Empleos de full stack engineer annotator en Madrid

We’re Kabilio, a company backed by two leading venture capital firms, founded by experienced entrepreneurs, Alex Valls and Jose Ojeda, with a strong track record in building and scaling successful tech companies.What We’re BuildingOur goal is to become the go-to Financial Operating System for accounting firms and SMEs in Southern Europe, unifying...

NUMBERO, a leading German tech startup revolutionizing after-sales processes in car dealerships, is looking for a Full Stack Engineer (m/f/d) to join our growing development hub in Valencia.Who We AreAt NUMBERO, our mission is to equip car dealerships with cutting-edge tools to optimize their after-sales operations.We integrate trusted sources for parts and...

# 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...

Job DescriptionKleinanzeigen reaches 36M+ monthly users and is Germany’s leading online classifieds market. We are a sustainability-focused platform where you won't just write code; you will power the services that bridge our high-traffic backend with seamless user experiences.Joining the Edge team means working on the bedrock of Kleinanzeigen, dealing...

MediaRadar is seeking a Software Engineer I to join our Madrid-based team, building features across our modern cloud platform with guidance from senior engineers. You'll contribute end-to-end across UI, backend, and data interfaces, gaining exposure to adtech, data intelligence, and advertising insights in a fast-growing, globally expanding company. Ideal...

Buscamos un/a Full Stack Software Developer / Software Engineer, con orientación principalmente Backend, para incorporarse a un equipo encargado del desarrollo y mantenimiento de una aplicación innovadora.La persona seleccionada participará tanto en el desarrollo de nuevos módulos como en la evolución y mantenimiento de la aplicación, trabajando en...

Simple Life is the #1 AI-powered health coaching app for adults who want to lose weight and enjoy a healthier lifestyle-without the stress or extremes. Our mission is to empower people to feel their best every day. By challenging traditional, restrictive approaches, Simple offers a more sustainable method grounded in ease, personalization, and real-life...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Full-Stack Product Engineer | Node.js, AI-Native (Boosters R&D) based in Spain. Join an early-stage product team building an innovative solution in the personal digital security space, where your engineering decisions...

Lead Engineer to guide engineering architecture, deliver core features, and mentor engineers for an AI-driven platform.

A leading software startup is seeking a full-stack engineer to join a small team and help scale their product. You will work with a diverse tech stack, including Ruby on Rails and Ember.Js. The role emphasizes collaboration and offers flexibility with fully remote work. Candidates should have at least 2 years of relevant experience and the desire to...

AI Engineer / Full Stack Developer - AI Reporting & Insights - Barcelona or Warsaw based Madrid, Spain Warsaw, Poland Full time R- 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...

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...

Super is seeking a talented Full Stack Engineer to join a fast-growing European team. You will own features end-to-end and collaborate with product managers, designers, and backend engineers to ship impactful updates with high performance and reliability. You will work with modern tech—TypeScript, React, Node.js, Vite, PNPM, AWS, Kubernetes—while...

Are you looking for an innovative and well‑established place to develop your professional career? GMV is a technology group with extensive experience. If you want to know more about us, visit the GMV website. What challenge will you be taking on? As part of our team, you will work on critical systems for the space sector, developing high‑quality web...

As a Full Stack Engineer, you'll join a Cloud Engineering organization where engineers are encouraged to think beyond traditional frontend and backend boundaries. You'll have the opportunity to own meaningful features end to end, work across different layers of the stack, and contribute to products and infrastructure used at scale. We are also actively...

Senior Full Stack Engineer - AI Carbon Intelligence PlatformFull-timeIFS is a billion-dollar revenue company with 7000+ employees on all continents. Our leading AI technology is the backbone of our award-winning enterprise software solutions, enabling our customers to be their best when it really matters–at the Moment of Service. Our commitment to internal...

Backend / Full Stack Software Engineer (all genders)Join our growing tech hub in Málaga and become part of an international team building a modern, Kubernetes-based supply platform. As a Backend / Full Stack Software Engineer (all genders), you will contribute to developing a solution that automates and optimizes end-to-end purchasing and article onboarding...

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...

Location:Barcelona and surrounding areaWorking model:Hybrid - 4 days remote, 1 day per week in our Barcelona officeOffice:KPS Iberia, C/ Pau Claris 162-164, 08037 BarcelonaAbout KPSKPS is a global consulting and technology company delivering digital transformation and e-commerce solutions for leading international clients. At KPS Iberia, you will work in an...

ElevenLabs is seeking Full-Stack Engineers to build and maintain front-end and back-end components for our Creative & Studio products, including Image/Video, Flows, and Audiobooks. You will work across voices and AI models to deliver scalable features used by millions of users. We offer flexible staffing, autonomy, and a global remote setup, with...