ruby English-speaking jobs in Castile-La Mancha

Full-cycle Account Executive to build pipeline, close complex deals, and scale sales for a fast-growing SaaS company.

Data Scientist intern will apply data science methods to real-world business situations across various industries. Responsibilities include framing business challenges, designing algorithms, implementing solutions, and partnering with clients. Must be comfortable in a client-facing role and have a strong understanding of machine learning techniques.

Senior F# Backend Engineer will design, develop, and optimize mission-critical systems for a Fleet Management System (FMS). Requires 10+ years of experience in building cloud agnostic, scalable, and secure solutions, with proven expertise in F#, graph theory, pathfinding algorithms, and object-oriented design. Must have experience with RESTful APIs, microservices architecture, and cloud platforms.

DevOps Engineer to design, implement, and maintain cloud infrastructure for autonomous robot fleets. Responsibilities include building CI/CD pipelines, improving observability, and automating deployments. Requires experience with Kubernetes, Docker, Terraform, and CI/CD tools.

Senior Performance Marketing Manager will own paid media strategy and execution for B2B SaaS clients across LinkedIn, Google, Reddit, and other channels. Responsible for budget allocation, testing roadmaps, and performance reporting tied to CAC and pipeline. Requires 5+ years in paid media, strong hands-on experience with LinkedIn & Google Ads, and experience connecting paid performance to CRM and revenue. Must integrate AI into campaign research, testing, and creative iteration.

Technical Product Manager providing technical support, building relationships with clients and 3rd party labs, and leading a sales team.

Chief Commercial Officer to lead international expansion of a health-tech company. Define and execute global commercial strategy, lead sales and partner teams, and accelerate market penetration. Requires 10+ years of B2B SaaS experience, internationalization expertise, and advanced English.

Commissioning Technician will execute test and commissioning activities for hydrogen generation units. Responsibilities include data acquisition, Factory Acceptance Tests, and supporting Site Acceptance Tests. Requires FP II in mechanical, electrical, chemical, or similar studies and 2+ years of experience in production processes.

Convert inbound demand from luxury hotels (30+ rooms) into signed agreements. Collaborate on proposals and branding concepts. Maintain pipeline ownership in CRM. Fluent Spanish & English required. Barcelona-based with 3+ days/week in Sitges office.

Manage customer complaints and product recalls, ensuring compliance and protecting product quality and reputation. Coordinate with technical teams to investigate root causes, propose corrective actions, and communicate with customers.

Casamona Real Estate seeks a fluent English and Spanish speaker to assist with property leasing, finding new listings, and creating marketing content.

Experienced Environmental Health & Safety (EHS) Specialist to lead EHS programs across Biogas, Food & Beverage, and Carbon Capture projects in Europe. Develop, implement, and maintain EHS policies, procedures, and site programs. Conduct site audits, risk assessments, and incident investigations. Ensure compliance with regulatory standards and industry best practice. Bachelor's degree in EHS, Occupational Health & Safety, Engineering, or related field required. Minimum 5 years' experience in EHS roles within field service, heavy industry, energy, or related sectors. Must be based in Europe and hold a permanent right to work within Europe.

Senior Angular Developer to build and ship features on a large-scale web platform. Requires 5+ years of experience with TypeScript and Angular, deep knowledge of Angular fundamentals, and experience building complex data-driven visual interfaces.

Business Development Representatives drive rapid market expansion in new regions and segments. Focus on SMB and mid-market in e-commerce, retail, and service industries. Build a pipeline through outbound outreach, leverage personal networks, and close deals.

Senior Business Development Manager drives revenue growth by building partnerships with mobile game & app developers. Manages client relationships, conducts market research, and represents TopOn at industry events. Requires 1-3 years of sales experience, a proven track record of exceeding targets, and knowledge of mobile advertising.

System Integrator (Avionics) for international projects. Own electrical and electronic system integration of unmanned aerial systems, including wiring, electrical architecture, and physical integration. Design, improve wiring harnesses, and create electrical documentation. Plan and execute electrical testing and support system integration, ground, and flight testing.

Lead expansion into new geographies, platforms, and sub-brands for a high-performing supplement brand. Own commercial performance, define success metrics, and build new sub-brands. Requires 3+ years of experience growing ecommerce brands, excellent commercial judgment, and comfort with ambiguity.

Sanitas seeks entrepreneurial professionals to develop their own business as Exclusive Insurance Agents in Mazarrón, Murcia. Agents will manage their own commercial activity, build client portfolios, and utilize digital tools to grow their business.

Clinical Research Associate needed for global clinical development and trial implementation. Requires 2+ years of experience in a similar role, strong understanding of ICH-GCP, FDA, EMA, and local regulations, and fluency in English.

Client Relations Agent will manage inbound inquiries from clients via phone, email, and digital channels. Responsibilities include organizing leads, updating client records, and coordinating with sales agents. Requires 1-2 years of experience in client relations, customer service, or administrative coordination. Fluency in Spanish and English is required.