390 trainee traineeships marketing English-speaking jobs in Berlin

The Leibniz-Institut für Kristallzüchtung (IKZ) seeks a leading expert in AlGaN heteroepitaxy and device-oriented materials development for the IKZ International Fellowship Award 2026. The ideal candidate has a strong track record in AlGaN heteroepitaxy, employing techniques like MOVPE/ MBE, and has made contributions to epitaxial growth mechanisms, material quality, and heterostructure design for deep-ultraviolet optoelectronic devices and/or AlN-based high-power/high-frequency electronic devices.

As a Video Engineer, you will develop and maintain C++ and Go-based software for Zattoo's proprietary CDN. You will work on tasks such as writing code, testing, configuring data pipelines, and debugging. You will collaborate with other teams and contribute to the development and maintenance of the CDN edge nodes, backend services, and Python middleware.

The Coordinator of Academic Services supports NYU Berlin's academic community by assisting students and lecturers. Responsibilities include co-designing and delivering the academic orientation program, coordinating co-curricular activities, advising students and lecturers, and providing administrative support.

Design and enforce reliability, testing, and safety practices across Dunia's AI-native, automated laboratories. Minimize downtime, prevent failure propagation, and ensure high-quality experiments and datasets.

Freelance Visual Data Collectors capture real-world images for AI model training. Success depends on following instructions precisely and taking authentic, unedited photos of everyday scenarios. Compensation is $3.50 per approved series of 5-6 photos.

Chemical Data Scientist needed to analyze experimental data from materials discovery campaigns. Identify patterns, anomalies, and failure modes. Shape data pipelines and analytical views to improve scientific workflows. Master's or PhD in chemistry, electrochemistry, materials science, or related field required. Strong Python skills and experience with data analysis tooling.

Research assistant position supporting a DFG-funded project on sociology in Arabic journals (1900-1952). Doctoral dissertation on the topic required.

Define and own the evaluation of AI models for materials discovery. Design, implement, and maintain evaluation frameworks and metrics. Benchmark models, identify failure modes, and connect AI performance to real outcomes.

Collects mapping data using client-provided vehicles equipped with data collection equipment. Operates vehicles safely and efficiently, adhering to project guidelines. Maintains vehicle and equipment cleanliness and reports incidents professionally. Requires 5+ years of driving experience, 2+ years professional driving experience, and good English.

QA Engineer will define, document, and maintain test and quality processes for mechanical space systems. Ensures product compliance with internal specifications, customer requirements, and applicable standards. Develops and maintains test procedures, work instructions, and inspection plans. Drives continuous improvement initiatives to increase reliability and operational efficiency. Supports test planning, execution, and reporting. Collaborates with the engineering team to ensure repeatability, traceability, and compliance.

Working Student (f/m/d) - UX Design will support design efforts and learn from experienced professionals. Responsibilities include designing user-centric experiences, collaborating cross-functionally, supporting user research, and contributing to quality control.

Teamlead (m/f/d) for advanced structural blade repair in Berlin. Requires valid IRATA/FISAT Level 3 climbing license, experience with structural blade repairs, vacuum techniques, and leadership experience. Responsibilities include leading a team of 2, carrying out repairs via rope access, and documenting work. Fluent English required.

Support the preparation of human geography courses and the "Geographies of Global Inequalities" master's program. Assist with scientific work processes.

Develop and improve AI-driven product features using LLM APIs. Build chat-based UX flows and AI integrations for legal professionals. Design, implement, and maintain backend systems using FastAPI and Python. Collaborate with Product and Legal Engineering teams to prototype, test, and refine AI use cases.

Design and animate executive presentations, including keynotes and PowerPoint content. Create visual assets for social media, videos, and other materials. Translate complex technologies into engaging visuals. Collaborate with executives and creative teams.

Enterprise Account Executive responsible for establishing new business in an enterprise environment. Consultative solution selling, win new accounts, and grow existing business to meet revenue and profit targets. Requires 5+ years experience selling software/SaaS, IaaS, or OT Platform products to enterprise customers. Proven track record of high performance and a hunter sales mentality.

1GLOBAL seeks a B2B Salesperson to drive growth by identifying and acquiring new accounts in the IoT industry. The ideal candidate will have 5+ years of B2B sales experience, a proven track record of exceeding sales targets, and experience engaging with C-level executives. Responsibilities include prospecting, consultative selling, relationship management, solution presentation, negotiation, and sales process management.

This Post Market Surveillance (PMS) Specialist role focuses on vigilance activities, adverse event reporting, and recall/FSCA procedures for medical devices. The position requires experience in medical device regulations, vigilance database management, and literature review.

Qualified English-speaking early childhood education professionals are needed to implement the Fröbel "Bilingual Education" focus at German centers. Responsibilities include supporting all aspects of early childhood education and care in English, planning and implementing pedagogical processes, and documenting children's development.

Design, test, and optimize separation processes for a first-of-a-kind CO₂ capture facility. Collaborate with internal and external partners to develop and validate process models. Drive process engineering documentation and ensure compliance with regulatory standards.