frontend developer English-speaking jobs in León

Customer Support and Booking Agent – Madrid Based About the Company Traventia is an online travel agency with over a decade of experience helping travelers create unique experiences. We specialize in personalized travel packages, allowing each customer to design tailor-made holidays adapted to their preferences, needs, and budget.

About RevolutPeople deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 45+ million customers get more from their money every day.

Are you looking for an opportunity to work with world leading products with a global reach? This is your chance to work with an international innovator in the healthcare industry that drives clinical change to improve patient outcomes.

As a Customer Service Support Team Lead, you will supervise activities and personnel of the Customer Service Support Department serving Customer Service in country to achieve service quality standards and client satisfaction. Ensure all activities within Customer Service Support are performed to the required standards in accordance with existing procedures in a timely manner.

About Us:INFINNI is building the infrastructure that powers the creator economy. We’re a technology company reimagining how creators work by designing powerful, modern tools that make it simple to manage, distribute, and scale their work. The creator economy is on track to exceed $480B by 2027, yet the software powering it is fragmented and outdated. We’re here to change that.

Are you looking for the next challenge in your career? Would you like to be part of an exciting highly qualified team of professionals in an international environment? We are currently looking for a qualified IOS/Android Developer Madrid Join an international division and work alongside with some of the most talented engineers and technicians from all over the world.

Vision Healthcare is an ambitious consumer healthcare company with a large portfolio of Food Supplement brands in several European countries. Vision Healthcare strongly focuses on an omnichannel approach through which its brands are marketed, with a specific focus on emerging digitalized and direct-to-consumer channels.

About the Voith Group The Voith Group is a global technology company. With its broad portfolio of systems, products, services and digital applications, Voith sets standards in the markets of energy, paper, raw materials and transport & automotive. Founded in 1867, the company today has around 22,000 employees, sales of € 5.

Software Developer in our Customer Care Team - Business Software Odoo Location: Madrid, Spain (or any other preferred location) braintec is Europe's leading full-service Odoo consulting company, with offices in Switzerland, Germany, Austria, Spain, and Poland.

Job Title: Project Manager Hotel ConstructionLocation: Barcelona, SpainSalary: €NegotiableA well-established company in the hospitality development sector is seeking an experienced Interior Design Project Manager with a proven track record in hotel construction and renovation. Please apply only if you meet this specific requirement.

T4S Advance Solutions keep growing! T4S is a leading provider in the SAP field. Our strategic position is the result of our talented skilled and experienced people. We strive to attract top talent seeking to develop their full potential by delivering excellence to our clients.

You will make an impact in the following way: Contribute to sales pipeline growth and success rate through proposing connectivity solutions to customers in the transportation and energy verticalsDeliver technical influence in all assigned accounts and projectsAssist the Sales team in the design of high value RFI/RFQ answers for complex and critical infrastructure projects (Railway, Power Generatio

Who we are mylife Diabetes Care is a renowned diabetes specialist with over 40 years of experience. mylife Diabetes Care presents and markets its product portfolios under the umbrella brands mylifeTM directly to patients or via pharmacies and hospitals.

Are you looking for an opportunity to develop your professional career in a CDMO Manufacturing Operations department? The successful candidate will join 3PBiovian as a Buffer Technician. Main responsibilities: Achieve the objectives set by the Team Leader and the DSP/BUFFER manufacturing manager.

Angular + NodeWhy this roleHelp design, build, and scale the companys platform using Angular on the front end and Node on the back end. You will shape features end to end, mentor developers, and bring modern delivery practices that keep quality high and lead time low. You will work closely with Product to define solutions that perform in complex, highly regulated customer environments.

*** Integration Lead Architect - Europe - Remote***Here at RED, we are looking for an Integration Lead Architect - to start on an Integration project for one of our global end clients. The consultant is expected to start January 2026 and for an initial 4 months contract with a possibility of extension. The project will be a fully remote position.

At Hays, we are partnering with a German pharmaceutical company with over 125 years of history, headquartered in Bad Vilbel and present in more than 120 countries. Specializing in generic medicines, OTC products, and hospital specialties, it also drives the development of biosimilars, positioning itself as a global leader in healthcare.

Job Description:As a Calypso TA you will work in agile/not agile frameworks, workshops/events facilitation, teach and communicate with different organizational levels. You will participate in several projects, focusing on delivering value to the customer in a sustainable, iterative, and collaborative way.

Job Description About the company At Nuitée, we are building the API backbone for the global travel industry. Founded in 2017, Nuitée is on a mission to transform a fragmented travel ecosystem with simple, scalable, and API-first infrastructure—think “Stripe for Travel.

Our client: is a leading growth consulting firm with a strong foundation in academic expertise and practical market experience. Specializing in revenue growth, route-to-market strategies, and direct-to-consumer approaches, they deliver 20x returns by optimizing customer journeys, pricing, and channel strategies.