1400 ux stepstone germany English-speaking jobs in Berlin

Junior Kotlin/Java Software Engineer to join a cross-functional team expanding a new product. Work with cutting-edge technology using Kotlin, Java, SQL, and cloud infrastructure.

Senior Backend Kotlin/Java Engineer to build secure, scalable client-facing systems. Focus areas include authentication, onboarding, and client engagement using Kotlin/Java, AWS, and microservices.

Build and evolve business-critical clearing and settlement services using Kotlin, Java, and Spring Boot. Develop cloud-native applications on AWS, focusing on clean, secure, and maintainable code within agile teams.

Backend Software Engineer Intern role focusing on building systems for TikTok user growth, content optimization, and organic acquisition. Requires CS background, familiarity with languages like Golang or Python, and understanding of backend concepts.

PhD student role focusing on LLM/VLM research in Foundations & Intelligence Service. Responsibilities include CPT, evaluation systems, RL strategies, and probing agent failure modes. Requires PhD in CS or related field with LLM/AI Safety experience.

PhD Intern role focusing on the core recommendation stack for live commerce. Build and optimize models across recall, ranking, and mixed ranking using generative and multimodal techniques. Requires a PhD in a technical discipline and ML foundation.

PhD candidate sought for Research Scientist Intern role in Trust and Safety. Develop CV, NLP, or multimodal models to recognize violation content. Requires proficiency in deep learning frameworks.

Senior Data Scientist to build and operate horizontal data products for GetYourGuide. Develop innovative data products, own projects from challenge to production code, and leverage ML/AI on large datasets. Requires 5+ years deploying ML models in production.

Staff Decision Scientist for Paid Search develops quantitative analysis and statistical models to steer marketing decisions. Requires 8+ years of data interpretation experience, strong SQL/Python skills, and experience with causal inference methods.

Senior Frontend Software Engineer role focusing on the 80/20 full-stack position. Key responsibilities include owning the Server-Driven UI BFF layer, developing scalable solutions with Vue.js, TypeScript, and Node.js, and driving A/B experiments.

Senior Backend Software Engineer needed to build and scale global travel marketplace solutions. Requires 6+ years experience with distributed systems, high proficiency in Java, and ability to design reliable, scalable systems.

Senior Data Engineer to build trusted data foundations for customer growth. Own end-to-end data solutions using SQL, Python, and dbt. Partner with Marketing and Analytics to drive growth decision-making.

Senior Software Engineer, GraphQL - API Platform. Own and evolve the GraphQL API layer for critical customer-facing surfaces. Requires 5+ years backend experience, 3+ in GraphQL, and fluency in Java, Go, or Node.js.

Senior Backend Software Engineer to build the traveler context layer. Develop scalable solutions using Java, Spring Boot, Kafka, and Kubernetes. Requires 6+ years of experience and expertise in web application development.

Lead the vision and execution of a portfolio of data and ML products for Central Data Products. Manage a cross-functional team to drive high-impact, company-level business outcomes across horizontal data products.

Lead the vision and execution for the AI Platform team, building centralized infrastructure to enable scalable, trustworthy ML/AI features across the company. Manage hiring, roadmap, and technical strategy.

Staff Data Scientist to define and own data products driving revenue impact across growth channels. Requires expertise in Python, SQL, Databricks, and marketing analytics. Focus on ML pipelines, A/B testing, and CLV modeling.

Build and evolve OrderYOYO’s data platform in Microsoft Fabric to power executive reporting and merchant insights. Own complex data pipelines, automate finance data, and integrate AI into production solutions. Requires 8+ years of data engineering experience.

Senior Staff Software Engineer to design and maintain robust backend systems for Databricks workspaces. This role involves building high-QPS, low-latency platforms, providing technical leadership, and solving large-scale distributed systems challenges.

Forward Deployed Engineer embeds with clients to take AI solutions from idea to production. This role sets technical direction, builds foundations, and proves value in live environments using Python and LLMs.