javascript English-speaking jobs in Bielefeld

The Biopharma Filtration Sales Specialist supports Account Managers with product knowledge and training, generating sales from new and existing customers. This role evaluates customer processes to identify solutions and support sales growth.

Develop new features for a multi-flavor, multi-module Android app using Kotlin and SDK. Investigate and fix issues, continuously improve the codebase, and work in an agile environment.

As an Ethics & Compliance Solution Advisor, you will consult with prospective customers, understand their needs, and demonstrate how technology can enhance their compliance programs. You will collaborate with sales, product, and marketing teams to shape product strategy and ensure successful customer onboarding.

School Teaching Assistant to support teachers in pedagogical processes, lesson organization, and extracurricular activities. Requires pedagogical qualification, practical teaching experience, native English, and basic German.

Electronics Technician will screen returned goods, handle internal transportation, clean and refurbish coffee machines, label and pack goods for shipment. Requires experience handling tools, electrical equipment, and computer skills. Must be fluent in German and have a reliable, independent work ethic.

Student assistant position supporting research on intelligent systems for improving manufacturing quality in medical technology. The 3-month project involves conducting experiments, developing sensor-based components, and analyzing manufacturing tolerances.

As a Customer Support Specialist, you will provide support to customers via email, phone, and chat, resolving issues and ensuring customer satisfaction. You will collaborate with internal teams to troubleshoot problems and contribute to solution development.

Project Engineer HVDC needed for international energy infrastructure projects. Plan, design, and implement item designation solutions according to industry standards. Manage asset registers, ensure data quality, and coordinate with engineering teams, project management, and suppliers. Master's degree and 2+ years of relevant experience required.

Service Technician (m/f/d) for wind turbines. Responsibilities include on-site servicing and maintenance, repairing turbines, analyzing error messages, and documenting work. Requires vocational training in a relevant field, familiarity with Microsoft and iOS, and a valid Class B driver's license.

Plan and execute basic and pre-basic seed production, optimize processes, and ensure seed quality. Coordinate variety registration and lead a team. Master's degree in plant breeding, agricultural or plant sciences required. Strong expertise in plant breeding and seed production processes. Excellent communication and organizational skills.

Software Engineer will develop and optimize frameworks & SDKs for Smart TVs, HbbTV, CTV, and DVB devices. Responsibilities include writing tests and debugging solutions for a range of devices. Requires 3+ years of software engineering experience, mastery of VanillaJS, TypeScript, and Node.js, and experience with testing frameworks.

Aircraft Technician (B1/B2) performs aeronautical maintenance activities, provides technical instructions, and certifies completed work. Requires AML according to EASA Part-66, experience in civil aviation maintenance, and fluency in technical English.

The Cardiometabolic Imaging group at the University Hospital Düsseldorf seeks a Research Associate to investigate heart failure in ischemic cardiomyopathy. The position involves AI-supported analysis of cardiometabolic imaging data and requires a PhD in a relevant field, experience in MR sequence development or data analysis, and knowledge of image processing, data analysis, or machine learning.

Leads and develops a cloud sales team, defines and executes cloud sales strategy, and drives revenue growth. Manages the sales pipeline, leads strategic customer engagements, and designs scalable sales processes. Requires 10+ years of experience in sales, business development, or account management within digital, technology, cloud, or energy industries.

Freelance Graphic Designer needed for the Tendem project. Responsibilities include creating layouts, infographics, social media templates, and visual assets. Must have 1-2 years of experience, proficiency in Adobe Creative Suite and Figma, and a strong portfolio.

Project Manager for international marine projects. Manages interfaces between stakeholders, oversees project execution, and analyzes company processes. Requires a master's degree, project management certification, and experience in international defense projects.

Leads the technical definition, de-risking, and validation of UHF services hosted on MEO satellites within the IRIS² program. Contributes to the definition of the end-to-end MEO UHF service architecture and performs system-level performance analyses. Requires a strong system engineering mindset, combining RF and satcom expertise with experience in satellite payload design and testing.

Lead the Group Treasury function for a multinational e-commerce organization, ensuring stable liquidity, accurate cash forecasting, and efficient treasury operations.

Strategy Analyst / Associate will work with German and Western European clients on market sizing, revenue benchmarking, and strategy projects. The role involves strategy case work, market analysis, and relationship management with C-suite individuals.

Business Development Manager will drive profitable growth for Microsoft Embedded/IoT by acquiring new customers and managing existing ones. The role involves building relationships with partners and vendors, identifying sales opportunities, and providing sales training. Requires experience in IT channel sales, strong communication skills, and fluency in English and German.