Tech jobs in Germany

Senior Application Security Engineer

Germany (remote), Germany

Remote Full-time Senior

5+ YOE Experience with offensive security testing of applications and infrastructure, deep knowledge of web vulnerabilities, scripting or programming in Ruby, Python or JavaScript, and cloud infrastructure security. Able to explain …

Stripe, ISO 27001, Ruby, Rails, React, CI/CD

Engineering Manager 🇪🇺

Germany (remote), Germany

Remote Full-time Senior

6+ YOE

Stripe, Ruby, Rails, React, Agile

(Senior) Full Stack Software Developer (Ruby on Rails / React Native)

Frankfurt am Main, Hessen

Remote Full-time Senior

5+ YOE So arbeiten wir Agiles Scrum mit klaren Zeremonien und pragmatischem Fokus auf Wertlieferung Pull Requests und strukturierte Code Reviews als Standard Pairing, wenn es hilft (Onboarding, komplexe Änderungen, knifflige Bugs) …

Scrum, Ruby, Rails, React, React Native, Android

Full Stack Developer (RoR / React Native) (m/w/d)

Frankfurt am Main, Hessen

Hybrid Full-time

Erfahrung mit Ruby on Rails React Native (plus React von Vorteil) Know-how in Testing & Deployment Sehr gutes Deutsch & Englisch So arbeiten wir Pragmatiche, strukturierte Arbeitsweise Code Reviews & Pairing Offene Kommunikation …

Ruby, Rails, React, React Native, Android, PostgreSQL

Softwareentwickler Ruby on Rails (m/w/d) - 100% remote

Bremen

Remote Full-timePart-time

Open to junior, mid-level and senior candidates. Degree in computer science or a related STEM field. Practical web development experience; Ruby on Rails preferred, or comparable frameworks. Basic knowledge of algorithms and data …

Ruby, Rails, Vue.js, Django, Laravel, Spring

Teamleiter Softwareentwicklung Ruby on Rails (m/w/d) - 100% remote

Sachsenhagen, Niedersachsen

Remote Full-timePart-time Lead

Multi-year software development experience with strong Ruby on Rails skills, Vue.js experience a plus, prior team leadership, PostgreSQL experience, Kubernetes and DevOps knowledge a plus, and German at C1 level.

Ruby, Rails, Vue.js, CI/CD, PostgreSQL, Kubernetes

Head of Product & Engineering (m/w/d) - 100 % Remote

Thüringen, Thüringen

Remote Full-time Lead

Ruby, Rails, Vue.js, Scrum, Kanban, CI/CD

Softwareentwickler Ruby on Rails (m/w/d) - 100% remote

Thüringen, Thüringen

Remote Full-timePart-time

Ruby, Rails, Vue.js, Django, Laravel, Spring

Teamleiter Softwareentwicklung Ruby on Rails (m/w/d) - 100% remote

Thüringen, Thüringen

Remote Full-timePart-time Lead

Ruby, Rails, Vue.js, CI/CD, PostgreSQL, Kubernetes

Softwareentwickler:in Ruby on Rails - 100% remote

Jena, Thüringen

Remote Full-timePart-time

Ruby, Rails, Vue.js, Django, Laravel, Spring

Teamleiter:in Softwareentwicklung Ruby on Rails - 100% remote

Jena, Thüringen

Remote Full-timePart-time Lead

Ruby, Rails, Vue.js, CI/CD, PostgreSQL, Kubernetes

Softwaretester mit Schwerpunkt Softwareentwicklung (m/w/d)

Kölleda, Thüringen

Full-time

Ruby, Rails, Linux, Git, Angular, ISTQB

Senior DevOps / Cloud Engineer (m/w/d)

München, Bayern

Remote Full-time Senior

5+ YOE Sehr gute Deutsch und Englisch Kentnisse Den Wunsch, Verantwortung für eine Infrastruktur zu übernehmen und sie langfristig weiterzuentwickeln. Mindestens 5 Jahre Erfahrung mit Cloud-Infrastruktur im Produktivbetrieb, …

Infrastructure as Code, CI/CD, Google Cloud, AWS, Azure, PostgreSQL

Principal Machine Learning Engineer - Applied AI & LLMs (x/f/m)

Berlin

Hybrid Full-time Lead Relocation support

10+ YOE 10+ years in ML/AI, with 3+ years at Staff+ or Principal level. Deep expertise in two of clinical NLP, LLM fine-tuning/evaluation, ASR, RAG, or RL. Expert in Python, PyTorch/Transformers, vLLM, and AWS/GCP production deployment. …

NLP, LLM, RAG, Python, PyTorch, AWS

Staff Site Reliability Engineer (x/f/m)

Berlin

Hybrid Full-time Lead Relocation support

8+ YOE Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. You'll be a great fit if you: Have extensive experience (8+ …

SRE, AWS, Google Cloud, Azure, Kubernetes, Go

Senior Site Reliability Engineer (x/f/m)

Berlin

Hybrid Full-time Senior Relocation support

Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. You'll be a great fit if you: Have solid hands-on experience …

SRE, AWS, Google Cloud, Azure, Kubernetes, Infrastructure as Code

Software Engineer Intern - Fullstack (x/f/m) - Berlin - March 2027

Berlin

Hybrid Internship Junior

Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. You'll be a great fit if you: You love problem-solving and are …

Rails, TypeScript, Java, Python, Kotlin, Swift

Senior Software Engineer - Node.js/TypeScript (x/f/m)

Berlin

Hybrid Full-time Senior Relocation support

5+ YOE Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. You'll be a great fit if you: Have 5+ years of backend …

Node.js, Python, LLM, Kubernetes, AWS, Azure

Engineering Manager (x/f/m)

Berlin

Hybrid Full-time Senior Relocation support

6+ YOE Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. You'll be a great fit if you: Have at least 6 years of software …

Ruby, Rails, TypeScript, Kotlin, PostgreSQL, Redis

Engineering Manager - Site Reliability & Observability (x/f/m)

Berlin

Hybrid Full-time Senior Relocation support

5+ YOE Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. You'll be a great fit if you: Have at least 5+ years of software …

SRE, AWS, Google Cloud, Kubernetes, OpenTelemetry, Prometheus

Senior Software Engineer FullStack Kotlin / React - Berlin (f/m/d)

Berlin

Hybrid Full-time Senior

6+ YOE Are you convinced that you have exactly what it takes for the position? Then we encourage you to apply. Even if you don't meet every requirement, you might be exactly the right future Doctoliber for this or other positions! …

Kotlin, React, CI/CD, Agile, TypeScript, Rails

Senior AI Engineer (x/f/m) - Phone Assistant

Berlin

Hybrid Full-time Senior

6+ YOE Are you convinced that you have exactly what it takes for the position? Then we encourage you to apply. Even if you don't meet every requirement, you might be exactly the right future Doctoliber for this or other positions! …

Python, CI/CD, Agile, NLP, LLM, Rails

Engineering Manager - Observability & Reliability Engineering Obsession (x/f/m)

Berlin

Hybrid Full-time Senior

5+ YOE Before you read on — if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. You have at least 5+ years of software engineering or SRE …

SRE, AWS, Google Cloud, Kubernetes, OpenTelemetry, Elasticsearch

Senior Software Engineer Ruby on Rails 100 % remote (m/w/d)

Berlin

Remote Full-time Senior

Wir erwarten nicht, dass du unseren Tech-Stack bereits vollständig beherrschst. Wichtiger ist uns: Du hast tiefes Wissen in der Webentwicklung, meisterst deinen aktuellen Stack und bringst die Motivation sowie die schnelle …

Ruby, Rails, TypeScript, React, MySQL, Elasticsearch

System Engineer | Schwerpunkt Cloud (m/w/d)

Nürnberg, Bayern

Full-time

- Ein abgeschlossenes Informatikstudium oder eine vergleichbare IT-Ausbildung - Sehr gute Linux-Kenntnisse und Netzwerk-Kenntnisse sowie Erfahrung im Betrieb von Open Source Lösungen - Gute Kenntnisse in der Anwendung und dem …

Linux, Kubernetes, Puppet, Ansible, Terraform, Ruby

Security Engineer (m/w/d)

Garching bei München, Bayern

Hybrid Full-time

- Studium, Ausbildung oder vergleichbare praktische Erfahrung in Informatik und IT-Sicherheit - Fundierte praktische Erfahrung in Application Security, Penetration Testing oder Security Research, einschließlich der eigenständigen …

Penetration Testing, Linux, REST, OWASP, GitLab CI, GitLab

Backend Entwickler - Ruby on Rails (m/w/d)

Dresden, Sachsen

Hybrid Full-timePart-time Mid

2+ YOE

Ruby, Rails, REST, SQL, PostgreSQL, Python

Software Engineer – Mission Control Software

München, Bayern

Full-time Visa sponsorship Relocation support

Python, Ruby, Rails, JavaScript, React, Vue.js

Anwendungsentwickler (m/w/d)

Saarbrücken, Saarland

Full-time

- Mehrjährige Erfahrung in der Webentwicklung mit mindestens einem etablierten Web-Framework (z. B. Laravel, Symfony, Ruby on Rails oder Django) und ein gutes Verständnis von Softwarearchitektur Datenmodellierung und Sicherheit - …

Laravel, Symfony, Ruby, Rails, Django, PHP

Sr. Backend Software Engineer (Python) (m/w/x)

Berlin

Full-time Senior

5+ YOE 5+ years of backend engineering, with Python in production as your main language, with comfort working 90% on the backend and 10% on the frontend. Hands-on experience with event-driven systems (Kafka or similar) and PostgreSQL. …

Python, Apache Kafka, PostgreSQL, REST, GraphQL, AWS

Senior Forward-Deployed Engineer — Applied AI (all genders)

München, Bayern

Hybrid Full-time Senior

5+ YOE We are looking for the unusual combination of strong software builder + strong customer instinct. Roughly 5+ years building software professionally, or equivalent depth. You can independently take something from an ambiguous …

LLM, Ruby, Rails, React, TypeScript, PostgreSQL

Staff Software Engineer — Agentic Development (all genders)

München, Bayern

Hybrid Full-time Lead

7+ YOE We are looking for a very strong software engineer who has independently gone deep on coding agents. Roughly 7+ years as a software engineer, or equivalent evidence that you operate at Staff level. You have spent years writing, …

CI/CD, Ruby, Rails, React, TypeScript, PostgreSQL

Staff Software Engineer — AI Platform (all genders)

München, Bayern

Hybrid Full-time Lead

7+ YOE We are looking for an experienced software engineer who has gone deep on AI, not someone trying to become an engineer through AI. Roughly 7+ years of professional software engineering experience, or equivalent depth. You have …

LLM, Ruby, Rails, React, TypeScript, PostgreSQL

Senior Product Engineer (all genders)

München, Bayern

Hybrid Full-time Senior

Strong full-stack engineering skills (Ruby on Rails or Node.js, plus JavaScript and React) Proven ability to deliver features end-to-end with high ownership Pragmatic mindset with a strong balance of speed and quality Experience …

Ruby, Rails, Node.js, JavaScript, React

Senior Software Engineer (all identities) - Healthcare Integrations

Berlin

Remote Full-time Senior Relocation support

Substantial hands-on experience delivering FHIR integrations used in production, including personal responsibility for implementation and troubleshooting after launch Practical knowledge of FHIR resources, profiles, …

Ruby, Rails, AWS, SQL, PostgreSQL, REST

IT-Architekt/-in / Softwareentwickler/-in IKT-Fachanwendungen (m/w/d)

Hannover, Niedersachsen

Full-timePart-time Senior

Microservices, Docker, Kubernetes, OpenShift, PHP, Java

Ruby on Rails Developer - Backend (m/w/d)

Emsdetten, Nordrhein-Westfalen

Hybrid Full-time

- Erfahrung mit Ruby on Rails - MySQL-Datenbanken - Konzeption & Erstellung von (RESTful-)APIs - Docker (optional) **Was Du von uns erwarten kannst:** sehr angenehmes Arbeitsklima dynamisches und engagiertes Team spannende und …

Ruby, Rails, MySQL, REST, Docker, TDD

Senior Fullstack Engineer - DevOps & Infrastructure (all genders)

Hamburg

Hybrid Full-time Senior

Mehrjährige Erfahrung darin, Web-Produkte ganzheitlich zu entwickeln und erfolgreich in Produktion zu bringen Tiefgehende praktische Erfahrung mit Ruby on Rails und der Entwicklung, Skalierung und Wartung von Anwendungen über den …

Ruby, Rails, Infrastructure as Code, AWS, CI/CD

Erfahrener Software Engineer / ML Engineer (m/w/x) im Bildungsumfeld / Remote

Heidelberg, Baden-Württemberg

Remote Full-time Senior

5+ YOE Beruflicher Hintergrund: Du hast mindestens 5 Jahre Berufserfahrung in der Softwareentwicklung, idealerweise mit mehreren produktiv eingesetzten Anwendungen oder Plattformen. Wünschenswert wäre Erfahrung mit LLM-basierten …

LLM, Python, Ruby, Rails, Django, FastAPI

Linux-/Infrastructure-Systemadministrator (m/w/d)

München, Bayern

Hybrid Full-time

- Docker und containerisierte Anwendungen - Ruby-on-Rails-/Web-Infrastruktur - MariaDB/MySQL, Postgres und Redis - Erfahrung mit hochverfügbaren oder medizinischen/anderweitig sensiblen IT-Systemen - Kenntnisse rund um ISO 27001, …

Docker, Ruby, Rails, MariaDB, PostgreSQL, Redis

Senior Entwickler (Ruby-on-Rails)

München, Bayern

Full-time Senior

- Mehrjährige Berufserfahrung - Tiefgehende Kenntnisse in der Entwicklung mit Ruby-On-Rails - Eigenverantwortliche und systematische Arbeitsweise - Erfahrung mit OAuth2/OpenID Connect - Erfahrung mit Docker und anderen modernen …

Ruby, Rails, OAuth, Docker

Software Entwickler (m/w/d) – Full-Stack, Web & Mobile

Hamburg

Hybrid Full-time Senior

8+ YOE

Ruby, Rails, PostgreSQL, Redis, Tailwind CSS, CSS

Senior Frontend Engineer (m/w/d)

Damp, Schleswig-Holstein

Hybrid Full-time Senior

3+ YOE - 3+ Jahre Erfahrung in der Softwareentwicklung - Gutes Verständnis von REST-APIs und du schreibst sauberen, getesteten Code - Erfahrung mit React (Native) oder einem ähnlichen JavaScript-Framework, idealerweise auch mit nativem …

REST, React, JavaScript, iOS, React Native, Rails

Senior Ruby (on Rails) Engineer Trust & Safety (f/m/d)

Berlin

On-site Full-time Senior

A security-first mindset: you threat-model by instinct, probe how features can be abused, and stay current on attack vectors against social networks Solid Ruby on Rails experience in production. Strong SQL and a real …

Ruby, Rails, SQL, AWS

Senior Ruby on Rails Engineer (m/w/d)

München, Bayern

Remote Full-time Senior

5+ YOE Mindestens 5 Jahre produktive Rails-Erfahrung an einer Anwendung, die du über längere Zeit betreut hast — nicht nur aufgesetzt. Affinität zu Domain Driven Design. Du erkennst, wann ein Modell zu viel weiß, wann eine Abstraktion …

Rails, PostgreSQL, React, Vue.js, Redis, CI/CD