Senior Backend Engineer — AI-Driven B2B Platform, Ownership

Preply is seeking a Senior Engineer to join the Engineering Team in Barcelona to develop backend features with Python/Django, and to build integrations with third-party vendors for an AI-enabled learning platform. You will collaborate with Product, Design, Data Analytics and Engineering to deliver high-quality features through CI/CD, maintain robust testing,...

New Relic in Barcelona, Spain, is seeking a skilled backend engineer to join the Personalization team. You will build, scale, and optimize backend services, Kafka pipelines, and microservices that expose user segments and behavioral models.The role emphasizes collaboration, architectural input, and hands-on execution across AWS infrastructure. You will work...

Stark Future SL is seeking a Senior Backend Engineer to design, develop, and operate production web services that power our AI-enabled backend. You will own critical components and collaborate across product, AI, and operations teams in a fast-moving Barcelona-based environment. Join a ambitious team building premium electric motorcycles and a scalable...

Enginy AI, a Barcelona-based startup, is building an AI-native GTM platform for modern B2B teams. We seek an experienced Fullstack Engineer who will own features end-to-end, spanning backend workflows, integrations and a polished web frontend.You’ll work on high-impact problems from product discussions to production, shaping systems and engineering...

Frekuent is seeking a backend engineer to own features end-to-end, from architecture to release, within a senior product engineering team.¿Está considerando presentar su candidatura para este trabajo? Compruebe todos los detalles en esta descripción del puesto y luego haga clic en "Solicitar".You will co-create AI-powered workflows and integrations,...

Frekuent is seeking a backend engineer to own features end-to-end, from architecture to release, within a senior product engineering team. ¿Está considerando presentar su candidatura para este trabajo? Compruebe todos los detalles en esta descripción del puesto y luego haga clic en "Solicitar". You will co-create AI-powered workflows and integrations,...

Present Connection is expanding its R&D team in Barcelona, seeking a Python Developer to build backend services and data pipelines for an AI-driven BI platform.¿Tiene lo que se necesita para triunfar? La siguiente información debe ser leída atentamente por todos los candidatos.You will shape architecture, leverage AI agents, and own end-to-end solutions...

Haddock is seeking a Product Engineer to own end-to-end product development, from ideation through deployment, with heavy AI tooling and data-driven workflows. You will design scalable architectures and collaborate across backend, frontend, and AI-enabled components to deliver outcomes for restaurant customers.Join a lean startup culture in Barcelona, with...

Rover’s Trust & Safety Engineering team in Barcelona is seeking a senior software engineer to help build scalable backend systems that prevent incidents in real time. You’ll combine Python/Django expertise with AI-augmented workflows, mentoring teammates, and collaborating with product, design, and data science to ship robust, safe experiences for pets...