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55 Backend/Fullstack Engineer jobs in Spain
- Backend - Fullstack Engineer (m/f/d)
Schwarz Corporate SolutionsBarcelonaCloud & Infrastructure: Proven experience in Cloud development (Azure or GCP) and managing workloads in Kubernetes. 5+ years of experience as a .…30d+ - Senior Backend Engineer (m/f/d)
Freenow by LyftBarcelonaThis includes designing and building innovative, high-scale solutions for document validation and workflow automation, directly enhancing the start-to-finish……30d+ - Senior Frontend / Fullstack EngineerQ-Tech Recruitment ConsultantsBarcelona€50K (Employer provided)Diseñar, construir y mantener funcionalidades en la plataforma web (Vue.js + TypeScript). Tarjeta de retribución flexible (comida y transporte).…26d
- Backend Engineer
EmbatMadridDesign, develop and maintain our APIs and web applications for maximum robustness, scalability and security. Languages: Working proficiency in English & fluent……30d+ - FullStack Software Engineer (React and Spring Boot)
USTMadridWe are looking for a Full Stack Software Engineer with a stronger focus on Frontend development (React + TypeScript), while still being comfortable working on……5d - FullStack Developer (AI- Native DevEx Engineer)
Grupo HPSMadridEn SG Tech buscamos un AI-Native Full Stack / Developer Experience Engineer responsable de diseñar y entregar experiencias de desarrollador de última generación……30d+ - Senior Fullstack Developer (PHP + Python + Vue/React) – AI Agents
Sesame HRSpainCrear guardrails y workflows human-in-the-loop para garantizar fiabilidad y compliance. En las primeras semanas conocerás a fondo el producto, el equipo y……30d+ - Fullstack Engineer, hibridoKureosMadrid€45K - €74K (Employer provided)Realizar revisiones de código y proporcionar retroalimentación constructiva a los miembros del equipo. Colaborar con equipos multifuncionales para definir……30d+
- Fullstack Engineer and Developer, Europe (Remote) – International client
The WhiteamSpainDesign and build end-to-end web applications, covering frontend, backend, and cloud infrastructure. Data platform experience: lakehouse ecosystems and data……4d - Python Full Stack Engineer 100% (f/m/d)
Julius BaerMadridExcellent communication and collaboration skills, with the ability to work effectively with cross-functional teams and stakeholders at all levels of the……28d - Senior Fullstack EngineerKabilioBarcelonaWe are currently a tight-knit team of 65 people and plan to grow in 2026, with a strong focus on engineering, product design, and sales.…30d+
- Lead Fullstack Engineer (React+Next.js)
N-iXSpainThis is an opportunity to shape platform standards, performance practices, and developer tooling in a system operating at meaningful scale.…18d - Fullstack Developer (Remote), hibrido
WayOpsMadridTodos nuestros profesionales, sean colaboradores autónomos o asalariados, tienen un plan de carrera personalizado, ya que apostamos por el desarrollo de cada……7d - Senior Backend Engineer (Python / FastAPI) Scrum Master
RocheSpainKnowledge of numerous well documented patterns and techniques for filling in the intentional gaps left in the Scrum approach.…7d - Senior Fullstack Engineer - Accounting - 100% Remote - EMEA
HostawayBarcelona10:30-14:00 Pairing with an engineer to work on a complex scalability issue together or continue working on the ADR you started earlier, and grabbing a quick……30d+ - Senior Fullstack Engineer - Madrid/Barcelona(remote) – International clientThe WhiteamSpainThe role includes contributing to frontend development with modern technologies, making key technical decisions, driving architectural improvements, ensuring……30d+
- FullStack Engineer
NN GroupMadridCollaboration with colleagues to build front-ends and applications for BU’s in the 10 countries where Nationale Nederlanden International is activeBesides……30d+ - Sr. FullStack EngineerQ-Tech Recruitment ConsultantsBarcelonaCollaborate in code reviews and contribute to technical decisions. Participate in feature design with Product and UX teams.…30d+
- Senior Software Engineer - PayOut & Fraud
Back MarketBarcelonaThe team manages the full payout lifecycle: from executing payments to our global network of refurbishers, to handling seller onboarding and compliance……30d+ - Staff/Lead Fullstack Engineer (Data Structures Expert)
Mimica (United Kingdom)BarcelonaParticipating in architectural decisions, collaborating across teams to identify and implement product improvements and producing documentation for your……30d+ - Fullstack Developer
TMCMadridWe are looking for a Fullstack Developer with strong expertise in frontend (React + TypeScript) and extensive experience in backend development with Java Spring……12d - Frontend EngineerEmbatMadridEmbat was born in 2021 to design the best way for medium and large sized enterprises to plan their finances and monitor their cash flow in real time.…30d+
- Senior Fullstack Engineer (Java/kotlin + React)
ParserMadridWork in a cross-functional Agile team, participating in all development phases from planning to production. Write high-quality, maintainable and testable code……7d - AI First GenAI Engineer (.NET/Azure) - RemoteUSTMadridWilling to go beyond the obvious use cases and push AI further to create meaningful impact for both the client and the team.…28d
- Software Engineer
Octopus EnergyTrabajo en remotoBuild & Automate: Use your development skills to build services, automate tasks, integrate with internal/external APIs, and work with SQL.…24d - Software Engineer - PaymentBack MarketBarcelonaThe team manages the full payout lifecycle: from executing payments to our global network of refurbishers, to handling seller onboarding and compliance……30d+
- Mid Software Engineer - Operations Domain
FactorialBarcelona€43K (Employer provided)You will be a product engineer, taking ownership of big initiatives, and being interested in the outcome, not just the output. Alan as private health insurance.…27d - Fullstack Engineer
DestinusMadridYou'll contribute to the design, development and testing of various systems ranging from the production to the operation of our UAVs.…30d+ - Senior Fullstack Engineer - Lending Team
EburyMadridContribute to the development of the next iteration of our Client platform's services, collaborating both in the development and delivery of new products but……11d - Senior JavaScript Fullstack engineer for AI-powered recruitment platform
SSA GroupSpainCommunication and collaboration skills in English (written and verbal). Working schedule should be in accordance with the US Eastern Time zone.…30d+
Schwarz Corporate Solutions
Backend - Fullstack Engineer (m/f/d)
Barcelona