freelance English-speaking jobs in Bielefeld

Leads and develops a service team, ensuring technical, commercial, and organizational service processes are effective. Manages regional service networks, trains partners, and analyzes markets to improve service quality. Requires a degree in engineering or comparable qualification with service experience and strong leadership skills.

Support Business Intelligence initiatives with real impact on sales strategy and product planning. Develop and enhance sales data segmentation tools, analyze large datasets, and collaborate with sales, marketing, and product management teams.

Software Engineer (Java & or Angular) needed for a mid-level role. Design, implement, and ship production-grade features across Java/Spring Boot backend and Angular frontend. Collaborate with a cross-functional product team and contribute to product discussions.

Senior SAP TM Consultant needed for Explore phase of SAP implementation project. Strong SAP Activate experience, GAP analysis, and Business Blueprint creation required. Must be fluent in German and have industry experience in the food sector.

PLC Development and Support Engineer will design Beckhoff PLC programs (TwinCAT3) and safety programs (TwinSAFE). The role involves testing, commissioning, and supporting installed systems, as well as analyzing technical requirements and specifications.

As the Chief of Staff to the CFO of Deutsche Börse Group, you will act as a trusted partner, driving innovation and managing a team of AI agents. You will oversee strategic agenda management, group governance, CFO operating system, coordination, events, communication, network management, and transformation initiatives.

Project Manager will organize and lead technical workshops and events focused on space technologies and their commercial applications. The role involves mentoring startups, supporting ESA BIC management in startup selection, and representing ESA BIC Baden-Württemberg externally.

Powerlines Group seeks a (Senior) Manager Corporate M&A & Origination to support growth initiatives in Central and Northern Europe. This role will identify, analyze, and execute mergers, acquisitions, partnerships, and strategic investments.

Founding Engineer (Backend/Platform & LLM) to build and evolve a Python/FastAPI backend, implement LLM orchestration pipelines, and own the reliability of production systems. Requires 6-10+ years of experience as a senior backend engineer with strong Python, FastAPI, Postgres, and LLM experience.

As Chief Financial Officer (CFO), you will ensure the financial stability and development of GBG Forschungs GmbH. You will manage the finance department, oversee accounting, project controlling, budgeting, and cash management. You will also develop and implement a digital controlling and consolidation tool.

Pulse Advertising seeks driven and passionate individuals to join their team. Apply for open positions in London, Milan, Paris, Berlin, and Hamburg. Submit your CV and a brief introduction answering fun fact, ice cream flavor, and why you're a perfect match questions.

Sales Manager / Key Account Manager for digital solutions in the mining sector. Develop and implement commercial strategy for the German market. Support clients in optimizing their use of products and achieving objectives. Minimum 5 years' experience in a technical position within quarry or mining operations. Fluent in German, with proficiency in French or English.

Ensures stable operation and continuous development of IT landscapes in warehouse environments. Implements, operates, and optimizes IT services and solutions for warehouses. Acts as a central point of contact for complex support and operational topics.

As a Visual Commercial, you will design displays, interpret trends, and bring Zara collections to life in our Constance store. You will work with the team to implement visual standards and support commercial decisions.

Nexi seeks an ISV Partner Account Manager Growth to develop newly signed Software Vendor partnerships into sustainable, high-performing revenue engines. This role involves leading commercial and operational development across the entire partner lifecycle, from onboarding and technical integration to joint go-to-market and revenue ramp-up.

System Engineer responsible for the operation and development of Citrix services for the Bundeswehr. Focus on Citrix ADC (NetScaler) platform, load balancing, GSLB, gateway, and SSL/TLS. Automation experience (Terraform or Ansible) and 2nd/3rd level support required. ITIL Foundation certification and German C1/English B1 fluency necessary.

Execute test cases for web and mobile applications, build automated tests with Playwright, and identify and track defects. Collaborate with cross-functional teams to ensure high-quality outcomes. Requires QA experience, Playwright proficiency, and strong communication skills.

SAP Key User Finance (m/f/d) needed for Accounts Receivable Department. Translates business requirements into technical system needs, manages system maintenance, and supports development and implementation of IT solutions. Requires experience in finance and IT, proficiency in SAP ECC and S/4HANA, and strong analytical and communication skills. Fluency in English is essential.

Senior Power BI Consultant will develop Power BI implementation roadmaps, enhance dashboard aesthetics, and provide consulting services to clients. Requires 5+ years of Power BI experience, client-facing consulting experience, and proficiency in Power Query and DAX.

Develops international and global partnerships to drive revenue growth and profitability. Analyzes markets and partner portfolios to identify new business opportunities and negotiate partnership agreements. Tracks revenue KPIs, implements sales optimization strategies, and coordinates global revenue initiatives.