junior full stack engineer

Über diesen Job CHECK24 ist das Vergleichsportal: Wir sind Marktführer und dynamisches Startup in einem. In agilen Teams treffen wir schnelle Entscheidungen und leben flache Hierarchien. Durch den gezielten Einsatz modernster Tools und Technologien sowie State-of-the-Art-Methoden der KI treiben wir datengetriebene Innovationen voran – immer mit Blick...

Deine MissionEntwicklung moderner Weblösungen: Du entwickelst mit Python (FastAPI, SQLAlchemy) und React performante Anwendungen zur Datenerfassung, -verarbeitung und -darstellung. Deine Lösungen verbinden robuste Backend-Logik mit intuitivem Frontend.Schnittstelle zwischen Frontend und Backend: Du gestaltest APIs, modellierst Daten und entwickelst...

About GlassFlow: GlassFlow is the data infrastructure for AI agents in production. It has two products: GlassFlow Tares, which feeds agents correlated data from every system they touch, and GlassFlow Rius, which traces and debugs what agents do once they're running. We’re a Berlin startup with a Silicon Valley mentality, backed with $5.9m from Upfront...

h2strongAbout the role /strong /h2 pAs a Fullstack Engineer (f/m/d) you'll play a key role in shaping and building our product at Zenjob. Working across the full stack, including event-driven backend services and polished user-facing interfaces, you'll collaborate closely with product managers and stakeholders, set engineering standards, and mentor others...

Mercura (YC W25) helps the companies that build the real world move at software speed, automating the back-office work that runs the $12 trillion industry behind every hospital, school, and power plant. We started with one of their biggest bottlenecks - turning messy technical requests into accurate quotes - and eightfolded our revenue in 12 months. With a...

Around 3 years or more of professional full stack development experience .Hands-on production experience with React, TypeScript , and Tailwind CSS. This is the core of the role .Backend experience in Python, or the clear ability to pick it up quickly .Respect for UI and UX ( user interface and user experience ) work . You do not need to be a designer , but...

Helios & Eos ist unser KI-Engineering-Studio aus Oldenburg — bewusst klein, technisch tief, agent-augmented. Aktuell sind wir zu dritt und bauen das Studio zum spezialisierten Partner für agentenbasierte KI-Adoption aus. Unsere Kunden und Projekte sind vielfältig - von der Webappentwicklung für den globalen Asset-Manager, über das Training von 230+...

What we’re looking forAround 3 years or more of professional full stack development experience.Hands-on production experience with React, TypeScript, and Tailwind CSS. This is the core of the role.Backend experience in Python, or the clear ability to pick it up quickly.Respect for UI and UX (user interface and user experience) work. You do not need to be a...

We are looking for an experienced Full Stack Engineer to play a key role in the development and evolution of our web applications. In this role, you will work across the full stack, contribute to architectural decisions, and help ensure high code quality and long-term maintainability of our platforms. You will collaborate closely with a nearshore development...

About ElevenLabs ElevenLabs is an AI research and product company transforming how we interact with technology. We launched in January 2023 with the first human‑like AI voice model. Today, we serve millions of users and thousands of businesses - from fast‑growing startups to large enterprises like Deutsche Telekom and Meta. Our investors are some of the...

We're building the world's fastest way to design real, functional 3D parts. Kyrall's AI-powered design agent turns ideas into ready-to-manufacture 3D models in seconds.Backed by top European VCs, we're a young, well-funded startup based in Munich and we're just getting started. The Role As a Full-Stack Engineer, you'll own product features end-to-end across...

Your missionRemote (CET)About UsAt Graswald AI, we’re building the AI operating system for fashion brands and retailers, starting with AI image and content generation. Our engineering team tackles rapid scaling challenges, GPU-intensive workloads, and enterprise-grade infrastructure to deliver fast, pixel-perfect results for global brands. In the past year...

IntroFor this position we are only looking for candidates located in Greece, Germany or Austria.Nairon GmbH is a Swiss startup building AI voice agents that answer and make phone calls for businesses. Our platform runs real-time conversations over the phone and on the web, connected to our customers' telephony and business tools. We value clear...

The problem The construction industry loses $1.6 trillion a year to inefficiency, and most of it is avoidable. The knowledge that would prevent it already exists. It's just trapped in PDFs, meeting protocols, and email threads nobody can search. Every new project relearns what the last one already knew. We're building the opposite of that: software for the...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior+ Full-Stack Engineer based in Germany. As a Senior+ Full-Stack Engineer, you will build and evolve a developer infrastructure platform that enables AI applications and agents to connect seamlessly with external APIs and...

The Role Work directly with the founding team to build and ship AI-powered products that handle real logistics operations autonomously. You'll work across the full stack, from multi-channel integrations and backend services to front-end interfaces, while pushing our AI capabilities forward. What You Do Build end-to-end features across our Python backend...

Design, develop, and maintain scalable web applications using modern frontend and backend frameworks.Implement micro-frontend architectures and integrate with distributed backend services.Build and consume RESTful APIs; ensure robust automated testing across the stack.Contribute to CI/CD pipelines and cloud-native deployments.Participate in code reviews,...

At Fabrikatör, we’re building the next generation of operational intelligence for commerce brands. E-commerce teams still run their operations with spreadsheets, gut feeling, and disconnected tools. Forecasts break, stock runs out, money gets locked in inventory, and teams spend their days firefighting instead of building. We’re fixing this. Today,...

Wormhole Labs is a pioneering blockchain technology company building decentralized systems for a freer and fairer global economy. We're reshaping financial infrastructure across the entire crypto stack, from core protocol development to trading systems and user-facing applications.At our core, we're technology innovators bridging traditional finance with the...

About the jobHiring multiple Full-stack Software EngineersWe're building AI agent systems that automate complex multi-step workflows.Ship production code fast, own projects end-to-end.Looking for 5+ years experience (or