Empleos de full-stack engineer nodejs nextjs en Barcelona

A product-minded engineer to build AI-powered products for banks and fintechs. You will decide what we build, build it and own how it does with real clients. About Triple Triple is building the intelligence layer for financial services. From our roots in merchant transaction data, we’ve expanded to solve one of the industry’s biggest challenges: payment...

N26 is modernising its Banking Foundations to deliver secure and compliant banking services across Europe, with our Customer Identity initiative owning the full identity verification stack from KYC orchestration to regulatory checks. As a Backend Engineer you will collaborate with your Tech Lead to architect new features, design, develop, test, deploy and...

Location: Barcelona (Hybrid / Flexible) Contract Type: Contractor Full-Time / Enterprise Project Engagement About Xenon7 Where elite tech talent meets world-class opportunities! At Xenon7, we work with leading enterprise clients and innovative startups on high-impact projects across Data, AI, Cloud, and Software Engineering. Our expertise in AI solution...

Happy Robot Inc. in Barcelona is seeking a Forward Deployed Engineer to join our founding France team. You will work directly with customers to maximize value of our AI platform and contribute to onboarding, implementation, and ongoing support. The role blends strong technical work with clear communication, including full-stack development, AI/ML...

Preply Inc. in Barcelona is seeking a Senior II Full-Stack Engineer (back-end heavy) to join a cross-functional team.You’ll design and evolve scalable back-end systems with Python/Django while contributing to frontend in React/TypeScript, balancing immediate product needs with long-term sustainability. The role is hybrid, with about 85% back-end focus and...

Spendesk is seeking a product-minded Software Engineer to join the Control squad, with roles open in London, Paris, or Barcelona. You will design policies, workflows and dashboards to help finance teams control spend without slowing employees.This is a full-stack role with emphasis on frontend experiences, configuration flows and dashboards. You’ll work...

Sateliot is a Barcelona-based satellite company with one goal: connect everything, everywhere. Founded in 2018, we've built the first satellite constellation that lets standard commercial devices communicate directly from space. Our technology bridges the gaps that terrestrial networks will never reach, bringing affordable and secure connectivity to...

N26 is modernising its Banking Foundations to deliver secure and compliant banking services across Europe, with our Customer Identity initiative owning the full identity verification stack from KYC orchestration to regulatory checks.As a Backend Engineer you will collaborate with your Tech Lead to architect new features, design, develop, test, deploy and...

We AI, en Jungle, busca un/a AI Solutions Engineer para unirse al equipo y transformar visión en productos de IA en Barcelona. Se trabajará en desarrollo full stack asistido por IA, integración de agentes y orquestación de LLMs, con foco en calidad, seguridad y escalabilidad. El puesto requiere colaboración con equipos de producto y diseño, y un...

Wizeline in Barcelona is seeking a senior full‑stack software engineer to design and build scalable web apps using React/Next.js on the frontend and Node.js/GraphQL on the backend. You will work with diverse teams to select optimal stacks and deliver clean, well‑documented code.The role emphasizes architecture, cross‑stack expertise, and clear English...

Location: Barcelona (Hybrid / Flexible) Contract Type: Contractor Full-Time / Enterprise Project Engagement About Xenon7 Where elite tech talent meets world‑class opportunities! At Xenon7, we work with leading enterprise clients and innovative startups on high-impact projects across Data, AI, Cloud, and Software Engineering. Our expertise in AI solution...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Forward Deployed Engineer (Founding) based in Spain. Join an innovative, fast-growing technology startup building infrastructure that enables developers to create powerful integrations between applications and AI agents. As a...

Are you a Software Engineer with strong programming experience?AtPerk, we aren’t looking for "stack experts"—we want ingenious engineers who can select and implement the right tools to build world-class solutions.You will join our mission to redefine business travel, working hand-in-hand with our product teams to architect a platform that eliminates the...

Location: Remote / Barcelona (occasional onsite visits) Contract Type: B2B / Freelance About the Role We are looking for an experienced Forward Deployed Engineer with a strong background in full-stack software development, product thinking, and AI integration. The ideal candidate will be able to translate business needs into practical technology...

Join to apply for the Lead Software Engineer role at Seqera 5 days ago – Be among the first 25 applicants. Seqera exists to advance science for everyone through software. We provide solutions for scientists tackling complex challenges in therapeutics and the cosmos. Our flagship open-source product, Nextflow, empowers over 100,000 global scientists to...

BarcelonaEngineering – Engineering /Full-time /HybridWho we are: At Rover, pets and their people are at the heart of everything we do. Presente su candidatura después de leer los siguientes requisitos de habilidades y cualificaciones para este puesto. We connect pet parents with trusted pet care across the U.S., Canada, Europe, and Australia....

About Telgea Telgea is the largest mobile plan provider measured by launched in the most countries world-wide. We're backed by Telenor, Vodafone, Fastweb, and Swisscom. We give multinational enterprises unified connectivity across multiple countries through one solution. This is enabled by stitching together carriers, regulations, and billing across borders...

Telgea, based in Barcelona, is seeking a Product engineer to own projects end to end from scope to production and launch. You will use AI tools to design and implement solutions that integrate with the core platform while working with the engineering team. This on-site role requires 3+ years as a full stack engineer and 1+ year with product management, with...

Smadex The teamYou will join our core engineering team, a collaborative group of 8 experienced engineers responsible for maintaining and evolving the real-time bidding (Open-RTB) auction system that powers our entire business. We foster a fast-paced, supportive environment where knowledge sharing is key. We value autonomy and will provide the platform for...

Eco Vadis is seeking a highly motivated Senior AI/ML Engineer to join our growing AI Center of Excellence in Barcelona. You will drive innovation by building scalable AI/ML systems and pipelines, leveraging Python, MLflow, Azure stack, and Databricks. The role is hybrid in Barcelona (4 days per month in the office) with full remote work from Spain. We value...