Empleos de java backend senior en Barcelona

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. Our team comprises seasoned clinical research professionals, data scientists, and AI experts, working collaboratively to bridge the gap...

Capitole busca un Senior Backend Engineer para liderar el diseño, desarrollo y evolución del backend de su plataforma digital. Será responsable de construir servicios backend escalables, seguros y de alta disponibilidad, enfocándose en APIs de negocio, integraciones y gestión de identidad en Azure. Se requieren +5 años en desarrollo backend y +3 años...

Fotocasa Group, Spain’s real estate tech leader now part of Scout24, is redesigning its processes and culture to lead the market from its Barcelona hub. As Backend Engineer, you will own technical direction, architect scalable services, and mentor teams to deliver high-impact solutions across millions of users. This hybrid role combines hands-on...

Bsport is hiring a Senior Backend Software Engineer to join the Financial Services team and craft a scalable payment and invoicing engine for clients worldwide. You will lead feature design, drive architecture decisions, and collaborate with Data, Product, and Dev Ops to deliver reliable, high-availability services. You will mentor peers, implement best...

We power people’s progress. At Preply, we’re all about creating life-changing learning experiences. 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 $150 M...

BEIGAR busca un/a Arquitecto/a de Software Senior para unirse al proyecto europeo EDF EYE. Liderarás el diseño técnico y la evolución de arquitecturas backend de alto rendimiento en sistemas de defensa críticos, asegurando escalabilidad y seguridad. Trabajarás en un entorno técnico complejo con microservicios, EDA y despliegue en Kubernetes/Docker,...

Thunes Ltd is expanding its software engineering team in Barcelona to accelerate treasury automation and data-driven forecasting. You will build robust services deployed in production, focusing on Python, FastAPI and a modern frontend stack with Vue.js.You will work with AWS, Kubernetes and Docker in a fast-paced fintech environment, contributing to...

remoteo busca un Senior Backend Developer especializado en C# y .NET para Barcelona. Formarás parte del equipo de Digital Marketing & Sales en una compañía internacional líder con presencia en más de 60 países y más de 20.000 personas.Barcelona | Modelo híbrido. Serás parte de un equipo que evoluciona el ecosistema digital, asumiendo ownership...

Join a fast-growing fintech team building scalable payment solutions across the EU/UK, with opportunities for growth, flexible work arrangements, and a competitive compensation package.

Desarrollador/a Backend .NET requerido para crear aplicaciones, optimizar el rendimiento y la integración con diferentes servicios y bases de datos.

Global M in Barcelona is hiring a Software Engineer (Backend) for a hybrid role anchored in our Barcelona office. You will help solve complex challenges across distributed systems, data pipelines, and applied AI infrastructure. You will design scalable backend services in Python, architect data storage with SQL/NoSQL, and build batch or streaming pipelines...

Barcelona, Spain · Full-time · Fully office-based€65,000–€85,000 gross per yearCandidates must already be based in Barcelona. Visa sponsorship is not available. Build the systems behind AI-powered email marketing. Migma is building an AI platform that creates and sends on-brand email campaigns end to end. We are a two-person founding team in...

Adlanter busca un/a desarrollador/a backend para unirse a su equipo internacional de e-commerce en Barcelona. Esta persona liderará el desarrollo y la integración de funcionalidades en la plataforma Salesforce Commerce Cloud (SFCC), garantizando la calidad del código y tomando decisiones clave sobre la arquitectura técnica.Se requiere formación técnica...

InvestEngine is hiring a Senior Backend Engineer for the Payments Team. You will design, implement and evolve backend services in Python 3.11 using Django/DRF, focusing on payment flows, integrations and system reliability.You’ll work with MySQL, Redis and modern tooling while shaping architecture and driving performance improvements. You’ll collaborate...

Oxigent Technologies busca un Senior .NET Developer para participar en la evolución de una plataforma de gestión empresarial en Barcelona. Te enfrentarás a una arquitectura moderna basada en microservicios y hexagonal, con énfasis en backend .NET y apoyo ocasional al frontend con Angular/TypeScript.Requisitos: 7-10 años en C# y .NET, experiencia en API...

Back Market seeks a Senior I Engineer to join our fast-growing team in Paris. You will work across the stack, from Python backends to Vue.js frontends, helping modernize a distributed architecture and deliver scalable, reliable products.Join an environment that values ownership, collaboration, and learning, with a hybrid policy, remote days, and...

Commit is seeking a Senior Backend Developer to join our engineering team. You will build high-performance, scalable backend systems using Python, while leveraging Kubernetes for orchestration and AWS for cloud deployment.You will help design architecture and drive technical strategy across product development. The role requires 7+ years of backend...

Is this you? 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 fast, and deliver impact No ego - We collaborate with respect and humility to reach shared goals Show genuine passion - We love...

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...

LCKY Group is seeking a Principal Java Engineer to drive cloud-native transformations and modernise legacy applications in regulated environments. You will design microservices architectures on AWS, mentor engineers, and lead API-driven initiatives while ensuring security, performance, and compliance. Your role focuses on cloud, Dev Ops, and data governance,...