javascript English-speaking jobs in Bielefeld

Lead customer programs from NPI through serial production and aftersales, ensuring delivery against time, cost, quality, and customer satisfaction targets. Manage multifunctional teams and customer relationships, driving program excellence and continuous improvement.

Support our reservations team as a Service Center Agent. Provide telephone and written support to guests, tour operators, and receptions. Manage reservations, create offers and invoices, and collaborate with various departments. Fluency in German and English is required.

Lead and develop the IT team, defining and implementing IT strategy aligned with company goals. Oversee support across Microsoft 365, Active Directory, networking, VPN, and Windows/Linux server environments. Ensure stable and secure operation of all IT systems and endpoints. Manage IT procurement, assets, and inventory.

Test Engineer for Avionics and Weapon Integration (m/f/d) for Airbus Defence and Space in Manching. Responsibilities include reviewing avionics system requirements, defining test cases, developing test procedures, conducting system integration tests, and analyzing test results.

In a spacious modern setting full of opportunities for further development, ZEISS employees work in a place where expert knowledge and team spirit reign supreme. All of this is supported by a special ownership structure and the long-term goal of the Carl Zeiss Foundation: to bring science and society into the future together. Join us today. Inspire people tomorrow. Diversity is a part of ZEISS.

Senior Product Manager will lead product strategies for a new product line, conducting market research, collaborating with cross-functional teams, and ensuring product launch success.

Manage and optimize pricing and yield strategies across a portfolio of European markets. Monitor demand, competition, and market dynamics to identify revenue opportunities. Provide analytical oversight and insights to support data-driven decision-making.

Manages and evolves the Enterprise Architecture (EA) repository, ensuring data quality and consistency. Operates, configures, and improves EA tools, including data models, views, reports, and dashboards. Adapts the EA data model to support a product-oriented IT organization. Provides architecture data for governance, reviews, and management decisions.

Lead and develop X FAB's photonics activities, focusing on silicon photonics, heterogeneous integration, and optical device development. Manage multidisciplinary teams, define technology roadmaps, and drive strategic collaborations with partners.

Sales Development Representative will generate leads, analyze and qualify them, and actively outreach to customers. Responsibilities include presenting company products, identifying customer needs, and establishing customer relationships. Requires minimum 2 years of B2B sales development or account management experience, willingness to travel, and proficiency in CRM systems and MS Office. German native speaker or C2 level required, English B2 or better.

The Threat Intelligence Specialist safeguards Deutsche Börse Group's global operations against cyber threats. This role collects, analyzes, and delivers actionable intelligence to guide business decisions and reduce risk. The expert collaborates with Security Operations, Incident Response, Data Protection, and Risk Management teams.

Lead and develop the IT team, defining and implementing IT strategy aligned with company goals. Oversee support across Microsoft 365, Active Directory, networking, VPN, and Windows/Linux server environments. Ensure stable and secure operation of all IT systems and endpoints. Manage IT procurement, assets, and inventory. Regular travel to the UK is mandatory.

Responsible for independent handling of all latex loading operations at truck, rail, and flexitank loading stations, including administrative tasks. Requires successful completion of a chemical technician training or comparable experience, at least 2 years of relevant experience, and forklift operation authorization.

As a Cash Collection Specialist, you will manage overdue accounts, contact customers regarding unpaid invoices, and negotiate payment plans. You will collaborate with sales and finance teams to resolve billing issues and ensure timely collection of outstanding debts.

Marketing & Communications Officer needed for a prestigious international institution. Develop compelling content, manage events, coordinate projects, and liaise with stakeholders. Requires 5+ years of experience, advanced PowerPoint and Excel skills, and fluency in English.

Provides comprehensive administrative and strategic support to the Vice President Engineering Global & Vice President Operations EU. Manages calendars, prepares presentations, arranges travel, and coordinates meetings and events.

Administrative Assistant / Accounting Clerk supports site management team in a construction project. Duties include posting accounting records, reconciling bank statements, processing invoices, issuing customer invoices, and managing expense notes. Requires a high school diploma, 2 years of relevant experience, proficiency in MS Office, and fluency in Spanish and English. German is a plus.

Production Planner (f/m/d) for a 24-month fixed-term contract. Responsibilities include sales/production forecasting, supply chain coordination, and data analysis. Requires a degree in economics/logistics or commercial/technical training, 5+ years in SCM, and 2+ years in demand planning. Strong ERP (SAP & Sage B7) and MS Office skills are essential.

Senior Backend Engineer will design, develop, test, deploy, and maintain software using a JVM language and Spring Boot in large-scale production systems. Experience with microservice architecture, relational and non-relational databases, and AWS is required.

Develop and optimize quantitative trading strategies for flexible assets across various energy markets. Build predictive models for price forecasting, asset availability, and market analysis. Collaborate with traders to validate strategies and incorporate market insights.