freelance English-speaking jobs in Bielefeld

As an Analog IC Design Engineering Intern, you will design, model, and document analog circuits for TI products in areas like automotive, storage, and power supply. You will partner with design teams and provide analysis on design architecture trade-offs.

Research Assistant (m/f/d) for a 3-year limited-term position at the Professorship for Experimental Physics and Material Science. The research focus is on microstructuring optical materials for integrated photonics, waveguide lasers, optical frequency conversion, and optomicrofluidics. Responsibilities include independent design, fabrication, and experimental investigation of microfluidic systems based on lithium niobate.

Senior Research Engineer to design, develop, and maintain AI-powered Natural Language Understanding (NLU) systems for automotive and mobility markets. Develop LLM based data generation and refinement methods, dictionaries, grammar rules, and annotations.

Lead all tax activities in the DACH region, ensuring compliance, managing tax risks, and serving as a strategic finance partner.

The Financial Controller supports the Finance and Controlling Manager in executing financial controlling tasks to ensure adequate company reporting. Responsibilities include consolidation and analysis of budget, forecast, and outlook metrics, preparation of financial statements, cash flow planning, and project controlling.

Develops and manages Cafeyn Premium distribution partnerships across Europe, with a focus on the DACH region. Leads the full sales cycle, from prospecting and pitching to closing deals. Manages executive relationships and collaborates cross-functionally.

Channel Sales Manager to grow and enhance channel sales initiatives in the DACH region. Develop and execute channel plans, manage partner relationships, and drive revenue growth through indirect sales channels. Experience in SaaS channel sales with a focus on the German market is required.

As a Quant & Engineering Intern, you will develop quantitative analyses, models, and prototypes to solve real trading problems for clients in the energy sector. You will use AI tools and Python for data science and quantitative modeling, and collaborate with traders and the CTO.

Strengthen and manage Mollie's agency portfolio, acquiring new digital agencies and lead-generating partners. Build relationships to drive merchant acquisition and growth. Collaborate across teams to execute integrated go-to-market initiatives.

Lead and mentor a team of developers, driving architectural decisions and coding standards. Design, develop, and maintain scalable web applications, architecting complex systems for reliability and security. Conduct code reviews, develop automated tests, and collaborate with teams to deliver high-quality solutions.

This role involves on-site support for aircraft inspections, creating non-conformities in SAP, and shift work. Responsibilities include technical assessments, complaint report preparation, and collaborating with suppliers and manufacturers.

Freelance English tutors (m/w/d) are needed for online and in-person lessons across Germany. Support students with grammar, speaking, writing, and exam preparation. A completed higher education and strong English skills (C1/C2 preferred) are required.

This entry-level management position supports daily kitchen operations. The Junior Sous Chef assists in leading staff and participates in all kitchen areas, including food production, purchasing, and sanitation.

The International Research Training Group C4LaNd offers 24 doctoral positions at KIT, UHO, and UoM. The program focuses on land use solutions for climate and biodiversity crises, integrating natural sciences, social sciences, and economics.

This Applied Scientist role focuses on developing machine learning systems to accelerate data center design workflows. Responsibilities include building, adapting, and deploying ML models for BIM and AECO applications, researching innovative machine learning approaches, and collaborating with cross-functional teams. The ideal candidate has a PhD or Master's degree in a relevant field, experience building models for business applications, and experience with data from the Architecture, Engineering, Construction (AEC) industry.

Senior SAP PP expert needed for S/4 HANA transformation program in life sciences. Focus on optimizing production processes, integrating with EWM, MES, and digital manufacturing solutions. Must have experience in regulated manufacturing environments and batch-driven production.

Site Finance Manager will lead financial operations at the AMB site, ensuring compliance with corporate policies and driving business performance. Responsibilities include financial close, reporting, statutory audit, budgeting, forecasting, and leading a finance team.

Sales Manager Europe responsible for achieving sales targets, managing customer relationships, and developing the sales organization. Requires a Master's or Bachelor's degree, sales experience, international customer relationship management skills, and fluency in English and German.

Develop fullstack components using Node.js and TypeScript to deliver scalable products. Design features, optimize applications, and manage deployments. Experience in fullstack development, TypeScript, and Node.js is required.

Concept Designer (m/f/d) needed to develop and shape creative concepts for media scenography, exhibition design, and immersive experiences. Translate client goals and audience insights into clear conceptual frameworks and visual presentations. Collaborate with Creative Direction, Content, and Technical teams to ensure concept consistency and feasibility.