freelance English-speaking jobs in Mannheim

PhD Student role focusing on quantifying Positronium Lifetime as a novel imaging biomarker. The project develops methodological and computational foundations for clinical positronium imaging.

Field Service Engineer role involving installation, maintenance, and testing of materials testing machines. Requires technical education in mechatronics/electrical engineering, knowledge of hydraulics/pneumatics, and excellent Korean language skills.

Staff Engineer to architect and scale advanced AI/ML systems on AWS. This role requires 7+ years in cloud native engineering, expertise in production-grade ML systems, and strong leadership to drive cross-functional execution.

Own the global scientific communications strategy for early pipeline and commercial assets. Establish scientific communication architecture, ensuring a consistent, evidence-based voice across geographies and channels. Requires advanced scientific degree and experience in global scientific communication.

Senior Staff Engineer in System Application Engineering Acoustics. Own design, development, and testing of audio hardware solutions, including PCB design and embedded firmware for audio DSP. Requires 5+ years in Application Engineering with expertise in acoustic system design.

Treasury Specialist supporting liquidity, funding, cash, and short-term interest rate risk across currencies. Responsibilities include cash forecasting, LCR/NSFR management, and executing money market and FX transactions.

Engineer at the Process Innovation Center develops and tests new semiconductor technologies for volume production. Responsibilities include DOE-based process development, prototyping, defining process windows, and scaling new processes. A degree in a relevant field and semiconductor experience are required.

Manage M&A projects end-to-end, from target identification through transaction closing. Requires a Master's degree and professional experience in M&A or related fields. Must be fluent in German and English.

General Ledger Accountant responsible for preparing financial statements under HGB and IFRS. Duties include GL management, analysis, and supporting consolidated statements. Requires business degree and finance experience.

Senior Business Development Director for a global service provider in Contract Catering and Facilities Management. Requires extensive experience in bid/tender processes, client relationship building, and leading sales teams.

Engineer Static Equipment - Warm is responsible for project planning, execution, and commissioning of pressure vessels and gas buffer tanks. Key duties include cost tracking, standard development, and HAZOP participation.

Manages global key customer relationships in the German market, focusing on transformer OEMs. Develops strategic account plans, leads commercial negotiations, and ensures customer satisfaction. Requires 10+ years of B2B account management experience.

Senior Solutions Architect ensures customer data reliably flows into the Celonis Platform. Responsibilities include implementing extractors, building custom API connectors, and connecting to lakehouses and LLMs. Requires 5+ years in a technical, customer-facing role.

Qualified Installateur- und Heizungsbauermeister (SHK) to lead quality and aftercare for complex data centre mechanical systems. Responsibilities include setting standards, managing defects, and driving continuous improvement across projects.

Lead Henkel Adhesives' global Voice of Customer program, transforming customer feedback into actionable insights. Define standards, drive feedback collection, and partner across functions to improve customer experience. Requires 5+ years in VoC/CX in a global B2B setting.

IT Consultant Atlassian requires experience in IT consulting or digital transformation, specifically with Atlassian products. Key duties include configuration, requirements analysis, and delivering solutions. Fluent German is required.

Technology Sales Manager for Boiler and Gasifier Solutions. Act as technical lead in sales, developing competitive solutions and presenting technical proposals. Requires MSc and 7-10 years of relevant industry experience.

Test Engineer for embedded systems to ensure quality and safety of medical device software. Develop manual/automated test specs using HiL systems and collaborate with cross-functional teams. Requires experience in embedded software testing.

Intern for the International Marketing Team in Risk Prevention. Assist Global Product Management, manage data, support local markets, and analyze customer insights. Requires study or graduation in marketing or related fields.

Account Executive (SMB) role requires 2-5 years in Sales (B2B SaaS ideal). Responsibilities include prospecting, demos, negotiation, and pipeline management. Must be German-speaking with English fluency.