2263 English-speaking jobs in Berlin

Develop and maintain backend systems and infrastructure for a brain training platform. Contribute to feature development, ensure stability and scalability, and collaborate in a cross-functional team.

Neuronation is seeking motivated individuals interested in contributing to their mission of improving cognitive health through technology. Possible areas include Quality Assurance, Mobile Development, Backend/Frontend Development, Regulatory Affairs, Product, Engineering, Design, Marketing, Sales, Customer Success, Operations, Finance, HR, Research, and Innovation.

Design and improve the NeuroNation Brain-Training app, focusing on user growth, retention, and revenue. Conceptualize, validate, and implement new features, analyze user behavior, and collaborate with cross-functional teams.

Mobile QA Engineer will contribute to test strategies for Android and iOS applications. Responsibilities include writing test cases, executing tests, and reporting bugs. Requires experience with mobile testing, Git/GitHub, Jira, and Agile/Scrum methodologies.

Software (Senior) Engineer will build and automate end-to-end workflows connecting Workday with Slack. Develop AI-enabled or agent-based automations using scripting and orchestration frameworks. Implement API-based integrations with enterprise systems to enable automation and data-driven use cases. Support and improve existing automations and integrations. Collaborate with People Tech, HR, and other internal teams to design and deliver impactful solutions.

Design and scale manufacturing systems for AI-driven materials discovery. Develop end-to-end processes, equipment requirements, and throughput models. Bridge discovery and manufacturing, ensuring scalability without compromising innovation.

As Quantum Chemistry Specialist, you will apply quantum chemical methods to materials systems, provide first-principles insight into reaction mechanisms, and shape AI models. You will work with ML researchers, interpret experimental results, and build computational workflows.

Build agentic AI systems that reason, plan, and act within materials discovery workflows. Design and implement agents that operate over experiments, simulations, and scientific datasets, making decisions under uncertainty. Translate research concepts into robust, maintainable ML systems.

Production Director to lead all industrial, economic, and human performance of a plastic injection molding plant. Responsibilities include managing production activities, ensuring compliance with IATF 16949 and ISO standards, and optimizing production costs.

Working Student supporting the development of cloud infrastructure, software development lifecycle, and monitoring platforms. Assists engineering teams with programming, scripting, and improving infrastructure as code, CICD, monitoring, internal tools, and automations.

Leads the design and implementation of a centralized Digital Assurance Hub, orchestrating data streams into a single source of truth. Architects data integrations and ETL strategy, ensuring data integrity and security. Oversees verification of key controls and leads the quarterly verification program, translating findings into strategic risk insights.

As a Clinical Lead for Ello, you will shape the psychological approach of this AI mental wellness companion, ensuring safe, effective, and evidence-based support. You will define how Ello responds psychologically, collaborate with cross-functional teams, and ensure the quality and effectiveness of its conversational approach. You will also drive Ello's evaluation strategy, build the evidence base, and own psychological safety.

The CMS Consultant drives new carrier managed service development, including productization, sales, and operationalization. This role collaborates with partners and customers to develop service storyboards and monetization models. The CMS Consultant identifies market opportunities, assesses the competitive landscape, and builds relationships with partner executives.

This role involves managing daily catalog operations, ensuring accurate product listings on external marketplaces. Responsibilities include maintaining data standards, executing the listing process, and coordinating with internal teams. The ideal candidate has experience in e-commerce operations, catalog management, or data management, and proficiency in spreadsheet software and scripting languages.

Design, develop, and maintain machine learning models for demand forecasting, supply chain simulation, and price optimization. Collaborate with the Commercial Leadership Team to understand business needs and translate them into technical specifications. Integrate solutions into production systems and define KPIs to assess performance.

Shape the future of AI-powered search across OLX verticals. Lead the design and evolution of the Search AI Platform, developing LLM- and GenAI-based systems. Guide a cross-functional team of ML engineers, data scientists, and platform engineers. Prototype, evaluate, and productionize new ML models, including embedding-based retrieval, personalization, and relevance optimization.

Senior Software Engineer to design, build, and deliver scalable software systems for a global payments platform. Expertise in Java, Kotlin, Spring/Spring Boot, Hibernate, and JUnit required.

Project Manager will lead diverse project teams, manage business relationships, and drive IT projects end-to-end using Agile and classic methodologies.

Project Manager - Operations will support the Managing Director Operations, optimize processes, prepare reports and presentations, and monitor IT projects.

As a Medior iOS Engineer, you will design, develop, and release high-quality iOS features. You will take end-to-end ownership of projects from concept to App Store launch, ensuring the app is fast, intuitive, and delightful to use. You will collaborate with cross-functional teams to deliver impactful features and ensure the app runs smoothly, performs reliably, and scales effortlessly.