backend developer English-speaking jobs in Castile-La Mancha

Are you looking for a new challenge where advanced optimization meets real-world impact? We are looking for a Senior Optimization Scientist to join a cutting-edge technology project within the aviation and travel sector , working on complex, high-impact optimization problems.

Business Analyst – Global BaaS & API Platforms (AI-Native DX) Location: Hybrid – Madrid 2 dias de presencial At SG Tech, we design and deliver high-impact digital solutions for global clients. We are currently looking for a Senior Business Analyst / Developer Experience–oriented profile to join a Global BaaS & API Platforms initiative focused on building best-in-class developer experiences.

About Hikrobot Hikrobot is a global leader in machine vision and autonomous mobile robot (AMR) solutions, committed to enabling intelligent automation across manufacturing, logistics, and intralogistics industries worldwide.

About Us: Curapath is a global Contract Development and Manufacturing Organization (CDMO) specializing in the design, development, and GMP manufacturing of advanced polymer and lipid‐based drug delivery systems for biopharmaceutical clients worldwide.

Account Manager – Pet Health | International Markets Location: Barcelona 22@ district (Hybrid – 1 day remote per week) Start Date: February 2026 Contract Type: Permanent (6-month trial period) Sector: Green Biotech · Pet Health · Nutraceuticals The Company We are a green biotechnology start-up based in Barcelona, focused on developing science-driven solutions at the intersection of biotechno

We’re looking for top talent to join our Ecommerce team in Barcelona . Competitive conditions & a clear path to a permanent contract . Are you in?

Valencia, Spain | Full-time | Maternity leave replacement About the job ESMOVIA is looking for a Group Coordinator to manage Erasmus+ mobility projects for groups of students undertaking internships in the Valencia region.

About PackNwood-Firstpack: PackNWood-Firstpack has over 40 years of experience in the HORECA sector, providing high-quality disposable and sustainable packaging solutions for the foodservice industry. As a leader in our field, we are committed to innovation and customer satisfaction.

A superb opportunity to join this global, online travel business where you will be responsible for bringing their product to life across their social channels.

Real Estate Manager In this position you will provide leadership over the real estate strategy and function, and you will also collaborate cross functionally with internal teams including Business Development, Operations and Engineering as well as Legal, Finance and Lease Administration and external partners including customers, landlords, developers, brokers and advisers to lead and complete new

Being part of LOEWE gives you the opportunity of learning new things every day and working with people passionate about what they do, in a fast moving and ambitious company. Our Collection Merchandising department is looking for an intern to join us and support the team. If you are a fan of LOEWE, this is great opportunity to gain experience with a leading luxury fashion house.

Being part of The Animals Observatory is having an active role in the innovation and creativity that is an integral piece of the company's DNA. Whatever your position is, your voice will be heard when it comes to keep improving. So, would you like to join our talented team? We are looking for a highly organized and proactive Wholesale Operations Assistant to join our dynamic team.

FINANCE CONTROLLER – GENETIC TESTING / BIOTECH –BARCELONA FULL TIME- (NEG DEPENDANT UPON EXPERIENCE) The Finance Controller is a key member of the Finance department, providing accounting support to the regional office of a UK listed predictive genetics business (GENinCode Plc). This role supports the finance team delivering accurate reporting, cost control, and performance analysis.

About AMSAbertis Mobility Services, is a global leader in toll-based mobility solutions. With operations in the United States, Netherland, France, UK, Ireland, Puerto Rico, Chile, Canada, and Croacia, we deliver cutting-edge services and technologies for Road Authorities and Highway Concessionaires.

Senior Vice President – Revenue (Europe)Location: Barcelona (Hybrid) Employment Type: Full-time Market: EuropeAbout RateGainRateGain Travel Technologies Limited is a global provider of AI-powered SaaS solutions for travel and hospitality, serving 3,200+ customers and 700+ partners across 100+ countries.

Take your career to the next level with Amaris Consulting as an Experienced Full Stack Developer. Be part of an international team, thrive in a global group with a €800M turnover and over 1,000 clients worldwide, and an agile environment. The ideal candidate will have a proven track record in building scalable, high-quality applications and is comfortable working across the entire stack.

Job Title: Technical Lead AI & IT Platform About the Job At AS1, we operate at the intersection of football, technology, and global business. Backed by Bruin Capital investment fund and built from a network of leading football agencies worldwide, AS1 is redefining how talent, data, and opportunity connect in the modern football ecosystem.

At ASTEK Iberia, we are looking for for a Project Manager to join ASAP a strategic project within an international technology company in the travel sector. Who are you?

We are looking for a Head of Data and Analytics to join our Commercial Center of Excellence team. Location is flexible within the EU. About BarentzBarentz is the global specialty ingredients solution provider.

At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That’s why we need smart, committed people to join us. Whether you’re looking to start your career or make a change, talk to us and see how you can elevate the power of your work at Iron Mountain.