backend developer English-speaking jobs in Castile-La Mancha
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Arquitecto
- ARANER
- Madrid
- January 21
Architect to collaborate on electromechanical projects from tendering to construction. Responsibilities include architectural design, Life & Safety design, drawing production, and technical/commercial study. Requires experience in architectural design for industrial/utility buildings, Life & Safety design based on NFPA standards, and proficiency in AutoCAD and MS Office.
Marketing Manager
- Bioxy
- Madrid
- January 22
Lead marketing efforts for innovative wellness products, developing and executing multi-channel campaigns. Create bilingual content and analyze campaign performance to optimize ROI. Collaborate with founders to boost brand visibility and scale presence in a global market.
Software Engineer – C/C++ Microcontrollers Madrid (Spain)
- Gattaca
- Madrid
- January 21
Embedded Software Engineer to develop C/C++ software for high-performance embedded environments. Implement concurrent programming, process optimization, and resource control. Integrate, debug, and test systems based on microcontrollers.
Consolidation Specialist
- BMS Group
- Madrid
- January 21
Consolidation Specialist to join the Finance team in Madrid. Prepare and execute financial consolidation for group entities in Colombia, Peru, and Spain. Coordinate, review, and validate financial information, perform intercompany eliminations, and prepare reports for UK Head Office.
AI Cloud Architect
- NTT DATA Europe & Latam
- Valencia
- January 21
NTT DATA seeks an AI Architect to design, implement, and guide enterprise-grade AI and generative AI solutions. Responsibilities include architecting end-to-end AI platforms, providing guidance on model development and infrastructure automation, and collaborating with stakeholders to ensure alignment with organizational goals.
Graphic Designer
- NSN Never say never
- Barcelona
- January 22
Graphic Designer needed for in-house agency at sports and entertainment holding company. Develop campaigns, brand proposals, and activations. Collaborate with creative team to bring ideas to life. Must have 5+ years experience in advertising, proficiency in Adobe Suite, and strong understanding of branding. Native Spanish and English required.
Events Director
- World Travel & Tourism Council
- Madrid
- January 21
The Events Director plans, coordinates, and delivers WTTC's global events program, including the annual Global Summit. This role oversees all event operations, logistics, delegate management, and on-site delivery, ensuring events meet the highest professional standards.
Senior Performance Marketing Manager (AppLovin/Axon)
- PowerUp Talent
- Barcelona
- January 21
Senior Performance Marketing Manager will lead growth strategies for mobile gaming titles using AppLovin, Google Ads, and other ad networks. This role involves running experiments, optimizing campaigns, and collaborating with cross-functional teams. Requires 5+ years of experience in performance marketing for mobile gaming, expertise in AppLovin and Axon, and strong analytical skills.
Student Talent Development Officer
- EU Business School
- Catalonia
- January 22
Senior-level Career Services & Talent Development Officer to oversee internship program management, student support, and partner engagement. Responsibilities include coordinating internship placements, providing career coaching, organizing events, and tracking program outcomes. Requires 3+ years of experience in career services, event management, or a related field. Fluency in English and basic Spanish required.
Travel Retail Business Developer
- Eight & Bob
- Valencia
- January 21
Eight & Bob seeks a Business Developer to lead and expand its Travel Retail presence globally. The role involves developing and managing strategic partnerships with Travel Retail operators, distributors, and airport retailers. Responsibilities include negotiating listings, assortments, pricing, and ensuring brand excellence at point of sale.
Dynamics 365 Functional Consultant Finance
- The Wise Seeker
- Madrid
- January 22
Senior Project Manager – Food Sector
- Group-IPS
- Valencia
- January 21
Senior Project Manager to lead complex industrial projects from planning to delivery. Experience in project management, client communication, budget control, and technical oversight required. Must possess strong analytical and problem-solving skills, and fluency in Spanish and English.
Sales Assistant (40h)- Flagship Passeig de Gràcia (Barcelona)
- PHILIPP PLEIN
- Barcelona
- January 21
Sales Assistant for a luxury brand flagship store in Barcelona. Deliver exceptional customer service, achieve sales targets, and build client relationships. Minimum 3 years of sales experience required, fluency in English mandatory.
Senior Software Engineer
- Share
- Madrid
- January 22
Senior Software Engineer will lead full-stack development of Share's next-generation internet platform. Responsibilities include architecting and implementing backend services, integrating databases, and designing data pipelines. Requires 5+ years of experience in full-stack development, expertise in React, Node.js, and Python, and experience with SQL and NoSQL databases.
Full Stack Node.js/MongoDB Engineer with AI for Financial Institutions
- RealDayEye
- Badalona
- January 21
Full Stack Node.js/MongoDB Engineer to develop and maintain web applications integrating AI solutions for financial institutions. Requires proficiency in Node.js, MongoDB, AI/ML models, and front-end frameworks.
Senior Physicochemical Laboratory Technician - Quality Control
- 3PBIOVIAN
- Noáin
- January 21
Senior Physicochemical Laboratory Technician will plan laboratory activities, manage human resources, and ensure accurate results. Requires a university degree in Chemistry, Biochemistry, Biology, or Biotechnology and at least 7 years of experience with GMP regulations and analytical methods. Experience managing a technical team in a laboratory is preferred.
Enterprise Account Executive
- WSO2
- Madrid
- January 21
Senior Sales Executive to manage up to 14 high-profile Public Sector accounts in Spain. Responsibilities include developing sales pipelines, building client relationships, and driving revenue growth. Requires proven experience in Public Sector sales and understanding of API management, integration, and IAM technologies.
AI Engineer (Python) – Health Tech Startup in Madrid
- Talcom
- Madrid
- January 21
AI Engineer will design, build, and operate AI models for a health tech platform that transforms medical laboratory data into actionable clinical insights. Responsibilities include building model pipelines, integrating LLMs, developing APIs, and ensuring system reliability. Requires a computer science background, software engineering experience, and expertise in machine learning systems.
Digital Marketing Manager
- Toluna
- Madrid
- January 21
Leads digital user acquisition campaigns to grow market research panels globally. Manages campaigns across various channels, including affiliate marketing, co-registration, app campaigns, and direct media buying. Oversees campaign performance, identifies new channels, and collaborates with internal and external teams.
Business Development Representative + Expert Sales Mentorship
- Tangent
- Barcelona
- January 21
As a Business Development Representative, you will proactively book qualified meetings through various outreach methods, research target markets, and build tailored messaging sequences. You will analyze outreach metrics, collaborate with Marketing and Sales, and ensure a steady flow of high-quality leads.









