourly rate of freelancers in Dortmund, Germany who have used CSS in their recent projects is 94 €, which corresponds to a daily rate of about 752 € based on an 8-hour working day.
Of the freelancers in Dortmund, Germany who have used CSS in their recent projects, 80% hold at least a Bachelor's degree and 50% hold at least a Master's degree.
On average, freelancers in Dortmund, Germany who have used CSS in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Dortmund, Germany who have used CSS in their recent projects are German (100%), English (100%), and Spanish (20%).
The most common industries among freelancers in Dortmund, Germany who have used CSS in their recent projects are Information Technology (87%), Automotive (60%), and Healthcare (60%).
The most common business areas among freelancers in Dortmund, Germany who have used CSS in their recent projects are Information Technology (93%), Product Development (80%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used CSS
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
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