Development and maintenance of backend services in a microservices architecture using Go (Golang) for a technology company. - Typical responsibilities: Designing and implementing RESTful APIs, connecting to databases (SQL/NoSQL), developing high-performance and scalable microservices, writing unit and integration tests, conducting code reviews, contributing to the architecture and design of the system landscape, deploying and operating services in a cloud environment. - Relevant technologies, tools or methods: Go (Golang), Docker, Kubernetes, AWS/GCP/Azure, PostgreSQL/MongoDB, gRPC, Git, CI/CD pipelines (e.g. with GitLab CI, Jenkins), Prometheus, Grafana. - Industry-specific KPIs or success metrics: API response times, system availability (uptime), error rate, scalability under load, code coverage by tests. - Key challenges, risks or specifics: Ensuring consistency in a distributed system, handling concurrency, performance optimization, managing dependencies between services. - Concrete examples of deliverables: Operational and documented microservices, API documentation (e.g. with Swagger/OpenAPI), established CI/CD pipelines, unit and integration tests, technical architecture diagram.

Design and build a modern data platform in the Azure Cloud for an e-commerce company. Implementation of scalable data pipelines and a lakehouse architecture. - **Typical tasks:** - Design and implementation of ETL/ELT processes with Azure Data Factory/Databricks. - Setup and management of data infrastructure (Data Lake, Synapse). - Development of data models and ensuring data quality. - Automation of deployments using IaC (Terraform). - Performance tuning and coordination with stakeholders. - **Relevant technologies, tools & methods:** - Azure Data Factory, Synapse, Databricks, Data Lake Storage. - Apache Spark, Delta Lake. - Python (PySpark), SQL. - Terraform, Azure DevOps. - **Typical KPIs & success metrics:** - Data latency, pipeline uptime (>99.9%), query performance, cost efficiency. - **Key challenges & risks:** - High data volumes, GDPR compliance, avoiding data silos. - **Deliverables:** - Production-ready data pipelines, structured data lake/warehouse, IaC scripts, technical documentation.

A consulting firm is urgently seeking an experienced freelancer to fill a vacancy due to a resignation. The main goal of the project is to migrate the existing on-premises print servers to a cloud-based printing infrastructure using Canon uniFLOW Online and Microsoft Universal Print. The role includes performing the migration as well as potentially supporting the existing on-premises printing environment during the transition. Optionally, the role may also encompass ongoing support and administration after the migration until a permanent placement is found. - Perform the migration of on-premises print servers to Canon uniFLOW Online and Microsoft Universal Print - Support the existing on-premises printing environment during the transition - Optional: ongoing support and administration after the migration until the role is permanently filled

For a project in the power plant environment, a freelance specialist for the migration and adaptation of the ABB 800xA control system is urgently sought. - Typical tasks in this role:** - Implementation of programming and commissioning with the ABB 800xA process control system. - Migration of existing control system logic to the new system version, including adaptation of controllers and I/O modules. - Creation and adaptation of process displays, operator interfaces, and alarm management configurations. - Execution of system tests, error analysis, and performance optimizations to ensure plant availability and controllability. - Technical support for operations personnel during the commissioning and ramp-up phase. - Preparation and maintenance of technical documentation (functional diagrams, configuration descriptions, test protocols). - Close collaboration with the process engineering, electrical engineering departments, and the plant operator. - Relevant technologies, tools or methods:** - Control system: ABB Ability™ System 800xA (including AC 800M controller, Information Management, Batch Control). - Engineering tools: Control Builder M, Process Graphics Migration Tool, Bulk Data Manager. - Fieldbus systems: PROFIBUS, Foundation Fieldbus, Modbus. - Virtualization: VMware, Hyper-V for test and development environments. - Databases: SQL knowledge for analysis of historical data (e.g. 800xA History). - Knowledge of relevant standards for process and power plant technology (e.g. IEC 61508, IEC 61511). - Typical KPIs or success metrics:** - Migration speed: number of migrated system components/functions per week/month. - System availability: control system uptime after migration > 99.9%. - Commissioning error rate: number of critical software bugs after go-live < 5. - Test coverage: percentage of successfully executed and documented test cases > 95%. - Adherence to project schedule: completion of migration and commissioning by the defined deadline. - Operator acceptance: positive feedback from operations personnel on the new system environment. - Specific challenges, risks or peculiarities:** - Migration during live operation (“brownfield”) with minimal downtime. - Ensuring compatibility between old and new system components (hardware/software). - High complexity of process logic in power plants (e.g. boiler control, turbine regulation). - Risk of cybersecurity vulnerabilities in networked control systems (e.g. CVEs for 800xA). - Management of interfaces to third-party systems (e.g. MES, ERP). - Need for intensive and precise collaboration between control engineering, process engineering, and operations. - Concrete deliverables:** - Migrated and operational control logic on the target system. - Fully tested and customer-approved process displays and operator interfaces. - Acceptance protocols for Factory Acceptance Test (FAT) and Site Acceptance Test (SAT). - Updated technical plant documentation. - Final migration report with lessons learned. - Trained operations personnel.

A company is looking for an experienced MES consultant focusing on Hydra X from MPDV to support the expansion of the system to additional sites. The system is already rolled out at one site and is now to be further scaled. The role includes supporting the introduction of new functions or versions of the system, implementing system adjustments and optimizations based on production requirements, as well as accompanying the rollout. The consultant will work closely with internal teams and external service providers to ensure the rapid identification and resolution of issues in the MES system. - Support in the introduction of new functions or versions of the system - Implementation of system adjustments and optimizations based on production requirements - Assistance with the rollout to additional sites - Rapid identification and resolution of problems in the MES system

As part of the further development of reporting and analytics capabilities in the area of Business Continuity Management (BCM), the existing BI landscape is being migrated from Tableau to Microsoft Power BI. The goal is to build a future-proof, scalable data warehouse that provides a consolidated data foundation for enterprise-wide analyses. At the same time, existing reporting functionalities and automations in the HiScout standard software are to be analyzed and adapted with regard to new requirements. - **Consulting**: Advising on the architecture and building of a data warehouse based on Microsoft technologies (SQL Server, Power BI) - **Migration**: Consulting on the migration of existing reports and dashboards from Tableau to Power BI - **Data Analysis**: Analysis of existing data sources and design of suitable ETL processes - **Automation**: Integration and automation of data sources - **Requirements Analysis**: Conducting requirements analyses and creating technical concepts for reporting adjustments in HiScout - **Reporting**: Implementation and testing of reporting adjustments in HiScout - **Documentation**: Quality assurance and documentation of the work performed - **Training**: Consulting on the creation of training materials and knowledge transfer to internal teams

Setting up and further development of a Customer Data Platform (CDP) to optimize digital marketing campaigns. The goal is to create a 360-degree view of the customer. - Typical areas of responsibility: conceptualizing the CDP strategy, defining use cases, integrating data from various sources (CRM, web analytics, email marketing), segmenting target audiences, setting up and monitoring personalized marketing automation workflows, performance analysis and reporting. - Relevant technologies, tools or methods: CDP systems (e.g. Segment, Tealium, mParticle), CRM systems (e.g. Salesforce), web analytics tools (e.g. Google Analytics), email marketing tools, A/B testing frameworks, SQL, data visualization tools (e.g. Tableau). - Industry-typical KPIs or success metrics: conversion rate, customer lifetime value (CLV), churn rate, marketing ROI, engagement rate, number of customer profiles captured in the CDP. - Special challenges, risks or specifics: ensuring GDPR compliance, data quality and harmonization, complex system integrations, building internal know-how, platform scalability. - Concrete examples of deliverables: implemented and configured CDP, documentation of data flows and use cases, deployed automation campaigns, regular performance dashboards, training materials for the marketing team.

Within the scope of a digitization initiative, software quality is to be ensured and improved through modern testing, analysis, and review procedures. The goal is to increase development quality and efficiency through strategic measures and coaching. - Definition, monitoring, and improvement of test coverage strategies for critical software components. - Organization and execution of code reviews in compliance with coding standards, architectural, and security requirements. - Setup, execution, and evaluation of SonarQube analyses, as well as coordination of the remediation of technical debt and security vulnerabilities. - Training and support of developers in Clean Code, TDD, and CI/CD practices. - Evaluation and continuous further development of QA processes, tools, and metrics.

A company is looking for an experienced expert with comprehensive knowledge of License Manager, Inventory Server, and Integration Manager. The project’s goal is to optimize and integrate existing systems and ensure that all processes run efficiently and smoothly. In this role, the expert will work closely with internal teams to analyze requirements, implement solutions, and monitor the systems. Key responsibilities: - Analyzing and optimizing existing systems (License Manager, Inventory Server, Integration Manager) - Integrating new processes and tools - Collaborating with internal teams for requirements analysis - Ensuring system efficiency and security - Documenting and training teams

A company is seeking a Specialist/Consultant in system testing for special purpose machinery development. The System Test and Qualification group performs system tests in development projects, including testing individual components, machine modules and software releases. Responsibilities also include defining and conducting acceptance tests. The project’s objective is to support the detailed planning of test tasks, creation and optimization of test case specifications, as well as conducting integration and functional tests. All activities are performed on-site in the lab on machine systems. - Detailed planning of test tasks - Creation and optimization of test case specifications - Conducting integration and functional tests - Execution of test cases (Black Box, Use Case, Fail Case Tests) - Documentation and preparation of test results in the test management tool and MS Office - Fault analysis and communication with developers (directly in the lab and via MS Teams) - Coordination with project management and the test manager

A company is looking for a specialist site manager for electrical engineering as well as a specialist site manager for control engineering (Siemens T3000) for a demanding project. The aim of the project is the technical monitoring and control of the control system interfaces of the existing plant during the integration of the new plant, as well as ensuring quality and contract compliance during the construction and commissioning phase. The role requires intensive coordination and monitoring of interfaces with construction planning due to the size of the project. The site manager will work closely with control engineers, planners, experts and contractors to ensure the successful implementation of the project. Key responsibilities: - Technical monitoring of the control system interfaces of the existing plant during the integration of the new plant - Technical management of control engineers, planners, experts and contractors - Preparation of technical and project phase–dependent documentation - Participation in project meetings and negotiations - Technical management of quality assurance and quality control during the construction and commissioning phase - Consulting on control system commissioning - Technical coordination with design engineers on quality monitoring tasks - Monitoring contract compliance and conducting quality inspections - Participation in safety meetings and implementation of measures to address identified deficiencies

Setup and further development of a test automation suite for the core applications of a large insurance company to increase release speed and quality. - **Typical Tasks:** - Analysis of test processes and identification of automation potential. - Selection, configuration, and implementation of automation frameworks. - Development and maintenance of automated test scripts. - Integration of tests into CI/CD pipelines (Jenkins, GitLab). - Test data management and reporting. - **Relevant Technologies, Tools & Methods:** - Selenium, Cypress, Playwright, Tosca, Postman. - Java, Python, JavaScript. - TestNG, JUnit, Cucumber. - Jenkins, GitLab CI, Docker, Jira. - **Typical KPIs & Success Metrics:** - Automation rate (>70%), reduction of test execution time, defect detection rate. - **Key Challenges & Risks:** - Complex legacy UIs, stable test data management, maintainability of scripts. - **Deliverables:** - Documented test automation framework, automated test suite, CI/CD integration, test reports.

For the further development of a complex ServiceNow platform, a developer specializing in the middle layer is sought. The focus is on implementing business logic, integrations, and processing data between the frontend and backend systems. - **Typical areas of activity:** - Design and development of server-side business logic in ServiceNow using Business Rules, Script Includes, and Workflows. - Designing, implementing, and maintaining REST- and SOAP-based integrations with third-party systems (e.g., SAP, Jira, HR systems) via IntegrationHub or custom scripts. - Developing and optimizing data flows and transformations within the platform. - Performance analysis and optimization of server-side scripts and database interactions. - Ensuring platform stability and security through robust and error-resistant coding. - **Relevant technologies, tools, or methods:** - ServiceNow platform: in-depth knowledge of the Glide API (GlideRecord, GlideSystem), server-side scripting (JavaScript ES5). - Integrations: IntegrationHub (Spokes), REST/SOAP API Explorer, JSON, XML. - Automation: Flow Designer, Workflow Editor. - Development tools: ServiceNow Studio, VS Code with ServiceNow plugins. - Methodology: Agile (Scrum), use of Update Sets and Application Scopes for deployment. - **Typical KPIs or success metrics:** - Transaction response times for critical middle-layer processes. - Error rate in API calls and integrations (< 1%). - Success rate of automated workflows. - Code complexity (e.g., measured via SonarQube integration). - Adoption rate of new functionalities enabled by the middle layer. - **Specific challenges, risks, or specifics:** - Complexity of dependencies between various ServiceNow modules and external systems. - Ensuring scalability with high transaction volumes. - Debugging asynchronous processes and integrations. - Adhering to ServiceNow best practices to avoid jeopardizing platform upgradability ("out-of-the-box" vs. customizing). - **Concrete deliverables:** - Implemented and tested Script Includes and Business Rules. - Fully configured and documented integrations in IntegrationHub. - Technical documentation of developed logic and data flows. - Completed Update Sets, ready for deployment to the production environment. - **Lessons learned/best practices:** - Encapsulate reusable logic in Script Includes instead of duplicating it in multiple Business Rules. - Prefer asynchronous Business Rules for long-running operations to avoid blocking the user experience. - The Flow Designer is preferred over the classic Workflow Editor for new automations.

A company is seeking a skilled Embedded Linux Engineer to support the rollout and commissioning of new hardware modules at a leading technology manufacturer. The role involves hardware-related software development, device driver programming, and direct troubleshooting with hardware teams on-site. Typical project responsibilities: - Develop and adapt Linux device drivers for custom hardware modules - Kernel customization, system integration and performance optimization of Embedded Linux systems - Conduct unit and integration tests on target hardware - Work closely with hardware development for debugging and failure analysis - Document software architectures and implementations for internal knowledge transfer - Support the deployment of the modules in production environments Key technologies/tools/methodologies: - Embedded Linux (Yocto/Buildroot), C/C++, shell scripting - Debugging tools: JTAG, gdb, logic analyzers - Version control (Git), CI/CD for embedded projects KPIs/Success Metrics: - On-time commissioning of modules, system uptime/MTBF, error rate in field use, stability under resource constraints Special challenges/risks: - Hardware/software integration under time pressure, managing resource limitations on embedded devices Deliverables: - Ready-to-use hardware modules with tested Linux firmware - Complete project and code documentation, transfer of know-how to client teams Lessons Learned/Best Practices: - Intensive cross-team collaboration, early integration testing, automated regression testing and code reviews

For a public client project, a civil engineer (m/f/d) is sought to represent the client. The project includes the development and rehabilitation of roads, sidewalks, street lighting, and bus stops. - Typical responsibilities in this role:** - Taking over the non-delegable client duties according to the AHO series, including defining objectives, budget responsibility, and making fundamental decisions. - Steering and coordinating external engineering firms, expert assessors, and contracting construction companies. - Ensuring compliance with procurement law (VOB/VgV), building law, and relevant technical standards (e.g., DIN, ZTV). - Carrying out cost and schedule control as well as risk management across all project phases (according to HOAI). - Quality assurance on site, organizing construction meetings, and conducting inspections. - Reviewing claims for additional compensation and invoices. - Regular reporting to the department management and political committees; ensuring transparency and traceable documentation. - Relevant technologies, tools, or methods:** - CAD/BIM software: Autodesk Civil 3D, Revit, AutoCAD. - Tendering, contracting, invoicing (AVA): RIB iTWO, ORCA AVA. - Project management & control: MS Project, Projektron BCS, Asana. - Construction management & documentation: PlanRadar, Capmo. - In-depth knowledge of VOB/B, VOB/C, and HOAI. - Typical KPIs or success metrics:** - Budget compliance: deviation from the approved budget < 10%. - Schedule adherence: meeting milestones (design completion, construction start, completion) with < 5% delay. - Quality: low defect rate at acceptance (< 5% of trades with significant defects). - Citizen satisfaction: minimal number of justified citizen complaints during the construction phase. - Legal security: number of successfully defended additional claims or legal disputes. - Special challenges, risks, or specifics:** - Dealing with unforeseen ground conditions and contaminated sites. - Complex and lengthy approval processes involving various public interest bodies. - Strict budget constraints and political pressure in case of cost overruns. - Managing residents' interests and public communication. - Challenges due to skilled labor shortages and supply chain bottlenecks in the construction industry. - Concrete deliverables:** - Completed and approved design and execution planning. - Successfully conducted tendering procedure with signed construction contracts. - Documented construction inspections according to VOB. - Final project documentation and audited final invoices. - Final report for senior management and political committees.

The ProMi Squad (Process Mining) project aims to transparently map the end-to-end order process in the portals area. Relevant data sources from ordering to activation are consolidated for this purpose. The holistic view of the end-to-end process enables the identification of process deviations and optimization potentials. Key milestones of the project are the integration of the required data sources, the development of self-service reports, and the implementation of automated alerts for deviations in the process flow. The challenge lies in the technical and functional integration of heterogeneous systems and data streams to ensure consistent monitoring and control of the order process. ⸻ Service description - Analysis and documentation of requirements in the omnichannel area using requirements management tools and structured elicitation methods - Functional and technical analysis of existing data sources and ETL processes using database tools - Recording and evaluation of existing interfaces between source and target systems based on technical documentation - Consulting on the technical integration of defined data sources into the Celonis environment, taking into account the tools used (Celonis EMS, Data Pool, and Data Push API) - Creation of technical queries and representations for process visualization based on the provided platform functions (Celonis PQL, Studio) - Use of system functions for visualization and analysis of existing business processes (via the Celonis Process Explorer) - Functional consulting on technical interfaces, data provisioning, and system prerequisites

- Collaborate in the software development process in the field of process automation and word processing - 3rd level support - Participate in the analysis of software requirements in an agile development environment

- Customizing / parametrization of the core banking system according to the requirements of the business division - Maintaining ongoing operations - Initial and further training of internal staff

- IT project manager activities - Interface / bridging function between business domain and technology, hence the required compelling subject matter expertise.

For an external assignment at an end customer in the public sector, we are looking for your expertise in Fortigate/Fortinet. The project takes place within an existing operational environment, in the context of renewing the firewall or updating the firewall systems and security landscapes. Tasks - Configuration and operation of Fortinet products, particularly Fortigate firewalls - Integration into existing systems with many firewalls - Processing and implementation of firewall requests - Communication with internal units in data centers - Participation in patch days (quarterly)