23 frontend developer English-speaking jobs in Cologne

developer (React, TypeScript, CSS and HTML), ideally featuring data-intensive applications and advanced ... and realize frontend features and UI/UX workflows in close collaboration with product management. ... Together with the Product Team, you will: Develop our frontend web application, e.g. creating analysis ... What you will do As part of our Product Team, you will drive the frontend development of our ONIQ software ... Participate in knowledge transfer across the team What we expect from you Experience working as a frontend

You will play an active role in our developer community, participating in tech decisions and influencing ... Senior Frontend Engineer (m/f/d) About Redcare Pharmacy: As Europe’s No.1 e-pharmacy, Redcare Pharmacy ... About the role: As a Senior Frontend Engineer (m/f/d), you'll be a key player in a cross-functional team

Scale the Design System: Evolve our design system, ensuring it maps cleanly to our frontend stack Data ... If you admire the functional elegance of Linear, the data-depth of Datadog, and the developer-centricity ... Experienced: 3+ years in Product Design, with a portfolio demonstrating complex B2B SaaS or Developer

You enjoy working across the frontend/backend boundary, with solid experience integrating frontend applications ... Senior Frontend Engineer, Retail Media / AdTech Solutions (m/f/d) About Redcare Pharmacy: As Europe’s ... About the role: As Senior Frontend Engineer, Retail Media / AdTech Solutions, you will be shaping and ... About your tasks: Shape the future of our Retail Media platform by building modern frontend experiences ... You thrive in fast-growing product environments, take ownership beyond strict frontend responsibilities

Frontend & Craft: Contribute to our modular component library and help keep the UI fast, accessible, ... " — from the resilient backend that processes thousands of events per second to the fast, intuitive frontend ... Whether you lean frontend, backend, or full-stack, you'll ship production code that powers a mission-critical ... 🧭 Pick Your Path: Explore frontend, backend, or full-stack — and find what you love before you graduate ... Coding Foundation: Hands-on experience with at least one part of our stack — React/TypeScript on the frontend

You may bring your strongest expertise from either frontend or backend engineering – or both – while ... the team’s current and upcoming work has a strong frontend focus, giving you the opportunity to influence ... About you: You bring deep software engineering expertise, with a strong background in frontend or backend ... technical design through implementation, rollout and production, with a strong current focus on our frontend ... architectural and technical challenges, while being open to working in a domain with a strong current frontend

Build and evolve scalable microservices and APIs using Java (Spring Boot) Develop high-quality frontend ... enterprise applications (key part of this role) Design and implement end-to-end features across backend and frontend ... expertise in Java and Spring / Spring Boot; Experience building microservices and REST APIs at scale; Solid frontend

What you'll do Build and maintain frontend features across payment links, gift cards, and online checkout ... You'll join a small, cross-functional team and take on genuine ownership of the frontend - not just executing

As a Software Developer, you will design, develop, test, maintain and operate high-quality software solutions

Deep experience building scalable microservices and frontend applications in cloud-native environments ... Frontend Development: Build and maintain React applications using Next.js (Pages Router) and Material-UI

Champion developer experience by building intuitive tooling, documentation, and self-service workflows ... and test engineers to integrate new components smoothly, resolve build and linking issues, and keep developer ... performance through caching strategies, parallelization, dependency analysis, and tooling that minimizes developer

Full-Stack Confidence: You’re comfortable working on both frontend and backend projects, taking ownership

high-trust startup environment Clear written and spoken English Nice-to-have Experience with frontend

We're a small, high-impact team that sits at the intersection of infrastructure, developer experience ... the consistency, scalability, and long-term health of SumUp's iOS app Contribute to CI/CD systems and developer ... Are experienced with or genuinely excited about CI/CD pipelines (e.g., GitHub Actions, Fastlane) and developer

high-trust startup environment Clear written and spoken English Nice-to-have Experience with frontend

Job Description About your tasks: Drive modularization and continuously evolve a scalable iOS architecture. Define, implement, and refine technical standards and architectural guidelines. Build reusable mobile components for Retail Media experiences, including Sponsored Products, Sponsored Brands, product recommendations, banners. Improve CI/CD reliability, build performance, and release processes.

Source: Write, maintain, and enhance open-source projects like Sidebase and actively engage with the developer

here affects all of them Enable the L1 network and be their technical point of contact: write the developer ... artefacts (tools, skills, agents, integrations) each shipped with a user guide for AI Champions and a developer

high-trust startup environment Clear written and spoken English Nice-to-have Experience with frontend

platform understanding, working at the intersection of cloud, AI enablement, security, reliability, and developer