react English-speaking jobs in Braunschweig

Outbound Calling Representative needed for a 100% remote role. Contact existing donors by phone, present recurring donation programs, and convert one-time donors into recurring supporters. Must be a native German speaker with strong communication skills and a goal-oriented mindset.

This fully funded 4-year postdoctoral position at the Max Planck Institute for Human Cognitive and Brain Sciences focuses on social cognition and belief formation. The successful candidate will investigate how spatial coding principles extend to social cognition and contribute to cognitive biases.

Intern will develop index models, communicate with team members and stakeholders, and migrate existing models to a new framework.

Develop packaging concepts for primary, secondary, and tertiary packaging, optimizing existing solutions and creating technical specifications. Collaborate with cross-functional teams, suppliers, and international affiliates to ensure reliable technical implementation and project success.

Lead the legal function of a growing international technology company. Provide legal, commercial, and strategic advice to the executive team and Board. Manage complex transactions, agreements, and risk. Develop legal processes and lead a mid-sized legal team. German-qualified lawyer with significant in-house or private practice experience required.

Project Manager for international marine projects. Manages interfaces between stakeholders, oversees project execution, and analyzes company processes. Requires a master's degree, project management certification, and several years of experience in senior project management roles, ideally in the defense sector.

Mechanical design and/or stress engineer to develop core mechanical subsystems for a next-generation drilling system. Conduct FEA analysis, build prototypes, and support testing and validation.

Senior Software Engineer to design and develop cloud-native applications on AWS. Experience with TypeScript, React, Lambda, DynamoDB, API Gateway, CDK, and CloudFormation required.

Experienced Graphic Designer sought for international opportunities. Create visually appealing designs for marketing materials, websites, and social media. Collaborate with marketing teams and stay updated on design trends.

Mechatronics / Electromechanical Technician will assemble, integrate, test, and deploy mobile asset telematics systems across automotive, transport/logistics, and agricultural environments. Responsibilities include mechanical and electrical integration, communication technology integration, and testing and validation of telematics systems. Requires a degree or equivalent experience in a related field, 3-7 years of hands-on experience with connected hardware, and proficiency in mechanical assembly, wiring harnesses, and enclosure ruggedization.

Design, set up, and operate core cloud infrastructure. Integrate cloud services into the Developer Platform, including FinOps. Implement infrastructure as code using Terraform, OpenTofu, and Crossplane.

Senior Legal Counsel will provide legal support to Aggreko and its group companies in Germany and Europe. Responsibilities include drafting, reviewing, and negotiating commercial agreements, providing legal advice, and ensuring compliance with risk management policies. Requires a qualified German lawyer with 8+ years' experience in commercial law and contract negotiation within energy or related sectors.

Prepares courier schedules and routes, coordinates courier work, monitors delivery cycles, and provides support to couriers.

Science Technician / Lab Assistant will support secondary teachers and students in the science department. Responsibilities include preparing and maintaining laboratory equipment, assisting with experiments, and managing laboratory stock. Requires a degree or technical training in a relevant scientific field and practical experience managing laboratory environments.

Shape and lead Zenjob's B2B marketing engine, developing and owning the B2B marketing strategy. Drive lead generation campaigns, manage a team, and optimize marketing funnels. Build thought leadership through content and leverage data to improve conversion rates.

Senior RF/mmWave IC Test & Characterization Engineer will develop and execute characterization methodologies for MMICs, RFICs, and semiconductor test structures. Perform device validation, technology qualification, and correlation measurements for advanced RF/mmWave technologies. Operate and optimize VNAs, spectrum analyzers, signal generators, probe stations, and related measurement systems. Develop automated measurement and data-processing workflows using Python, MATLAB, or similar scripting/programming languages. Work closely with IC design, semiconductor technology, packaging, and modeling teams. Document characterization methodologies, measurement setups, and technical findings.

The US Sales Representative will identify, develop, and onboard clients requiring US services. This role involves managing leads, communicating service offerings, and supporting the sales onboarding process.

Senior Process Automation Engineer needed to design, build, and deploy automation solutions for logistics and partner network. Experience in process automation, analytics engineering, or operations consulting required. Strong Python, SQL, and API integration skills are essential.

The Martian Mindset Cluster of Excellence at the University of Bremen invites applications for two independent postdoctoral research positions. Successful candidates will lead independent research projects with full scientific and budgetary autonomy. Applicants must have a PhD (or proof of imminent completion) in any field relevant to The Martian Mindset and a convincing 3-year research program.

The HR Business Partner DE/CH aligns employee engagement, performance, and organizational capability with business success in Germany and Switzerland. The role requires experience collaborating with the German Works Council and deep knowledge of German co-determination requirements.