freelance English-speaking jobs in Braunschweig

The Universities of Stuttgart and Freiburg offer 10 Research Assistant (Doctoral Researcher) positions within the DFG-funded RTG BioBuild. The program focuses on bio-inspired building envelopes that respond to weather and light conditions. Doctoral researchers will address topics in bioinspiration, materials research, process technology, and architecture.

Develop backend systems for an intralogistics product using Java and Spring Boot. Design APIs for web and app interfaces. Contribute to Minimum Viable Products (MVPs) in a fast-paced environment.

Tenure track group leader position in experimental freshwater ecology. Develop and lead a research group focused on the impacts of global change on freshwater ecosystem functioning, community composition, and food-web structure. Strong expertise in experimental design and aquatic community ecology required.

This MSc Thesis Project focuses on improving sampling techniques for product qualification using binary data. The role involves evaluating existing qualification protocols, analyzing historical data, performing simulations, and exploring applications of machine learning.

Senior Full Stack Developer will design, develop, and implement new features for the Heat Fleet platform, including backend (Node.js) and frontend (Vue.js) development. Responsibilities include API design, code quality assurance, and team collaboration. Experience with Node.js, TypeScript, Vue.js, and NoSQL databases is required. Fluent English is mandatory, basic to intermediate German is preferred.

As a Global Credit Management Specialist, you will oversee receivables, overdue accounts, and credit-related matters. You will collaborate with internal teams and customers, conduct risk assessments, and participate in global initiatives for process optimization.

Provides IT support for life science research, including web app development, pipeline curation, and cluster management. Requires experience with server administration, containerized environments, and R/Python.

Leads Omio's strategic partnerships with large travel and industry players, driving over 10% of Group Revenue. Identifies, negotiates, and executes large partnerships, ensuring long-term value through collaboration and innovation.

Own the rollout of 6 AI-powered inspection hubs across Germany, starting in NRW. Responsibilities include scouting locations, negotiating leases, converting spaces into tech-enabled hubs, and integrating acquired centers into the operating platform. Must be fluent in German (C2), hold a valid Class B driving license, and have a Bachelor's/Master's degree from a top university.

Support software engineering team in designing, implementing, and optimizing HMI interfaces for a 3D application.

As a Venture Engineer Intern, you will develop new features from frontend to backend, including user interfaces with React.js and data models within Supabase. You will also integrate APIs, optimize performance, and participate in code reviews.

Leads planning and reporting activities for the DACH cluster (Germany, Austria, and Switzerland), overseeing month-end processes, managing the budget and forecasting cycle, and partnering with sales and marketing.

Research Assistant (Doctoral student) position at the University of Wuppertal. Develop novel machine learning methods for modeling molecular properties within a project focused on exciton transfer in cryptophyte antenna complexes. Collaboration with an international team is required.

Commercial Training & Education Manager for Advanced Wound Management will train and certify sales teams on products, procedures, and selling skills. Requires 8+ years of sales experience in the medical device industry or 5+ years in learning/training. Must have expertise in Smith+Nephew products, clinical pathways, and competitive landscape. Strong facilitation, presentation, and commercial selling skills are needed. Fluent in English and German. Up to 50% travel required.

Endowed professorship for Metrology and new measurement methods for quantitative cell analysis at Charité - Universitätsmedizin Berlin and the Physikalisch-Technische Bundesanstalt (PTB). The position is a joint appointment according to the Jülich model with a limited employment status under private law in full-time. The professorship is linked to the management of the research area «Metrology and New Measurement Methods for Quantitative Cell Analytics» at PTB. The focus lies on developing new reference measurement methods to assess infection risks posed by emerging viruses and bacteria using advanced technologies such as optical imaging, flow cytometry, and artificial intelligence (AI).

Lead the design and implementation of new Android features using Kotlin Multiplatform Mobile (KMP). Ensure high performance, clean architecture, and reusability across modules. Work cross-functionally with designers, product managers, and backend engineers to deliver end-to-end features.

Risk Manager (m/f/d) to support strengthening risk awareness, internal controls, and governance framework. Will contribute to the implementation of the Group Risk Architecture, monitor regulatory developments, and support risk reporting and management. Experience in ESG risk management, sustainability controlling, financial risk management, compliance, or audit within the financial services industry is required.

Postdoctoral Researcher (gn*) in the Sánchez Lab at the European Institute for Molecular Imaging. Focus on plexin receptors, combining single-molecule localization methods and cell biology to decipher their stoichiometry, dynamics, and role in various biological processes. PhD in life sciences required, experience in cell and molecular biology, and microscopy methods.

Senior commercial leader to drive growth for digital pathology portfolio across Europe. Leads and mentors a team, manages sales funnel, and builds key account relationships. Requires 5+ years of experience in healthcare technology sales, digital pathology expertise, and proven success in complex sales cycles.

Data Solution Architect needed for a 6-month contract (potential extension) with a key partner. Requires 5-7 years of experience as a Data Solution Architect, strong Microsoft Fabric, Azure Databricks, and Azure Data Factory skills, and experience designing end-to-end data solutions on Azure. Must be located in Germany and able to start immediately or within 10 days.