31 backend developer English-speaking jobs in Cologne

scalability and long-term maintainability Collaboration Work closely with product managers, designers, and backend ... Senior Android Developer (m/f/d) About Redcare Pharmacy: As Europe’s No.1 e-pharmacy, Redcare Pharmacy ... 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

the foundation of the Flutter mobile application, defining robust architecture patterns, optimizing developer ... ongoing professional growth. * Engage in cross-departmental collaboration with product, design, and backend

Senior Salesforce Developer role within a successful German Fintech company. This position involves working on exciting projects to simplify processes and products. Candidates should be passionate about agile work.

Backend & Scale: Help design robust APIs and data pipelines in our backend stack (we mainly use Java ... When a critical system goes down, our platform is the "source of truth" — from the resilient backend ... Tasks Ship End-to-End Features: Build user-facing features with React and TypeScript, the backend APIs ... Whether you lean frontend, backend, or full-stack, you'll ship production code that powers a mission-critical ... Hands-on experience with at least one part of our stack — React/TypeScript on the frontend and/or a backend

We sit at the intersection of data, backend engineering, and sales operations, building the infrastructure ... full accountability for what gets shipped   You’ll be great for this role if you: Bring a strong backend

Senior iOS Developer, AdTech (m/f/d) About Redcare Pharmacy: As Europe’s No.1 e-pharmacy, Redcare Pharmacy ... You'll collaborate closely with Product Managers, Designers, Backend Engineers, Data Scientists, and

You work within a cross-functional engineering squad to evolve backend, frontend, and data workflows ... solutions to evolve the product in an agile settingCollaborate with cross-functional squads (backend ... VerantwortungsbereicheDesign and implement electrical engineering workflows and mathematical solversDevelop backend

Design and optimize radiating elements for multi-band base station antennas from concept to mass production. This role involves 3D EM simulation, RF measurement validation, and collaboration with global teams to improve performance and cost-efficiency.

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

Must-have Strong software engineering skills, especially in Python or a comparable backend language ... sense for quality, speed, cost, or control Debug AI feature failures across inputs, outputs, data, backend ... Remote work Fair compensation based on skills, experience, and location Ownership of important backend ... tests, and quality checks for AI-generated outputs Integrate AI capabilities into existing product and backend

Your Profile You have +3 years of relevant experience in web application development with a focus on backend

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

designing and building backend services, platforms and large-scale distributed systems. ... Qualifications About you: You bring strong Java and backend engineering expertise and have experience

Senior iOS Developer (m/f/d) About Redcare Pharmacy: As Europe’s No.1 e-pharmacy, Redcare Pharmacy

steps • Map various data sources • Integrate new data sources with our system administrators and backend

We are currently seeking an Salesforce Service Cloud developer to join one of our clients' teams.

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

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

. • Strong backend engineering background in distributed systems — microservices, async processing, resilient

Influence Without Authority: Proven ability to guide cross-functional developer teams and gain trust