Empleos de senior software engineer fullstack en Barcelona

Our Vision & Products 🚀 EverAI — Building the Future of AI Companionship One of the Top 15 Largest & Fastest-Growing AI Companies in the World 50 Million Users in 2 years — Help Us Reach 100M first, 500M next At EverAI, we’re shaping what it means to connect with AI. With 50 million users and counting, we're not just building products — we're...

Our partner is looking for a Senior Software Engineer – C# / .NET based in Spain. Join a globally distributed software organization developing innovative solutions that help consumer brands optimize operations, recover revenue, and grow across major retail marketplaces. As a Senior Software Engineer, you will take end-to-end ownership of product...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage.Our clients include the...

Overview WELCOME TO SITA At SITA, we keep airports moving, airlines flying smoothly, and borders open. Our technology and communication innovations power the success of the global air travel industry. You’ll find us in 95% of international airports, working closely with over 2,500 transportation and government clients. Each partnership brings unique...

Entrez dans une entreprise qui n'a jamais été automatisée, comprenez comment elle fonctionne réellement, et ayez quelque chose qui marche devant elle en deux semaines. Puis transmettez correctement, et allez le faire ailleurs. Comprendre le processus, sur place Écrire l'architecture fonctionnelle Mener le développement agentique jusqu'à la PoC...

This job is with Adaptive Financial Consulting Ltd, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design...

Thunes' proprietary Direct Global Network allows Members to make payments in real-time in over 130 countries and more than 80 currencies. The network connects directly to over 7 billion mobile wallets and bank accounts worldwide, as well as 15 billion cards via more than 320 payment methods (e.g., GCash, M-Pesa, Airtel, MTN, Orange, JazzCash, Easypaisa,...

System design feature (60 min) Hi, we're Back Market. We're here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new. Turns out refurbished tech is way better for the...

Java Senior Software Engineer - CX (Hybrid)As you contemplate your future, you might be asking yourself, what's the next step? We're seeking an experienced Java Senior Software Engineer to join our Customer eXperience team in Madrid or Barcelona (Hybrid) to bring the power back to travellers. 5 brands: eDreams, GO Voyages, Opodo, Travellink, and the...

We are looking for a Senior Software Engineer to join the team. The role will be reporting to Development Team Lead Location: Spain While Spain is the preferred location for this role, we embrace a flexible approach and welcome applications from talented professionals based in Luxembourg & the United Kingdom subject to local employment requirements....

Senior Manager Development Managed Integrations ADP is hiring a Senior Manager Software Development. This requires leaders and team members who are demonstrating the willingness to learn, have a can-do mentality, are eager to get their hands dirty-feet wet, are flexible and agile. In this role, you will work in an Agile development environment, managing one...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‐edge digital health platform that fuses continuous biosensor data, high‐performance backend engineering, and advanced analytics to help people live...

Wizeline, a global AI-centric technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact. Backend: Hands-on...

We power people's progress. At Preply, we're all about creating life-changing learning experiences. ¿Todo listo para enviar su solicitud? Por favor, lea la descripción al menos una vez antes de hacer clic en "Solicitar". We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our...

Dow Jones is seeking a Senior Software Engineer to join the GenAI Experiences team in Barcelona. You will own end-to-end delivery of AI-powered features, collaborating with data scientists, ML engineers, and product managers to design scalable backend services and integrate LLM APIs. Lead technically on large projects, mentor colleagues, and remain hands-on...

Join us at Wolters Kluwer and be part of a dynamic global technology company that makes a difference every day. We provide expert software and information solutions that the world's leading professionals rely on, in the moments that matter most. We are currently looking for a Senior Product Software Engineer to join our team. Take your software engineering...

The Apex Group was established in Bermuda in 2003 and is now one of the world's largest fund administration and middle office solutions providers. Our business is unique in its ability to reach globally, service locally and provide cross-jurisdictional services. Your career with us should reflect your energy and passion. Take the lead and we'll give you the...

Java Senior Software Engineer - CX (Hybrid)As you contemplate your future, you might be asking yourself, what's the next step? We're seeking an experienced Java Senior Software Engineer to join our Customer eXperience team in Madrid or Barcelona (Hybrid) to bring the power back to travellers. 5 brands: eDreams, GO Voyages, Opodo, Travellink, and the...

Overview Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact. Responsibilities...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‐edge digital health platform that fuses continuous biosensor data, high‐performance backend engineering, and advanced analytics to help people live...