Ruby Experts in Frankfurt
matched in minutes from over 15,000 CVsHire experts who deliver Ruby on Rails applications, APIs, background jobs and integrations, with strong skills in PostgreSQL, testing and cloud deployment. FRATCH precisely matches you with vetted, available freelancers who fit your project.
Meet FRATCH Experts in Frankfurt, who have recently used Ruby
Khaled T.
Last position:
Consultant / DevOps Engineer at Dr. Ing. h.c. F. Porsche Aktiengesellschaft
- Porsche ID is a unified digital identity platform providing secure authentication and seamless access across Porsche’s online services, mobile apps, and connected vehicle features
- Designed and implemented new authentication and authorization functionalities for both users and systems
- Ensured high availability, security, and performance to deliver a flawless digital experience for Porsche customers
- Technologies: Auth0, Angular, Tailwind, AWS, Terraform, Github
- Methodologies: Scrum and SAFe
Tan P.
Last position:
DevOps Engineer in the DevOps Team at Rise-World
- Implementation of specified DevOps solutions to automate infrastructure (Terraform, Bicep, CloudFormation, Ansible) on-premises datacenter (Ovirt, Proxmox, Ceph Cluster, MinIO) and private cloud.
- Administration, configuration and implementation of CI/CD DevOps pipelines (GitLab, GitFlow) to support development process (Artifactory, Prometheus, Istio, service mesh, Helm Chart, OpenShift (Red Hat Enterprise) / Kubernetes cluster), Red Hat Satellite.
- Administration, setup, monitoring and patching of Linux infrastructure based on Red Hat Enterprise for Dev, Test and QA.
- Use of Scrum and Kanban methods.
- Administration, configuration and implementation of security standards for deploying on Dev, Test, QA and Prod stages of the new ePA applications.
- Development of new plugins and add-ons needed on current infrastructure.
- Database support.
- Data analytics support (Python, Spark, Pandas, Power BI, Splunk Enterprise).
- Implementation of best practices for DevSecOps and BizDevOps using GitOps (ArgoCD), Streamlit framework, Semaphore Ansible UI.
- Configuration and testing of iperf, uperf, sysbench using benchmark-operator for external source data and IoT/MDM devices, creating reports via ELK / OpenSearch.
- Building a new Databricks platform to collect and analyze big data from different sources and IoT devices into Hadoop framework (Python, Pandas, PySpark, Power BI, Apache Airflow).
- Building backend data aggregation and processing to automate configuration deployment between different OpenShift clusters and big data framework (Python, Pandas, PySpark, Apache Spark, PostgreSQL, Django 2, Ansible Automation, Jira JSM).
- Building a new ML pipeline platform using Kubeflow, TensorFlow, KServe.
- Data extraction, transformation and loading from different data sources including structured and unstructured data to analytic DWH / big data cluster using Python, Pandas, Polars, Power BI, Django backend and PostgreSQL.
- Setup of new DevOps Test and QA HashiCorp Vault cluster for PKI and IAM.
- Configuration and testing of automated patching based on CVSS score, SIEM-integrated CVEs.
- Use of Nexpose and InsightVM to scan vulnerability events in network, host, container and application.
- Design and implementation of secure and scalable AWS architectures including VPC, EC2, S3, RDS and Route53 and similar setups on Azure and GCP.
- Automated system provisioning and deployment using CloudFormation templates.
- Configuration of IAM roles, policies and permissions to ensure secure access control.
- Patch management, backup automation and disaster recovery setup on AWS infrastructure.
- Monitoring and optimization of system performance using AWS CloudWatch and AWS Trusted Advisor.
- Support of VMware services (vSphere, Aria, Horizon) and the virtual desktop environment.
- Development and maintenance of CI/CD pipelines using Jenkins, GitLab CI/CD and AWS CodePipeline with interface to Nutanix.
- Configuration of AWS CloudWatch to monitor application performance and system events.
- Planning and execution of migration of on-premises applications to AWS cloud platforms.
- Deployment of containerized applications using Docker and Kubernetes in AWS environments.
- Deployment of internal software packages between availability zones using AWS CodeDeploy.
- Building and deploying ML models using Scikit-learn, XGBoost and Spark MLlib including hyperparameter tuning, model evaluation and production deployment.
Timur Y.
Last position:
Lead Frontend Developer | Fullstack Developer at Finanz Informatik
- Further development of an application for managing personnel changes.
- Development of frontend and backend.
- Implementation of the frontend with React and Material UI.
- Implementation of the backend with Java and Spring Boot.
- Use of React, Java, Spring, TypeScript, next.js, Material UI, Github Enterprise, Figma, Docker, Playwright, swagger, swagger UI, OpenAPI, npm, yarn, git.
Pascal S.
Last position:
Full-Stack Engineer at Playbook Digital, Inc
- Work in a rapidly moving environment on scalable and performant organizational features for a growing SaaS creative storage & digital asset management startup
- Optimization of data storage and retrieval routines in hot code paths across a containerized microservice architecture
- Implementation of new feature packages in a largely independent and self-sufficient manner, down the stack; design of both backend architecture and frontend UIs in the absence of templates, mock-ups, or other guide rails
- Autodidactic onboarding, rapid learning and subsequent productive application of technologies I was previously fully unfamiliar with (Ruby/Rails)
Rohith R.
Last position:
Senior Software Engineer at Clark GmbH
- Upgraded Ruby from 2.7 to 3.1, boosting application performance by 30% and reducing technical debt.
- Integrated Zendesk Messenger into the customer support platform, streamlining communication workflows and increasing support efficiency by approximately 25% through faster response times and improved issue resolution.
- Orchestrated the migration of 65,000+ Schutzklick customer records to a new cloud platform, achieving zero downtime and accelerating data access speeds by 40% for internal teams.
- Implemented JumpCloud SSO for 500+ admin users, strengthening platform security and access control.
- Conducted k6 load testing, enabling the platform to support 10,000+ concurrent users without degradation.
Moritz-Carl B.
Last position:
International Head of Business Development at Fitvia GmbH
- Overall responsible for marketing and implementing the omnichannel strategy (including P&L)
- Disciplinary and professional management of 25 employees (5 direct reports)
- Set up and developed Amazon as a sales channel (FBA)
- Identified and negotiated with B2B sales partners
- Planned and executed the grocery retail strategy, including placing displays in various Rewe stores
Robert B.
Last position:
Lead Developer & Consultant at BIOCOM AG
Solo full-stack developer for upgrading a Rails 4 legacy application to Rails 7, including deployment setup via Capistrano and NGINX configuration
Delivered a custom admin dashboard with ChartJS reports, PDF generator and CSV batch importer via Administrate
Implemented new features for reporting, import, data management and GDPR compliance, redesigned core components
Alexander T.
Last position:
Solution Architect at SyroCon AG
- Participation in various management and automation project activities to prepare IoT PoC and Terraform automation in AWS
- Preparation for the Solution Architect Professional certification
Frank M.
Last position:
Web3 accelerator participant co-founder at Blockchain Founders Group
- Co-founder in stage 2 of Web3 accelerator
- Secured EUR 20 000 funding
Doğan Can U.
Last position:
E-Commerce Developer at The Quality Group
Backend development for shops related to the “ESN” and “More Nutrition” shops
Technologies included: PHP, Symfony 6, Bref, AWS (SQS, Lambda), Terraform, Akeneo API
Discover over 15,000 top freelancers
Statistics of experts using Ruby
Aggregated from the professional profiles of matched freelancers.
Experience
19 years (Germany: 18 years)
Position duration
2.1 years (Germany: 3.1 years)
Positions per freelancer
18 (Germany: 12)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Education
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
100% (Germany: 90%)
Master's degree or higher
67% (Germany: 53%)
Doctorate
17% (Germany: 5%)
Certifications per freelancer
4 (Germany: 2)
Most common languages
German, English, Arabic
Speak two or more languages
100% (Germany: 99%)
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Frankfurt are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Frankfurt using Ruby
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Ruby 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%)
- Banking and Finance (70%)
- Education (50%)
- Healthcare (50%)
- Transportation (50%)
- Retail (50%)
- Insurance (40%)
- Automotive (30%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Ruby at a glance
Ruby is a dynamic, object-oriented programming language built for readable code and productive web development. Its expressive syntax supports APIs, data-processing services, automation and full web applications. Ruby on Rails, commonly called Rails, is the best-known framework in its ecosystem.
Rails and ecosystem
Ruby on Rails provides conventions for routing, models, controllers, views, database migrations and background processing. Strong specialists also work with PostgreSQL, Redis, Sidekiq, RSpec, Capybara, Bundler and Docker. Modern Rails projects may use Hotwire for responsive interfaces without a large JavaScript layer.
Typical delivery
- Customer portals, marketplaces and transaction workflows
- REST and GraphQL APIs for web and mobile products
- Subscription, billing and account-management features
- Data imports, integrations and background jobs
- Internal tools and automation services
Ruby professionals can take a product from domain modelling through deployment, monitoring and ongoing maintenance. They often connect Rails applications with payment providers, search services, queues and external business systems.
When expertise matters
Companies bring in freelance Ruby specialists when a Rails product needs a new feature without slowing existing delivery, when a legacy codebase requires careful modernisation, or when reliability issues affect users. Frankfurt teams may combine local workshops with remote implementation, provided communication, documentation and working hours are agreed clearly.
Skills to look for
- Clean Rails structure and sound object-oriented design
- Automated testing with RSpec, request tests and browser tests
- Secure authentication, authorization and input handling
- SQL performance, caching and background job design
- CI/CD, observability and cloud deployment
A capable professional explains trade-offs instead of relying on framework conventions alone. They can read an unfamiliar codebase, isolate risk, improve test coverage and make changes that remain understandable for the team.
Choosing a specialist
Review relevant Ruby or Rails deliverables, not only framework names. Ask how the specialist approaches deployment, incidents, database changes and technical debt. A practical trial task or code discussion can reveal naming, testing, communication and review habits. Clear ownership of decisions helps remote and on-site collaboration succeed.
Frequently asked questions
Not sure where to start with Ruby? These answers cover the essentials.
Ruby is used for web applications, APIs, automation, data processing and internal business tools. Ruby on Rails is especially suited to products with rich business rules, user accounts, workflows and integrations.
Ruby on Rails emphasises conventions, integrated tooling and fast movement from domain model to working application. Teams may weigh it against Django, Laravel, Spring Boot or Node.js frameworks; the right choice depends on existing skills, runtime needs and long-term maintenance.
A strong Ruby specialist commonly works with SQL, PostgreSQL, HTML, CSS, JavaScript and API design. Useful adjacent skills include Redis, Sidekiq, Docker, cloud deployment, automated testing and observability.
The right level of Ruby expertise depends on the codebase, risk and scope rather than a fixed experience label. A small feature may need a capable generalist, while a complex Rails migration or performance issue calls for someone who has handled similar systems.
Ruby work is well suited to remote collaboration because source control, automated tests, issue tracking and deployment pipelines make progress visible. For Frankfurt teams, agree on workshop days, overlapping working hours, documentation standards and the language used for technical decisions.
Ask a Ruby specialist to explain a comparable system, testing strategy and approach to database changes. Look for clear reasoning, small maintainable changes, useful tests and an understanding of security, performance and operational consequences.
Ruby can be a strong fit for modernising a Rails application when the work is planned around risk. A specialist can map dependencies, add protection through tests, upgrade libraries incrementally and improve deployment without forcing an unnecessary rewrite.
Ruby projects often reward readable code, convention-aware design and close attention to the domain model. Freelancers should be comfortable with code review, automated testing, Git workflows, production support and explaining trade-offs to both technical and non-technical stakeholders.
The average hourly rate of freelancers in Frankfurt, Germany who have used Ruby in their recent projects is 96 €, which corresponds to a daily rate of about 766 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used Ruby in their recent projects, 100% hold at least a Bachelor's degree, 67% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Frankfurt, Germany who have used Ruby in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Frankfurt, Germany who have used Ruby in their recent projects are German (100%), English (100%), and Arabic (10%).
The most common industries among freelancers in Frankfurt, Germany who have used Ruby in their recent projects are Information Technology (100%), Banking and Finance (70%), and Education (50%).
The most common business areas among freelancers in Frankfurt, Germany who have used Ruby in their recent projects are Information Technology (90%), Product Development (90%), and Project Management (60%).
Main locations of FRATCH Experts, who have recently used Ruby
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 Request a free demo
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Philipp Thomaschewski
FRATCH CEO
