Empleos de senior full-stack java engineer en Madrid

About ElevenLabsElevenLabs is an AI research and product company transforming how we interact with technology.We launched in January 2023 with the first human‑like AI voice model. Today, we serve millions of users and thousands of businesses - from fast‑growing startups to large enterprises like Deutsche Telekom and Meta. Our investors are some of the...

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...

What you’ll be working onBuild and deliver high-qualityback-end and front-end featuresacross web platforms.Design and develop reliable, scalable, and maintainable services.Contribute totechnical design, architecture, and implementation decisions.Work closely with Product Managers and Designers to turn ideas into working solutions.Write clean, well-tested,...

Fullstack Engineer – Series B AI Startup | Spain (100% Remote)I’m partnered with a fast‑scaling AI startup, fresh off a Series B raise, looking for an early hire Developer to shape the next generation of their platform. You'll build the GenAI behind some of the products that you use every single day.This is a role for hands‑on builders who enjoy...

We’re launching a new team dedicated to modernizing and expanding one of our customer-facing tools — and we’re looking for a Full Stack Engineer to join us in building it from the ground up. This is a newly formed team, not a legacy product, so you’ll be part of shaping how it works from early onThe current stack is Vue.Js on the frontend and Python...

# Senior Full Stack Engineer (Python) | Ciberseguridad | Barcelona### Resumen del puestoBarcelona### Modelo de trabajoHíbrido · 3 días en casahace 2 díasDescripción del puesto## Sobre la posiciónColaboramos con el hub tecnológico en Barcelona de uno de los mayores grupos empresariales de Europa, con presencia en más de 30 países. Es una empresa...

We currently have a vacancy for aFull Stack developerfluent in English, to offer his/her services as an expertremotely (within EU). In the context of the first assignment, the successful candidate will be integrated in the Development team of the company that will closely cooperate with a major client’s IT team.Designing and developing tools to interact...

Full Stack Engineer (Senior/Lead) ID41561 ($2,500 signing bonus)AgileEngine 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 application development and AI/ML, and our people‑first culture has earned us multiple Best Place to Work awards.Why Join...

We are a European digital freight platform that simplifies the way shippers, carriers, and brokers connect. With a multicultural team of experts in land freight transport, we are leveraging our team's extensive knowledge, supported by our platform to provide an effective and great service to our customers. Supplemented by an in house broker team focused on...

AI Engineer / Full Stack Developer - AI Reporting & Insights - Barcelona or Warsaw based Madrid, SpainWarsaw, PolandFull timeR-Job Description Are You Ready to Make It Happen at Mondelēz International? Join our Mission to Lead the Future of Snacking. Make It Uniquely Yours. You provide software and application knowledge to support implementation of the...

CoatingAI is looking for aFull-Stack Engineerto join our growing team and help build the software powering the next generation of intelligent industrial coating systems.We are a technology startup combiningAI, software, 3D measurement, and industrial automationto make powder-coating processes smarter, more efficient, and more sustainable.You’ll work across...

? Tech Level: Senior ? Language Proficiency: Intermediate ? Employment type: Full time ? Candidate Location: Poland, other EU countries, Armenia, Georgia, Kazakhstan ? Working Time Zone: CET ? Start: asap ? Planned Work Duration: Preliminary 3 months with potential for extension ? Customer Description: The customer is a global mobility and urban services...

Why Join Us?100% remote | Global team | Full-timeIf you're looking to work on cutting-edge AI products, solve challenging problems, and be part of a fast-moving, high-talent team, you'll love it here.Join NineTwoThree AI Studio, a remote-first product design, engineering, and marketing studio, founded in 2012 and based in Boston. We build AI-powered web and...

ResponsibilitiesEngineers at haddock are action-oriented, curious, autonomous, and take full ownership of their work.Architect technical solutionsBuild backend and frontend code (80% backend, 20% frontend)Engineer AI workflows, balancing latency, cost and accuracyDo your own project management, rolling out your initiatives to customersTrack users, measure...

Jobgether SRL is seeking a Senior Full Stack Engineer (NET/React) based in Spain to build scalable, secure, and high-performing applications across backend and frontend layers. You will work with .NET/C#, React, Redux, and JavaScript, shaping architecture and development practices, and contributing to cloud-based solutions on GCP with CI/CD.You will mentor...

Role:Senior Full Stack Engineer (Remote)Location:Remote (Work from Anywhere)Role Overview:We are hiring for one of our clients, seeking a Senior Fullstack Engineer to work on a Full-Time basis. The role involves designing, developing, and maintaining full-stack applications using modern technologies. You will collaborate with cross-functional teams to...

Solera is seeking a Lead .NET Developer in Madrid with 10+ years of experience across .NET, Python, and React/Angular. You will lead full-stack development, architect scalable solutions, and drive DevOps practices to deliver high-quality software. The role requires collaboration with Product Management, Business Analysts, and cross-functional teams in an...

In this role, you will be architecting features from the database to the browser. Your center of gravity is the Go backend, APIs, data models, system design, but you’ll move into the React/TypeScript frontend whenever the feature requires it. You’ll join an experienced and supportive team where you’ll have a significant voice in shaping both our...

Atmen is a Munich and Madrid-based RegTech startup revolutionising green certification. Our SaaS platform helps energy-intensive industries (fuels, chemicals, materials) automate compliance and certification - cutting down time by up to 90%.We replace today's manual, costly, and unpredictable certification processes with continuous, technology-driven...

Ayesa Digital is seeking a Senior Full Stack Developer / Analyst Programmer in Madrid. You will join a stable, long-term project in transport and logistics, contributing across the full stack with Java, Spring Boot and Angular, and collaborating closely with product and operations teams. You will work in a hybrid model in Madrid, using modern CI/CD...