407 English-speaking jobs in Castile and León

Research Analyst needed to fine-tune large language models. Responsibilities include analyzing data, solving logical puzzles using mathematical reasoning, and validating claims through online research. Strong analytical and English comprehension skills are required.

Recruiter to identify and engage qualified candidates across multiple departments, managing the full recruitment lifecycle from sourcing to onboarding. Requires experience with ATS, sourcing platforms, and conducting structured interviews.

Identify and secure high-impact partnerships to drive customer acquisition and revenue growth. Develop and execute partnership strategies, negotiate agreements, and manage relationships within technology or digital platforms.

Entry level Sales role for graduates, non-graduates, and career changers. Responsibilities include lead generation, outreach, qualifying leads, and pipeline management. Salary is €30-€60k plus commission.

Enterprise Client Partner drives adoption of advanced AI solutions across Fortune 500 enterprises. Responsibilities include owning the full sales cycle, negotiating high-value contracts, and building C-level relationships. Requires 5+ years in enterprise sales, preferably in AI or SaaS.

Data & AI Engineer needed with extensive GCP experience. Build robust data pipelines, manage ingestion/tokenization, and leverage AI for business solutions. Requires Python, Airflow, and LLM/prompt engineering skills.

Sales Expert needed to test AI systems by writing realistic sales prompts and objective rubrics. Requires 5+ years in sales/account management and 3-4+ years of QuickBooks experience.

Design static ad creative for Meta for a premium men's watch and jewelry brand. Responsibilities include retouching product imagery and iterating on top-performing creative. Requires demonstrable static ad work for DTC brands.

E-commerce Creative Designer to shape Cat Elite's look across webshop, campaigns, and social channels. Design website/ad creative, plan social content, and edit short-form video using modern AI tools. Requires 3-5 years of digital/e-commerce design experience.

Firmware Developer to join the Large Format team, developing and maintaining firmware for large-format printers. Requires solid C++ and OOP knowledge. Experience with Qt/QML is a plus. Must have strong communication skills and a willingness to learn.

Senior Full Stack Engineer needed for international projects using Node.js and React. Responsibilities include integrating third-party systems and translating business needs into technical specifications. Requires TypeScript, Node.js, React.js, PostgreSQL, and strong English.

Seeking a freelance Senior Java Developer for a long-term project with a financial institution. Requires 8+ years of Java experience, proficiency in Spring Boot, Kafka, Redis, and PostgreSQL/MongoDB. Must have strong testing skills.

Junior Solutions Architect role for those transitioning from technical delivery. Help evaluate designs, connect applications, and support cloud evolution. Requires 3+ years in development, integration, or infrastructure with Azure and Oracle Database knowledge.

Experienced IT Infrastructure & Cloud Project Manager needed to lead initiatives involving Microsoft Azure, corporate systems, and networking. Requires 5+ years of relevant project experience and knowledge of Azure, M365, and enterprise networking.

Junior AI Engineer to own the data platform and build AI systems for investment decisions. Responsibilities include data ingestion, ETL pipelines, and developing LLM-based systems. Requires advanced Python, SQL, and software engineering fundamentals.

Mid/Senior .Net Developer needed for a client in the banking sector. Design, build, and maintain high-quality .NET software components. Requires expert C#/.NET Core, OOP, and API development skills.

Senior SRE Engineer to lead production resilience, define SLIs/SLOs, and drive observability strategy. Requires 5+ years in SRE/Cloud, deep knowledge of SRE principles, observability, and Kubernetes.

Junior Cloud Engineer role focusing on building hands-on experience in cloud-native environments. Tasks include supporting infrastructure, writing basic IaC, and maintaining CI/CD pipelines under supervision. Requires basic Linux, cloud, and container knowledge.

Experienced SAFe Scrum Master needed for a large-scale Diagnostics and Healthcare Transformation Program. Drive Lean-Agile practices, facilitate SAFe ceremonies, and resolve impediments in a regulated environment.

Experienced SCQM / Supplier Quality Engineer needed for an international naval project. Responsibilities include managing supplier quality, leading audits, and driving CAPA using tools like 8D and RCCA. Requires an engineering degree and relevant experience in the naval or shipbuilding sector.