1396 ux stepstone germany English-speaking jobs in Berlin
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Mathematics Expert
- Mercor
- Berlin
- November 7
- remote work
- part-time
Applied Mathematics Benchmark Specialist role requires a PhD or doctoral candidate to author complex math questions, provide detailed solutions, and verify problem clarity for AI research labs.
STEM Researcher - AI Lab Support
- Mercor
- Berlin
- November 7
- remote work
- part-time
STEM Researcher for AI Lab Support. Complete research tasks like literature review, data analysis, and modeling using Python/Jupyter, MATLAB, or R. Requires MSc/PhD in a STEM field and must own a MacBook.
Enterprise IT Consultant
- Mercor
- Berlin
- November 7
- remote work
Enterprise IT Consultant role requires 5+ years in IT consulting or managed services at a Fortune 500 firm. Responsibilities include building complex consulting scenarios for F500 accounts across digital transformation and systems integration.
STEM Specialist - Quantitative Analysis
- Mercor
- Berlin
- November 7
- remote work
STEM Specialist needed to evaluate complex problems in physics, chemistry, mathematics, or biology. This role involves applying structured reasoning to quantitative methods and data analysis while collaborating on interdisciplinary problems. A STEM degree and 1+ year of relevant experience are required.
Nuclear Security Expert - Red Team
- Mercor
- Berlin
- November 7
- remote work
Nuclear Security Engineer role involves writing prompts (benign, dual-use, adversarial) and evaluating AI responses against policy. Requires experience in material control, physical protection, or vulnerability assessment.
Lead Backend Engineer - Personalization (all genders)
- ABOUT YOU
- Berlin
- November 7
Lead Backend Engineer for Personalization, owning complex systems in Search, Recommendations, or Sorting. Shape architecture for high-throughput services, combining ML and business logic. Requires 7+ years building scalable backend systems.
Senior DevSecOps Engineer (all genders)
- ABOUT YOU
- Berlin
- November 7
Senior DevSecOps Engineer owns and evolves AWS/Kubernetes infrastructure using Terraform. Responsibilities include designing CI/CD pipelines, embedding security controls, and leading monitoring initiatives. Requires 5+ years in DevOps/SRE and 3+ in security roles.
Staff App Engineer - Discovery & Consideration (all genders)
- ABOUT YOU
- Berlin
- November 7
Staff App Engineer to build and maintain high-quality iOS and Android mobile applications using Flutter. This role involves contributing to architecture, setting coding standards, and improving developer productivity. Requires 4+ years of programming experience and expert Dart/Flutter knowledge.
Senior Full Stack Engineer - Campaign Engine (all genders)
- ABOUT YOU
- Berlin
- November 7
Senior Full Stack Engineer to build the Campaign Engine, shipping end-to-end features using PHP/Laravel APIs and React UI. Requires 5+ years experience, deep expertise in PHP 8, Laravel, TypeScript, and contract-first API design.
Application Security Engineer (all genders)
- ABOUT YOU
- Berlin
- November 7
Application Security Engineer to protect online shop and corporate systems. Responsibilities include penetration testing, code reviews, and implementing security measures in AWS/Kubernetes. Requires 2+ years in application security with Python skills.
Backend Engineer - Search Engine (all genders)
- ABOUT YOU
- Berlin
- November 7
Develop a cutting-edge Search Engine using Node.js and TypeScript. Manage large data volumes with Google BigQuery and build high-traffic APIs. Requires 3+ years in Backend and 2+ years building scalable APIs.
Senior Backend Engineer - Search & Discovery (all genders)
- ABOUT YOU
- Berlin
- November 7
Senior Backend Engineer develops the search engine for ABOUT YOU using Node.js/TypeScript. Responsibilities include query understanding, entity resolution, and integrating LLMs and embedding models. Requires 5+ years building scalable, low-latency backend APIs.
Senior Backend Engineer - Ranking Systems (all genders)
- ABOUT YOU
- Berlin
- November 7
Senior Backend Engineer to build and own a high-throughput ranking engine. Responsibilities include developing low-latency APIs with Node.js/TypeScript and designing batch write pipelines. Requires 5+ years of backend experience and strong SQL knowledge.
Senior App Engineer - Purchase & Post Purchase (all genders)
- ABOUT YOU
- Berlin
- November 7
Senior App Engineer to build and ship high-impact features for the AY App using Dart and Flutter. Requires 4+ years of programming experience and extensive expertise in Dart, Flutter, and complex UI development.
Analytics Engineer - Shop Analytics (all genders)
- ABOUT YOU
- Berlin
- November 7
Design and maintain scalable data pipelines for shop performance and retail media reporting. Build automated reporting, enhance revenue attribution, and own data quality. Requires 3+ years experience with Advanced SQL, dbt, and big data platforms.
Lead App Engineer - Discovery & Consideration (all genders)
- ABOUT YOU
- Berlin
- November 7
Lead App Engineer to build and maintain high-quality iOS and Android applications using Flutter. This role involves setting coding standards, cross-stack collaboration, and improving developer productivity. Requires 4+ years of programming experience and expert Dart/Flutter knowledge.
Development Expert - Virtualization (C, Linux, x86/ARM) (f/m/d)
- SAP
- Berlin
- November 7
Design and implement low-level virtualization technologies for processors, memory, and devices. Requires extensive experience in C, Linux, x86/ARM, and high-concurrency software development.
Knowledge Graph Tech Lead (m/f/d)
- SAP
- Berlin
- November 7
Own the technical vision for SAP’s Industry Knowledge Graph. Lead a multidisciplinary team in modeling industry data into production-grade RDF Knowledge Graphs, integrating them with LLMs. Requires deep expertise in the RDF stack.
Kubernetes/DevOps Engineer with Go Skills for Sovereign Cloud (m/f/d)
- SAP
- Berlin
- November 7
- part-time
Build enterprise cloud infrastructure for European data sovereignty using Go, Kubernetes, and Terraform. Solve complex distributed systems challenges at scale in a DevOps role.
Genomics Researcher
- Mercor
- Berlin
- November 7
- remote work
- part-time
Bioinformatics & Computational Single-Cell Genomics Expert needed to design challenging computational problems for AI systems. Requires graduate-level STEM training, Python skills, and proficiency with scientific software like scanpy and scvelo.




















































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