Empleos de staff full-stack engineer en Madrid

About the Role Working with a Series B Tech startup within energy industry. We are looking for a Staff Full Stack Engineer to lead technical vision, architectural design, and execution across systems driving their expansion. You will build high-impact backend infrastructure, automate tendering workflows, design deal-gating risk tooling, and deploy agentic...

About the RoleWorking with a Series B Tech startup within energy industry.We are looking for a Staff Full Stack Engineer to lead technical vision, architectural design, and execution across systems driving their expansion.You will build high-impact backend infrastructure, automate tendering workflows, design deal-gating risk tooling, and deploy agentic...

About the RoleWorking with a Series B Tech startup within energy industry. We are looking for a Staff Full Stack Engineer to lead technical vision, architectural design, and execution across systems driving their expansion. You will build high-impact backend infrastructure, automate tendering workflows, design deal-gating risk tooling, and deploy agentic...

Owen Thomas | B Corp™ is seeking a Senior Staff Full stack Engineer on a 12‑month contract. This fully remote EU‑based role centers on Rust and Java for backend, with React and Python as secondary stack. The contract is Outside IR35 and pays £500-600 per day. You will help shape backend services, contribute to architectural decisions, and collaborate...

About the Role Working with a Series B Tech startup within energy industry. We are looking for a Staff Full Stack Engineer to lead technical vision, architectural design, and execution across systems driving their expansion. You will build high-impact backend infrastructure, automate tendering workflows, design deal-gating risk tooling, and deploy agentic...

Owen Thomas | B CorpTM is seeking a Senior Staff Full stack Engineer on a 12?month contract.This fully remote EU?based role centers on Rust and Java for backend, with React and Python as secondary stack.The contract is Outside IR35 and pays £******* per day.You will help shape backend services, contribute to architectural decisions, and collaborate with...

Immersum is seeking a Staff Full Stack Engineer to lead technical vision, architectural design, and execution across systems powering its energy-tech platform. You will build scalable backend infrastructure and deploy agentic workflows to accelerate growth. Key focus areas include Python-based services, AWS serverless architecture, and complex...

Owen Thomas | B CorpTM is seeking a Senior Staff Full stack Engineer on a 12?month contract. This fully remote EU?based role centers on Rust and Java for backend, with React and Python as secondary stack.The contract is Outside IR35 and pays £******* per day. You will help shape backend services, contribute to architectural decisions, and collaborate...

Staff Full stack Engineer (Contract) | Rust and Java (Primary) | React and Python (Secondary) | Fully Remote (EU-based) | £500-600/day | Outside IR35 | 12-month contract The Opportunity We’re supporting a fast-scaling, globally distributed tech business that is evolving its backend architecture and investing heavily in performance, scalability, and...

Deeto is transforming how B2B companies grow by turning their customers into their most powerful growth engine.Our AI?powered voice of customer (VoC) platform makes it effortless for companies to capture, organize, and activate authentic customer voices—delivering the right proof points at the right moment to accelerate deals and build trust at...

Job Description Kleinanzeigen reaches 36 M+ 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. Job Description Kleinanzeigen reaches 36 M+ monthly users and is Germany’s...

Permut is the leading conversational AI platform for brands to build, optimize and scale AI agents across every customer channel.+100 amazing brands chose Permut in our first year.Our ambition is to become the platform that powers how brands serve, engage and sell through AI.We're looking for builders who move fast, take ownership and care about the products...

Our client is transforming the car rental industry through an asset-light, data-driven platform that helps dealerships and workshops turn idle vehicles into new revenue streams.With 650+ locations across Europe and the US, their marketplace connects vehicle supply with customer demand while supporting expansion into new international markets.They're now...

Buscamos un full stack engineer con una base técnica sólida y, sobre todo, una alta capacidad de aprendizaje y actitud proactiva. No requerimos años de experiencia en entornos complejos, sino una persona con "hambre" tecnológica, que quiera especializarse en la automatización de infraestructuras y que se sienta cómoda trabajando en entornos...

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business. Here, you'll do meaningful work that helps millions of...

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...

We’re looking for a Full-Stack Engineer to join our team and help shape the future of contextual advertising as we continue to expand globally. Who We Are At Seedtag, our goal is to lead the change in the advertising industry because we believe that effective advertising should not be at odds with users’ privacy. Every day, our teams develop new services...

Are you passionate about modern technology and motivated to build reliable financial market infrastructure? Do you thrive in an agile, self-organized environment where collaboration, trust, and innovation guide the way? Then our software development team would like to hear from you. We develop and operate the TriParty Agent (TPA), a critical financial...

AI Engineer / Full Stack Developer - AI Reporting & Insights - Barcelona or Warsaw basedMadrid, SpainWarsaw, PolandFull timeR-Job DescriptionAre 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 given...

Management of the front-end (desktop/mobile) and backend for frontend design, implementation, testing and deployment. Responsibilities: Work with development teams and product managers to ideate software solutions Design client-side and server-side architecture Build the front-end of applications through appealing visual design Develop and manage...