Malt Strategy
Malt Strategy

Ruby on Rails Freelancer

    - Sofort verfügbare Experten
    - Freelancer-Projekte einfach digital abwickeln und verwalten
    - Ein Team, das Sie bei Ihren Projekten unterstützt

28 Freelancer im Bereich „Ruby on Rails“ verfügbar

Annamaria Costalonga - Web-Entwicklung - Technische Support
Annamaria Costalonga

Web-Entwicklung - Technische Support

450 €/Tag

Berlin
  • Back-End development
  • Technical Support
  • Technical Writing
  • Multilingual Content
  • Ruby on Rails
  • Amazon Web Services
  • Scrum
  • Node.js
  • JavaScript
  • MySQL
  • HTML5
  • CSS3
  • Git
  • React.js
  • Gatsby
  • Elixir
  • PostgreSQL
  • Heroku
  • Netlify
  • Atlassian JIRA
  • Phoenix
  • jQuery
  • Agile Methode
  • Docker
  • Kanban
  • GraphQL
  • MongoDB
Verfügbarkeit bestätigt
Blagovest Ouglechov - Testmanagement | Testautomatisierung | RPA | BPA
Blagovest Ouglechov

Testmanagement | Testautomatisierung | RPA | BPA

795 €/Tag

München
  • Testmanagement
  • Testautomatisierung
  • Prozess Automatisierung
  • Projektmanagement
  • Webentwicklung
  • Scrum
  • Ruby on Rails
  • Agile Methode
  • UiPath
  • RPA
  • Business Analysis
  • Prozessmanagement
  • Selenium
  • Kanban
  • PMO
  • Google Analytics
  • Product Owner
  • JavaScript
  • React.js
  • Ruby
  • TensorFlow
  • Business Intelligence
  • Python
  • Lean Startup
  • Coaching
  • Design Thinking
  • Lean Management
  • Unternehmenssteuerung
  • iOS
  • iPad
  • Mobile Anwendung
  • Swift
  • On-Page-Optimierung
  • SEO
  • SEO-Audit
  • SEO-Schulung
  • Java
  • Maven
  • Cucumber
  • Rest-API
  • Postman
  • XRay
  • Atlassian JIRA
  • Jira
  • Ranorex
  • TestRail
  • C#
  • SoapUi
  • Git-SVN
  • Amazon Web Services
  • Cloud Computing
  • Testautomation
  • Testing
  • tester
  • Andoid
  • Sales
  • Team-Management
  • Content-Marketing
  • Webmarketing
  • SEA
  • SEM
  • Content-Strategie
  • SQL Server
  • IT-Planung
  • Consulting
  • Web Content
  • vba
  • Riskmanagement
  • Vertrieb
  • Webarchitektur
Verfügbarkeit bestätigt
Joachim Eckerlin - Senior Software Engineer & IT-Berater
Joachim Eckerlin

Senior Software Engineer & IT-Berater

750 €/Tag

Hamburg
  • TYPO3
  • Nuxt.js
  • Ruby on Rails
  • Typescript
  • KI Beratung
Tobias Wolff - AI-Agents, LLMs, Software Engineer, Founder, CTO
Tobias Wolff

AI-Agents, LLMs, Software Engineer, Founder, CTO

732 €/Tag

Berlin
  • AI
  • Generative AI
  • LLMs
  • Prototype
  • AI Agents
  • Machine learning
  • Ruby on Rails
  • IT-Architektur
  • Cloud computing
  • Software Engineering
  • Frontend Interface-Entwicklung
  • Backend Service-Entwicklung
  • Externe API-Integration
  • Softwarearchitektur
  • CI/CD-Management
  • Cloud-Integration
  • Microservices-Architektur
  • Skripting-Automatisierung
  • Datenschutz (GDPR, CCPA)
  • Risiko- & Schwachstellenbewertung
  • Algorithmen & Datenstrukturen
  • Datenbankmanagement (z. B. SQL, NoSQL)
  • Datenmigration & -sicherung
  • ETL-Prozesse (Extrahieren, Transformieren, Laden)
  • Web Scraping
  • Agiles Projektmanagement
  • Digitalisierung
  • Ideation
  • ERP-Integration mit externen Systemen
  • IT-Strategie
  • IT-Architektur
  • IT-Projektmanagement
  • Algorithms
  • LLM
  • Neural Networks
  • Neuronale Netze
  • künstliche Intelligenz
  • Python
  • Typescript
  • Software Architektur
  • Full-Stack Development
  • artificial intelligence
  • Softwareentwicklung
  • Freelancer
  • n8n
  • Automatisierung
  • Microsoft Azure
  • DevOps
  • Google Cloud
  • AWS
René Fürstenberg - Ruby on Rails - Senior Software Developer
René Fürstenberg

Ruby on Rails - Senior Software Developer

720 €/Tag

Eisenach
  • JavaScript
  • Ruby on Rails
  • MySQL
  • MongoDB
  • Git
  • Rest-API
  • PostgreSQL
  • Ruby
  • TDD
  • OAuth
  • OAuth2
  • Bootstrap
  • noSQL
  • HTML5
  • HTML
  • Scrum
  • jQuery
  • Cucumber
  • SASS
  • Linux
  • Mac OS
  • Stimulus
Verfügbarkeit bestätigt
Gwen Glaser - Senior Software Developer Elixir / Ruby, Team Lead
Gwen Glaser

Senior Software Developer Elixir / Ruby, Team Lead

980 €/Tag

Leipzig
  • Ruby on Rails
  • Elixir
  • KI Strategie
  • PostgreSQL
  • Kommunikation
  • Ruby
  • JavaScript
  • MySQL
  • Git
  • CSS3
  • Docker
  • HTML5
  • Scrum
  • Atlassian JIRA
  • Elm
  • Nomad
  • Gitlab CI
  • Github Actions
  • DevOps
  • technisches Projektmanagement
  • Software Architektur
  • Datenbanken
  • IT-Consulting
  • UX Consulting
  • Teamleitung
  • NLP
  • Lean
  • Agile Methoden
  • Agile Transformation
  • Kanban
  • React.js
  • Node.js
  • Typescript
  • REST
  • SQL
  • Stimulus
  • Refactoring
  • Clean Code
  • Software Design
  • Coaching
  • Consulting
  • Stakeholder Management
  • Technical Product Owner
  • strategische Planung
  • Bewerbermanagement
  • Onboarding
  • Gestaltung
  • Mentoring
  • Konfliktmanagement
  • Phoenix
  • Ash
  • MongoDB
  • Compliance
  • CI/CD
  • Deployment
  • HTML/CSS
  • Rest-API
  • Docker-Compose
  • Consul
  • Datenmodellierung
  • API-Design
  • UI/UX Design
  • SOAP
  • Figma
  • Teamcoaching
  • Design Patterns
  • TDD
  • Redis
  • Elasticsearch
  • Memcached
  • Amazon Web Services (AWS)
  • Continuous Integration
  • Workshopmoderation
  • CTO
  • Jenkins
  • Agile Leadership
  • Qt
  • Oracle
  • PL/SQL
  • Bash
  • Subversion
  • CMS
  • Agiles Projektmanagement
  • Elixir
  • Kommunikation
Andreas Huber - Software Engineer M.Sc. (Angular/Flutter/Rails)
Andreas Huber

Software Engineer M.Sc. (Angular/Flutter/Rails)

560 €/Tag

Neustadt a.d.Donau
  • Spring Boot
  • Flutter
  • Java
  • Typescript
  • Ruby on Rails
  • Android
  • Kotlin
  • Dart
  • Node.js
  • Angular
  • R
  • Firebase
  • PHP/MySQL
  • PHP Symfony
  • Google Firebase
  • Flutter
  • REST
  • MySQL
  • SQL Server
  • HTML
  • SCSS
  • CSS
  • LDAP
  • Wordpress
  • Linux
  • PHP
  • Docker
  • C#
  • AWS
  • GCloud
  • JavaScript
Bald verfügbar
Levente-Laszlo Bagi - Full-stack Web Developer | Ruby, React
Levente-Laszlo Bagi
Supermalter

Full-stack Web Developer | Ruby, React

480 €/Tag

Berlin
5(15)
  • Ruby on Rails
  • React.js
  • Typescript
  • JavaScript
  • Fullstack
  • HTML5
  • CSS3
  • Git
  • PostgreSQL
  • Ruby
  • REST
  • JSON
  • Agile method
  • Scrum
  • Kanban
  • Continuous integration
  • Linux
  • Nginx
  • CouchDB
  • Test driven development
  • Docker
  • Node.js
  • Amazon Web Services
  • Back-End development
  • Front-End development
  • Lead Developer
  • PWA
  • Next.js
  • MobX
  • Stimulus
  • React
  • Material UI
  • PouchDB
  • JSON:API
  • Fullstack
Reto Kiefer - CTO, Agile Transformation, Java, Python, Groovy
Reto Kiefer

CTO, Agile Transformation, Java, Python, Groovy

960 €/Tag

Frankfurt am Main
  • Java
  • Groovy
  • Python
  • Agile Coach
  • Ruby on Rails
  • Grails
  • Spring
  • Spring Boot
  • Django
  • PostgreSQL
  • Docker
  • Kubernetes
  • Agile Transformation
  • Atlassian JIRA
  • Atlassian Confluence
  • Backend Service-Entwicklung
  • Externe API-Integration
  • iOS
  • Android
  • Kotlin
  • Swift
  • SwiftUI
  • Softwarearchitektur
  • CI/CD-Management
  • Microservices-Architektur
  • ERP-Integration mit externen Systemen
  • Anpassung des ERP-Systems
  • Cloud-Plattformen & Infrastruktur
  • ETL-Prozesse (Extrahieren, Transformieren, Laden)
  • Daten-Pipelines & Warehousing
  • Agile Leadership
  • Moderation von agilen Zeremonien
  • Agiles Team-Coaching
  • Ideation
  • Moderation von Workshops
  • Backlog-Verfeinerung
  • Mobile App-Bereitstellung
  • CMS-Anpassung
  • AWS
  • Google Cloud
  • Microsoft Azure
Saurabh Lodha - Full stack developer
Saurabh Lodha

Full stack developer

640 €/Tag

Berlin
  • Python
  • Langchain
  • artificial intelligence
  • AI Agent
  • RAG
  • Ruby
  • Ruby on Rails
  • JavaScript
  • React.js
  • AWS
  • Node.js
  • Frontend
  • Snowflake
  • LLM
Waheed Barghouthi - Software Architect | LLM | Automation
Waheed Barghouthi

Software Architect | LLM | Automation

800 €/Tag

Cologne
  • LLM
  • DevOps
  • Python
  • Software Architecture
  • JavaScript
  • Ruby
  • Ruby on Rails
  • Lua
  • C++
  • External API integration
  • SEO Optimization
  • Cloud Administration
  • SRE Principles
  • Infra as Code
  • CI/CD Management
  • Cloud Integration
  • DevSecOps
  • Scripting Automation
  • Serverless Computing
  • Test Environment Management
  • Microservices Architecture
  • Cybersecurity Incident Management
  • ETL (Extract, Transform, Load) Processes
  • Database Management (e.g., SQL, NoSQL)
  • Cloud Platforms and Infrastructure
  • Ideation
  • Agile Project Management
  • Workshops Facilitation
  • Change and Transformation Management
  • Embedded software
  • IT Architecture
  • System Integration
  • Software Architecture
  • Python
Verfügbarkeit bestätigt
Masahiro Hanawa - Full Stack Developer
Masahiro Hanawa

Full Stack Developer

500 €/Tag

Berlin
  • React.js
  • Node.js
  • Typescript
  • React Native
  • Ruby on Rails
  • Mobile App Deployment
  • Front End Interface Development
  • Backend Service Development
  • CI/CD Management
João Lago - Software Engineer and Technical Leader
João Lago

Software Engineer and Technical Leader

800 €/Tag

Berlin
  • JavaScript
  • Ruby on Rails
  • BigQuery
  • Svelte
  • React.js
Dennis Keil - Node.js & Angular Developer - Frontend / Backend
Dennis Keil

Node.js & Angular Developer - Frontend / Backend

640 €/Tag

Hamburg
  • Node.js
  • JavaScript
  • TypeScript
  • PHP
  • AngularJS
  • HTML5
  • CSS3
  • MySQL
  • Git
  • Bootstrap
  • Docker
  • Angular
  • Scala
  • PostgreSQL
  • Shopware
  • Ruby on Rails
  • ASP.NET MVC
  • C#
  • Symfony
Amrit L. - FullStack Senior Developer
Amrit L.

FullStack Senior Developer

450 €/Tag

Hamburg
5(1)
  • React.js
  • Next.js
  • Typescript
  • JavaScript
  • Back-End Web Development
  • PHP Laravel
  • REST API
  • C++20
  • Ruby on Rails
  • MySQL
  • Database
  • Dashboard Entwicklung
  • API Integration
  • NodeJS
  • Wordpress
  • Shoplify
  • WooCommerce
  • AngularJS
  • Vue.js
  • Node.js
  • Python
  • Django
  • flask
  • C#
  • CRM
  • React Native
  • Flutter
  • Android
  • Swift
Lennard Timm - Data Coach • Data Strategist & Architect
Lennard Timm

Data Coach • Data Strategist & Architect

1.000 €/Tag

Berlin
  • Data Strategy
  • Data Engineering
  • Data Analytics
  • Business Intelligence
  • Data Warehousing
  • Amazon Redshift
  • Snowflake
  • PostgreSQL
  • ETL/ELT
  • dbt
  • Analytics
  • Data Analysis
  • Data Consultant
  • Data Visualization
  • Data Pipelines
  • Data Science
  • Data Platforms
  • Web Analytics
  • Google Analytics
  • Amazon Web Services
  • Agile Methode
  • Kanban
  • Scrum
  • Scrum Master
  • Projektmanagement
  • Produktmanagement
  • Agile Coach
  • PL/SQL
  • Looker
  • Metabase
  • Python
  • Ruby
  • Git
  • Microservices
  • API
  • Google BigQuery
  • Google Cloud
  • Snowplow
  • Event-driven architecture
  • Speaker
  • Palantir Foundry
  • Apache Spark
  • Amazon Kinesis
  • Data-driven
  • ELT/ETL
  • Continuous Integration
  • Data Quality
  • MVP
  • Apache Airflow
  • Ruby on Rails
  • TDD
René Simon Pfisterer - Central Product Owner IT/SaaS solutions
René Simon Pfisterer

Central Product Owner IT/SaaS solutions

1.067 €/Tag

Berlin
5(4)
  • Scrum
  • Product Owner
  • E-Commerce
  • Führung
  • Scrum Master
  • Agile Coaching
  • Atlassian JIRA
  • Scrumban
  • Projektmanagement
  • HTML5
  • CSS3
  • PHP
  • Ruby on Rails
  • Psychologie
  • NLP
  • GPM
  • Agile Methode
  • Agiles Coaching
  • Backlogmanagement
  • Visionboard
  • Online Marketing Manager
  • PR
  • Social Media
  • Coaching
  • Persönlichkeitsentwicklung
  • Systemisches Coaching
  • Project Management
  • IPMA
  • Backlog-Verfeinerung
  • Feature-Definition
  • Roadmapping
  • User Stories & technische Spezifikationen
  • Wireframing & Prototyping
  • Konzeption
  • Webdesign
  • Stakeholder Management
  • Produktmanagement
  • User Experience
  • User Experience Design
  • Adobe InDesign
  • Concept Development
  • Delivery Lead
  • Atlassian Confluence
  • Kanban
  • Prozessmanagement
  • Agile Coach
  • CSM
  • Consulting
  • CMS
  • JavaScript
Trung Nguyen - Cloud Architect // Engineering Manager
Trung Nguyen

Cloud Architect // Engineering Manager

1.069 €/Tag

Berlin
1
  • Amazon Web Services
  • DevOps
  • Kubernetes
  • Security
  • Terraform
  • Ansible
  • Docker
  • Golang
  • Python
  • Ruby
  • Google Cloud
  • Cloud Computing
  • Jenkins
  • Gitlab
  • Ruby on Rails
  • Agile Methode
  • Scrum
  • Javascript
  • HTML5
  • linux
  • SQL
  • REST
  • Microservices
  • CI/CD
  • PostgreSQL
  • Infrastructure
  • aws
  • elk
  • sonarqube
Jonas J. - AI & Software Engineer - Beratung & Entwicklung
Jonas J.

AI & Software Engineer - Beratung & Entwicklung

760 €/Tag

Nürnberg
  • Artificial Intelligence (AI)
  • Software Development
  • Software Architektur
  • App Entwicklung
  • Strategische Beratung
  • Vue
  • Postgres
  • MySQL
  • HTML5
  • CSS3
  • Linux
  • Node.js
  • Git-SVN
  • Docker
  • Vue.js
  • Ruby on Rails
  • Ruby
  • JavaScript
  • React.js
  • React Native
  • Webdesign
  • artificial intelligence
  • Typescript
  • PostgreSQL
  • CI/CD
  • Mobile application
  • HTML
  • AngularJS
  • C#
  • .NET
Michael Müller - Senior Fullstack Developer
Michael Müller

Senior Fullstack Developer

600 €/Tag

Berlin
  • Java
  • ASP.NET
  • C#
  • PHP
  • JavaScript
  • React.js
  • Node.js
  • AngularJS
  • Ruby on Rails
Verfügbarkeit bestätigt
Kristijan Federer - Full-stack Web Developer
Kristijan Federer

Full-stack Web Developer

450 €/Tag

Berlin
  • JavaScript
  • React.js
  • Sanity
  • Next.js
  • TailwindCSS
  • HTML5
  • CSS3
  • Stripe
  • Bootstrap 3
  • Figma
  • GitHub
  • PostgreSQL
  • Ruby on Rails
  • Bootstrap
  • SASS
  • Stimulus
  • NPM
  • Python
  • Django
  • Vercel
  • MySQL
  • noSQL
  • SQL
  • CMS-Anpassung
  • Externe API-Integration
  • Frontend Interface-Entwicklung
  • Backend Service-Entwicklung
  • Datenbankmanagement (z. B. SQL, NoSQL)
  • Datenbereinigung & Vorverarbeitung
  • Datenmigration & -sicherung
  • Web Scraping
  • KI
  • Podman
  • VSCode
Andrew France - Web developer (Ruby and Elixir)
Andrew France

Web developer (Ruby and Elixir)

680 €/Tag

Berlin
1
  • Elixir
  • Ruby
  • Vue.js
  • User Experience Design
  • Mentoring
  • PostgreSQL
  • JavaScript
  • HTML5
  • CSS3
  • IT-Architektur
  • Documentation
  • Ubuntu
  • Docker
  • Git
  • Bash
  • Projektmanagement
  • SASS
  • Ruby on Rails
  • Service Design
  • Accessibility
  • Videoproduktion
  • UX
  • UX Consulting
  • Clojure
  • GitHub
  • jQuery
  • Back-End-Entwicklung
  • Backbone.js
  • JSON
  • XML
  • Rest-API
  • Debian
  • Redis
  • User Research
  • DevOps
  • AWS
  • API
  • Stripe
  • Payment
  • Modeling
  • REST
  • Google Tag Manager
  • Wordpress
  • Business Development
  • Chef
  • IT-Infrastruktur
Verfügbarkeit bestätigt
Sarah L. - Entwicklung & Design
Sarah L.

Entwicklung & Design

560 €/Tag

Frankenthal
  • Figma
  • Webdesign
  • Webentwicklung
  • Astro
  • a11y
  • JavaScript
  • HTML5
  • CSS3
  • Typescript
  • Wordpress
  • SASS
  • MySQL
  • jQuery
  • Vue.js
  • Nuxt.js
  • Bulma
  • Ruby on Rails
  • GraphQL
  • Strapi
  • SCSS
  • Vite
  • Figma
  • Webdesign
  • Webentwicklung
Verfügbarkeit bestätigt
Oliver Lindenlauf - Shopify-Experte & Senior Developer
Oliver Lindenlauf

Shopify-Experte & Senior Developer

750 €/Tag

Köln
5(1)
  • Shopify
  • E-Commerce
  • React
  • Wordpress
  • Expert Shopify
  • Online-Shops
  • Typescript
  • Liquid
  • Shopify Plus
  • Conversion Rate Optimierung
  • HTML5
  • React.js
  • CSS3
  • Node.js
  • Front-End-Entwicklung
  • SCSS
  • Git
  • Continuous Integration
  • Lead Developer
  • NPM
  • SASS
  • Next.js
  • Webpack
  • PWA
  • GraphQL
  • Webstorm
  • Continuous Deployment
  • Software Architecture
  • Frontend
  • REST
  • Webentwicklung
  • Gitlab
  • Tech Lead
  • WooCommerce
  • HTML
  • Consultant
  • E-Commerce SEO
  • Shopify Themes
  • Performance-Optimierung
  • Frontend Interface-Entwicklung
  • SEO-Optimierung
  • Geräteübergreifende Kompatibilität
  • JavaScript
  • Ruby on Rails
  • Performance Management
  • Teamleitung
  • Software Architektur
Bald verfügbar
Anton Koepke - Shopify Experte & Shopify Fullstack Entwickler
Anton Koepke

Shopify Experte & Shopify Fullstack Entwickler

720 €/Tag

Hamburg
  • Shopify
  • Shopify Liquid
  • Shopify Theme
  • Shopify App
  • JavaScript
  • HTML5
  • CSS3
  • Node.js
  • React.js
  • MongoDB
  • Scrum Master
  • Scrum
  • Ruby on Rails
Simon Opitz - Agile Coach | Scrum Master
Simon Opitz

Agile Coach | Scrum Master

1.000 €/Tag

Dresden
2
  • Agile Coaching
  • Scrum Master
  • Coaching
  • Lean Startup
  • Design Thinking
  • Product Owner
  • Führungskräftecoaching
  • Scrum
  • Kanban
  • Agile Methode
  • Service Design
  • Strategic Advising
  • Product management
  • Change Management
  • Organisationsentwicklung
  • lean management
  • Kommunikationstraining
  • Persönlichkeitsentwicklung
  • Teamentwicklung
  • Verhaltensanalyse
  • Atlassian JIRA
  • Atlassian Confluence
  • TDD
  • Java
  • Golang
  • Docker
  • Kubernetes
  • User Testing
  • Organisations-Design
  • Kultur-Analyse
  • HR Consulting
  • Recruiting
  • Anforderungsanalyse
  • Stakeholder-Management
  • PHP
  • kontinuierliche Integration
  • Continuous Deployment
  • DevOps
  • Requirements Engineering
  • Business Process Management
  • BPMN
  • Stakeholder Management
  • Projektmanagement
  • Polymer
  • Gitlab
  • Jenkins
  • Camunda
  • Lebensmittel
  • Trello
  • Taiga
  • React.js
  • Node.js
  • jBehave
  • git
  • Confluence
  • Mockito
  • JUnit
  • Flyway
  • SVN
  • Maven3
  • JavaServer Faces
  • Primefaces
  • Glassfish 3
  • Selenium
  • Git-SVN
  • JavaScript
  • Ruby on Rails
  • Postgres
  • Redmine
  • .NET
  • Microsoft Visual Studio
  • List & Label
  • Ext.js
  • XMind
  • EMF
  • GMF
  • Eclipse
Julian Kaiser - KI-Automatisierung & AI Agents | n8n • Rails • Gen
Julian Kaiser

KI-Automatisierung & AI Agents | n8n • Rails • Gen

920 €/Tag

Hamburg
1
  • Generative AI
  • n8n
  • AI Agents
  • Workflow Automation
  • Node.js
  • Docker
  • SQL
  • OpenAI
  • External API integration
  • Web scraping
  • ERP Integration with External Systems
  • RAG
  • Prompt engineering
  • Typescript
  • Ruby on Rails
Emmanuel Nsabimana - Frontend-Entwickler
Emmanuel Nsabimana

Frontend-Entwickler

300 €/Tag

Hamburg
  • JavaScript
  • Typescript
  • React.js
  • Next.js
  • Java
  • External API integration
  • Front End Interface Development
  • Cross Device compatibility
  • Database Management (e.g., SQL, NoSQL)
  • Backend Service Development
  • LLM
  • Generative AI
  • PHP
  • Wordpress
  • Ruby on Rails
  • Ruby
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