Empleos de full stack software engineer en Zaragoza

AgileEngine, LLC. is seeking an experienced Sr. Full-Stack Software Engineer to support an AI training project. This fully remote contractor role focuses on developing and debugging front-end and back-end systems, building APIs, and evaluating AI-generated code for quality and security.You will work across languages and codebases, translating software builds...

Kapa.ai is seeking a software engineer to work across the stack, helping answer thousands of developer questions daily. You will scale the RAG engine, build features in the analytics platform, and maintain client integrations using React and Python.The role requires a CS/ML background with 3+ years of experience in backend and frontend work, and an interest...

Sr. Full-Stack Software Engineer - RemoteFull-Stack Software EngineerLocation: Global, Fully RemoteJob Type: Contractor | ~15 hours/weekSchedule: FlexibleWe'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...

Sr. Full-Stack Software Engineer - RemoteFull-Stack Software EngineerLocation: Global, Fully RemoteJob Type: Contractor | ~15 hours/weekSchedule: FlexibleWe'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...

Shakers is seeking a Freelance Senior Full-Stack AI Engineer to turn generative models into trusted production systems. Work 100% remotely for a 6-month engagement, collaborating on Vercel v0 Platform API-based harnesses and LLM workflows. You will build with ReactJS, TypeScript, Next.js, Node.js, REST/GraphQL, and PostgreSQL, and automate GitHub and...

About The Agile MonkeysWe're a software studio of 75+ people, and still growing. We build production AI systems for regulated industries like healthcare, insurance and banking, mostly for US clients. We also build our own AI-native products. AI isn't a layer we add on top. It's how we work and what we ship.About the roleWe're growing several teams at once,...

Mondelez International is seeking a versatile Full Stack Engineer with a strong Data Engineering background to join our Media Data Platform team. You will bridge complex data infrastructure and user-facing solutions, collaborating with vendors and internal stakeholders to deliver secure, scalable data products. The role emphasizes data pipelines,...

Full Stack Engineer - Java/Node.Js & ReactLocation: Remote - EuropeContract: 12 monthsRate: €250-€300 per dayStart: November 2026About the RoleWe are seeking an experienced Full Stack Engineer for an exciting 12-month remote contract with an established international organisation. You will contribute to the design, development and optimisation of...

YO AI Labs is seeking experienced Full-Stack Software Engineers to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving. This is a contractor role offering about 15 hours per week and fully remote work globally.Responsibilities include building and debugging frontend and backend systems,...

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

bunch is building the operating infrastructure for private markets. As a Full Stack Engineer with a frontend focus in our Platform team, you'll shape frontend architecture, contribute to backend services, and help maintain our Design System. You will ship end-to-end features that empower thousands of users managing billions in assets. You'll collaborate...

Avenue Code in Spain is seeking senior professionals with a generalist profile, strong backend with Node.js, and solid React frontend experience to own product initiatives end-to-end. You will develop features independently, contribute to architecture, and collaborate in a small, autonomous squad within a SaaS context, balancing speed, quality and...

Role - Video Conferencing- Full stack EngineerLocation - Remote (Spain/Poland/Germany/Netherlands)Type of employment - FTE (4 months)The objective of this project is to support vendor selection through an extensive discovery, evaluation, and prototyping phase. We are seeking contractors with deep expertise in video conferencing platforms who can help...

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 owning...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Full-Stack Engineer – ElevenMusic based in Spain. Join an innovative engineering team building a next-generation consumer music application powered by artificial intelligence. As a Full-Stack Engineer, you will take...

We are looking for a Lead FullStack Engineer with strong backend expertise to help us build reliable, scalable, and high-quality products. You will lead a small engineering team consisting of 3 engineers and 2 QA specialists. This is a hands?on role requiring deep involvement in architecture, complex technical challenges, and production development. We...

We are looking for a Lead FullStack Engineer with strong backend expertise to help us build reliable, scalable, and high-quality products. You will lead a small engineering team consisting of 3 engineers and 2 QA specialists. This is a hands?on role requiring deep involvement in architecture, complex technical challenges, and production development. We...

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...

ElevenMusic, listed via partner, is seeking a remote?first Full-Stack Engineer based in Spain to build a next?gen AI?driven consumer music application. You will own features end?to?end, collaborating with researchers to deploy AI models and deliver quick iterations to users worldwide. You will work across frontend and backend systems, ship production?ready...

A leading tech recruitment agency is seeking a Full Stack Engineer for a fixed-term contract in Zaragoza. The ideal candidate will have 2-5 years of experience in both frontend and backend development, proficient in React, TypeScript, and Python. Your role will involve building internal tools and data dashboards, as well as managing deployments using Docker...