Empleos de backend full stack engineer en Madrid

Toggl is seeking a Senior Full Stack Engineer to join a Tribe responsible for Toggl 2.0, a unified planning, time tracking, and time intelligence product. You’ll own cross‑functional features from API to UI, working with React/TypeScript on the frontend and Golang on the backend, with PostgreSQL as the data layer. You’ll collaborate with product...

Talent Connect Limited is seeking a Hands-on Full Stack Developer with strong Java and Spring Boot capabilities to contribute across the software delivery lifecycle in a large-scale banking environment.You will design and implement Java microservices, build RESTful APIs, and support observability with Dynatrace and Kibana. The role includes CI/CD work,...

Affirm is seeking an analytics engineering professional to join the Revenue Analytics team in a remote-first setup across Spain. You will design scalable data products, model data, and own end-to-end data infrastructure to empower revenue decision-making. The role emphasizes semantic layers, governance, and collaboration with stakeholders to deliver reliable...

AI Full Stack Engineer | AI-Assisted Development Remote in Europe | B2B contract | €70,000–€85,000 annual contract value Our client is seeking a hands-on AI Full Stack Engineer. In this role, you will help build a new SaaS ledger platform for an international fintech business. This is a hands-on role where you’ll take requirements through design,...

Job Description Summary It's fun to work in a company where people truly BELIEVE in what they're doing! The Senior Customer Solutions Engineer is a product expert and trusted advisor providing primarily post‑sales technical expertise during the installation, implementation and post‑implementation servicing of company products. Provide support to...

Full Stack Software Engineer (React / TypeScript) About The Company Our client is a fast-growing international software company developing a world-class enterprise platform used by millions of users globally.With engineering hubs across Europe and North America, the company is known for its collaborative culture, modern technology stack, and strong...

About Bark Bark is an online servicesmarketplaceconnecting customers with professionals across over 1,000 categories. Operating in nine countries including the UK, US, Australia, Canada, and New Zealand, we're transforming how people find trusted service providers for everything from home improvement to professional services. Our platform uses cutting-edge...

Radisson Hotel Group is hiring a Full-Stack Developer & Data Engineer to support Pulse, our BI platform for hospitality. Hybrid role: web/desktop with Angular/Type Script, React for mobile, and ETL pipelines powering analytics in Click House Cloud. Responsibilities include building features, ETL design, data modeling, SQL optimization, and supporting users...

Otto Group one.O is the central, powerful partner for strategy consulting and technology.With around 1,000 colleagues worldwide in areas such as consulting, software development, SAP and data intelligence & AI, we provide strategic advice and design, develop and operate digital end-to-end solutions along the entire value chain.We shape the digital...

En Talent Insights, somos una agencia de networking especializada en perfiles técnicos y tecnológicos.Nuestro objetivo es hacer del proceso de selección una experiencia diferenciadora, de calidad y eficiente, tanto para profesionales como para empresas.Colaboramos con una compañía del sector food-tech y delivery digital, en plena fase de crecimiento y...

Concentrix Spain Business Process Outsourcing S.L.U. busca un Desarrollador Full Stack para trabajar de forma 100% remota. Se valorará experiencia en microservicios, APIs REST y plataformas cloud (AWS/Azure/GCP).Se requieren 3+ años en desarrollo full stack y dominio de frameworks modernos (React/Angular/Vue) con experiencia en Docker y Kubernetes....

United Nations in Barcelona seeks a Geospatial Full-Stack Developer and Data Engineer Consultant to support the City Resilience Global Programme with technical expertise and data-driven analyses for partner cities and institutions. The consultant will lead capacity-building activities, advance resilience and climate adaptation projects, and contribute to...

Full-Stack Software Engineer Location: Global, Fully Remote Job Type: Contractor | :15 hours/week Schedule: Flexible We're looking for experienced Full-Stack Software Engineers to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving. Key Responsibilities Develop and debug front-end and...

Exoticca international is seeking a FullStack Engineer to design and build scalable services using Next.Js, Node.Js, TypeScript, and MongoDB. You will help shape an event-driven architecture and ensure reliable, maintainable systems powering our ecommerce platform.You will collaborate with cross-functional teams to translate business needs into robust...

Julius Baer in Madrid is seeking a skilled Java Backend Engineer to join our team. You will develop and maintain enterprise-grade backend apps using Java 21, Jakarta EE, and Oracle SQL, and design REST APIs for internal and external integrations. You will collaborate with product owners, analysts, and architects while contributing to testing, deployment, and...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We're redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Aircall is headquartered in Paris, our European HQ, with a...

We are looking for a Senior Full Stack Engineer to join one of our Product Tribes, the cross-functional units that own the end-to-end experience for a specific Toggl user role. You'll join the Tribe building for managers, the people who plan work, protect margins, and keep projects on time and on budget. You own significant parts of that experience...

Frontiers Careers is seeking a Senior Full-Stack Engineer to own backend systems and full-stack features for the RTM platform. You will work across .NET Core backends and Vue/Nuxt frontends, collaborating with product managers and engineers to design scalable, reliable solutions. You will drive architecture decisions, optimize SQL Server workloads, and...

topi is seeking a Senior Fullstack Engineer in Madrid with deep expertise in Go to join a diverse, product-minded team. You will own architecture from the database to the browser, primarily focusing on the Go backend and APIs while contributing to React/TypeScript frontend when a feature requires it. You will collaborate closely with Product and Design to...

Roche is seeking a Full Stack Developer (SE7) to lead large-scale integration initiatives within the Engineering Excellence & Experience group. You will own the core integration portfolio, shaping the developer experience for thousands of engineers worldwide. You will design secure interoperability across toolchains, migrate legacy systems, and drive...