1400 ux stepstone germany English-speaking jobs in Berlin

Performance Engineer to perform whole-engine simulations and analyses for steady-state and transient conditions. Develop and apply thermodynamic and physics-based models to verify system requirements. Requires a technical degree and experience with jet engines or gas turbines.

Job Description Who We Are Applied Materials is the global leader in materials science and engineering solutions that are at the foundation of virtually every new semiconductor chip and advanced display in the world. The equipment that we create and service is essential to advancing AI and accelerating the commercialization of next-generation semiconductor chips.

Staff AI Engineer to own the technical quality and direction of the agent platform. Build end-to-end features, design agents, and connect them to company knowledge. Must have shipped multi-step, tool-using LLM agents to production.

Research and develop event-based perception for high-speed airborne target detection. Focus on asynchronous feature detection, event-native neural networks, and multimodal fusion using event cameras, RGB, and thermal sensing. Requires strong skills in event-based vision, ML, Python, and C++.

Working Student QA in Mobile App Development tests Android and iOS apps. You will test features, identify bugs, and support test automation while collaborating with development teams. Candidates must study a related field and have prior professional experience.

Specialist People AI Solutions drives digital HR transformation by designing and implementing automation and AI solutions. Responsibilities include developing workflows using tools like Workday and Power Automate, optimizing integrations, and managing automation projects.

Run structured outbound campaigns via cold calls to identify target companies and decision-makers across Europe. Generate qualified leads and book meetings for Account Executives while maintaining accurate CRM data. Native-level English is required.

Activity Leader creates engaging programs for international students aged 10-17. Responsibilities include leading activities, supervising students, and supporting camp operations in a fast-paced residential environment.

Drive the vision and roadmap for applications enabling charger communication, smart charging, and energy optimization within E-Mobility. This role requires technical understanding and experience in digital product development.

Security Engineer II builds security into web, mobile, and backend applications. Responsibilities include testing, triaging, and fixing vulnerabilities, automating security checks in CI/CD, and threat modeling. Requires knowledge of OWASP Top 10 and code reading in Java, Python, Go, or TypeScript.

Account Executive to convert SDR meetings into signed pilots for a technical B2B SaaS solution. Requires 2+ years closing technical solutions, running demos, and managing pipeline independently.

Sales Development Representative to qualify target companies and conduct daily outreach via call and email. Responsibilities include moving leads promptly, booking discovery calls, and maintaining CRM accuracy. Requires 1+ year in sales or customer-facing roles and fluent English.

Mandatory Internship for Product Development Engineer. Work with R&D to develop new products and formulations, combining materials science, engineering, and data analysis using Python and AI-assisted workflows.

This mandatory internship supports technical project execution for asphalt and bitumen modification. The role involves coordinating internal/external parties, supporting testing, and translating R&D into practical applications.

Own the end-to-end enterprise sales cycle in European markets. Identify and engage C-level decision-makers, manage complex sales, and drive new business growth using B2B SaaS sales experience.

Senior AI Engineer to evolve an AI platform for steel sourcing and quotation workflows. Improve AI pipelines, build agentic matching, and design agent harnesses using Python, Pydantic AI, and Langfuse.

Senior QA Engineer to build confidence in software and agentic AI workflows. Own test strategy, automate UI/API, and evaluate AI/LLM accuracy across complex business journeys. Requires 5+ years in SDET/QA with strong Python/TypeScript skills.

Develop and deploy advanced flight-control and aerial-robotics capabilities on real UAS platforms. Build interfaces between autonomy software, ROS2, MAVLink, and flight-control systems. Requires strong C++ and Python skills.

Principal Engineer QA defines quality risk assessment and gates across the streaming path. This senior IC embeds quality craft, setting standards for test architecture, rollout strategies, and AI-enabled quality engineering.

Senior QA Engineer to analyze requirements, design test documentation, and perform functional, integration, and E2E testing. Expertise needed in complex permissions, M365 integration, and mobile/API testing.