javascript English-speaking jobs in Bielefeld

As a Working Student in Alumni Relations, you will support the Marketing team in managing the end-to-end alumni journey, focusing on marketing-driven touchpoints. You will work closely with the Alumni Relations team in Central Europe and be responsible for communication and marketing activities.

Leads CRM initiatives across Merlin Entertainments' European attractions. Develops and executes data-driven strategies to enhance customer engagement, retention, and lifetime value. Collaborates with marketing, ecommerce, and digital teams to ensure personalized and relevant customer communications. Monitors campaign performance, optimizes strategies, and ensures compliance with data protection regulations.

As Chief Growth Officer, you will lead revenue growth, market expansion, and enterprise sales execution across Germany and Europe. You will build and scale a high-performing enterprise sales organization, develop strategic partnerships, and drive account expansion.

Lead all front-office power trading activities, defining and executing trading and hedging strategies. Build and manage the trading desk, including analytics. Structure and execute power and hedge products, optimize portfolio to maximize margin and reduce volatility.

Develop and execute social media and influencer marketing strategies for NORSAN Netherlands. Manage social media channels, plan and execute live events, and create marketing materials.

Coordinate technical aspects of all projects within the Business Unit Boeing. Own system architecture and define technical solution strategy. Lead interdisciplinary engineering teams and ensure compliance with quality, cost, schedule, and risk requirements.

Material Handling & Data Integrity Manager will optimize material flow, calculate takt times and cycle times, and implement digital tools to improve efficiency. Requires a Bachelor's degree in a relevant field, 3-5 years of experience in material handling, and proficiency in SAP RLP, WMS, and analytics platforms.

Experienced marketing leader needed to develop and execute marketing strategies for a leading food company. This role involves shaping product/menu strategy, managing campaigns, and leading a team. Strong communication, analytical, and leadership skills are required.

Investment Director will lead transactions from origination to exit for a newly launched pan-European defense-focused buyout fund. Responsibilities include deal sourcing, evaluation, negotiation, and value creation for portfolio companies.

Leads, mentors, and scales a high-performing marketing team across multiple channels and markets. Owns and optimizes the entire marketing funnel, from acquisition to retention. Drives strategic planning, OKRs, and transparent reporting. Monitors daily revenues, channel performance, and aligns with cross-functional teams.

Conducts risk analyses for new credit transactions and coordinates with international departments. Prepares credit decisions and implements them, including contractual documentation and disbursements. Manages assigned credit exposures, monitors risk, and collaborates with workout experts on problem situations.

DevOps Engineer responsible for setting up, maintaining, and improving application deployment environments. Experience with cloud technologies, particularly Microsoft Azure (Databricks, Unity Catalog), SQL, and Python is required.

Deliver groceries to customers efficiently by e-scooter or e-bike. Maintain a focus on delivery targets and exceed them. Must be at least 18 years old with a valid work permit, driving license, and smartphone with mobile data access.

Provides administrative support to workshop and service operations, ensuring customer requirements are met. Handles order processing, spares management, documentation, and shipment coordination. Collaborates with service engineers, coordinators, and the workshop team. Requires strong communication, organizational, and multi-tasking skills. Fluency in English is essential. Experience with SAP or Salesforce is advantageous.

Intern in Talent Management & Learning will support the identification and documentation of AI use cases in learning, leadership, and HR. Responsibilities include researching trends, contributing to meetings and workshops, and drafting learning materials.

As an international recruiter, you will manage the full recruitment cycle for both national and international positions. You will develop recruitment strategies, coordinate with departments, and build networks. You will analyze progress, optimize procedures, and manage candidates efficiently.

PhD position focused on inverse design of microstructures for sustainable structural metals. Develop automated workflows for microstructure reconstruction, identify material parameters, and establish structure-property linkages. Implement inverse optimization frameworks to identify microstructures with desired properties. Collaborate with researchers on material manufacturing and characterization.

The Commercial Director will drive the mass retail channel strategy in Germany, focusing on Grocery & Discount channels. This role will execute the Go-to-Market strategy, meet KPIs, and shape future plans with customers.

Senior AI Expert to explore, design, and prototype cutting-edge AI technologies for defense applications. Responsibilities include evaluating technical feasibility, tracking research trends, and advising on regulatory implications. Requires PhD in AI/ML, 10+ years experience, and strong hands-on skills in ML/DL frameworks.

Reinsurance Contracts Counsel will draft and review contracts, provide legal advice, and participate in client engagements. The role requires legal expertise in reinsurance contracts, strong communication skills, and proficiency in English and German.