freelance English-speaking jobs in Wuppertal

Experienced Embedded Software Developer needed for traffic management systems. Integrate in-house modules, develop application software, and debug using hardware tools. Requires C/C++ experience and knowledge of software design patterns.

Senior Firmware Developer to design and implement C++ application firmware on ARM Cortex-M microcontrollers using an RTOS. Focus includes credential processing (Mifare DESFire, HCE, mobile wallets) and secure system features. Requires 5+ years of embedded firmware experience.

Electrician responsible for situational and preventive maintenance of warehouse equipment. Duties include inspecting, repairing, and monitoring systems like conveyor belts. Requires vocational training in electrics or comparable experience, and B1 English or German skills.

Lead the GTM Systems & Tools team to scale revenue operations. Architect and manage the core revenue tech stack, ensuring data quality and seamless integration across systems. Lead a team of systems experts.

Data Engineer role to design and build scalable batch and streaming data pipelines. Own the full data lifecycle, developing storage and modeling solutions on a data lakehouse platform. Requires SQL skills and experience with a programming language.

Performs safety, technical, and regulatory inspections of semi-trailers. Duties include checking cargo security, adhering to HAZMAT programs, and operating operational computer terminals. Requires German driver's license class B, B1 English, and C1 German.

Senior Backend Engineer for MarTech builds scalable marketing and growth systems. Requires 5+ years of Go experience, expertise in distributed systems, and Kafka. Own features from design to production.

Maintenance Engineer responsible for peak performance of intralogistics systems. Duties include troubleshooting electrical/mechanical issues, preventive maintenance, and implementing improvements. Requires 7+ years of technical experience.

Commercial Engineer needed for the Europe Office. This role involves generating new sales, maintaining current customers and distribution, and providing advisory service. Candidates should be Chemical or Industrial Engineers with knowledge of food, cosmetic, or pharmaceutical processes.

Business Process Specialist Allocation role involves translating business proposals into workable solutions for allocation and replenishment processes. You will define, improve, and document workflows across Supply Chain, supporting integration testing and training.

Build and own internal AI tools to automate and improve the commercial team's operations. Develop lightweight applications and optimize the GTM tech stack. Proof of building an AI application is essential.

Global HR Group Manager supports managers and employees in the Commercial area on HR-related topics. Collaborates with global HR teams to ensure holistic support and contribute to the development of the global HR agenda. Advises managers on Workday reporting and data-driven decision-making.

Litigation Lawyer to benchmark AI systems by evaluating responses to real-world litigation questions. Requires 2+ years of litigation experience, strong knowledge of procedural law, and fluent French.

This role involves delivering competitor analysis and market entry strategies for the Defense sector. Responsibilities include managing strategic partnerships and acting as a central contact for Defense business activities. A degree in relevant fields and fluency in German are required.

The Max Planck Institute for Marine Microbiology seeks a Scientific Programmer to develop, integrate, and optimize a high-resolution ocean biogeochemical modeling framework. The successful candidate will design and conduct experiments, analyze simulations, and contribute to publications and conference presentations.

Drive FAIRTIQ’s growth in Central and Eastern Europe. Build trusted relationships with public transport authorities to develop long-term partnerships. Requires deep public transport sector experience and proficiency in a Slavic language plus C1 English.

Drive strategic projects for Diehl Aviation, translate market insights into recommendations, and support portfolio and product strategies.

Native German speaker needed for Voice Actor: CX Agent Voice Cloning. Record high-quality, clear, and expressive voice samples across diverse scripts. Requires professional recording setup and ability to follow detailed guidelines.

Drive technical transformation in manufacturing and quality operations by implementing automated inspection processes. Lead the design, development, and integration of automation solutions for product dimension measurement and defect inspection. Scale solutions to production, initiate process improvements, and support training on new processes and systems.

PhD student position in chemistry/biochemistry focusing on developing compartmentalized polysaccharide microgels for programmed drug release. Tasks include synthesizing biodegradable microgels and analyzing degradation via microscopy. Requires a Master's in a relevant field.