javascript English-speaking jobs in Bielefeld

🇩🇪 📍 Location: (On-site) At SumUp, we're on a mission to help small businesses thrive. From local cafés and retail shops to service providers across the DACH region, we empower over 4 million merchants worldwide with simple, affordable, and intuitive payment and business solutions.

Sungrow Power EMEA seeks a Werkstudent (Intern) to join the ESS Technical Team in Munich. The intern will support technical design and ESS customized solution proposals, focusing on Battery Energy Storage Systems (BESS). Responsibilities include assisting with technical advisory tasks, collaborating with engineering disciplines, and reviewing project designs. The ideal candidate is pursuing a Bachelor's degree in Engineering, with an interest in BESS technology and experience providing technical advice.

Bodycote seeks a Recruiter for Western Europe to drive talent acquisition across France and Germany. The role requires strong sourcing skills, fluency in English, French, and German, and a collaborative approach to hiring.

Expert in IFRS accounting and reporting, with a focus on IAS 12/income taxes, sought for Home Comfort Finance team. Responsibilities include ensuring high-quality, compliant, and timely group reporting, monitoring IFRS changes, and collaborating with internal and external stakeholders. Requires several years of relevant experience, strong knowledge of IFRS standards, and proficiency in SAP FI and MS Office.

This finance leadership role combines internal financial governance, SaaS/Cloud business steering, and CRM controlling with strong commercial partnering for digital sales programs. You will act as a trusted finance partner for business management, Growth & Operations leadership, and sales organizations, enabling data-driven decision making.

Research Associate (Wissenschaftliche*r Mitarbeiter*in) – Molecular Child Psychiatry conducts molecular and cellular biology experiments, analyzes data, and contributes to research projects.

Early-career scientist with a strong background in immunology, neuroimmunology, and systems biology sought to lead an innovative research program investigating the immune system's influence on brain health and protection from degenerative diseases.

Lead finance-focused requirement workshops and design, document, and validate scalable Finance-related configurations within Dynamics 365 F&O. Configure and implement core Finance modules (GL, AP, AR, Fixed Assets, Cash & Bank, Budgeting) in alignment with global standards. Support key project activities including data migration, testing cycles, process validation, training, and user adoption. Act as the Finance subject matter expert across end-to-end processes.

Senior Finance & SAP Solutions Expert will define, drive, and deliver financial solutions and optimized end-to-end processes. Responsibilities include enabling smooth decision-making, ensuring robust testing strategies, defining automated closing processes, and providing support for complex issues in relevant ERP systems.

Provide administrative support to the Director of Berlin International School, managing schedules, correspondence, and events. Coordinate with the Leadership Team, administrative departments, and stakeholders. Support recruitment, professional development, and finance processes.

The Chief Technology Officer (CTO) will define the target architecture for the company's ecosystem of choice for the utility industry. The CTO will lead a small core team, shape engineering through architecture and standards, and work closely with the VP R&D. The role requires substantial experience as a CTO, Chief Architect, or similar role, with a proven track record of owning architecture for large software systems.

Site-Based BIM Engineer needed for a new semiconductor facility in Dresden, Germany. Manage and coordinate BIM activities, develop 3D models, perform clash detection, and ensure BIM deliverables comply with project standards. Requires a degree in a related field and 3+ years of experience as a BIM Engineer on large-scale construction projects.

Leads the maintenance and reliability function at a Cuxhaven manufacturing site, ensuring safe, reliable, and efficient operation of production and utility assets. Develops and executes a robust maintenance strategy, drives reliability improvements, and implements best practices in preventive and predictive maintenance.

Support driving financial reporting for BMG's Management Board and shareholder, Bertelsmann. Contribute to group-wide management reporting, month-end closing, and international controlling projects.

The HR Leader DACH, Country & Plant for Germany will lead HR for a global manufacturing company's German operations and across DACH (Germany, Austria, Switzerland). This dual-role combines Country HR leadership (60%) and Plant HR leadership (40%). Responsibilities include building organizational capability, supporting operational excellence, leading a high-performing team, and ensuring compliance.

SEEBURGER is a leading global B2B software provider seeking a Support Engineer to join their team in Bretten.

PhD student to study Fe-bearing materials at in-situ conditions relevant for planet formation and evolution. Participate in R&D of X-ray scattering experiments and dynamic compression experiments.

The Project Manager leads pre-construction phases of hyperscale data center projects across EMEA, ensuring projects are fully defined, cost-planned, and de-risked before construction. Responsibilities include leading project governance, communication, and stakeholder management, defining scope, budget, and program, and coordinating site due diligence, design development, and procurement. The role requires 8+ years of experience in data center, critical infrastructure, or complex real estate development projects, strong understanding of construction across EMEA, and proficiency with scheduling/programming software.

DevOps Engineer needed for a high-tech German engineering company. Responsibilities include CI/CD pipeline setup and optimization, GitLab workflow management, and automation of build, test, and deployment processes. Requires experience with .NET, C++, Windows and Linux systems, and automation tools.

As a Senior Commodity Buyer, you will develop and execute commodity strategies, manage supplier relationships, negotiate contracts, and drive cost reduction initiatives.