Backend Developer Jobs in Baden-Wurttemberg, Germany

Turnblock.io backend team builds modular services for a tokenization platform. The Backend Developer (NodeJS) designs, implements, and maintains NodeJS/Express APIs, integrates third‑party RESTful services, and collaborates with frontend and blockchain engineers to deliver scalable products.

Senior Backend Developer (Scala) on Exeon’s backend guild, driving architecture and code for the NDR product. Guides the team on new feature design, mentors peers, and hands‑on builds analytics and GUI components.

As a Kotlin Backend Developer at Devoteam, you will work within an agile team focused on API-first applications, managing the entire software lifecycle from requirements engineering through implementation to Go-Live and support. You will design scalable and resilient backend architectures based on REST with a focus on high availability and performance, translate business requirements into technical solutions, and integrate and model databases while driving the automation of operational backend p

As a Kotlin Backend Developer at Devoteam, you will work within an agile team focused on API-first applications, managing the entire software lifecycle from requirements engineering through implementation to Go-Live and support. You will design scalable and resilient backend architectures based on REST with a focus on high availability and performance, translate business requirements into technical solutions, and integrate and model databases while driving the automation of operational backend p

Secure Software Engineering research department at Fraunhofer SIT develops innovative security analysis tools. The student assistant will extend the backend of these tools using Java, implementing new vulnerability scanner functionalities within an agile development process.

Julius Baer is seeking a Senior Backend Developer to design, develop, and maintain the structured product platform within a collaborative global environment. Day-to-day work involves delivering high-quality, scalable C# backend solutions, gathering and analyzing business requirements, designing robust architectures, and providing technical support to business teams and stakeholders.

Secure Software Engineering research department at Fraunhofer SIT builds modern fuzzing infrastructure to detect software vulnerabilities. As a Student Assistant you will run existing fuzzers on popular x86 applications, extend them with cutting‑edge techniques, and maintain an exploit database.

Wir aus dem IT-Bereich Kundentechnologie sorgen mit Herzblut und Leidenschaft für eine optimale Performance unserer Prozesse, Systeme und Services über alle Verkaufskanäle hinweg. Sei dabei und werden Teil unseres Macher-Teams beim Gestalten und Ausbau unserer Webshop Plattformen.

Wir aus dem IT-Bereich Kundentechnologie sorgen mit Herzblut und Leidenschaft für eine optimale Performance unserer Prozesse, Systeme und Services über alle Verkaufskanäle hinweg. Sei dabei und werden Teil unseres Macher-Teams beim Gestalten und Ausbau unserer Webshop Plattformen.

Daran werden Sie wachsen: Entwicklung und Weiterentwicklung moderner Backend- und Cloud-Lösungen Konzeption skalierbarer Software- und Datenarchitekturen sowie technische Verantwortung für anspruchsvolle Kundenprojekte Integration moderner KI-Technologien und datengetriebener Funktionen in produktive Softwarelösungen Analyse fachlicher Anforderungen und Ableitung nachhaltiger technischer Lösungen gemeinsam mit Kunden und Fachbereichen Etablierung moderner DevOps-Praktiken sowie Begleitung des ge

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.

Air Apps is a family-founded company building the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), with offices in Lisbon and San Francisco. As a Backend Software Engineer, you will design, build, and maintain server-side components, including RESTful/GraphQL APIs, microservices, and business logic using Node.js and TypeScript, while collaborating with product managers and frontend developers.

DeepJudge is Switzerland’s leading AI and ICT scale‑up building the intelligence layer for the legal industry. The Backend Software Engineer will design, develop and maintain high‑performance indexing services that power search over hundreds of millions of documents, collaborating with engineers to ship features and optimise scalability.

Applications team at DeepJudge builds the backend that powers the legal AI platform, enabling firms to search and apply institutional knowledge at scale. The role designs, develops and maintains scalable microservices, leads architecture decisions, and optimizes performance across cloud and on‑prem clusters while improving tooling and processes.

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.

Liebherr-Digital Development Center GmbH in Ulm focuses on creating digital solutions for the Liebherr Group. As a student in Cloud Backend & Infrastructure, you will implement cloud software solutions, collaborate with interdisciplinary teams, and actively participate in agile sprint activities.

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.

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.

Air Apps is building the world's first AI-powered Personal & Entrepreneurial Resource Planner (PRP) and seeks a DevOps Engineer – Backend to design, automate, and maintain the infrastructure powering its backend systems. Day-to-day work includes building CI/CD pipelines, managing cloud environments, enforcing infrastructure best practices, and collaborating with developers to streamline deployments and improve scalability.

osapiens Hub’s Backend Engineering team builds the core of the osapiens HUB, an AI‑driven multi‑tenant platform powering SaaS products for sustainable growth. The role designs and implements Java‑based enterprise software, owns features from concept to delivery, and mentors junior engineers in a hybrid environment.