javascript English-speaking jobs in Bielefeld

Business Development Director to drive growth in Finance & Risk Solutions by acquiring new enterprise customers and expanding existing accounts. Requires expertise in complex sales, C-level engagement, and Finance & Risk topics.

Support the Supplier Support team by gathering compliance information from non-responsive suppliers via multi-channel communication. Assist suppliers with compliance requests and validate data quality.

Seeking a Full-Stack Developer proficient in Java/Kotlin, Python, and SQL to develop and maintain applications. Responsibilities include building front-end features, designing REST APIs, and ensuring code quality. German fluency is required.

Head of BESS & Renewables to lead and develop the BESS & Renewables business. Responsibilities include defining market strategy, scaling commercial activities, and building high-performing teams. Requires energy sector experience and strong commercial skills.

Leuphana Transformation Lab offers up to seven postdoctoral fellowships for researchers to develop high-quality grant proposals in transformation research. Applicants must have a PhD and align their work with one of three conceptual streams.

Lead global strategy, innovation, and portfolio management for dialysis systems. Oversee Engineering, R&D, Quality, and Regulatory functions to drive next-generation kidney care technologies. Own business outcomes across the portfolio.

Advanced Fullstack Developer I designs, develops, tests, and maintains scalable web applications. Requires 3–5 years of experience with C#, .NET Core, ASP.NET Core, and React.js, plus experience with REST APIs and SQL Server.

Oversee seamless Hotel & Catering services on board vessels, managing shop, bar, restaurant, and cabin services. Ensure commercial success, budget control, and service quality while leading the onboard team.

Teaches host nation culture (history, government, etc.) at the elementary level. Requires C1 German and English proficiency, and a teaching qualification. Duties include lesson planning and community engagement.

Support the transfer pricing team ensuring compliance and efficiency across the global organization. Responsibilities include preparing OECD-compliant documentation, analyzing financial data, and assisting with intercompany agreements.

Own the path from engineering release to serial production for unmanned systems. This role manages external manufacturing partners, drives DFM/DFA, and handles NPI design transfer. Requires 5+ years in manufacturing engineering.

Director Commercial Operations leads strategic commercial plans into local execution across Germany. This role involves operational leadership, performance analytics, and partnering with sales, marketing, and compliance teams. Requires significant leadership in the German biopharmaceutical industry.

Financial Sales Advisor builds long-term client relationships, providing excellent financial advice. Responsibilities include analyzing products and understanding client financial circumstances. Requires interest in finance and sales, strong communication, and fluent English.

Manage electrical design and TSO/DSO relations for renewable energy projects. Develop technical projects, coordinate infrastructure design, and support due diligence. Requires MSc in Electrical Engineering and 7+ years in relevant HV infrastructure.

Simulator Integration & Verification Engineer for Eurofighter PSTS. Responsibilities include system test definition, test case generation, and performing Level 1 requirement verification. Requires studies in relevant fields and knowledge of system integration.

Finance Director, EMEA, will own German entity accounting end-to-end, leading monthly, quarterly, and annual closes. Responsibilities include German statutory reporting, tax compliance, and building the local accounting function.

Expert IT Operations Specialist for LAN/Wi-Fi Networks. Responsibilities include designing, installing, and administering network environments, troubleshooting, and managing network components. Requires technical university degree and years of network management experience.

Senior Communications Specialist drives strategic communications and media relations for Siemens Healthineers. Responsibilities include managing press materials, media events, and leading communications on corporate strategy and M&A.

Head of Industrial Heat Platform to scale Voith's heat electrification business. Own full P&L, define strategy, drive M&A, and build the organization from early traction to a substantial platform. Requires B2B scaling experience.

Deliver groceries to customers efficiently by e-bike or e-scooter. Maintain a high level of customer service and consistently meet or exceed delivery targets. Earn at least €13.90 per hour plus tips.