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    Reference number:
    Hays internal

    International Active Sourcing Specialist (m/f/d)

    Internal career at Hays
    Mannheim
    Online since: Thu May 07 11:19:05 CEST 2026
    Reference number: 872874/1

    Senior Finance Business Partner Engineering & Digital (m/f/d)

    Permanent employment with our customer
    Tyrol
    • Own and ensure accuracy of Engineering & Digital financial closing, including validation of accruals, cost allocations, and capitalization logic, in full compliance with Group Controlling standards
    • Lead financial planning and forecasting cycles for Engineering & Digital, including operational reviews and close alignment with Engineering leadership, Group FP&A, and other Finance teams
    • Independently validate planning assumptions, differentiate most likely vs. best-case scenarios, and proactively identify financial risks, constraints and improvement opportunities
    • Act as a trusted finance business partner to Engineering & Digital management, providing constructive challenge and decision-oriented recommendations
    • Drive financial transparency across Engineering & Digital, identify cost optimization levers and support informed decision-making through structured financial analyses
    • Perform financial validation of R&D programs, including guidance on cost capitalization criteria and accounting treatment
    • Support the annual R&D funding submissions to Austrian state authorities (FFG), ensuring financial accuracy, consistency and compliance
    • Contribute to the redesign of BI and KPI reporting for Engineering & Digital, enabling scalable, transparent and insightful reporting solutions
    • Continuously improve controlling processes, tools and governance in a dynamic, fast-paced environment
    Online since: Tue May 05 15:54:19 CEST 2026
    Reference number: 872971/1

    .NET Developer (m/f/d)

    Freelance/Contracting project
    Vienna
    • Develop, modernize, and operate backend services within a .NET environment
    • Modernize service and system architectures and replace legacy technologies
    • Design and contribute to standardized, data-driven backend solutions
    • Integrate, extend, and optimize backend workflows and processes
    • Ensure clean architecture, maintainable code, and well-defined service interfaces
    • Implement unit and automated tests; ideally work with CI/CD and Camunda workflows
    Online since: Mon May 04 15:44:53 CEST 2026
    Reference number: 872918/1

    Solution Analyst for Group Risk Solutions (m/f/d)

    Freelance/Contracting project
    Vienna
    • Translate business needs into clear solution concepts
    • Carry out feasibility assessments for proposed initiatives
    • Contribute to transformation and implementation projects
    • Prepare detailed functional and requirement specifications
    • Examine data needs and evaluate data-related aspects
    • Update and refine elements of existing data catalogues
    • Define rules and checks to ensure data quality
    • Review business processes and identify areas for improvement
    • Investigate issues, determine root causes and outline resolutions 
    • Validate technical implementations from a business perspective
    Online since: Mon May 04 13:41:57 CEST 2026
    Reference number: 871510/1

    Senior Accountant Schweden (m/f/d)

    Freelance/Contracting project
    Remote
    • Financial accounting according to Swedish Local GAAP / BAS Kontoplan
    • Posting of incoming and outgoing invoices
    • Implementation of local accounting in Sweden
    Online since: Thu Apr 30 12:28:22 CEST 2026
    Reference number: 871920/1

    SAP Integration Suite Expert (m/f/d)

    Freelance/Contracting project
    Vienna
    • Hands-on development and optimization of integration scenarios within the SAP Integration Suite
    • Analysis, refactoring, and performance optimization of existing interfaces
    • Simplification of complex integrations (lean design, reduced over-engineering)
    • Integration of on-premise systems and cloud applications
    • Error analysis and rapid, pragmatic implementation of solutions
    • Support of integrations related to production orders and goods movements
    • Close collaboration with internal IT key stakeholders
    Online since: Fri Apr 24 15:23:00 CEST 2026
    Reference number: 871549/1

    Project Management Office supporter for Risk & Compliance (m/f/d)

    Freelance/Contracting project
    Vienna and Remote
    • Project management within the Risk & Compliance workstream
    • Coordination of meetings, workshops, and alignment sessions
    • Preparation of meeting minutes, action items, and decision logs
    • Tracking of tasks, milestones, and overall progress
    • Maintenance of project folders and document management
    • Preparation of status and progress reports
    • Support of stakeholder communication
    Online since: Thu Apr 23 14:48:14 CEST 2026
    Reference number: 871424/1

    Senior Embedded Security Engineer – AI & Edge Platforms (m/f/d)

    Freelance/Contracting project
    Gratkorn
    • Design and implement secure boot and firmware integrity mechanisms for AI-capable embedded platforms
    • Develop and apply runtime hardening and isolation strategies for machine-learning workloads
    • Enable model protection using Trusted Execution Environments (TEE), secure enclaves, or comparable trust technologies
    • Ensure the secure loading, verification, and execution of ML models on edge devices
    • Contribute to security architecture decisions covering the full stack from firmware to application runtime
    • Collaborate with platform, architecture, and research teams to evolve prototype solutions into reusable technical concepts
    Online since: Thu Apr 23 14:46:41 CEST 2026
    Reference number: 869646/1

    Security Architect Microcontroller (m/f/d)

    Freelance/Contracting project
    Remote
    • Review existing security architectures for microcontroller and microprocessor platforms
    • Assessment of hardware- and security concepts
    • Identification of vulnerabilites, design flows and risks
    • Perform security assessments of existing implementations
    • Evaluate trust models (e.g. secure boot, secure storage, isolation mechanisms)
    • Analyze threat models and attack surfaces
    • Hardware-based security mechanisms / Software-based security architectures / Define or further develop security architectures
    • Support technology and design decisions (e.g. secure elements, MPU, TEE concepts)
    • Create structured review and assessment documentation
    • Clearly document findings, risks and mitigation recommendations
    • Collaborate with hardware, software, system and safety teams
    Online since: Wed Apr 22 15:11:53 CEST 2026
    Reference number: 870024/1

    Program Lead US (m/f/d)

    Freelance/Contracting project
    Vienna and remote
    • End-to-end responsibility for a complex drug development program, including: Development, Regulatory approval, US launch, Market Access
    • Establishment of local structures and capabilities in the US (e.g. if the US becomes a new disease area, new organizational capabilities need to be built; this process must be coordinated and aligned within the overall program)
    • Overall program leadership across all phases
    • Leadership and coordination of cross-functional, international project teams (including teams and service providers across European and US time zones)
    • Management of external partners, service providers, and consultants
    • Close collaboration with Senior Management and Executive stakeholders
    • Preparation and presentation of decision-relevant materials at management level
    • Ensuring timeline, budget, and quality targets in a highly regulated environment
    • Program management and controlling
    • Proactive risk and scenario management (including the possibility of early project termination)
    Online since: Tue Apr 14 15:28:10 CEST 2026

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    Reference number: 869859/1

    Business Analyst (AI & LLM) (m/f/d)

    Freelance/Contracting project
    Vienna
    • Requirements engineering and analysis in a complex IT and banking environment
    • Creation of analysis artefacts, functional specifications, and technical documentation
    • Writing clear, actionable user stories with acceptance criteria
    • Definition and review of REST/JSON APIs and interfaces, backend and interface analysis using Chrome DevTools
    • Support for UI and solution design activities
    • Facilitation of workshops, refinements, and cross-team alignment sessions
    • Ensuring stakeholder alignment and documenting decisions
    • Contribution to behaviour-driven and test-driven development artefacts
    • Identification and communication of risks, dependencies, and decisions
    • Support in AI/LLM-related topics such as MCP, orchestration patterns, and agent-based architectures
    Online since: Mon Apr 13 15:03:25 CEST 2026
    Reference number: 869579/1

    Python Developer with Node.js Maintenance Skills (m/f/d)

    Freelance/Contracting project
    Vienna
    • Maintain and stabilise the existing Node.js conversational backend (bug fixes, minor enhancements, testing, reliability, cautious change management)
    • Ensure continuous operation of production services and timely resolution of maintenance issues with no regressions
    • Work with a short-term Node.js maintenance focus and transition mid- to long-term to full-time Python/AI development
    • Develop and extend a Python-based conversational AI orchestration layer (LangChain / LangGraph)
    • Implement LLM orchestration pipelines including prompt engineering, API integration, hallucination handling, error handling, and fallback strategies
    • Participate in architecture discussions and the migration from Node.js to a Python/Kotlin stack
    • Integrate and collaborate with Kotlin backend services and engineers
    • Create and maintain automated tests, technical documentation, and CI/CD pipelines
    • Collaborate closely with a cross-functional product team (frontend, Kotlin, business, design)
    Online since: Fri Apr 10 10:04:09 CEST 2026
    Reference number: 869231/1

    Senior Accounting for Financial instruments / FPSL Expert (m/f/d)

    Freelance/Contracting project
    Wien
    • Responsible for driving performance
    • Conducting strategic analysis
    • Identifying and correcting financial or operational concerns
    • Providing financial analysis to support decisions related to the profitability and financial health of the organization
    • Senior FPSL Developer providing expert support on SAP FPSL solutions
    • Analyze and resolve FPSL performance and optimization issues
    • Provide functional and technical guidance on FPSL Integration components
    • Support configuration options and customer-specific extensions
    Online since: Wed Apr 08 10:42:00 CEST 2026
    Reference number: 869239/1

    QA Engineer for Conversational AI and Test Automation (m/f/d)

    Freelance/Contracting project
    Vienna
    • Work on structured regression and acceptance testing for a multi-country conversational AI product
    • Plan and execute UI testing across web and mobile, including layout, interactions and visual correctness
    • Conduct manual and exploratory testing of AI-driven conversational flows (multi-turn behaviour, routing, fallbacks, quick replies, response correctness)
    • Validate conversational behaviour across stateful, backend-connected flows
    • Plan, execute, and maintain regression and acceptance test cycles across web, mobile, admin, and backend layers
    • Write, maintain, and execute automated tests for web and mobile, including end-to-end and end-to-mock scenarios
    • Apply and maintain mocking strategies to support testability of backend-dependent flows
    • File detailed defect reports including environment context, conversation identifiers, reproduction steps, and evidence
    • Contribute to AI evaluation workflows, including reviewing test traces and evaluation outputs
    • Provide evidence-based QA sign-off in release-cycle-driven UAT and QA processes
    Online since: Wed Apr 08 09:55:48 CEST 2026
    Reference number: 869250/1

    Test Engineer (m/f/d)

    Freelance/Contracting project
    Vienna
    • Deliver manual and automated testing services for web applications in a financial-services environment
    • Design and execute API testing and automation for backend and microservice architectures
    • Implement and maintain frontend test automation for web applications using Cypress
    • Support backend and integration testing across services, APIs and dependent systems
    • Perform end-to-end troubleshooting across web UI, backend services, and integrations
    • Execute mobile testing (manual and/or automated) as required by the engagement
    • Apply system-level testing approaches to identify cross-component issues
    • Integrate AI-based tools or methods into testing workflows to improve efficiency and quality
    • Work across web, backend, API, and mobile channels to ensure overall product quality
    Online since: Wed Apr 08 09:53:44 CEST 2026
    Reference number: 868156/1

    SAP SD/MM Expert (m/f/d)

    Freelance/Contracting project
    Vienna
    • Implement SAP SD/MM Template Rollout 
    • Lead the deployment of the standardized SAP SD and MM templates across global business units
    • Perform comprehensive configuration in SAP MM and SD modules to meet business needs
    • Design and validate MM and SD functional solutions with strong competence in materials management and foundational knowledge of warehouse management (WM)
    • Use debugging proficiency and basic ABAP programming knowledge to analyze issues, validate system behavior, and support custom development objects aligned with business needs
    Online since: Tue Mar 31 10:54:14 CEST 2026
    Reference number: 864269/1

    Senior full stack .NET developer with expertise in database technologies on Azure platform (m/f/d)

    Freelance/Contracting project
    Carinthia (Austria) & remote
    • Development of an AI-based agent for a standalone desktop application to support field technicians
    • Implementation of the solution in three development phases
    • Phase 1: Automated response to technical questions by the AI agent based on existing Customer data
    • Phase 2: Involvement of another technician if the AI agent cannot provide a sufficient answer
    • Phase 3: Creation of a troubleshooting ticket, involving multiple resources to resolve the issue
    • Full-stack development in a .NET environment on the Azure data platform
    • Working within an agile setup (no traditional waterfall model)
    • Close coordination with the Product Owner and QA engineers
    Online since: Wed Mar 25 11:02:56 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: 864753/1

    CAD PLM Expert for Teamcenter, NX and SAP S/4HANA (m/f/d)

    Freelance/Contracting project
    Styria (Austria), with short business trips to the UK and Hungary, plus remote work
    • Technical and administrative support of the global PLM system landscape with a focus on Siemens Teamcenter and SAP S/4HANA
    • Further development and international rollout of CAD/PLM solutions (NX, Teamcenter) as part of the global digitalization strategy
    • Execution of data migrations from legacy systems into new system environments as well as support during product phase-outs
    • Ensuring smooth system integration between Teamcenter, SAP S/4HANA, and connected CAD systems
    • Professional consulting and technical support for the specialist departments
    • Interaction with internal and external partners for the operational implementation of global rollout projects
    • Creation of technical documentation, execution of tests, and training of end users
    • Clear hands-on role – no architectural or strategic steering responsibilities
    Online since: Thu Mar 05 10:27:36 CET 2026
    Reference number: 857354/1

    IT Configuration Manager (m/f/d)

    Permanent employment with our customer
    Vienna
    • Establish, maintain, and continuously enhance the Configuration Management Database (CMDB)
    • Collaborate with Business Application Owners to define service trees and map infrastructure using ServiceNow Service Mapping
    • Ensure integrity, accuracy, and currency of all Configuration Items (CIs)
    • Define, implement, and enforce ITIL-aligned configuration policies, standards, and procedures
    • Align asset and configuration data in close cooperation with the Group Competence Center for IT Configuration Management
    • Support the integration of IT Asset Management and Configuration Management processes and tools
    • Work closely with Change Management, Incident Management, and the Service Desk
    • Conduct audits and process reviews, identify discrepancies, and drive corrective actions
    • Train, advise, and support IT teams on configuration management best practices
    • Contribute to ITSM improvement initiatives, especially in the areas of automation and tool integration
    Online since: Mon Jan 19 08:42:39 CET 2026

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