Empleos de backend developer en Barcelona

You will take ownership of a backend system that is critical to the company and our customers. Hands-on code implementation, code reviews, testing Ensure reliability, performance and correctness. Improve code quality and internal structure where possible. 5 years plus experience building and maintaining production systems as backend engineer ~ Strong...

Описание: E-commerce brands are growing at an unstoppable pace, but many still face logistical challenges that hold back their expansion. At Amphora Logistics, we transform that reality. We help independent brands scale efficiently, offering end-to-end logistics solutions that combine advanced technology, operational agility and attentive service....

Описание: Codeway builds consumer AI apps for mobile and web. It operates six focused vertical companies across AI creativity, wellness, education, media, entertainment, and utilities and productivity. ¿Todo listo para enviar su solicitud? Por favor, lea la descripción al menos una vez antes de hacer clic en "Solicitar". Задачи: Design and...

About the company Biorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI. We are passionate about accelerating medical advancements and improving patient outcomes. ¿Es usted el solicitante adecuado para esta oportunidad? Descúbralo leyendo el resumen del puesto a continuación. Our team comprises...

Septeo busca un/a desarrollador/a backend con 3–5 años de experiencia en PHP y Python para seguir creciendo profesionalmente en un entorno exigente.Te unirás a un equipo de desarrollo en plena evolución: pasamos de escribir cada línea a diseñar, supervisar y validar software junto con herramientas de IA, trabajando como Software Engineer /...

Описание: Q-tech is colaborating with a fast-growing international SaaS company that is opening a new engineering hub in Barcelona and is looking for a Staff Engineer. This is a backend-focused role with high ownership and real impact, working on Security management, APIs and integrations for a platform used by some of the most demanding customers in...

¿Te interesaría seguir desarrollándote comoJava Developerpara una empresa líder en automatización y logística de almacenes?DesdeOxigent Technologiesseleccionamos un/a Programador/a Javapara colaborar en proyectos sobre diseño de almacenes y optimización del flujo de materiales.,ubicado en Barcelona y alrededores.Formarás parte de un equipo...

Descripción del puesto / FuncionesDescubra si esta oportunidad es adecuada para usted leyendo toda la información que sigue a continuación.Estamos buscando un/a Full Stack Web Developer con fuerte orientación backend para unirse al equipo de productos de IA que desarrolla una plataforma Multi-cloud de GenAI (Azure, AWS, Google Cloud), con foco principal...

We are looking for an experienced Senior Back-End Engineer (Java, AI-Native) . The project goal is replacing a legacy Warehouse Management System (WMS) with a modern one, supporting various warehouse operations and practices, including 3rd party integrations. Our development team values diligence, mutual respect, and getting things done. Innovecs is a...

We are looking for a Senior Python Backend Engineer for a International institution in Brussels, Belgium, with strong experience in Python, Django, Flask or FastAPI, REST APIs and database development.You will contribute to the development of secure, scalable backend applications, working with modern Python frameworks, databases, containerized environments...

Deale busca un/a Software Developer Intern para unirse al equipo en Barcelona mediante convenio de prácticas.Lea atentamente toda la información sobre esta oportunidad y luego utilice el botón de solicitud de abajo para enviar su CV y su candidatura.Trabajarás en el desarrollo y mantenimiento del frontend y backend de la aplicación, con stack...

Is this you?¿Quiere enviar su solicitud? Lea toda la información sobre este puesto a continuación y luego pulse el botón de solicitar.Titan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you!At TitanOS, we live by three core values:Make things happen – We take ownership, move...

Oficina De Treball Del Soc a Barcelona cerca un desenvolupador per al stack complet: interfaces en React i serveis backend en Python amb FastAPI.Construeix i manté APIs RESTful, col·labora amb Data Engineering i Security Engineering, i assegura qualitat amb proves i revisions de codi. També donaràs suport a QA a totes les capes de proves.Solucions...

A quick note about the role: Since 2026, Xplicity has been part of the Present Connection group, bringing our teams and technology communities closer together and creating more opportunities for talented professionals across both companies. Although this opportunity is shared through the Xplicity community, the position is with Present Connection, and the...

Our client, a leading fintech company committed to digital transformation, is seeking a talented Java Developer with expertise in Spring Boot and microservices architecture to join their team in Málaga. This is an exciting opportunity to contribute to the development of innovative financial platforms and cutting‑edge solutions. The ideal candidate...

Tappx, a fast-growing AdTech firm, seeks a PHP Backend Developer to design, implement, and maintain SSP projects with high scalability. You will lead full product life cycle from conception to production and monitoring, driving technical excellence and reducing debt. You will implement internal tools in PHP, ensure code quality with automated tests and...

At Frekuent, we don't build backend systems for their own sake — we build the engine behind products people actually use. You'll join a lean, senior product engineering team where ideas move from a Slack thread to production in days, not quarters, and where every tool at your disposal — including the AI ones we build with daily — is treated as...

We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact. We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a...

DescriptionJoin the team.Si los siguientes requisitos del puesto y la experiencia coinciden con sus habilidades, por favor, asegúrese de enviar su solicitud sin demora.Make an impact. At Holded, we believe that daily admin should never stop a great idea from becoming a success.That's why we create intuitive software to empower anyone who dares to start...

Senior Software Engineer - Fully Remote | Upto $210/hr Mercor connects elite creative and technical talent with leading AI research labs.Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey .Position: Expert Senior SWEType: ContractCompensation: $150–$210/hourLocation:...