8155 English-speaking jobs in Community of Madrid

Freelance Data Science Engineer needed to design computationally intensive problems requiring Python and SQL. Must have 5+ years of experience with proven business impact, expertise in Python libraries (pandas, numpy, scipy, scikit-learn, statsmodels), and strong statistical analysis and machine learning skills.

Freelance Machine Learning Engineer needed to design computational STEM problems requiring Python programming and non-trivial reasoning. Must have 5+ years of experience, a portfolio of projects, and expertise in Python, statistics, machine learning, SQL, and GenAI technologies.

Quality Control Technician to perform chemical tests, organoleptic evaluations, and prepare quality control documentation for essential oils and aroma chemicals. Requires a Master's degree or expertise in Gas Chromatography and Mass Spectrometry. High level of English required.

As a Networking Managed Services Engineer (L2), you will monitor, identify, investigate, and resolve technical incidents and problems to ensure client IT infrastructure and systems remain operational. You will handle second-line support, execute operational tasks, and collaborate with internal and client teams.

NTT DATA seeks a Node.js Tech Lead with expertise in Typescript, IA, TDD, DDD, and Swagger. Successful candidates will possess strong communication skills, a collaborative spirit, and a problem-solving mindset.

CRM & Lifecycle Marketing Manager will design and execute automated customer journeys to increase activation, retention, and customer lifetime value. Responsibilities include owning the CRM strategy, building multi-stage onboarding, and delivering personalized communications across the customer lifecycle. Requires 5+ years of experience in lifecycle marketing, CRM, or marketing automation with a proven track record of building high-performing lifecycle programs.

English Teacher for young learners (1-18 years old) needed for Getafe, Madrid. Must have advanced English skills and a positive, energetic approach to teaching. Training provided.

Develop and execute brand strategies, manage marketing campaigns, and oversee brand identity. Conduct market research, analyze brand performance, and collaborate with internal and external stakeholders.

Remote Web Editor needed with 3+ years of experience in CMS platforms (Magento, Adobe AEM, Drupal, Wordpress) and HTML/CSS. Must have knowledge of project management tools and the ability to understand complex web page logic. Conversational Italian or English required.

Web Editor needed with 3+ years of experience and knowledge of CMS platforms like Magento, Adobe AEM, Drupal, or Wordpress. Must have HTML and CSS experience, understand web page logic, and be proficient in project management tools. Conversational Italian or English required.

Growth & Presales Consultant will lead public tenders and private proposals, analyzing briefs and RFPs, designing proposal structures, and coordinating with BX, Data, and Media teams.

AI Engineer will design and develop AI solutions to enhance user experience and drive Duckbill's strategic objectives. Responsibilities include developing prototypes, leveraging AI and ML for personalization, automating tasks, and improving human task execution quality. Requires 4+ years of experience in ML engineering, proficiency in machine learning, Python, and SQL, and experience with the MLOps stack.

HR Manager to support the Spanish Site in Alcantarilla – Murcia. Partner with site managers, provide HR expertise on employment laws, policies, compensation, talent management, and performance management. Implement HR operating model, optimize organizational designs, and support company culture change. Requires 5+ years of HR experience, strong analytical skills, and fluency in English.

Technical co-founder to build an AI-powered career matching platform. Develop AI models, scalable backend systems, and a product to help users find suitable job opportunities.

Senior Software Engineer will lead the migration of the Toolbox App's metadata delivery system to a new infrastructure. Responsibilities include designing, developing, and optimizing core features, collaborating on the technical roadmap, and taking ownership of backend components. Experience with Java or Kotlin, Spring framework, and CI tools is required.

Senior Product Manager will define and drive the roadmap for billing and monetization of an AI-native software development platform. Responsibilities include understanding customer needs, setting pricing campaigns, and working with stakeholders to align on product vision and outcomes. Requires 5+ years of experience in product management, specifically billing, payments, and monetization systems. Strong technical and data skills, customer empathy, and communication skills are essential.

Experienced Product Manager needed for YouTrack, our flagship project management tool. Develop responsive solutions based on customer insights, evaluate existing subsystems, and define product roadmaps. Drive feature delivery, monitor product adoption, and champion YouTrack internally and externally.

Senior Software Engineer to design, build, and lead development of product features for a Live Debugger, an AI-first debugging product for production systems. Experience with Java, Kotlin, JVM systems, enterprise backend software, and Kubernetes is required.

Research Engineer will own the training stack and model architecture for JetBrains' Mellum LLM family. Responsibilities include profiling, designing, and implementing changes to the training pipeline, from architecture to custom GPU kernels. The role requires expertise in PyTorch, distributed training, and large-scale LLM training techniques.

Manage multiple client projects, translating their needs into actionable requirements for technical teams. Serve as the primary point of contact, building relationships and ensuring on-time, within-budget delivery.