Empleos de mid-level full-stack developer en Barcelona

At Visium, we help leading enterprises define their AI strategy, deliver large-scale data transformations, and embed AI across operations to make organizations truly future-proof. A state-of-the‐art Agentic AI Platform designed for the Life Sciences industry, where knowledge, regulation, and innovation intersect. Born from Visium's deep enterprise AI...

The Full Stack Engineer builds and runs the digital surfaces the Commercial STO puts in front of Expereo’s Customers as well as Commercial and Service Pperations teams, front to back: the React front ends, the service layer those front ends consume, and the integrations that connect them to Salesforce and the wider systems landscape. You will join the...

About Us At THEKER, we're taking on one of the greatest challenges of the 21st century: redefining how physical work gets done in the world. About Us At THEKER, we're taking on one of the greatest challenges of the 21st century: redefining how physical work gets done in the world. We are a robotics and AI company building intelligent, adaptable systems...

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...

We are an international technology services company specialized in: IT: Banking, Insurance, Retail & E-Commerce, Healthcare Transport & Supply Chain: Rail, Automotive, Logistics, and Aerospace Manufacturing: Renewable Energy, Oil & Gas, and Utilities R&D: Research, innovation, and development of technology solutions At K-LAGAN, we focus on innovation, real...

MAIN RESPONSIBILITIES AND FUNCTIONS:· To develop apis and backend processes to establish the logic and services needed for frontend applications or api to api services.· To ensure api security, performance and stability.· To integrate other APIs and/or develop apis to be consumed.· To keep code clean, modular and reusable.· Use of good backend and...

MAIN RESPONSIBILITIES AND FUNCTIONS:· To develop apis and backend processes to establish the logic and services needed for frontend applications or api to api services.· To ensure api security, performance and stability.· To integrate other APIs and/or develop apis to be consumed.· To keep code clean, modular and reusable.· Use of good backend and...

Embrace DevOps, taking responsibility for your team's services from requirement analysis to operation. Make architectural decisions with your team to ensure high performance, robustness, and maintainability of the application, especially during the transition from on-premise to the cloud. Your ProfileExperience in front-end technologies such as HTML5,...

Overview En SlashMobility buscamos un Desarrollador Full-Stack Senior para impulsar soluciones web robustas y escalables. Trabajarás en un entorno dinámico y colaborativo, integrándote en un equipo de tecnología de alto rendimiento. Tu impacto se verá en productos digitales críticos para grandes corporaciones, con foco en calidad y entrega ágil....

Lexroom is building the AI platform where legal work gets done. In just over two years, we’ve grown from zero to €25M ARR, and today more than 20,000 legal professionals across Italy, Spain, Germany, France, and Bulgaria rely on Lexroom. We’re backed by $73M from Left Lane Capital, Base10 Partners, and Eurazeo, and we’re a team of around...

The Senior Full Stack Engineer will build and own product features working closely with the tech leadership. You will contribute to both frontend and backend systems, helping ship high quality software that is used daily by customers. This role is focused on delivery, quality and collaboration with the ability to influence technical decisions. ...

Hazte cargo de un producto de principio a fin —los usuarios, la hoja de ruta, el desarrollo y la release— sin nadie entre tú y las personas que lo usan. Los usuarios, en persona Qué se construye después, y por qué El desarrollo, de front a back Que de verdad se use Mainloop es una empresa de ingeniería en Barcelona . Somos...

Senior Fullstack Developer (Nodejs/React) BarcelonaFor one of our top clients in Barcelona, we are looking for a Senior Fullstack Developer (Nodejs/React) to join a long-term project. Mandatory RequirementsStrong experience with JavaScript and/or TypeScriptSolid experience with ReactStrong backend development experience with Node.js (preferably...

Senior Backend Developer | C# & .NET | Barcelona Buscamos un/a Senior Backend Developer especializado/a en C# y .NET para incorporarse al equipo de Digital Marketing & Sales de una compañía internacional líder en su sector , con presencia en más de 60 países y un equipo global de más de 20.000 personas. Barcelona | Modelo híbrido El equipo está...

Pack is seeking a Senior Full Stack Developer to design scalable web applications, optimize performance, and deliver a seamless user experience. The role sits at the crossroads of technical architecture, backend efficiency, and product-minded feature work. You'll build with SvelteKit, TypeScript, Node.js, PostgreSQL, AWS, SST, Vitest, and Playwright, lead...

We are an international technology services company specialized in: IT: Banking, Insurance, Retail & E-Commerce, Healthcare Transport & Supply Chain: Rail, Automotive, Logistics, and Aerospace Manufacturing: Renewable Energy, Oil & Gas, and Utilities R&D: Research, innovation, and development of technology solutions At K-LAGAN, we focus on innovation, real...

SlashMobilitySlashMobility es una firma boutique tecnológica que está construyendo algo diferente a la consultoría tradicional. No queremos ser una fábrica de horas ni una consultora masiva. Ayudamos a grandes organizaciones a diseñar y construir productos digitales y plataformas tecnológicas que realmente mueven su negocio. No nos limitamos a ejecutar...

¿Dominas React, Angular o Vue en el frontend y tienes experiencia en backend con Java ? ¿Tienes experiencia en Cloud y te apasiona crear soluciones con impacto real? ¡Tenemos el reto perfecto para ti! Cultura de mejora continua: Te integrarás en un proyecto retador que impulsará tus conocimientos y experiencia. Crecimiento profesional:...

Okify, a Barcelona-based PropTech startup, is seeking a Software Engineer to own end-to-end features across client portals and automation engines. You will collaborate with utility and insurance partners to establish and troubleshoot integrations, while solving architectural challenges alongside the founders in a small team. Based in or near Barcelona with...

Mondelēz International is seeking an AI Engineer / Full Stack Developer to join the AI Reporting & Insights team, working across Barcelona and Warsaw to design, build, and operate data pipelines and AI workflows. You'll collaborate with Product, Data Science, and IT to translate requirements into robust software, applying Python, React/Next.js, AWS, and...