Backend Developer Jobs in Baden-Wurttemberg, Germany

Global CoE Software Solutions team within Markets IT at Julius Baer builds mission-critical financial platforms. The Backend Developer designs, develops and maintains high‑performance services and APIs using C# or Java, containerizes applications with Kubernetes, and leverages Azure cloud services while ensuring security, scalability and compliance.

A1 is building a proactive AI smart assistant for everyday users, focusing on reliable long-running workflows and real-world task completion. The Backend Engineer, AI owns the inference and orchestration layer, building and operating production systems that turn model capability into fast, stable APIs used across mobile and desktop clients.

R&D Team at Outdooractive develops the technical foundation of the Outdooractive platform, ensuring performance, scalability and stability. The Backend Developer designs, implements and maintains Java EE web applications, conducts code reviews, automates tests and optimizes server infrastructure for API partners.

Frontify seeks a Backend Engineer for its Developer Experience team, focusing on building scalable, high‑impact APIs and tools that serve internal and external developers. The role involves designing and implementing RESTful and GraphQL endpoints, ensuring robust data structures, and maintaining clear contract definitions.

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.

INSPO Team at Breuninger builds the next‑generation mobile platform on a vertically integrated multichannel architecture. The Senior Backend Engineer designs, implements and owns scalable backend services and cloud infrastructure on AWS and Kubernetes, driving technical decisions and quality standards.

INSPO Team at Breuninger builds the next‑generation mobile platform on a cloud‑native, multi‑channel architecture. The Senior Backend Engineer designs, implements and owns scalable backend services and AWS infrastructure, driving technical decisions and quality standards.

INSPO Team at Breuninger builds the next‑generation mobile platform on a vertically integrated multichannel architecture. The Senior Backend Engineer designs, implements and owns scalable backend services and cloud infrastructure on AWS and Kubernetes, develops RESTful APIs with Spring Boot, and drives CI/CD and IaC pipelines.

INSPO Team at Breuninger builds the next‑gen mobile platform on a vertically integrated multichannel AWS architecture. The Senior Backend / Infrastructure Engineer designs, implements and owns scalable backend services and cloud infrastructure, crafting RESTful APIs with Spring Boot, Kubernetes and Terraform while collaborating with mobile developers, product owners and UX designers.

INSPO Team at Breuninger builds scalable backend services and cloud infrastructure for the mobile platform. The Senior Backend Engineer designs, develops and owns complex Spring Boot microservices, Kubernetes deployments and AWS resources, implements CI/CD pipelines and Infrastructure-as-Code, and collaborates with mobile developers, product owners and UX designers.

Relution Dev team builds modern UEM software to drive digitalization in schools. As a Backend Engineer you will develop and optimize backend services using Spring Boot and Java, design secure RESTful APIs with OAuth2/JWT, and create CI/CD pipelines while collaborating with interdisciplinary teams.

Finanzen.net Group Engineering Team builds and operates the finanzen.net ZERO brokerage platform using Java, Spring Boot and AWS. The Senior Backend Engineer designs, implements and maintains backend services, handles 3rd‑level support, monitors operational dashboards and oversees end‑of‑day processing and order management. Based in Frankfurt, Munich, Berlin or Karlsruhe with hybrid work (3 days onsite per month) and up to 15 days EU workation per year.

Software Engineering at osapiens, a mission‑driven AI platform for sustainable growth, builds enterprise‑grade solutions that automate compliance and environmental intelligence. As a Senior Backend Developer, you design, develop, and optimize scalable Node.js/TypeScript services, mentor juniors, and shape technical strategy in agile squads.

Java Backend Engineer on the osapiens Hub team, building the core of the AI‑driven osapiens HUB platform that powers sustainable growth for global enterprises. The role designs and implements scalable Java backend services, owns features from concept to delivery, and mentors junior engineers in an agile environment.

Senior Backend Developer at osapiens, a fast-growing unicorn tackling sustainability challenges. Lead backend development with Node.js & TypeScript, building scalable services (REST, GraphQL) for enterprise solutions.

osapiens seeks a Java Backend Engineer to build scalable backend systems for its AI-driven HUB platform. The role focuses on designing, developing, and maintaining Java-based services, owning features from concept to delivery, and mentoring junior engineers within an agile environment.

Developer Experience team at Frontify builds and evolves the platform that enables seamless brand asset management. The Senior Backend Engineer designs, develops and scales APIs, implements robust backend services, and mentors engineers while collaborating with product and design.

Frontify’s Product Platform team builds a brand platform that lets marketers and designers manage digital assets and create campaigns. As a Senior Backend Engineer you design scalable, secure services, write clean PHP/TypeScript code, and collaborate with product, design, and other engineers through pair programming and code reviews.

Senior Backend Engineer at Merkle Switzerland AG, a dentsu company, building secure, scalable microservices for an e‑banking platform. The role designs Kotlin/Spring Boot APIs, owns Kafka event streams, and manages PostgreSQL/MySQL data models, while mentoring juniors and driving observability on OpenShift.