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    Reference number: 880523/1

    Mechanical Engineer (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Erlangen
    • Contribute to the execution of power plant projects within the mechanical engineering team, including decarbonized and hybrid solutions, with responsibility for mechanical subsystems such as cranes, lifting equipment, and elevators
    • Analyze customer contracts and technical requirements, prepare specifications and tender documents, and ensure proper implementation throughout the project lifecycle
    • Coordinate interfaces with other disciplines (e.g. steel structures, layout, electrical), align contractor activities with project and site requirements, and support overall project integration
    • Monitor and control contractors in terms of schedules, costs, and quality, including reviewing engineering, manufacturing, and quality documentation as well as participating in design reviews
    • Manage technical issues, perform troubleshooting, and support claim management and negotiations with suppliers and contractors
    • Support supplier qualification and development while ensuring proper reporting of engineering progress, deadlines, quality, and costs within the mechanical scope
    Online since: Tue Jun 09 15:46:12 CEST 2026
    Reference number: 880366/1

    Project Manager SAP S/4 Transformation (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Hilden
    • Act as a dedicated resource for the program management, providing immediate support in urgent and critical situations
    • Assist in resolving complex challenges that arise during the S/4HANA transformation
    • Collaborate with cross-functional teams, including IT, business units, and stakeholders, to develop effective solutions and mitigate risks
    • Proactively identify and address program issues and risks, working closely with project managers and stakeholders.
    • Facilitate problem-solving sessions and provide guidance to teams in resolving complex issues
    • Monitor the progress of issue resolution, track actions, and escalate to ensure timely resolution
    • Support program management in coordinating activities across various projects and workstreams within transformation program
    • Ensure alignment of project plans, schedules, and dependencies to maintain program integration and successful delivery
    • Facilitate effective communication and collaboration among project teams, ensuring transparency
    • Prepare and deliver regular reports to the program management, highlighting critical issues, status updates, and recommended actions
    Online since: Tue Jun 09 09:10:35 CEST 2026
    Reference number: 870523/1

    MuleSoft Developer (m/f/d)

    Freelance/Contracting project
    Remote
    • Development and maintenance of integrations and APIs using MuleSoft
    • Design and implementation of RESTful APIs
    • Develop and implement event-driven architectures
    • Build and secure APIs (e.g., using JWT authentication)
    • Write and maintain automated tests (especially with mUnit)
    • Contribute to and optimize CI/CD pipelines (GitHub workflows, pull requests, branching strategies)
    • Optimize performance, scalability and reliability of integration solutions
    • Evaluate and introduce new integration technologies 
    • Support error analysis, debugging, and troubleshooting
    Online since: Mon Jun 08 16:54:21 CEST 2026
    Reference number: 879564/1

    Scrum Master (m/f/d)

    Freelance/Contracting project
    Remote
    • Contribute Scrum Master expertise to enable two agile software development teams
    • Provide expertise and improve the effective execution of Scrum ceremonies
    • Advise teams on Agile and Scrum best practices in an external consulting capacity
    • Identify, track, and highlight impediments impacting delivery and propose mitigation measures, including: missing system or application access, environment and infrastructure issues, release and deployment blockers, test data or test environment issues, dependencies on other teams, vendors or OSS/BSS systems
    • Provide recommendations for coordinating cross-team dependencies
    • Contribute insights on delivery optimization, risk management and continuous improvement
    • Promote transparency regarding progress, blockers and delivery risks
    • Delivery enablement within a complex OSS and legacy application environment
    Online since: Mon Jun 08 16:33:50 CEST 2026
    Reference number: 880276/1

    XRF Application Specialist (m/f/d)

    Freelance/temporary employment for a project
    Cheseaux sur Lausanne
    • Provide technical support and handle WDXRF for demonstrations with customers
    • Manage analytical reports, interactions and follow-up
    • Develop and renovate WDXRF applications according to established pipeline based on market trends and opportunities, propose and develop new WDXRF applications
    • Establish, build and update XRF application-related sales and marketing materials, such as application notes
    • Respect and optimize sample management procedures and support corporate and local quality initiatives
    • Maintain preparation and analytical equipment according to procedures and guidelines
    • Observe quality hygiene and safety rules in all laboratories and demo areas
    Online since: Mon Jun 08 15:59:58 CEST 2026
    Reference number: 880277/1

    Global Pricing Manager (m/f/d)

    Freelance/temporary employment for a project
    Zurich
    • Execute global pricing strategy for a late-stage launch
    • Develop and roll out tiered pricing guidance to affiliates
    • Collaborate cross-functionally (Market Access, HEOR, Commercial, Medical)
    • Monitor market, policy and competitive developments
    • Conduct international reference pricing analyses
    Online since: Mon Jun 08 15:57:28 CEST 2026
    Reference number: 878648/1

    Digital Media and Campaign Manager Benelux (m/f/d)

    Freelance/Contracting project
    Remote
    • Manage commercial campaign activities, including briefing creation, information exchange, and project tracking
    • Prepare meeting summaries and ensure clear tracking of ownership and next steps
    • Ensure strong governance across markets and the Benelux cluster, proactively identifying risks (e.g. missed deadlines, off-brief deliverables) and managing or escalating issues accordingly
    • Track and manage production plans, including: Identifying missing information, aligning specifications with the local media agency and monitoring timely material delivery
    • Create campaign planning overviews and support ad hoc media analyses 
    • Support the development of standardized market media updates, including: Post-campaign analyses, competitive reporting and additional performance insights
    Online since: Mon Jun 08 15:47:12 CEST 2026
    Reference number: 880270/1

    Senior Scientist BCQC (m/f/d)

    Freelance/temporary employment for a project
    Lengnau, Berne
    • Support the Bio-/ Chemical Quality Control (BCQC) department unit within the site including site project timelines
    • Participate in the transfer, development and validation of analytical methods including qualification of equipment needed for analysis
    • Actively contribute to the GMP Inspection Readiness of QC to ensure the fully compliance of relevant quality system and procedural documents
    • Actively contribute to the QC operational readiness managing projects (external and internal) and the assigned resources (including coordination and planning of people daily tasks) with regards to the controlled substances (as per ref. to Betäubungsmittelgesetz, BetmG 812.121)
    • Approve Purchase Order Requests and authorize the consumption for testing purposes limited to the actual required quantities on behalf of the Responsible Person
    • Act on behalf of the Responsible Person for controlled substances (as per ref. to Betäubungsmittelgesetz, BetmG 812.121)
    Online since: Mon Jun 08 15:37:45 CEST 2026
    Reference number: 878263/1

    Senior Transaction Manager Loans (m/f/d)

    Permanent employment with our customer
    Frankfurt am Main
    • Identify and collate all information required to on-board a new debt facility and review and negotiate the Finance Documents (Facilities Agreement, Intercreditor Agreement, Security Documents, etc. in close coordination with internal and external legal teams
    • Work in close cooperation with all deal participants including legal counsels, compliance, sponsors, borrowers, lenders and debt advisers
    • Handle amendments, additional facilities, ancillary facilities and other post-closing activities
    • Managing secondary debt trades / lender transfers, and ad-hoc request
    • Managing additional utilisations, roll-overs and prepayment requests
    • Managing waiver and consents requests and loan amendments and arranging for Lender voting
    • Monitoring Loan covenants and Margin rachets
    • Ensuring timely updating of internal systems and processes
    Online since: Mon Jun 08 15:24:41 CEST 2026
    Reference number: 880230/1

    Senior Python Backend Engineer (m/f/d)

    Freelance/Contracting project
    Vienna
    • Develop and maintain backend web services for an AI-powered conversational system
    • Design and implement REST APIs (FastAPI or similar), including OpenAPI-based service contracts
    • Apply schema and data validation (e.g., Pydantic or comparable approaches)
    • Ensure high code quality through testing (pytest) and CI pipelines
    • Collaborate via Git/GitHub workflows, including code reviews
    • Implement and maintain clean, layered backend architectures with dependency injection
    • Ensure observability through metrics, tracing, and structured logging
    • Support containerized deployments using Docker and Kubernetes
    • Contribute to LLM-based application components (e.g., agent frameworks, prompt engineering, output evaluation)
    • Apply production-ready engineering practices in a regulated/enterprise environment
    Online since: Mon Jun 08 12:01:57 CEST 2026
    Reference number: 880125/1

    Strategic Communications & Execution Lead (m/f/d)

    Freelance/temporary employment for a project
    Zug
    • Design and maintain a holistic map of meeting structures, reporting cycles, and governance ritual
    • Define the "Project Infrastructure," including stakeholder lists and high-level roadmaps, to ensure scalability
    • Assume end-to-end responsibility for "Living Assets" (G-Site, Playbooks, FAQs), including quarterly reviews
    • Lead the end-to-end execution of the monthly newsletter, from content hunting to distribution
    • Drive bi-weekly and monthly reporting enablement, aggregating progress for leadership status updates
    • Translate technical milestones into inspirational "Success Stories" for the global community
    • Define and publish a "Holistic Scenario Map" linking development milestones to training assets and videos
    Online since: Fri Jun 05 15:44:48 CEST 2026
    Reference number: 880211/1

    Back-End Java Developer (m/f/d)

    Freelance/temporary employment for a project
    Zurich
    • Design and evolve robust distributed systems, balancing scalability, latency, consistency, and fault tolerance
    • Apply distributed systems principles (e.g. consistency models, idempotency, back-pressure, resiliency patterns) to real-world financial workloads
    • Develop and maintain high-performance backend services and APIs using Java, Spring, and Spring Boot
    • Optimize end-to-end latency, asynchronous processing, and efficient IO
    • Identify and resolve performance bottlenecks through profiling, benchmarking, and load testing
    • Integrate complex financial platforms and third-party services, ensuring correctness, data integrity, and operational resilience
    • Design reliable messaging and integration flows using JPA, JDBC templates, JMS, and event-driven patterns
    • Code Quality and Best Practices: Write clean, maintainable, and efficient code while adhering to industry best practices, including code reviews, testing, and CI/CD
    • Apply financial-grade engineering principles (auditability, security, controlled change)
    • Collaboration: Work closely with product managers, designers, and other stakeholders to gather requirements and translate them into technical specifications and deliverables
    Online since: Fri Jun 05 15:44:21 CEST 2026
    Reference number: 880207/1

    Senior Front-End React Developer (m/f/d)

    Freelance/temporary employment for a project
    Zurich
    • Take ownership of complex frontend solutions, ensuring scalability, performance, security, and long-term maintainability
    • Partner closely with UX/UI designers and business stakeholders to translate complex requirements into intuitive, high-quality user experiences
    • Deliver high-quality, production-grade React and TypeScript code for complex financial applications
    • Address advanced frontend challenges such as state management, performance optimization, and integration with distributed backend systems
    • Proactively refactor and modernize existing codebases where required
    • Support troubleshooting and root-cause analysis in both development and production environments
    • Contribute actively in an agile, fast-paced, and highly collaborative environment
    Online since: Fri Jun 05 15:42:59 CEST 2026
    Reference number: 880114/1

    Java Architect for GIS project (m/f/d)

    Freelance/Contracting project
    Vienna
    • Assess and challenge the existing microservices architecture (service boundaries, APIs, data ownership)
    • Identify architectural risks, bottlenecks, and anti-patterns and define improvement measures
    • Review and optimize Java-based APIs with a focus on scalability, resilience, and quality
    • Evaluate event-driven data flows and system integrations (latency, idempotency, reliability)
    • Support and validate the decoupling of legacy Oracle/JDBC dependencies
    • Create, refine, and maintain architecture documentation (e.g., Arc42, DACI)
    • Act as a technical authority and sparring partner for architects and engineering teams
    • Conduct code and solution reviews and provide clear technical guidance
    • Advise developers and enforce best practices and quality standards
    Online since: Fri Jun 05 15:42:23 CEST 2026
    Reference number: 880011/1

    Senior Techn. Cutover Manager | S/4HANA Big Bang (m/f/d)

    Freelance/Contracting project
    Berlin
    • Building a robust and scalable cutover strategy
    • Developing a sustainable cutover governance framework
    • Creating, aligning, and quality-assuring integrated cutover plans
    • Acting as a sparring partner to the Technical Cutover Lead
    • Reviewing and challenging existing planning approaches critically and constructively
    • Ensuring high transparency regarding dependencies, risks, and critical paths
    • Supporting a successful Big Bang go-live preparation and execution
    Online since: Fri Jun 05 15:41:20 CEST 2026
    Reference number: 880029/1

    Planning Engineer (m/f/d)

    Freelance/temporary employment for a project
    Aargau
    • Management and update of the master Primavera P6 schedule at various levels and Progress tracking and measurement of engineering, procurement, construction and Commissioning delivery using various tools
    • Maintenance of schedule basis documents such as deliverable and interdependency matrices as well as Lead or assist cross-functional teams in interactive planning sessions and drive
    • Inputs to the schedule in accordance with site and project planning procedures and Monitor schedule deviations and variances and assist in the developing of alternative methods for corrective action
    • Communicate progress and key milestones to all relevant stakeholders
    • Prepare and provide schedule progress reports, critical path analysis, trending chartsand schedule analysis on a periodic basis
    • Responsible for schedule quality and governance and to ensure credibility of theinformation contained in the schedule
    • Active involvement in analysis of the integrated project schedules from each discipline
    • Review schedules with project team members on a regular basis to ensure that accurate and timely data is Incorporated in the schedule
    • Prepare reports in accordance with Lonza procedures and as required by Project Management, to provide status on the project schedule and critical project issues
    Online since: Fri Jun 05 14:35:03 CEST 2026
    Reference number:
    Hays internal

    Reward Analyst (m/f/d)

    Internal career at Hays
    Düsseldorf, Frankfurt/M., Mannheim, Stuttgart
    Online since: Wed Jun 03 14:33:10 CEST 2026
    Reference number: 874055/1

    Senior Power Electronics Engineer (m/f/d)

    Permanent employment with our customer
    Denmark
    As Senior Power Electronics Engineer, you will take ownership of electronics development across the full product lifecycle—from early concept and design to validation, production, and optimization.

    You will work in a multidisciplinary R&D environment, contributing to both detailed design and system-level solutions. This is a deeply technical, hands-on role with high ownership. The role is based in Birkerød, Denmark and reports to the Team Lead – Electronics.

    Key responsibilities:
    • Design and develop power electronics for laser systems across the full product lifecycle
    • Own technical work packages and ensure delivery within scope, timeline, and quality targets
    • Develop system-level electronics architectures and design concepts
    • Collaborate closely with experts in optics, mechanics, and system design
    • Create reference designs to support scalability and standardization
    • Support manufacturing, custom solutions, and product improvements
    • Ensure compliance with relevant industry standards and certification requirements

    What you will be doing (in practice)
    • Working on low-volume, high-margin, high-complexity systems
    • Translating unclear or evolving customer requirements into robust technical solutions
    • Contributing to both detailed circuit design and overall system performance
    • Taking ownership of solutions from idea ? design ? validation ? production
    Online since: Mon May 11 11:47:25 CEST 2026
    Reference number: 874064/1

    Team Lead Electronics (m/f/d)

    Permanent employment with our customer
    Denmark
    As Team Lead – Electronics, you will lead a team of engineers while remaining actively involved in design, simulation, and system-level decisions.

    This is a leadership role for engineers who want to stay deeply involved in technology while taking ownership of team direction — not a step away from engineering, but a step further into it.

    The role reports into the Engineering Manager within R&D and is based in Birkerød, Denmark.

    You will:
    • Lead a team of 4–6 power electronics engineers (with expected growth)
    • Operate in a ~80/20 split between hands-on engineering and leadership
    • Act as technical authority within power electronics
    • Drive alignment and quality across multiple R&D projects

    Key responsibilities:

    Leadership & Team Development
    • Lead, coach, and develop a team of power electronics engineers
    • Build and scale the team through hiring and onboarding
    • Foster a high-performance, accountable, and collaborative environment

    Technical leadership & direction
    • Set direction for power electronics architecture and design decisions
    • Guide development of DC/DC converters and system-level electronics (100W–10kW)
    • Review and challenge technical solutions to ensure robustness and scalability
    • Drive prioritisation and alignment across multiple R&D projects

    Execution & delivery
    • Contribute hands-on to design, simulation, and validation
    • Ensure delivery across performance, quality, and timelines
    • Support fast decision-making in an agile, innovation-driven environment

    What you will be doing (in practice)
    • Leading a team working on low-volume, high-margin, high-complexity systems
    • Translating unclear or evolving requirements into structured development
    • Making key technical decisions impacting system architecture and performance
    • Supporting both deep technical problem-solving and team development
    Online since: Mon May 11 11:27:25 CEST 2026
    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
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