Backend Developer Jobs in North Rhine-Westphalia, Germany

Backend Developer im Digital Business Team von Flender in Voerde & Bocholt AF. Verantwortlich für die Weiterentwicklung der IIOT-Plattform zur Zustandsüberwachung und Schadensvorhersage von Getriebeprodukten. Analyse, Design und Implementierung von Java-basiertem Backend unter Einsatz von Spring, Spring Data, Spring Boot, Hibernate, REST, Maven.

Lime Connect's platform team builds an AI-powered customer communication platform that enables intelligent automation and real-time messaging. As a Backend Developer you will design, develop, and maintain the Django-based backend, implement new AI-driven features, and ensure seamless integration with the mobile app and APIs.

Backend Developer (m/w/d) at Dedalus HealthCare GmbH. Join our team to design and implement modern backend applications within the Krankenhausinformationssystem ORBIS.

Backend Developer (AI focused) at Stimmt. Build and optimize web applications using Magento, Shopify, Craft CMS, and Laravel.

Backend Engineering at Bjak builds the core systems behind the AI Neobank app, enabling reliable APIs, workflows and financial product infrastructure at scale. The role designs and maintains backend services for onboarding, payments, cards, transfers, KYC and risk, collaborating with product, frontend, mobile and AI teams to launch features quickly and safely.

Extensions team builds and scales backend systems that power advanced AI-driven capabilities for enterprise applications. The role designs reliable, high‑performance workflows, collaborates with data scientists, and ensures observability and resilience of distributed services.

Prograd fintech team builds scalable backend systems empowering financial education. The role designs and implements high‑performance Node.js services, GraphQL/REST APIs, and AWS cloud infrastructure while ensuring database reliability and event‑driven scalability.

Backend Engineering team builds a high‑scale, real‑time digital platform serving millions of daily users. The Backend Engineer designs and implements robust microservices, optimizes performance, and ensures 24/7 system reliability while collaborating with product, engineering, and operations.

GEA Group, a global leader in industrial separation technology, seeks a Backend Developer to join its Smart Services team in Oelde, Germany. The role focuses on building secure, cloud‑native microservices using Python (FastAPI) on Microsoft Azure.

Dedalus HealthCare GmbH’s Backend team builds modern applications for the ORBIS hospital information system. The role designs and implements reusable backend components, defines new product features, and collaborates with local and international product teams.

Backend Engineering Team at Ströer SE & Co. KGaA builds the next-generation master data system for outdoor advertising. The role focuses on designing high-performance Python/Django services, integrating ERP data, and applying LLM-based generative AI for innovative solutions.

Backend Engineering Team at Emma Sleep builds the backbone of our global e‑commerce and SleepTech platform. The role designs, implements, and maintains high‑performance Go services, REST APIs, and event‑driven workflows on AWS, ensuring scalability and reliability for millions of users.

Dedalus HealthCare invites a Senior Backend Developer DevOps to join a purpose‑driven team focused on improving healthcare reliability. The role is based in Trier or fully remote within Germany and involves developing and maintaining DevOps components for heterogeneous solutions, enhancing CI/CD pipelines, and ensuring scalability of organizational processes.

Engineering team at bisure GmbH builds scalable backend services for the company's digital platform. The Senior Backend Developer designs, implements, and optimizes server-side applications, collaborates with cross-functional teams, and ensures high performance and reliability.

Engineering Squad at envelio drives the energy transition by building scalable backend services. The Senior Backend Engineer designs APIs, develops Python‑based solutions with FastAPI, SQLAlchemy and Celery, and ensures reliable operation on PostgreSQL, RabbitMQ and Redis while collaborating with cross‑functional teammates.

Core Team at envelio builds the GridHub, the core component powering all applications for the digital twin of electrical grids. The Senior Backend Engineer designs interfaces, develops cross‑application workflows, and enhances system architecture to ensure data integrity and scalability.

Consumer Mission at SumUp builds a rewarding banking experience connecting merchants and consumers, tackling high‑availability fintech challenges. The Senior Backend Engineer will design, develop, and maintain Go‑based backend services for core neobanking features, own critical infrastructure migrations, and collaborate with product, design, data science, security, and operations teams.

Paymenttools transforms European merchant payment landscape. With 4.4B visitors annually across 15k REWE Group markets and travel agencies in 21 countries, we aim to make payments seamless and invisible, linking Value Added Services with reliable identity services.