Empleos de senior backend engineer python en Barcelona

About The Position Can you imagine building the semantic backbone that connects enterprise knowledge with AI agents? Join our expert team to work on an innovative project in the pharmaceutical sector, contributing to the development of a platform that connects Enterprise Knowledge Graphs, AI agents and cloud data platforms to enable trusted, natural-language...

Senior Software Engineer (Backend) ABOUT LINGO Lingo 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, fuller lives. Our systems process massive volumes of real‐time data, and the backend is the heartbeat that...

MediaMarktSaturn Plattform Services GmbH in Barcelona is seeking a senior backend developer to design, implement and operate scalable services for our Global Loyalty ecosystem. You will work with Kotlin, GCP, and modern DevOps practices to deliver reliable solutions that power millions of interactions across Europe. The role emphasizes event-driven...

Vortech PCI Group busca un/a Senior Backend Engineer especializado/a en .NET para un proyecto de facturación estratégico con clientes internacionales del sector software. Perfil enfocado en backend, con experiencia en arquitecturas modernas, sistemas distribuidos y buenas prácticas de ingeniería. Se requiere dominio de C#/.NET, APIs REST,...

Santévet Group in Barcelona is seeking a Senior QA Automation Engineer to join our growing team. You will build and maintain test automation frameworks, drive testing strategies, and ensure high-quality front-end and back-end tests across projects. With 5+ years of QA automation experience, you will mentor teams, promote a quality-driven culture, and...

Sage is seeking a Senior Backend Developer to join our HCM localisation team based in Barcelona. In this hybrid role, you will design and maintain scalable backend services for our cloud-based enterprise product. Strong expertise in Scala, MySQL, and AWS is required. The candidate will work collaboratively to improve product performance and maintain robust...

Amaris Consulting is hiring a Senior Java Developer to design, develop, deploy, and operate scalable SaaS platforms for payroll and HR tech. You will join multidisciplinary squads, combining backend expertise with DevOps practices to support business-critical services through the full software lifecycle. The role requires 7+ years as a Backend Engineer with...

Workato seeks a seasoned Go backend engineer to design and optimize distributed systems that power our runtime platform. You will tackle high-concurrency components, memory-sensitive paths, and performance-critical code, collaborating across teams to ensure reliability and scalability. This role emphasizes low-level engineering and robust concurrency...

A leading technology firm in Barcelona seeks a Senior Web Developer with at least eight years of experience in Microsoft technologies. You will be developing backend components and APIs while contributing to project improvements and best practices. The role offers hybrid working conditions, covering certifications, and various perks such as health insurance...

Capitole is seeking a Senior Back End Engineer with 5+ years of experience to design, develop and evolve the digital platform backend. You will work on business APIs, integrations, identity management, and cloud deployment on Microsoft Azure, primarily using Node.js and TypeScript in an API-driven, containerized environment. Ideal candidates bring...

Q-tech is seeking aSenior Backend Engineer to advance their core platform for fintech clients. You’ll design and build backend services in C# / .NET, with strong focus on reliability, performance, and scalable architectures. The role blends cloud and on‑prem work in Azure, IaC, and DevOps, and requires ownership to lead technical work without people...

Shalion is seeking a Senior Backend Engineer to lead backend initiatives across multiple products and shape the technical roadmap. You will manage one backend engineer from day one and guide the team as it grows, balancing hands-on architecture with leadership responsibilities. The position is based in Barcelona with a hybrid work model. #

Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. That takes high standards, high velocity and engineers who own what they ship. Today, we serve over 6 million clients, with more than €38 billion in assets under management - a testament to the scale and trust we have...

Can you imagine connecting enterprise knowledge with AI to deliver trusted answers in natural language??? Join our expert team to work on a pharmaceutical-sector platform, contributing to the development of a semantic backend connecting enterprise knowledge graphs, AI agents and cloud data platforms.You will apply your knowledge of Python and RDF/SPARQL to...

Himalayas is seeking a Senior Backend Java Developer in Spain to design, develop and evolve microservices-based applications using Java 8/11, Spring Boot and OpenAPI. The role requires 5–8 years of professional experience, English at least B2, and ability to work on API-driven architectures.Candidates should be proficient with Maven and testing frameworks...

Join our expanding engineering team!We're hiring a permanent Senior Backend Engineer to join our Asset Sales group as we scale one of the most important parts of M-KOPA's FinTech platform.Build distributed, event-driven microservices and help shape what AI-native engineering looks like at M-KOPA.The ImpactYour code will directly power the systems that put...

About Diabolocom Diabolocom is a leading European provider of AI-first, cloud-based contact centre (CCaaS) and customer experience (CX) solutions that help companies deliver seamless, personalised customer experiences at scale. The platform combines proprietary, purpose-built AI technology for customer service, native telecom infrastructure, and deep CRM...

Senior Fullstack Engineer - Spain - 100% Home Office Friendly (within +/- 2 hours of the UK)Live shows make us feel good.They're a time to hang with our friends, discover new artists or lose ourselves on a dancefloor.We're on a mission to bring all of this to more fans, more often – and that's where you come in.We're looking for a Senior Backend Engineer...

Senior Software Engineer (Backend) ABOUT LINGO Lingo 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, fuller lives.Our systems process massive volumes of real?time data, and the backend is the heartbeat that transforms...

Trentia in Barcelona is seeking a Senior Data Engineer to join an international team responsible for a strategic cloud data platform in the R&D field. The selected candidate will work primarily with AWS, Python, ETL/ELT, SQL and REST APIs, participating in the design, development and evolution of scalable data solutions that support users and business areas...