Empleos de senior java fullstack engineer for api en Madrid

We're a global e-invoicing platform operating in 25+ countriesRevenue grew 10x last year, and we plan to 3x in 2026.Role: own integrations end-to-end, research, define, build, ship, iterate with customers. No PMs or bureaucracy in between.Looking for: new grads engineers with strong software development fundamentals, fluent English (no Spanish required), a...

Havas Media Network España is seeking a Junior Product Engineer to assist in building AI-powered features for data products. You will work with senior engineers and product teams to develop, test, and deploy backend services and API integrations.Responsibilities include Python-based development, AI API integrations, and learning cloud deployment and DevOps...

We are looking for an experienced Lead Software Engineer & Platform Architect to own the technical vision, architecture, and day-to-day engineering leadership of our multi-tenant SaaS platform. This is a rare opportunity to be the a senior technical person in a fast-growing company - shaping the platform from the ground up, making the final call on...

ADP is hiring a Site Reliability Engineer Are you a proven SAP Basis and S/4HANA engineer with deep platform expertise? Do you thrive solving complex infrastructure and performance challenges at enterprise scale? Ready to lead technical strategy for mission-critical global systems? Well, this may be the role for you. Ready to make your mark? In this role,...

In this role you will design and deliver AI-powered backend capabilities within Clarivate's Cortellis CMC platform in Barcelona. You will own architecture and delivery, collaborating with distributed engineering teams to build scalable, reliable systems that power regulatory intelligence for life sciences. You’ll tackle data and performance challenges, and...

Job Description:At Cloudera, we empower people to transform complex data into clear and actionable insights. With as much data under management as the hyperscalers, we're the preferred data partner for the top companies in almost every industry. Powered by the relentless innovation of the open source community, Cloudera advances digital transformation for...

Job TitleAI Agent & Tool-Use Engineer (RE2)Closing DateThursday, 22 October, 2026About BSCThe Barcelona Supercomputing Center - Centro Nacional de Supercomputación (BSC-CNS) is the leading supercomputing center in Spain. It houses MareNostrum, one of the most powerful supercomputers in Europe, was a founding and hosting member of the former European HPC...

Your mission As a Senior Backend Engineer at Playtomic, you will be responsible for developing robust and scalable solutions for our product, ensuring high performance, consistent and secure transactions. In Playtomic we operate in pods. A pod is a small, cross-functional team that owns a domain end-to-end: it takes a framed problem, makes the key...

Job Post : This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Staff Product Engineer, Backend in Spain. This is an exceptional opportunity to help shape the future of modern observability platforms by building scalable backend systems that power mission‑critical billing, metering, and infrastructure...

Team Summary This team will serve as the product owner for the machine learning platform capabilities within PointClickCare, working closely with other engineering teams across the organization to identify, build and support traditional machine learning (ML) and hybrid ML/LLMsolutions. This centralized team with deep specialization will closely integrate...

En Experis, compañía de ManpowerGroup, trabajamos seleccionando el mejor Talento tecnológico para conectarlo con todo tipo de organizaciones, desde grandes corporaciones hasta start ups. Somos una compañía especializada en consultoría IT y en selección de profesionales del sector Tecnológico asociados a nuestras 3 prácticas: Business Transformation,...

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...

Software Engineer in Test (Mobile) ID47193 3 days ago Be among the first 25 applicantsAgileEngine is an Inc. 5000 company that creates award‑winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people‑first culture has earned us multiple...

Join Unified Support at Ingram Micro and help shape how new products, capabilities, and customer experiences are introduced and operated on a global scale. You will solve complex technical challenges, guide new initiatives through hypercare, improve platform and customer journeys, and ensure new capabilities transition successfully into Operations and...

Java Developer(SQL and Spring Framework) - Freelance b2bJava Developer(SQL and Spring Framework) - Freelance b2b1 day ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.We are currently seeking an experiencedSenior Java Developerto support a long-term project for a European organization. The ideal candidate will...

Senior Embedded ISV Sales Engineer Sales Engineering·Full-Time·Netherlands Build Your Future With Us The digitization of tax compliance is fundamentally changing global commerce and how businesses need to operate and grow. Governments now have real-time visibility into business data, creating new challenges and new opportunities for organizations around...

QA Engineer, Tax, Compliance and Reporting The role and the team As a remote Senior QA Engineer, Tax, Compliance and Reporting (all genders), you'll own quality across manual and automated testing for the teams building Lucanet's tax platform, spanning e-balance and VAT, while helping developers take growing ownership of their own testing. You'll work with...

Who We AreCint is a pioneer in research technology (ResTech). Our customers use the Cint platform to post questions and get answers from real people to build business strategies, confidently publish research, accurately measure the impact of digital advertising, and more. The Cint platform is built on a programmatic marketplace, which is the world’s...

En Indra Group desarrollamos tecnología para hacer más seguro, eficiente y conectado el transporte aéreo. Desde nuestra unidad de ATM, participamos en sistemas críticos de gestión del tráfico aéreo, comunicaciones, navegación y vigilancia, colaborando en proyectos de alta complejidad tecnológica a nivel internacional. ¡Trabaja con nosotros en el...

Remote · Full Time · Individual Contributor · +8 Years of Experience Staff Engineer, Money, Risk & Payment Ancillaries Who We Are Yuno is the AI-native operating system of global commerce, powering the financial infrastructure of enterprise merchants, banks, and wallets. Through a single API, Yuno connects them to pay-ins, payouts, fraud prevention,...