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    Reference number: 859830/1

    Softwareentwickler Integration (m/w/d)

    Festanstellung durch unseren Kunden
    Berlin
    • Du entwickelst Integrationslösungen für komplexe Systemlandschaften und baust saubere, performante Schnittstellen
    • Du setzt Services auf Basis eines modernen Integration Frameworks um und bringst eigene Ideen ein
    • Du begleitest den gesamten DevOps-Lifecycle: Konzeption, Entwicklung, Betrieb – alles aus einer Hand
    • Du sorgst für hohe Codequalität durch Reviews, Tests und technische Standards
    • Du jagst Bugs nicht nur hinterher, sondern behebst sie nachhaltig und denkst Systeme ganzheitlich mit
    • Du arbeitest eng mit Teams anderer Anwendungen zusammen und stimmst Anforderungen auf Augenhöhe ab
    Online since: Fri Feb 20 14:12:39 CET 2026
    Reference number: 862396/1

    eHealth Consultant (m/w/d)

    Freiberuflich für ein Projekt
    Bundesland Wien
    • Fachliche und technische Beratung im eHealth- und Krankenhausumfeld
    • Analyse bestehender Systemlandschaften (KIS, RIS, LIS, Subsysteme)
    • Aufnahme, Strukturierung und Dokumentation von Anforderungen (Requirements Engineering)
    • Konzeption und Bewertung von Schnittstellen und Integrationsarchitekturen
    • Mitarbeit in Projekten rund um Interoperabilität, Systemanbindungen und Rollouts
    • Enge Abstimmung mit medizinischem Fachpersonal, IT-Abteilungen, Dienstleistern und Herstellern
    • Unterstützung im Servicebetrieb (2nd/3rd Level, Change- und Incident-Management)
    • Sicherstellung der Einhaltung regulatorischer und qualitativer Anforderungen
    Online since: Fri Feb 20 10:58:23 CET 2026
    Reference number: 862635/1

    BI-Engineer - Schwerpunkt Datenmodellierung / Report Design (m/w/d)

    Freiberuflich für ein Projekt
    Nordrhein-Westfalen
    • Design, Entwicklung und Optimierung von Reports und Dashboards mit Microsoft Power BI
    • Konzeption und Weiterentwicklung komplexer Datenmodelle als Grundlage für verlässliche KPIs
    • Erstellung, Pflege und Optimierung von ETL-Prozessen zur Integration und Transformation unterschiedlicher Datenquellen
    • Enge fachliche Zusammenarbeit mit internen Stakeholdern – von der Anforderungsanalyse bis zur Umsetzung passgenauer BI-Lösungen
    • Weiterentwicklung der BI-Plattform auf Power-BI-Basis
    • Schulung von Anwendern
    • Aktiver Beitrag zum Know-how-Aufbau im Umgang mit Power BI
    • Mitwirkung an der strategischen Weiterentwicklung der Data- und Analytics-Landschaft
    • Beratung der Organisation auf dem Weg zur Data-driven Company 
    • Konzeption, Modellierung und Visualisierung moderner BI-Lösungen
    Online since: Fri Feb 20 09:57:01 CET 2026
    Reference number: 862075/1

    Java Developer (m/w/d)

    Festanstellung durch unseren Kunden
    Dortmund
    • Entwicklung und Weiterentwicklung moderner Java-Backend-Anwendungen unter Einsatz von Spring, JPA/Hibernate und gängigen Datenbanksystemen
    • Analyse fachlicher Anforderungen sowie Erstellung technischer Konzepte und performanter Software-Architekturen
    • Mitarbeit bei der Gestaltung von Web-Frontends (z.?B. mit React, HTML, JavaScript) und Integration mit REST-Schnittstellen
    • Aktive Mitwirkung in agilen Teams sowie kontinuierliche Verbesserung der Prozesse, Methoden und Systemlandschaften
    Online since: Wed Feb 18 09:06:28 CET 2026
    Reference number: 857939/1

    ERP-Anwendungsbetreuer (m/w/d)

    Festanstellung durch unseren Kunden
    Raum Reutlingen
    • Pflege und Weiterentwicklung unseres ERP-Systems
    • Ansprechpartner für Fachabteilungen und Anwender
    • Durchführung von Anwenderschulungen
    • Definieren, bewerten und umsetzen von ERP-Projekten
    • Steigerung der System- und Prozesseffizienz
    • Informieren und beraten der Geschäftsführung
    • Enge Zusammenarbeit mit den Abteilungen und Prozessverantwortlichen
    Online since: Tue Feb 17 15:16:46 CET 2026
    Reference number: 861479/1

    Senior Backend Software Developer (m/w/d)

    Freiberuflich/in temporärer Festanstellung für ein Projekt
    Zürich
    • Du entwickelst und betreibst geschäftskritische, performante, skalierbare Backend-Applikationen auf Basis neuer Technologien
    • Mit C#, Kotlin oder Java hilfst du Banken-Lösungen zu entwickeln, weiterzuentwickeln und zu betreiben
    • Design, Implementierung und Wartung von Schnittstellen zu Drittsystemen 
    • Übernahme von Betriebsaufgaben für Legacy Systeme und neue Lösungen in Microsoft Azure
    • Etablierung moderner DevOps-Praktiken und CI/CD Prozesse
    Online since: Thu Feb 12 14:14:15 CET 2026
    Reference number: 861186/1

    Frontend Developer (m/f/d)

    Freelance/Contracting project
    Vienna
    • Development of new cloud-native web solutions and customer portals
    • Continuous improvement of existing software products and adaption to new requirements/standards
    • Quality assurance measures such as code reviews and software tests
    • Active participation in the development process of an agile team
    Online since: Wed Feb 11 13:47:26 CET 2026
    Reference number: 860773/1

    Applikationsentwickler (m/w/d)

    Freiberuflich/in temporärer Festanstellung für ein Projekt
    Zürich
    • Umsetzung von Anforderungen mehrheitlich im Backend (Java, Spring Boot, Postgres) sowie teilweise im Frontend (Angular, Typescript)
    • Durchführung von technischen Konzeptionen, Analysen und Design neuer Features
    • Entwicklung von Spring-Webapplikationen in der Azure Cloud
    • Entwicklung und Pflege von CI/CD-Pipelines für Code-, Daten- und Modellbereitstellungen
    • Gemeinsame Verantwortung für die Applikation ChatGPT-Skill
    • Initiale Entwicklung, kontinuierliche Weiterentwicklung und stabiler Betrieb der Systeme im Rahmen der DevOps-Philosophie
    Online since: Tue Feb 10 09:50:16 CET 2026
    Reference number: 858527/1

    Senior Software Engineer Qt / C++ (m/f/d)

    Permanent employment with our customer
    Berlin
    • Taking ownership of software engineering tasks within the R&D environment
    • Designing, developing, and testing C++ applications with a focus on Qt and MITK
    • Ensuring quality through regular code reviews, bug fixing, and unit testing
    • Creating technical documentation in line with applicable specifications and standards
    • Managing software releases across all stages
    • Supporting the service team in handling technical customer inquiries
    Online since: Mon Feb 09 08:11:33 CET 2026
    Reference number: 858877/1

    Senior Java Engineer (m/f/d)

    Permanent employment with our customer
    Bundesland Wien
    • Design, develop, and maintain backend services with a strong focus on Java, Spring, and scalable architectures
    • Contribute to the evolution of our platform’s microservice ecosystem and integration layers
    • Build reliable, secure, and high-quality code through testing, automation, and best engineering practices
    • Collaborate closely with product, DevOps, and domain experts to shape technical solutions end-to-end
    • Mentor developers and actively influence technical decisions and architectural direction
    • Drive continuous improvement in performance, code quality, and system stability
    Online since: Thu Jan 29 09:33:12 CET 2026

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    Reference number: 856206/1

    Senior Software UI / FrontEnd TechLead (m/f/d)

    Freelance/temporary employment for a project
    Zug
    • You work with cross-functional teams and stakeholders (Product Owner, System Architect, Solution Architect, System Engineers, etc.) to understand and translate complex business and customer needs into effective technical solutions and communicate these to the team and the stakeholders
    • You design and develop innovative software solutions that meet regulatory requirements as well as fulfill system quality attributes like scalability, performance, reliability, maintainability, interoperability, extensibility, etc.
    • You guide the team to adhere to best practices in software development and inline with the organizational strategy and practices including code reviews, testing, and continuous integration, to deliver high-quality solutions and foster a culture of continuous improvement and technical excellence
    • You act as a mentor and role model, guiding and empowering team members in technical development, promoting a collaborative working environment and contributing effectively to the team's success
    Online since: Fri Jan 09 15:39:44 CET 2026
    Reference number: 854809/1

    Frontend Entwickler (m/f/d)

    Permanent employment with our customer
    Düsseldorf
    • Development and maintenance of modern user interfaces for the software platform
    • Implementation of customer requirements and handling of tickets in day-to-day operations
    • Optimization of existing frontend components with regard to performance and usability
    • Design and implementation of new features for various application areas
    • Ensuring a consistent and intuitive user experience across all applications
    • Close collaboration with backend developers to integrate interfaces and data flows
    • Support in the strategic further development of the platform and introduction of new technologies
    Online since: Wed Dec 17 15:14:47 CET 2025
    Reference number: 851846/1

    Softwareentwickler (m/f/d)

    Permanent employment with our customer
    Düsseldorf
    • Further development and maintenance of the existing software platform
    • Implementation of customer requirements and handling of tickets in day-to-day operations
    • Analysis and resolution of errors as well as continuous optimization of the backend architecture
    • Development of new features and strategic advancement of the platform
    • Setup and configuration of new systems as well as integration into the existing infrastructure
    • Ensuring data processing and transmission for analytical purposes
    Online since: Wed Dec 17 14:57:13 CET 2025
    Reference number: 854487/1

    Mulesoft-Entwicker (Only Nearshore) (m/f/d)

    Freelance/Contracting project
    Remote
    • Development and maintenance of integration solutions: Design and implementation of integrations and APIs using the Mulesoft Anypoint Platform to connect various systems and applications within the enterprise architecture - Design and implement scalable, reusable, and secure APIs and integrations using MuleSoft Anypoint Studio and Anypoint Platform
    • Creation and management of APIs: Build and document APIs using Anypoint API Designer and API Manager to ensure a standardized and reusable API architecture in compliance with RAML specifications and RESTful principles
    • Data integration and transformation: Design and implement data mappings and transformations to ensure smooth data exchange between internal and external systems (e.g., Salesforce, SAP, databases, legacy systems)
    • Troubleshooting and optimization: Diagnosing and resolving integration issues, monitoring performance, and optimizing integration processes to ensure high system availability (monitoring with Anypoint Monitoring, Runtime Manager, and other observation tools)
    • Management of the entire API lifecycle: Design, development, deployment, versioning, and decommissioning using best practices for API governance and security (OAuth2, JWT, client ID enforcement)
    • Implementation of security standards: Ensuring data security and compliance with requirements, including implementation of authentication, authorization, and encryption within the APIs
    • Testing and quality assurance: Creation of unit and integration tests with MUnit and other test frameworks, and performance optimization and bug fixes for Mule applications
    Online since: Wed Dec 17 09:40:05 CET 2025
    Reference number: 850232/1

    Energie Trading Developer (Nearshore) (m/f/d)

    Freelance/Contracting project
    remote
    • Development and implementation of further trading strategies in a alignment with the product team
    • Improve frontend interface, allowing for more customization, live data streaming and more use-cases, i.e. full-stack development
    • Analysing which streaming technologies are suitable and applying them
    • Extend execution strategies in HedgeX for power and gas: spread trading for power and gas storage optimization, automatic hedging at certain price signals (e.g. VWAP), Clear scaling concept for new strategies and use-cases and Streaming service that can feed live e*star data into applications, not only snapshots
    Online since: Thu Nov 20 11:32:09 CET 2025
    Reference number: 847948/1

    Développeurs(euses) GraphTalk (m/f/d)

    Freelance/temporary employment for a project
    Valais
    • Develop and maintain insurance applications using Graphtalk AIA 3.0
    • Configure and parameterize new insurance products within the Graphtalk environment
    • Integrate interfaces such as Kafka, Java, and REST APIs
    • Collaborate with Data/AI teams to embed predictive models and decision engines
    • Support modernization and automation of business processes
    • Analyze and implement requirements from the social insurance domain
    • Document and ensure quality of developed solutions
    Online since: Wed Nov 12 13:36:52 CET 2025
    Reference number: 844063/1

    Senior Full-Stack Software Engineer (m/f/d)

    Freelance/temporary employment for a project
    Zug
    • Design, develop, and maintain high-quality software across the full stack for our core instrument software
    • Play a key role in building and evolving robust back-end controllers using C#/.NET that interface with instrument hardware and handle data processing
    • Implement the new front-end user interface using React and TypeScript, replacing the existing legacy GUI for instrument management
    • Collaborate closely with project leaders, Testers, and other engineers to define, estimate, and deliver features
    • Ensure all development practices and delivered software meet the stringent requirements of a regulated environment, including documentation, testing, and compliance standards
    • Participate in code reviews, design discussions, and mentoring junior team members
    • Diagnose and resolve complex technical issues, bottlenecks, and performance challenges related to software-instrument communication
    Online since: Tue Oct 14 10:33:11 CEST 2025
    Reference number: 813356/1

    (Senior) C++ Developer for Audio Domain for a premium automotive company (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Berlin
    • Develop and maintain a unified platform for the next-generation infotainment system
    • Create, improve, and operate an embedded platform for audio-related use cases
    • Collaborate closely with various API users to continuously improve service quality
    • Orchestrate multi-zone audio stream use cases
    • Develop end-to-end features for audio-related use cases
    • Utilize programming languages such as C++ 17 and Python for software development
    • Apply test-driven development practices
    • Use version control systems (GIT) and CI/CD tools (GitLab)
    • Employ build tools (cmake) and container technologies (Docker)
    • Work in an agile environment using Scrum methodologies
    Online since: Wed Sep 24 10:56:05 CEST 2025
    Reference number: 820178/1

    Senior Software Developer QML/C++ (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Berlin
    • Develop cloud-connected in-vehicle applications
    • Working in an agile team
    • Responsible for designing, documenting, implementing, integrating, and testing customer-facing features within the infotainment system
    • Development involve QML, Golang, C++, and Android development, leveraging modern tools
    • Build high-performance in-vehicle applications
    • Collaboration with internal and external stakeholders
    Online since: Tue Sep 16 17:37:50 CEST 2025
    Reference number: 822927/1

    QML/C++ Software Engineer - Connected Services Team for a premium automotive company (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Berlin
    • You will develop cloud-connected in-vehicle applications for a Premium Automotive Infotainment System
    • Working in an agile team, you will be responsible for designing, documenting, implementing, integrating, and testing customer-facing features within the infotainment system
    • Development will primarily involve QML, Golang, C++, and Android development, leveraging modern tools, technologies, and engineering best practices to build high-performance in-vehicle applications
    • Additionally, you will collaborate with internal and external stakeholders, including UX designers, to coordinate technical implementations and development activities
    Online since: Thu May 22 10:10:36 CEST 2025

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