freelance English-speaking jobs in Bremen

Lead Tech Strategist (f/m/d) Core Platforms in Energy Retail will translate business strategy into technological capabilities. This role requires deep understanding of CRM/Billing Platforms and experience with SAP, Salesforce, Kraken. The ideal candidate will have a strategic mindset, strong communication skills, and experience leading IT organizational transformation.

Tenure-track professorship in "Mathematics of Machine Learning" at the Technical University of Munich (TUM). The successful candidate will conduct research, teach, and mentor early-career scientists, focusing on integrating mathematical advancements in machine learning into TUM's research and teaching.

Postdoctoral position in the project "Making Political Decisions" at the Cluster of Excellence "The Politics of Inequality". The position starts September 1, 2026, for four years. The successful applicant will contribute to research activities using experimental designs to study political decision-making.

Sales Manager to drive business development and sales for vehicle transport services within the automotive sector in Germany. Requires experience in OOG cargo, Breakbulk, RoRo shipping, and automotive clientele. Fluency in German and English is essential.

The CRC 1756 "Chemical and Biological Principles of Cellular Trigger Responses" seeks 20 doctoral researchers to investigate molecular mechanisms of cellular responses to chemical and physical triggers.

AbbVie's Product Development Science & Technology organization seeks a Principal Research Scientist I to lead the development and life cycle of container closure systems (CCS) for pharmaceutical and biopharmaceutical products. The role requires expertise in CCS materials, E&L concepts, functional CCS characterization, and Container Closure Integrity testing.

Senior Software Engineer to join the EO team, building core platform capabilities for Personio's HR platform. Focus on backend systems, APIs, and workflows, with occasional front-end contributions. Strong experience as a backend engineer and comfort in ambiguous environments are required.

The University of Potsdam and the Leibniz Institute for Research on Society and Space seek a Professor for Urban and Regional Policy to head the "Policy and Planning" research area and establish a new research group.

Support the Store Manager in leading a high-performing team, ensuring goals are achieved and brand standards are followed. Provide excellent customer service and assist with delivering the brand vision.

Software Developer will design and develop advanced device software based on a SECS/GEM-compatible framework (C#). Responsibilities include managing customer interface coordination, software commissioning, and providing technical support.

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).

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.

Develop a Model Predictive Control (MPC)-based Energy Management System (EMS) for a modular office building. The thesis will focus on optimizing pre-heating and pre-cooling strategies, considering electricity prices, PV generation, and thermal storage and cooling equipment operation.

As a (Senior) Integration Engineer, you will design and implement technical solutions for clients, bridging software development and practical application. You will develop custom extensions, integration scripts, and technical documentation, while collaborating with clients and solving complex technical issues.

Software Development Engineer to design, develop, and deploy scalable distributed services for a new Generative AI application. Will translate business requirements into deliverables, build prototypes, and mentor junior engineers. Experience with Java, Python, and AWS required.

Develop new features for a mobile comparison platform using React, TypeScript, and Remix. Improve existing frontend components and collaborate with backend, UX/UI, and product management in agile teams.

The International Customers Manager will build plans to negotiate with Europe International Customers/Alliances to improve revenue and share. This role will help to build strategic principles for success, transform trading terms, and review the buying alliance landscape. The International Customers Manager will collaborate with KAMs, FDs, and Commercial Directors from many countries, and externally with Buyers and negotiators of the Customers and Alliances. Key outcomes include delivering global customer sales plans, sustainable margin expansion plans, and share gains for Diageo spirits. The role also involves driving out costs, delivering commercial strategies and value creation plans, and inspiring organizations. The International Customers Manager will make decisions on customer/channel plans & strategies, European JBP results, promotional plans, risk management, and top to top contact strategy. They will lead key account negotiations at Global/pan-European level and own M&E and driving value and margin enhancement plans for Global Customer P&Ls. The role requires a strong and broad track record in commercial with significant tier 1 account handling experience including International Key Accounts (JBP’s), Buying or Service Alliances, P&L accountability and customer marketing experience. Experience in working for – or with – a large leading retailer at national or global level is also required

Drive sales and manage customer relationships in the construction, mobility, and industry sectors. Develop and execute sales strategies, analyze sales data, and collaborate with the sales team to achieve targets. Promote Berner as a premium brand and provide expert consultation to customers.

Lead the people strategy for a fast-growing deep tech company focused on materials innovation. Design and scale hiring, performance, and organizational development processes. Partner with leadership to attract, retain, and develop top talent.

Leads and scales end-to-end operations from 3D printing to shipping. Defines and drives KPIs for throughput, uptime, yield, and delivery performance. Builds high-performing teams and processes for quality and speed. Aligns operations with product innovation and company growth strategies.