148 web api jobs in Barcelona, España.

Mostrando vacantes

N26

SEO/GEO Manager

Hace 11 días

Remoto

... search roadmap across key N26 operating markets (Germany, France, Spain, Italy, Austria, and pan-Europe). - Technical SEO Leadership: Partner with Product and Web Engineering teams to maintain flawless technical site health, addressing site speed, crawlability, indexing, Core Web Vitals, dynamic rendering, and international ...

Barcelona, España

Senior Full-Stack Developer - Barcelona

Hace 12 días

Presencial
Tiempo completo

€45,000 - €65,000 a year

... our innovative technology team in Barcelona. This is a Full-time, on-site position where you'll be responsible for designing, developing, and maintaining robust web applications using modern technologies. You'll work on exciting projects that impact thousands of users, collaborating with a passionate team of engineers, designers, ...

Barcelona, España

Senior Full Stack Developer (Permanent Contract)

Hace 13 días

Presencial
Tiempo completo
Contrato

€45,000 - €65,000 a year

... Senior Full Stack Developer to join our innovative technology team in Barcelona. This is a permanent position offering the opportunity to work on cutting-edge web applications and cloud-based solutions. You will be responsible for designing, developing, and maintaining both frontend and backend systems while mentoring junior ...

Barcelona, España

MediaMarktSaturn Plattform Services GmbH

Enterprise Architect - Customer Domains Focus

Hace 7 días

Remoto
Tiempo completo
Contrato

€4 EUR

... between various CRM systems & components, Customer Data Platform, marketing automation/orchestration, loyalty platform, POS, e-commerce, and analytics—leveraging APIs and event-driven patterns. - Establish and govern API, event, and data standards (naming, versioning, schemas, security) and drive their adoption across product ...

Barcelona, España

Senior Full Stack Developer (Permanent Contract)

Hace 14 días

Remoto
Híbrido
Presencial
Tiempo completo
Contrato

€55,000 - €80,000 a year

... This is a permanent contract position offering excellent career growth opportunities. You will be responsible for designing, developing, and maintaining robust web applications using modern technologies. The role involves working on both frontend and backend systems, collaborating with cross-functional teams, and contributing ...

Barcelona, España

abde business consulting

Networking, automation and Data Centre Consultant (en BRUSELAS, Comisión Europea)

Hace 6 días

Remoto
Contrato

€70k EUR - €76k EUR / year

... and application security , including enterprise firewalls, IPS/IDS, VPN and secure access technologies, load balancing, SSL offloading, reverse proxies, secure web gateways, WAF, DDoS protection, and API security. - Experience with network operations, orchestration, security compliance, fault and performance management, ...

Barcelona, España

IAG Services

Vibe Engineer — Full-Stack / Backend Developer

Hace 12 días

Remoto
Híbrido
Presencial
Tiempo completo

170k

... client-facing products, and the overall “vibe” and user experience of IAG platforms. Day-to-day responsibilities include implementing clean, testable code, integrating APIs, optimizing performance, and collaborating closely with product, design, and data teams to translate requirements into robust technical solutions. The Vibe Engineer ...

Barcelona, España

BMAT Music Innovators

Senior Python Developer

Hace 9 días

Remoto
Híbrido
Presencial

... large files at scale. - Experience with asynchronous systems, batch processing, or event-triggered workflows is a plus. - Experience in Python. - Experience with web development frameworks (e.g., Django, Flask, FastAPI) is a plus. - Strong problem-solving skills and attention to detail. - Ability to effectively communicate ...

Barcelona, España

Blu

Freelance API Designer / Business Analyst

Hace 3 días

Híbrido
Presencial
Contrato

... organizational standards. More specifically, you will: - Review and challenge incoming business requirements to ensure they translate into efficient, well-structured API models. - Draft specifications using OpenAPI 3.x and Swagger standards to guide developers accurately. - Create and review Pull Requests in Azure DevOps while ...

Barcelona, España

GRUPO NS

Business Analyst (.Net/APIs)

Hace 3 días

Remoto
Híbrido
Presencial
Tiempo completo
Contrato

9001 - 27001

... job was automatically translated to English. Requirements What we're looking for At least 5 years of experience as a Business Analyst with: Advanced mastery of API Design, OpenAPI/Swagger, REST and API contract modeling. Solid experience in .NET 8, https://jobeax.com/link/GrYTXLZMpxEMJknV Core and C#, including testing with ...

Barcelona, España

Festo

API Project Manager - Online Business

Hace 8 días

... business partner in translating market requirements into technical specifications while collaborating closely with IT and development teams. - Monitor and analyze API performance, data flows and system integrations to ensure seamless customer and business processes. - Identify opportunities to leverage APIs and automation to ...

Barcelona, España

Senior ASP.NET Web API Developer

Hace 57 días

Remoto
Híbrido
Tiempo completo

JOB ID 6240 Roles & Responsibilities Developers in this department manage the full lifecycle of the applications they build. Your daily responsibilities will include: Requirements Gathering: Partnering with Product Owners to refine software requirements and break...

Barcelona, España

Barcelona Supercomputing Center

Web developer (RE2)

Hace 18 días

Tiempo completo
Contrato

... you'll do - Join the Autosubmit development team - Design and develop software improvements within an Agile framework - Work on improvements for the Autosubmit web graphical user interface - Help to maintain the current operation on different HPC platforms - Contribute to user support by deploying patches - Contribute to ...

Barcelona, España

Tamarind Intelligence

Senior Software Engineer

Hace 15 días

Remoto
Contrato

€5 EUR

... Develop high-quality, responsive web applications using React + TypeScript. - Own customer-facing dashboards, campaign builders, reporting UIs, and supporting API layers. - Work on internal tools, SSR/edge rendering, and lightweight https://jobeax.com/link/JSd7UYCSg572jJDY services. - Focus on performance, Core Web Vitals, ...

Barcelona, España

Diseñador/a Web UX/UI

Hace 15 días

Remoto

Somos una agencia de branding y desarrollo especializada en productos digitales, con más de 10 años de experiencia creando proyectos de marca y entornos web que realmente marcan la diferencia. Actualmente buscamos incorporar un/a diseñador/a web UX/UI a nuestro departamento creativo. Si eres una persona con iniciativa, ...

Barcelona, España

Noatum Logistics

IT Specialist (Web, Marketing & Collaboration)

Hace 16 días

Presencial
Contrato

... undergoing a strong transformation process within a highly dynamic and international sector such as logistics. Main Responsibilities - Own and oversee the company’s web and marketing technology ecosystem, including corporate websites, landing pages, portals, and related platforms/infrastructure. - Act as the technical counterpart ...

Barcelona, España

Ingeniero Full Stack Node.js y React (Contrato 6 meses)

Hace 26 días

Presencial
Tiempo completo

€42,000 - €58,000 a year

... experimentado para unirse a nuestro equipo de tecnología en un proyecto desafiante de 6 meses. En este rol, serás responsable del desarrollo end-to-end de aplicaciones web modernas utilizando https://jobeax.com/link/JSd7UYCSg572jJDY en el backend y React en el frontend. Trabajarás en un entorno ágil y dinámico, participando en todas ...

Barcelona, España

Expleo

Desarrollador/a Full-Stack JavaScript (Vue 3 / Node.js) - Junior, Intermedio y Senior - Remoto

Hace 16 días

Remoto

... Interés en aprender testing (Vitest, Jest) y buenas prácticas. Perfil Intermedio (4-5 años) - Experiencia sólida en proyectos full-stack con Vue 3 (Composition API) y https://jobeax.com/link/JSd7UYCSg572jJDY . - Buen nivel en TypeScript y diseño de APIs con OpenAPI (Swagger) . - Experiencia en pruebas unitarias (Vitest, ...

Barcelona, España

Senior Full-Stack Developer (Permanent Contract)

Hace 26 días

Presencial
Tiempo completo
Contrato

€55,000 - €85,000 a year

... to join our innovative technology team in Barcelona. This is a permanent, full-time position offering the opportunity to design, develop, and maintain robust web applications using modern technologies. You will work on-site in our Barcelona office, collaborating with cross-functional teams to deliver high-quality solutions ...

Barcelona, España

Senior Full Stack Developer (Permanent Contract)

Hace 26 días

Híbrido
Presencial
Tiempo completo
Contrato

€48,000 - €72,000 a year

... experienced Senior Full Stack Developer to join our dynamic team in Barcelona. This is a permanent contract position that offers the opportunity to work on cutting-edge web applications and cloud-based solutions. You will be responsible for designing, developing, and maintaining robust applications across the entire technology stack. ...

Barcelona, España