Empleos de remote java backend engineer ai-driven microservices en Barcelona

Barcelona Tech & Data – Backend /Full-time /Remote Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot,based on 55,000+ reviews. Our cultureputs customer satisfaction at the core of...

Cloudbeds, a fully remote-first hospitality platform, is seeking a Senior Backend Engineer to shape scalable backend architecture and deliver high-performance services for customers worldwide. You will work across PHP and Java ecosystems, utilize Laravel/Symfony, MySQL, Docker, Kubernetes, and AWS, and collaborate with global teams to innovate and improve...

Caravelo, based in Barcelona, is seeking a Full Stack Developer focused on Java backend for our SaaS platform in fintech and traveltech. You’ll design, build and maintain scalable systems; most work will be backend, with some UI touchpoints via Vue and AI-assisted coding.Join a team of innovators solving complex problems across cloud environments (AWS),...

Lever, Inc. is seeking a Software Craftsperson/Typescript- II based in Spain.This remote role focuses on building scalable backend systems and AI-powered workflows using TypeScript, OpenAI, Claude and agentic frameworks.You will own end-to-end initiatives, mentor peers, and shape engineering practices with a hands-on, craft?driven approach.You'll collaborate...

adesso Spain is seeking a curious, skilled Full‑stack Engineer with strong front‑end expertise to join an international engineering team in Spain. You will work on AI‑driven projects, collaborating with colleagues across Europe, while enjoying a flexible hybrid model that includes client site visits in Barcelona and occasional travel to Germany. The...

This job is with Allianz Commercial, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Are you a passionate Java Developer looking for an exciting opportunity to work with cutting-edge technologies and make a real impact? Join our team and be part of a dynamic environment where you'll work with...

Factorial is seeking a Senior Software Engineer to join our Data Ops team. You will own the backend architecture of internal sales, invoicing, and billing applications, building resilient, scalable APIs and cloud workflows that power finance and customer experiences. You'll collaborate with design and product, integrate payment platforms like Stripe or...

Allianz invites a Senior Solutions Engineer to join the Data and AI Transformation Engineering team, building scalable backend platforms exposing AI capabilities as reliable services. The role focuses on API-driven systems on Kubernetes, combining AI components with deterministic logic for complex transformation use cases in a regulated financial services...

Job ID: Posted: Posted 30+ Days AgoStart Date: Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‐edge digital health platform that fuses continuous biosensor data, high‐performance backend engineering, and advanced analytics to help people live healthier, longer,...

Flight Centre Travel Group's Barcelona-based team is seeking a Software Engineer to build AI-native travel tech. You will join agile squads, own features from design to deployment, and collaborate with international colleagues to deliver scalable backend services and AI-driven experiences. Experience in Ruby on Rails, API design, containers, and DevOps is...

Albertine builds white-label digital concierge experiences for luxury brands and their members. Our backend is a multi-tenant TypeScript API platform that powers the member-facing concierge apps, LMT — the internal platform agents use to manage members and operations — plus payments, recommendations, messaging, and a growing set of third-party...

Requirements Strong backend engineering experience with Go, Python, or similar languages Experience with APIs, microservices, distributed systems, and scalable architectures Good understanding of databases such as PostgreSQL and data modelling principles Familiarity with cloud environments, containerisation, and DevOps practices A proactive,...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend QA Engineer based in Spain. As a Backend QA Engineer, you will take ownership of software quality across a high-traffic backend platform, ensuring reliable performance and seamless transaction processing. You will combine...

Descripción del puesto En The Whiteam Consulting buscamos un/a Backend Software Engineer, para participar en el diseño, desarrollo, mantenimiento y evolución de servicios backend y plataformas cloud-native, contribuyendo a la creación de soluciones escalables, fiables y de alta calidad. Formarás parte de un entorno tecnológico moderno basado en...

Grafana Labs is hiring a Senior Software (Database) Engineer to help build the underlying storage system for a general purpose data platform. You will work on a SaaS-ready database layer with OLAP/OTLP capabilities, designed to run across cloud providers, with high autonomy and cross-functional collaboration.The role emphasizes pragmatic architecture...

Grafana Labs is seeking a Staff-level Backend Engineer to design and ship core backend services powering a context layer for AI-driven data intelligence. You’ll build the foundation for a scalable, multi-tenant Saa S, with ingestion, storage, APIs, and agent-facing integrations in a production-grade environment.This remote-first role offers Spain as a base...

Preply is seeking a Senior Full Stack Engineer for the CRM team. You will own backend services in Python/Django and frontend work in React/Typescript, enabling automated, AI‑assisted communications across millions of learners and tutors. You’ll lead cross‑functional initiatives, ship features quickly, and mentor others while focusing on scalable,...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend Engineer based in Spain. Join a small, ambitious product team building technology that helps hundreds of thousands of users better understand and manage their finances. You’ll play a key role in developing the central...

OverviewWELCOME TO SITAAt SITA, we keep airports moving, airlines flying smoothly, and borders open. Our technology and communication innovations power the success of the global air travel industry. You'll find us in 95% of international airports, working closely with over 2,500 transportation and government clients. Each partnership brings unique...

AtWorkfully , we’re building the first global recruitment marketplace where independent recruiters can grow, engage, and monetize their talent networks — connecting them to meaningful opportunities at innovative companies worldwide. Our technology is designed to make recruiting more transparent, fair, and scalable. We’re a profitable early-stage...