Jobs für full stack developer ruby on rails bei Berlin

Über naymspace: naymspace ist ein Softwareunternehmen, es wurde von einem Entwickler gegründet und wird von einem Entwickler geführt. Unsere Mission ist es, maßgeschneiderte Software zu entwickeln - gemeinsam mit unseren Kund:innen und in unserem hochqualifizierten, aktuell 22-köpfigen Team. Wir wählen Technologie und Arbeitsweise so, dass sie optimal...

ABOUT WORKATO Workato is the leading Control and Execution Platform for Enterprise AI — the neutral platform enterprises trust to put AI to work across their business. Workato unifies data, applications, and processes into a single platform so AI can reliably orchestrate business processes in production at enterprise scale. Built on more than a decade of...

About you: wealthAPI enables financial multipliers to monetize trust. We provide core financial solutions for large partners and (f)influencers, thereby actively driving the ongoing disruption of the wealth management market. We are looking for a Java engineer who is passionate about investing and finance. Optimally, you bring a good understanding of...

About the RoleThis is a player-coach Head of Engineering role at an early-stage B2B SaaS company in the construction technology and AI space. You will work directly with the founding team to own the full engineering roadmap and technical direction, while remaining hands-on alongside a team of five senior engineers. The role is central to scaling the platform...

Your ImpactWe are looking for a Senior Site Reliability Engineer to join the Core Reliability & Observability team in Platform Engineering.Your mission will be to shape Doctolib's observability strategy and ensure our platform remains reliable, debuggable, and scalable at a European scale. You will work in a feature team developing logging, metrics, tracing,...

Set a new pulse for healthcare!We are looking for an Engineering Manager to join the Scheduling team in Berlin.Your mission will be to give practitioners their day back:  reclaiming the admin time they spend creating and managing appointments, so care teams can focus on what matters. You will work in a feature team developing scheduling infrastructure and...

About us Join bonify, Germany’s leading platform for credit scoring and financial management. We are on the mission to revolutionize the FinTech industry and make the credit score and financial data available and transparent for our users. We are seeking a talented Senior Staff Engineer to join our dynamic team in Berlin. We're hiring a Senior Staff...

Your mission You will own the part of nebenan.de that neighbors actually see and touch. This is a frontend-focused role on a full-stack product team: your depth is in the browser and on mobile web, and you follow a feature all the way through the API and into production. You will work with React and TypeScript on the frontend. Ruby on Rails on the backend,...

What to ExpectAt Caspar Health, we don’t just build software—we deliver Combined Care. We bridge the gap between technology and medical expertise to help people regain their independence after illness or accidents. For us, digital innovation only works when paired with personal, human medical support.The Role: Lead. Build. Coach.We are looking for a...

About us Join bonify, Germany’s leading platform for credit scoring and financial management. We are on the mission to revolutionize the FinTech industry and make the credit score and financial data available and transparent for our users. We are seeking a talented Senior Staff Engineer to join our dynamic team in Berlin. We're hiring a Senior Staff...

At JetBrains, code is our passion. Ever since we started, back in 2000, we have been striving to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers and businesses to grow, discover, and create. IntelliJ IDEA revolutionized the Java development tool...

About Us Karla is transforming the post-purchase experience in e-commerce. Our platform helps online merchants turn delivery tracking into a revenue-generating channel while dramatically reducing customer anxiety and support costs. Founded in Berlin and backed by €3.4M in pre-seed funding, we're scaling rapidly across Europe. We integrate with 1000+...

Your missionYou will own the part of nebenan.de that neighbors actually see and touch. This is a frontend-focused role on a full-stack product team: your depth is in the browser and on mobile web, and you follow a feature all the way through the API and into production. You will work with React and TypeScript on the frontend. Ruby on Rails on the backend,...

About Spiele-Palast GmbHSpiele-Palast GmbH develops and operates successful online card games for browsers and mobile devices. Hundreds of thousands of active players use our platform every day to connect with others and enjoy card games together. Our goal is to build the leading platform for online card games worldwide.To achieve this, we continuously...

Sokra is building an AI-powered adaptive learning platform that's already being tested by 50+ schools across Germany. Major publishers are reaching out, and we're preparing our angel round. We're a team of 3 founders (EXIST-backed, HU Berlin) looking for our first engineer — not an employee, but a co-builder with real ownership. TASKS * Own and shape...

About the RoleThis is a full-stack AI engineering role on a small, technical product and engineering team building AI-powered tools for construction professionals. You will own features end-to-end, from database schema and LLM integration through to UI, while also contributing to the internal platform foundations that let new use cases ship quickly.What...

Req ID:509542  From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, more than 80,000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and...

As an Applied Scientist II in the Alexa Conversational Modelling Intelligence team within Alexa AI, you will drive model post-training for Large Language Models that power Alexa+. You'll adopt and adapt state-of-the-art techniques — including supervised fine-tuning, reinforcement learning, preference optimization, and knowledge distillation — running...

How do you teach millions of people to understand AI, not by lecturing, but by letting them build? That is the challenge we are solving on the PartyRock team in Berlin.We are looking for a Software Development Engineer to help us turn AI literacy into a hands-on experience. You will work on PartyRock (partyrock.aws), an AI-powered application builder that...

About usDistribusion is the world’s leading ground transportation marketplace and gives travellers seamless access to ground transportation online, from search to ticket purchase. We have built a cutting-edge B2B technology platform that connects bus, rail, and ferry operators in 70+ countries with the biggest online retailers, including Google Maps and...