16 backend developer English-speaking jobs in Cologne

scalability and long-term maintainabilityCollaborationWork closely with product managers, designers, and backend ... You'll be expected to bring strong opinions on architecture, performance, and developer experience, helping ... About the Role: As a Senior Android Developer (m/f/d), you will take full ownership of our Android application

What you'll do: Design, build, and operate production-grade backend services, APIs, and integrations, ... share knowledge, and mentor engineers around youYou'll be great for this role if you: Bring a strong backend

Your Role As (Senior) Backend Engineer - Core Team (all genders) you will be part of an engineering squad ... Your ProfileYou have +3 years of relevant experience in web application development with a focus on backend

experiences with React and scalable backend capabilities with Java. ... engineering with Staff-level influence, you'll shape how our checkout capabilities evolve across web, backend ... engineering teams and connected domains, designing scalable distributed solutions across frontend and backend ... and you're comfortable taking production ownership across customer-facing frontend applications and backend ... Build the next generation of Transaction: Remain hands-on across frontend and backend, shaping customer-facing

(tracking, registry, deployment workflows)Strong Python skills for AI development, automation, and backend ... performance, and incident responseEngineering & AutomationUse Python for automation, AI integration, backend

Senior iOS Developer to shape the mobile platform's architectural foundation using Swift and SwiftUI. Drive modularization, define technical standards, and improve CI/CD and testing strategies for scalable solutions.

You have strong expertise in backend engineering, distributed systems, and cloud-native architecture, ... Hands-on Full-Stack Engineering: Design and build high-performance backend services, APIs, and frontend

How You Make an ImpactYou are part of a cross-functional department and team (backend, frontend, DevOps ... of technology and best practicesYou are part of the conceptualizing and developing of professional backend

You'll collaborate closely with Product Managers, Designers, Backend Engineers, Data Scientists, and ... Collaborate with backend, data, product, and ad server teams on APIs, tracking contracts, campaign metadata

You'll collaborate closely with Product Managers, Designers, Backend Engineers, Data Scientists, and

Collaborate closely with Data Analysts, ML Engineers, DevOps Engineers, Backend Developers, Product Managers

You'll work across the stack, from backend services to customer-facing interfaces, with a strong focus

or you are highly accomplished with other modern frontend frameworksYou have a solid background in backend

integrations, and internal platform tooling using Python to improve reliability, repeatability, and developer

management and change management capabilitiesAbility to write and review production-grade frontend/backend

scalable identity platforms and designing Zero Trust and Least Privilege architectures while balancing developer