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    Reference number: 850919/1

    (Senior) ABAP Entwickler (m/w/d)

    Festanstellung durch unseren Kunden
    Münsterland
    • Eigenständige Umsetzung von Entwicklungsprojekten – von der Analyse über die Konzeption bis zur Implementierung in ABAP für unterschiedliche SAP-Module
    • Entwicklung und Gestaltung von Integrations- und Schnittstellenkonzepten in enger Zusammenarbeit mit dem Integrationsteam
    • Erstellung technischer Dokumentationen, Performanceoptimierungen und Qualitätssicherung
    • Unterstützung bei der Lösung komplexer Prozess- und Anwendungsprobleme
    • Beratung der internen SAP-Experten sowie externer Partner in technischen Fragen
    • Aktive Mitarbeit in Projekten und Begleitung des Umstiegs auf SAP S/4HANA
    Online since: Fri Mar 27 17:23:25 CET 2026
    Reference number: 868082/1

    OneStream Senior developer (m/f/d)

    Freelance/temporary employment for a project
    Aargau
    • Design and Development: Contribute to the design, development, testing, and deployment of OneStream solution for finance consolidation, Tax (CbCR & Pillar-two) and ESG, including enhancements, customizations, and integrations
    • System Implementation: Participate in the full lifecycle of our OneStream project, from design to go-live and post-implementation support
    • Technical Leadership: Provide technical support and guidance to co-workers, ensuring adherence to best practices and coding standards and fostering a culture of continuous learning and growth. Advocate for and ensure adherence to OneStream coding standards, best practices, and performance optimization
    • Collaboration: Work closely with functional teams, project managers, and other stakeholders to understand business needs and translate them into technical solutions
    • Documentation: Develop and maintain technical documentation, including design specifications, test plans, and user manuals
    • Support and Maintenance: Provide ongoing support and maintenance for OneStream, including troubleshooting and issue resolution
    Online since: Fri Mar 27 10:35:50 CET 2026
    Reference number: 868131/1

    Fullstack Developer - Java EE & Angular (m/f/d)

    Freelance/Contracting project
    Budapest
    • Develop and maintain applications using Java EE (Jakarta EE)
    • Implement and enhance frontend components with Angular
    • Work with SQL for data handling and persistence
    • Use Git for version control
    Online since: Fri Mar 27 10:34:31 CET 2026
    Reference number: 814300/1

    C# Fullstack Software Entwickler (m/w/d)

    Festanstellung durch unseren Kunden
    Wien
    • Entwicklung und Wartung komplexer Softwarelösungen mit C# und .NET (idealerweise .NET 9)
    • Anwendung moderner Softwarearchitekturen (z.B. Microservices, Layered Architecture)
    • Umsetzung von Designprinzipien wie Clean Code, SOLID, DDD, OOD
    • Mitarbeit an größeren Softwareprodukten mit Fokus auf Skalierbarkeit und Wartbarkeit
    • Zusammenarbeit in agilen Teams (Scrum), inkl. Code Reviews, Pair Programming und CI/CD
    • Aktive Beteiligung an der kontinuierlichen Verbesserung von Codequalität und Entwicklungsprozessen
    Online since: Thu Mar 26 15:01:14 CET 2026
    Reference number: 868065/1

    Senior Fullstack Applikations-Entwickler (React/Next.js, Sanity, .NET) (m/w/d)

    Freiberuflich/in temporärer Festanstellung für ein Projekt
    Bern
    • Weiterentwicklung und Optimierung von Formular- und Survey-Lösungen (Forms/Surveys Enhancement)
    • Umsetzung und Pflege von Integrationen wie Consent-Anbindung an die interne Kundendatenbank
    • Prüfung und Anbindung von IncaMail, Emarsys sowie Address Validator
    • Evaluation und Implementierungsprüfung neuer Features wie Date Prefilling
    • Entwicklung modularer und wiederverwendbarer Komponenten basierend auf Figma-Designs
    • Implementierung und Integration der Module im CMS Sanity
    • Saubere Einbettung der entwickelten Module in die Frontend-Applikation (React/Next.js)
    • Zusammenarbeit mit Backend-Teams für die .NET-basierte Formular-Backend-Architektur
    • Sicherstellung von Code-Qualität, Performance und Stabilität über den gesamten Stack
    • Enge Abstimmung mit Fachseite und technischen Stakeholdern zur Lösungsdefinition
    Online since: Thu Mar 26 14:54:45 CET 2026
    Reference number: 866553/1

    Infrastructure Manager (m/w/d)

    Anstellung bei der Hays Professional Solutions GmbH
    München
    • Leitung des Infrastruktur-Subteams innerhalb des Realisierungsteams und Verantwortung für die technische Umsetzung
    • Unterstützung von Netzwerk- und Hardware-Experten beim Aufbau einer OT-Infrastruktur auf Basis einer Software-Defined-Network-Lösung
    • Steuerung des Aufbaus von Storage, Compute und weiteren Infrastrukturkomponenten in Cloud-, Air-Gapped- und Hybrid-Umgebungen
    • Architektur und Konfiguration physischer Router, Switches sowie Einrichtung von virtuellen Maschinen und Entwicklungsumgebungen (IaC)
    • Implementierung von Automatisierungslösungen mit Ansible und Gestaltung sicherer physischer OT-Umgebungen nach IEC62443
    • Strukturierung von Arbeitspaketen, vorausschauende Planung und Ausübung von Führungskompetenz innerhalb des Teams
    Online since: Tue Mar 24 11:04:09 CET 2026
    Reference number: 867273/1

    Softwareentwickler ADAS (m/w/d)

    Anstellung bei der Hays Professional Solutions GmbH
    Wolfsburg
    • Entwurf von Softwarearchitekturen sowie Erstellung von Designdokumentationen
    • Entwicklung innovativer Algorithmen auf Basis von Prototypfunktionen mit Schwerpunkt auf Eignung für automotive Embedded-Systeme
    • Entwicklung und Beschreibung von Schnittstellen zwischen Softwaremodulen und Fahrzeug
    • Anpassung / Entwicklung von Software für Standard-Software-Stacks (Kommunikationsprotokolle, AUTOSAR, …)
    • Entwicklung und Implementierung von Software in C++
    • Entwicklung und Implementierung unterstützender Software in Python
    • Modulbasierte Softwaretests
    • Integration in vollständige Softwarepakete
    Online since: Mon Mar 23 09:03:21 CET 2026
    Reference number: 867198/1

    Android Developer (m/f/d)

    Freelance/Contracting project
    Vienna
    • Develop and deliver new features for an Android mobile banking application
    • Enhance existing functionality and support ongoing feature improvements
    • Refactor and maintain code to ensure a clean and modern Android architecture
    • Implement mobile UI using Jetpack Compose and custom views
    • Integrate the app with backend services
    • Create and maintain unit, integration and UI tests
    • Contribute to CI workflows and follow code review processes
    • Ensure app performance, quality, and compliance with mobile security practices
    • Collaborate with UX designers, business analysts, and cross-functional team members in an agile setup
    Online since: Fri Mar 20 15:47:36 CET 2026
    Reference number: 867192/1

    Application Developer (Business Central) (m/w/d)

    Freiberuflich für ein Projekt
    Oberösterreich
    • Eigenständiger Betrieb, Entwicklung und Weiterentwicklung von Anwendungen im ERP und BI Umfeld
    • Customizing und Erweiterungen mittels AL (für BC On-Prem) Erstellung von Extensions (Apps), Reports, Pages, Tables, Codeunits
    • Umsetzung von Integrationen zu Drittsystemen
    Online since: Fri Mar 20 11:58:56 CET 2026
    Reference number: 864987/1

    Backend Developer / Java Developer (Hungary Only) (m/f/d)

    Freelance/Contracting project
    Hungary
    • Design, develop and maintain backend services and APIs using Java
    • Build scalable, secure and high-performance backend architectures
    • Integrate internal and external systems via RESTful APIs and messaging services
    • Collaborate closely with Frontend, Product Management, DevOps and Architecture teams
    • Write clean, testable and maintainable code following best practices
    • Participate in code reviews, technical discussions and architectural planning
    • Work in an agile environment (Scrum/Kanban)
    Online since: Fri Mar 20 11:04:05 CET 2026

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    Reference number: 865749/1

    Monitoring & Alerting Engineer (m/w/d)

    Freiberuflich/in temporärer Festanstellung für ein Projekt
    Bern
    • Entwicklung eines ganzheitlichen Monitoring- und Alerting-Konzepts für eine RZ-Infrastruktur
    • Implementierung und Konfiguration der Monitoring-Lösung auf Basis von Zabbix
    • Definition von Schwellenwerten, Alarmierungslogiken und Eskalationsprozessen
    • Aufbau eines 7x24-Monitorings für den First-Level-Support
    • Umsetzung von Event-, Availability- und Capacity-Management
    • Evaluation ergänzender Tools und Erweiterungen
    • Erstellung von Architektur-, Prozess- und Betriebsdokumentationen sowie Übergabe an den Betrieb
    Online since: Tue Mar 17 08:35:49 CET 2026
    Reference number: 866354/1

    Fullstack Developer Angular/Java (m/f/d)

    Freelance/Contracting project
    Austria
    • End-to-end implementation of features, i.e. requirements analysis, technical design, development (frontend & backend), APIs, testing, and CI/CD deployment, including monitoring and handover
    • Development and enhancement of internal engineering tools, dashboards, and metric visualizations for developers and management stakeholders
    • Implementation of smaller internal applications as well as additional in-house solutions
    • Ensuring high code quality through best practices in testing
    • Collaboration with a cross-functional team consisting of frontend, backend, and QA
    Online since: Mon Mar 16 14:39:51 CET 2026
    Reference number: 866056/1

    GIS Integration Consultant (Only Nearshore & Offshore) (m/f/d)

    Freelance/Contracting project
    Remote
    • Designing and maintaining ArcGIS Enterprise environments (portal, hosting/federated servers, datastores)
    • Publishing, configuring, and optimizing services throughout their lifecycle
    • Implementing reliable multi-environment content deployment for databases, services, and applications
    • Automating workflows with arcpy and ArcGIS API for Python for ETL, validation, and spatial processing
    • Architecting and administering enterprise Geodatabases, including rules, domains, subtypes, relationships, and archiving
    • Troubleshooting and resolving Geodatabase performance or data-integrity issues
    • Planning and executing large-scale historical data migrations, including mapping, transformation, and validation
    • Managing migration risks and documenting outcomes for both technical and non-technical audiences
    • Building and troubleshooting integrations using ArcGIS REST APIs and webhooks, including real-time sync logic
    • Providing structured production support, performing first-level RCA, documenting integrations, and contributing to UAT test books
    Online since: Fri Mar 13 15:52:51 CET 2026
    Reference number: 865359/1

    Senior Software Engineer Rust (m/f/d)

    Freelance/temporary employment for a project
    Zug
    • You develop concepts and participate in feasibility studies to meet technical requirements
    • You perform and take ownership of specific software development tasks, ensuring reviews using checklists and templates
    • You lead work package definition, estimation, and planning, and enhance or document SW unit specifications and designs
    • You review designs and contribute to the SW architecture, defining quality attributes and staying updated with technology trends
    • You conduct root-cause analysis of complex issues and provide bug fixes for post-market software releases
    • You ensure compliance with processes, propose improvements, and stay informed about regulatory and market standards
    Online since: Fri Mar 13 09:35:19 CET 2026
    Reference number: 865590/1

    Power Platform Developer (m/f/d)

    Freelance/Contracting project
    Vienna
    • Analysis and further development of Power Apps
    • Development and optimization of Power Automate workflows
    • Creation of technical documentation
    • Close coordination with internal stakeholders
    • Independent solution development and quality assurance
    Online since: Wed Mar 11 09:27:07 CET 2026
    Reference number: 864118/1

    DevSecOps Engineer (Nearshore only) (m/f/d)

    Freelance/Contracting project
    remote
    • Enhancement of the secret scanner with custom extensions in Rust
    • Implementation of new detection patterns and regex rules for various secret types
    • Integration into GitLab CI/CD pipelines with automated policy checks
    • Connection to LLM systems (ONNX) for false-positive reduction
    • Improvement of detection rates and scan performance
    • Evaluation of alternative scanner tools
    • Documentation and training of development teams
    • Enforcement of security best practices
    Online since: Tue Mar 10 11:27:38 CET 2026
    Reference number: 864855/1

    Senior Site Reliability Engineer (m/f/d)

    Freelance/Contracting project
    Remote
    • Deploy, install, and manage Kubernetes clusters in on-prem and hybrid environmentsConfigure and maintain GitOps
    • Workflows, Helm/Kustomize, and artifact registries in restricted networks 
    • Design, operate, and lead incident response for the observability stack (Prometheus, Grafana) and enforce disaster recovery
    • Harden environments with network segmentation, mTLS, IAM, and vulnerability remediation
    • Produce compliance documentation, runbooks, and train agency and client teams on operations
    Online since: Mon Mar 09 10:25:59 CET 2026
    Reference number: 865145/1

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

    Freelance/temporary employment for a project
    Zug
    • Proactive participation in all phases of software development from feasibility studies through design,development, testing and bug fixing and maintenance
    • Collaboration within the Scrum-Teams
    • Independent interaction with internal framework manufacturers
    • Based on requirements and models, definition of software architecture, design and specifications, ultimately leading to implementation
    • Participation in the definition of work packages, their estimation and planning in a sprint-based agile environment
    • Adherence to a software development process including contribution to written deliverables and documentation
    Online since: Fri Mar 06 15:43:02 CET 2026
    Reference number: 864111/1

    Senior Software Engineer (m/w/d)

    Freiberuflich/in temporärer Festanstellung für ein Projekt
    Zürich
    • Entwicklung hochskalierbarer Cloud-Applikationen in Go und Wartung bestehender PHP/Symfony-Systeme im Rahmen ihrer schrittweisen Migration nach Go
    • Anforderungsanalyse und Aufwandschätzung sowie Beratung und Unterstützung in der Konzeption von Lösungen
    • Erarbeiten von Konzepten und Architekturen im Team
    • Verwaltung, Konfiguration und Optimierung von Anwendungen in Kubernetes- Umgebungen
    • Coaching und Unterstützung der weniger erfahrenen Entwickler und aktives Teilen deines Wissens im Team
    Online since: Mon Mar 02 16:10:30 CET 2026
    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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