Haml Experts in Germany
, matched in minutes by AIHire experts who create maintainable Rails views, convert ERB templates to Haml, and connect presentation layers with Sass, JavaScript and Ruby logic. FRATCH matches you quickly with vetted, available freelancers who fit your project.
Meet FRATCH Experts in Germany, who have recently used Haml
Gwen G.
Last position:
Senior Ruby on Rails & DevOps Developer at Sapiens
Further development of a software solution for managing audit applications and audit notifications according to §106d SGB V for the Association of Statutory Health Insurance Physicians in Hamburg.
- Developed numerous features, optimised performance, refactored code and analysed errors
- Refactored the development container setup
- Optimised the Gitlab-CI build pipeline
- Introduced improvements to the team workflow
Naga Sai Tejaswi K.
Last position:
Senior Ruby on Rails Developer at Transline GmbH
- Developed and maintained a translation management platform integrating with TRADOS and ACROSS CAT tools for seamless document exchange.
- Designed and optimized database schema to support scalable multilingual document workflows.
- Built RESTful APIs to enable communication between servers and microservices.
- Implemented front-end modules using Vue.js for interactive, user-friendly interfaces.
- Applied Camunda process engine for workflow automation, task tracking, and project status management.
- Conducted performance monitoring and optimization for critical application components.
- Practiced Test-Driven Development (TDD) with RSpec and Capybara to ensure code quality and maintainability.
- Enhanced deployment workflows by modifying Bitbucket Pipelines for automated code pushes and deployments.
Patrick B.
Last position:
Senior Backend Developer at stocubo GmbH
- Further development of the online shop
- IT environment: Ruby on Rails, JavaScript, Postgres, AWS, Git, Continuous Deployment, Kubernetes, SLIM
Peter M.
Last position:
Backend Engineer at sonnen GmbH
- sonnen offers home batteries and energy contracts to provide renewable energy.
- Technologies: Ruby on Rails, PostgreSQL, Redis, GraphQL, OpenID Connect, Kubernetes.
René F.
Last position:
Freelance Software Developer at Njiuko GmbH
- Git
- PostgreSQL
- REST-APIs
- RSpec
- Ruby on Rails
- Pair programming
- Jira
- Teamwork
- Slack
- Backend
- Docker
- Kubernetes
- Hubspot API
Saurabh L.
Last position:
Beyond Finance / Above Lending
- Played a key role as an early developer, contributing to the architecture design and development of a complex Rails migration, focusing on building robust services for large-scale data synchronisation.
- Developed and maintained key services that handled hundreds of thousands of records daily, ensuring seamless data flow between client data and third-party services.
- Wrote custom libraries to streamline integrations with external systems, including Salesforce, enhancing data accuracy and efficiency.
- Actively engaged in pair programming, thorough code reviews, bug resolution, and idea brainstorming, fostering collaboration and continuous improvement across the team.
Discover over 15,000 top freelancers
Statistics of experts using Haml
Aggregated from the professional profiles of matched freelancers.
Experience
16 years
Position duration
2.2 years
Positions per freelancer
10
Top business areas
Information Technology, Product Development, Business Intelligence
Top industries
Information Technology, Retail, Media and Entertainment
Bachelor's degree or higher
100%
Master's degree or higher
25%
Most common languages
German, English, Spanish
Speak two or more languages
100%
Based on our profile pool as of 16 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany 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 Germany using Haml
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 16 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Haml 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 (100%)
- Retail (83%)
- Media and Entertainment (67%)
- Tourism (50%)
- Automotive (33%)
- Energy (33%)
- Banking and Finance (33%)
- Healthcare (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Haml is
Haml is a whitespace-sensitive markup language for Ruby web applications. It replaces much of the closing-tag and attribute syntax found in HTML with concise indentation-based notation. Haml is most closely associated with Ruby on Rails, where it serves as a view-template alternative to ERB and helps teams keep presentation code compact and readable.
Rails view work
Haml specialists use the language to build server-rendered interfaces and reusable view structures. They work with Rails controllers, routes, partials, layouts and helpers to turn application data into accessible pages. Their deliverables may include:
- New Haml layouts, partials and reusable components
- ERB-to-Haml migrations with tested output
- Form views, tables, dashboards and content pages
- Template cleanup and rendering fixes
Ecosystem and tooling
Haml work sits inside the Ruby and Rails ecosystem. Strong professionals understand Ruby syntax, Rails view conventions, Rails helpers, asset pipelines and front-end styling with CSS or Sass. Depending on the application, they may also work with JavaScript, Hotwire, Stimulus, Turbo, component libraries and testing tools such as RSpec or Capybara.
When to bring in expertise
Companies often seek freelance Haml expertise during Rails modernization, interface redesigns or migrations from ERB. Outside help is also useful when inconsistent templates slow delivery, accessibility issues appear in rendered HTML, or an internal team needs support with a large view layer. In Germany, remote collaboration can work well when documentation, review routines and language expectations are agreed early; some projects still require on-site workshops.
Choosing a strong specialist
Look for evidence of production Rails views rather than familiarity with syntax alone. A capable professional can explain how Haml renders, how whitespace affects nesting, and how to keep logic out of templates. They should also be comfortable reviewing generated HTML, preserving accessibility, writing focused tests and improving shared partials without introducing hidden coupling.
- Reviews template structure and rendered markup
- Handles ERB conversion without changing user-facing behavior
- Works confidently with Rails helpers and front-end assets
- Documents conventions for future contributors
Project fit and delivery
Before work starts, define the Rails version, existing template language, asset setup, test coverage and expected browser behavior. Agree on whether the specialist will build new views, migrate existing templates or establish a component pattern. Clear acceptance criteria make remote handover easier and help teams assess code quality through small reviews and working increments.
Frequently asked questions
Curious about Haml? Here are the answers that come up again and again.
Haml is used to write server-rendered HTML views with concise, indentation-based syntax. It commonly handles layouts, partials, forms, content pages and application dashboards in Ruby on Rails projects.
Haml uses indentation and shorthand notation, while ERB embeds Ruby expressions inside conventional HTML markup. Haml can make templates shorter and visually structured, but ERB may be easier for teams already comfortable with standard HTML and Ruby tags.
A strong Haml specialist usually understands Ruby, Rails routes, controllers, helpers, layouts and partials. Knowledge of HTML accessibility, CSS or Sass, JavaScript, Hotwire and view testing is also valuable.
A Haml migration needs enough project experience to preserve rendered behavior, form handling, escaping and accessibility. The right level depends on template volume, test coverage, custom helpers and how much front-end logic is mixed into the existing views.
Haml work is often well suited to remote collaboration because templates, tests and rendered output can be reviewed asynchronously. Teams in Germany should clarify working hours, written documentation and whether discussions require German, English or both.
Review a Haml specialist’s production examples and ask how they handle nesting, escaping, partial boundaries and generated HTML. A practical review should also cover accessibility, test updates, readability and whether the template structure supports future changes.
Haml can be a sensible choice when a Rails team values concise templates and already uses the syntax consistently. The decision should consider existing conventions, onboarding needs, component patterns and whether the team prefers Haml or ERB for long-term maintenance.
A freelance Haml expert can deliver new layouts, partials, forms, reusable view components and an ERB-to-Haml conversion. They may also improve template conventions, repair rendering defects, add view tests and document how future contributors should work with the view layer.
The average hourly rate of freelancers in Germany who have used Haml in their recent projects is 101 €, which corresponds to a daily rate of about 804 € based on an 8-hour working day.
Of the freelancers in Germany who have used Haml in their recent projects, 100% hold at least a Bachelor's degree and 25% hold at least a Master's degree.
On average, freelancers in Germany who have used Haml in their recent projects have 16 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Germany who have used Haml in their recent projects are German (100%), English (100%), and Spanish (33%).
The most common industries among freelancers in Germany who have used Haml in their recent projects are Information Technology (100%), Retail (83%), and Media and Entertainment (67%).
The most common business areas among freelancers in Germany who have used Haml in their recent projects are Information Technology (100%), Product Development (100%), and Business Intelligence (17%).
Main locations of FRATCH Experts, who have recently used Haml
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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FRATCH CEO
