freelance English-speaking jobs in Mannheim

Drive global Engineering capability by defining and executing technology strategy for R&D and Product Development. Lead digital transformation, manage global application portfolios, and drive innovation in AI and Digital Twin.

Join the Siemens Graduate Program focusing on Industrial Product Management at Mendix. This role involves shaping industrial software solutions, digital manufacturing, and Industry 4.0 transformations. Candidates need a relevant Master's degree and skills in problem-solving.

From August 2026 our secondary school in Dreieich (near Frankfurt) is looking for a Mathematics Teacher (in part-time or full-time)

Provide personalized tutoring in Accounting and Bookkeeping for students. Teach topics like Financial Accounting, Cost Accounting, and Payroll. Requires strong knowledge of finance or business administration.

Business Development Representative for an AI coaching startup. Own the top of the funnel in DACH, generating qualified pipeline via cold calls, email, and LinkedIn. Requires 2-4 years of B2B SaaS outbound experience and business-fluent German.

Actuary (m/f/d) needed for reserving tasks under GAAP, IFRS, and Solvency II. Collaborate with entities, provide actuarial advice, and support risk management and planning. Requires a university degree in actuarial science, mathematics, or statistics, experience in reserving (ideally motor), and fluency in English.

Experienced Responsible Person needed for a growing international specialty pharmaceutical and wholesale organization. Oversee all GDP compliance, quality assurance, and regulatory adherence for German wholesale distribution operations. Must be eligible to act as RP under German requirements.

Seeking a German-speaking Sales Development Representative to manage the full sales lifecycle for e-commerce compliance solutions. Requires fluent German and business English, with 1-5 years in B2B sales. Focus is on consultative, long-term partnerships.

Lead end-to-end design for Reporting, Sales, and Fiscalisation domains. Drive unified, clear data experiences for merchants. Requires 5+ years as a Product Designer with expertise in complex digital products.

System Engineer for AI Data Center Solutions. Design modern network solutions, prepare technical documentation (BOMs, layouts), and provide technical support across EMEA. Requires an Engineering degree and 2-5 years in Telecom or Data Center design.

Sales Assistant supporting Sales Managers in a B2B international environment. Manage customer offers, orders, and sales reports while collaborating with Buying, Logistics, and Finance. Requires fluency in German and English.

Delivery Station Warehouse Associate role involves unloading, lifting, transporting, scanning, and sorting products. Requires comfort with technology and the ability to stand/walk for long periods. Basic German or English is needed.

Evaluate search results and AI-generated content for quality and relevance. Conduct online research to support rating decisions. Requires excellent German and English communication, strong analytical skills, and residency in Germany.

Support the expansion of our institutional investor network across key European markets. You will work closely with senior team members to strengthen existing relationships, identify new business opportunities, and contribute to the successful fundraising of our alternative investment strategies.

Warehouse Worker position at an Amazon Fulfillment Center. Opportunities available for full-time and part-time roles with fixed day, late, or night shift schedules.

Researcher needed in Experimental Particle and Astroparticle Physics. Focus on developing microstructured silicon detectors for high energy physics. Tasks include system design, detector commissioning, and scientific documentation. Requires a Physics degree and experience with silicon detectors.

Design and evolve architecture for large-scale distributed systems using AI foundational platforms like LangChain. Define agent interfaces, RAG strategies, and select optimal technology stacks. Requires 8-10 years in distributed systems.

Senior Compliance Verification Engineer needed for Cabin & Safety. Ensure compliance with EASA and FAA requirements for aircraft interior modification programs. Requires expertise in Cabin Safety Certification, TSO/ETSO, and relevant engineering degrees.

Field Technician responsible for planning, installing, and maintaining Wi-Fi, data, and telecom equipment across client sites. Requires IT/networking experience, project coordination, and a valid German driver's license for regional travel.

Experienced BESS Project Manager needed to lead utility-scale battery storage projects from development through commissioning. Responsibilities include managing schedules, budgets, and coordinating stakeholders for complex energy infrastructure.