Ruby Experts in Frankfurt
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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
DoÄźan 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: 91%)
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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Frankfurt 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 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 29 Oct 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 in practice
Ruby is a dynamic, object-oriented programming language known for readable syntax and fast product development. It is widely used for web applications, internal tools, automation scripts, APIs and data-processing services. Ruby lets teams express business rules clearly while keeping code easy to change.
Rails and the ecosystem
Ruby on Rails is the best-known framework in the Ruby ecosystem. It provides conventions for routing, database access, background jobs, mail delivery and application structure, often with PostgreSQL, Redis, Sidekiq and REST or GraphQL APIs. Specialists also work with RSpec, Minitest, Bundler, RuboCop and Docker.
What specialists deliver
- Customer portals, marketplaces and subscription products
- JSON APIs and service-oriented backends
- Admin interfaces and workflow automation
- Integrations with payment, messaging and identity services
- Test suites, performance improvements and release pipelines
Ruby projects often need professionals who can turn product requirements into maintainable application code. Strong specialists understand domain modelling, database migrations, authentication, authorization and observability rather than focusing only on framework conventions.
When freelance support helps
Companies bring in freelance Ruby specialists when a product team needs delivery capacity, a Rails application requires modernization or a new service must launch without slowing existing work. They can take ownership of a defined feature, stabilize a production system or establish testing and deployment practices. Frankfurt teams may combine on-site collaboration with remote delivery across Germany and Europe.
Quality signals
Look for professionals who can explain trade-offs in Active Record, background processing, caching and API design. A strong portfolio should show production systems, careful tests, secure handling of user data and sensible database decisions. Ask how they investigate slow requests, manage technical debt and make changes safe to release.
Related skills
Ruby specialists commonly work with PostgreSQL or MySQL, JavaScript or TypeScript, HTML and CSS, Linux, Git and cloud deployment. Depending on the project, useful adjacent knowledge includes Kubernetes, CI/CD, Terraform, Elasticsearch, Redis and third-party API integration. Communication matters as much as syntax: the right professional documents decisions and collaborates clearly in English or German.
Frequently asked questions
Not sure where to start with Ruby? These answers cover the essentials.
Ruby is commonly used for web applications, SaaS products, APIs, automation and internal business tools. Ruby on Rails supports rapid delivery through conventions for routing, persistence, testing and application structure.
Ruby on Rails favors convention over configuration and offers an integrated approach to common web application needs. Compared with frameworks such as Django, Laravel or Node.js solutions, it can reduce routine decisions while still allowing experienced specialists to customize architecture.
A strong Ruby specialist often works with SQL databases, REST or GraphQL APIs, JavaScript, Git, Docker and cloud deployment. Experience with RSpec, Sidekiq, Redis, CI/CD and observability is valuable for production systems.
The right level depends on the system’s risk and scope, not a fixed number of years. A small feature may need focused Rails knowledge, while a legacy migration or high-traffic service calls for a Ruby professional who can assess architecture, data integrity, security and release risk.
Ruby work is well suited to remote collaboration because code, tests, issue tracking and deployments are handled digitally. Frankfurt companies should agree on communication routines, working hours, documentation standards and whether occasional on-site sessions are useful.
Ask for examples of production systems the Ruby specialist has maintained or extended, not only greenfield demos. Review their approach to testing, database changes, security, monitoring and technical debt, and use a practical discussion to assess how clearly they explain trade-offs.
Ruby can be a strong fit for modernization when the specialist first maps dependencies, test coverage, data flows and deployment risks. A careful professional can upgrade Rails components, introduce safer tests, improve performance and replace fragile areas incrementally.
A Ruby freelancer will usually want clarity on the application’s Rails version, architecture, backlog, deployment process and decision-making structure. They also need to know whether the engagement focuses on new features, legacy maintenance, performance, integrations or team support.
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
