Empleos de remote backend engineer en Barcelona

Marfeel is looking for a Backend Engineer to join their team in Barcelona. You will design and maintain backend services, utilizing Node.js and various databases while ensuring high performance and scalability of applications. The ideal candidate will have over 5 years of experience with a solid understanding of API design and cloud deployments. Benefits...

Constructor.io is a distributed team hiring a backend-focused engineer for its Experiments platform. You’ll build Python services and data-heavy pipelines, with opportunities to contribute to the Dash UI and Spark/Databricks work, while prioritizing correctness and observability.You’ll own backend components for experiment assignment, logging, and...

Affirm, Inc. is seeking a Software Engineer for our Card Checkout team in a remote Spain setup. You will design, implement and maintain backend systems using Python or Kotlin, operating within AWS, MySQL and Kubernetes in a distributed architecture. The role includes on-call rotation and collaboration with product, design and analytics teams to deliver...

Santander Auto Software está buscando un ingeniero de software back-end para construir y desplegar soluciones cloud-based en AWS. Se valorará experiencia en Java o Kotlin, Spring Boot y una mentalidad DevOps, con capacidad para trabajar de forma autónoma.La posición es remota y admite colaboración internacional; se requieren habilidades de...

A leading technology recruitment firm is looking for a Python Developer in Barcelona to build scalable backend systems utilizing Python and Flask. The ideal candidate has over 3 years of experience in Python programming and hands-on experience with Flask. They offer a flexible, remote-friendly work culture, career growth opportunities, and work on projects...

Knowmad Mood busca un/a desarrollador/a backend Java para colaborar en proyectos de un importante cliente del sector textil. El rol es 100% remoto, con disponibilidad para acudir a oficinas (Arteixo) y viajar a nivel nacional e internacional; se recomienda residir en Galicia.Participarás en desarrollo y mantenimiento de servicios backend escalables,...

Salmon is a remote, Manila-time aligned fintech developer building a scalable payments platform for Southeast Asia. You’ll join a globally distributed team delivering JVM-based microservices and payment flows with a platform-first mindset.The role emphasizes resilience, DDD, eventual consistency, and integration with banks and PSPs. You’ll collaborate...

Job DescriptionJob Title: Python DeveloperJob Type: ContractLocation: RemoteJob Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.Key...

Lever, Inc. is seeking a Backend Engineer based in Spain to join a small, ambitious product team.You will own the central API and backend services, primarily using Node.Js and TypeScript, and focus on API design, data modeling, performance, and developer experience.This remote, asynchronous role offers substantial technical ownership, collaboration with...

HSP Group in Barcelona is seeking a Lead Backend Engineer responsible for the technical direction of Gateway HR. The ideal candidate should have over 7 years of backend development experience and a strong technical leadership background. Responsibilities include evolving the architecture for scalability and leading external teams. This remote role offers the...

Jobgether SRL is seeking a Full-Stack Engineer (Backend Leaning) – Payments Engineering, based in Spain. You will build and evolve the payment infrastructure powering billing, usage tracking, pricing, and payment processing for self-service and enterprise customers in an AI-focused environment. This remote role offers significant technical ownership,...

Nutrient is building a scalable backend platform that powers Document Engine and related services. We seek a backend engineer who focuses on database-first design, with a track record of handling large volumes of data and annotations across global deployments. You will design data models, ensure fast query paths, and own architecture decisions. This role is...

Nutrient is building a scalable backend platform that powers Document Engine and related services. We seek a backend engineer who focuses on database-first design, with a track record of handling large volumes of data and annotations across global deployments.You will design data models, ensure fast query paths, and own architecture decisions. This role is...

Jobgether is seeking a Senior Python Developer based in Spain to work on a remote-first backend project for a next-generation football app. You will design robust services, implement AI-powered features, and build scalable APIs supporting mobile interactions. Collaboration is with an international team, with occasional in-person meetups. Key tech stack...

Airalo is seeking a backend engineer to drive the evolution of our global platform used by millions.You will lead backend services, build APIs, and contribute to a modular, service-oriented architecture while balancing speed with stability.We value deep PHP expertise, Laravel or Symfony experience, strong OOP, and solid SQL skills.Fluency in English is...

Maisa is seeking a backend-focused software engineer to design, build, and maintain scalable services in Go and Python within a microservices architecture deployed on Kubernetes. You will own features end-to-end, collaborating with client-facing teams to translate requirements into reliable solutions. The role requires 3–7+ years of backend experience,...

Airalo is hiring a backend engineer to build and maintain scalable services for a global customer base. You will implement robust APIs, optimize database queries, and contribute to a modular, service-oriented architecture. The role requires 3-5 years in backend development with PHP, strong OOP knowledge, and experience with Laravel or Symfony. You will work...

Kairós está buscando un Lead Backend Engineer para liderar la modernización de sistemas críticos y la migración de arquitecturas legacy. Serás el referente técnico, guiarás a ingenieros y definirás decisiones arquitectónicas transversalmente. Trabajarás con Java 21, Spring Boot, en entornos cloud (AWS/GCP) con IaC, CI/CD e integración de IA como...

SG Tech busca programadores/as Java con al menos 5 años de experiencia para trabajar en entornos de microservicios y arquitectura distribuida.Proyectos con API-First, Kubernetes/OpenShift y bases de datos como PostgreSQL y MongoDB.Se ofrece contrato indefinido y 100% teletrabajo desde España, con desarrollo profesional y participación en diferentes...

Talan Spain is seeking an experienced Backend Developer with strong Apache Spark and Scala expertise to join our distributed teams.You will develop and maintain backend solutions across the full lifecycle in an Agile environment, contributing to data platforms and business-critical applications.This role offers 100% remote work from anywhere, with...