33 frontend developer English-speaking jobs in Cologne

Role: Freelance Senior JavaScript Developer Location: 100% Remote - Germany preffered Contract Type: ... process: 2 Stage (Including live technical assessment) We’re looking for an experienced Senior JavaScript Developer ... In this role, you’ll be responsible for delivering secure, scalable frontend experiences, developing ... Comfortable with request lifecycles, status code handling, and tools like AbortController Advanced Frontend ... leading end-to-end development of complex web applications Strong understanding of API integration and frontend

a better idea, here's a snapshot of technologies we currently use or have worked with recently: Frontend ... key member of our development team, you will: Design, develop, and deploy scalable solutions across frontend ... Full Stack Developer (m/f/d) - Cologne/Düsseldorf About Us We at Atlantic Ventures are driven by the ... Role Overview We're looking for a Full Stack Developer (m/f/d) to join our development team in Köln ... Technical Stack We're seeking a talented Full-Stack Developer with a strong foundational knowledge

with solid backend (PHP, Java, or C#) and frontend (JavaScript + Vue.js or React) skills A strong understanding ... full stack developer to join one of our cross-functional product teams. ... Senior Full Stack Developer | Fintech Platform | Remote or Düsseldorf We're looking for an experienced ... working remotely the rest of the time What we’re looking for: Professional experience as a full stack developer

Senior PHP Developer / €85.000 / #TechforGood / 100% remote in Germany *APPLICANTS MUST BE BASED IN GERMANY ... of Symfony or similar frameworks Good understanding of SQL performance & data modelling Hands-on frontend

Are you a passionate Fullstack .NET Developer looking to work on cutting-edge projects that make an impact ... Your tasks as a Fullstack .NET Developer: Develop and maintain web applications using C# and .NET Core ... cutting edge ERP systems for their clients in a variety of markets is now searching for Fullstack .NET Developer

At Lime Technologies, we’re redefining how companies connect with their customers. Our mission is to deliver smarter, more human communication experiences through cutting-edge AI and messaging technology. As part of our team in Germany, you’ll help build solutions that empower businesses to create meaningful, scalable interactions across modern customer communication channels.

in full-stack development with JavaScript/TypeScript Proficiency in React, Node.js, CSS, and modern frontend ... maintain a scalable full-stack architecture using React, Node.js, and TypeScript Develop user-friendly frontend

Drive the development of our frontend applications built with ReactJS. ... , build, and scale our cloud-based solution, working across the entire stack—from infrastructure to frontend

Strong expertise in backend services, APIs & cloud platforms (Google Cloud preferred) Knowledge of frontend

Software Engineer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Developer

Application Security Architect & Developer (Remote in Germany) A software security company with a global ... team is looking for an experienced Application Security Architect & Developer to join their team. ... If so, we have an exciting opportunity for you: As an Application Security Architect & Developer, you

What You Bring: 5+ years of backend experience (Kotlin/Java). 3+ years of frontend experience.

, FinFet) An understanding of Serializer/Deserializer design and related functionality (PLL, analog frontend

Graduate Software Developer - STEM / Physics / Mathematics We are recruiting graduate software developers ... Key Requirements for this Software Developer position: At minimum an MSc in Computer Science, Mathematics ... DevOps / Cloud / STEM / Computer Science / Physics / Mathematics If you are interested in this Software Developer

Background in building or scaling developer tools or automation systems. ... Bonus Points Experience in LLM research, developer agents, or AI evaluation projects. ... Work with high-impact open-source projects and evaluate how LLMs perform on real bugs, issues, and developer

Position: Freelance Java Developer Contract Length: 4-6 months initially (extensions possible) Location ... Role Overview We are seeking an experienced Java Developer to join our agile development team.

We're looking for a Senior Backend Engineer to help us integrate a new payment system into our platform—powering seamless, secure transactions for users around the globe. About the Role As part of our engineering team, you’ll lead the backend development efforts for integrating a modern payment solution.

We at Muli Technologies GmbH are looking for you (all genders) for React Development Full-time or part-time (starting from 25 hours/week) Muli Technologies develops its own comprehensive software solution: MULI – designed for delivery services, organic box businesses, farms and direct marketers.

We’re inviting a Senior Game Developer to join the co-founders of the company.

About the role: As a Fullstack ABAP Cloud Developer at Serrala, you will help design and build innovative