Empleos de senior full-stack engineer api en Barcelona

Lexroom Srl is seeking a Sr. Full-Stack Software Engineer to support an AI training project focused on software development, debugging, code evaluation, and cross-language translation. This is a remote contractor position with ~15 hours per week. You will contribute to both front-end and back-end systems, review AI-generated code for quality and security,...

Smadex As a Senior Full Stack Engineer, you will serve as the technical anchor and architectural pillar for the team. Partnering closely with our delivery and operational team lead, you will take ownership of technical excellence, establish sound architectural standards, and mentor the team. This is a high-impact, hands-on Individual Contributor (IC) role...

Smadex is a performance advertising engine for mobile apps, enabling the world's leading marketers to grow across Mobile and Connected TV (CTV).Powered by AI models trained on real campaign outcomes, Smadex delivers profitable growth at scale.Headquartered in Barcelona, with teams across the Americas, EMEA, and APAC, Smadex is a business unit of Entravision...

Henry Schein in Barcelona is seeking a backend/API developer to design and implement APIs and backend processes enabling frontend applications and API-to-API services. You will ensure security, performance and stability of APIs, integrate third-party services, keep code clean and modular, and collaborate with design teams to build interactive interfaces. ...

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...

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...

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. ...

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...

# 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...

Buscamos un desarrollador o desarrolladora senior para unirse a Mind Training Games en Barcelona. Hacemos juegos diarios para más de 80 medios digitales de más de 15 países, y estamos construyendo productos nuevos para medios de mucho tráfico.Qué harásDesarrollar y mantener el backend y la API de nuestros productos: modelo de datos, lógica de negocio...

The Senior Full Stack Engineer will build and own product features ¿Interesado en saber más sobre este trabajo? Desplácese hacia abajo y descubra qué habilidades, experiencia y cualificaciones académicas se necesitan.working closely with the tech leadership. You will contribute to both frontend and backend systems, helping ship high quality software...

Role Barcelona onsite - 3 days at the office/2 days at homeCompanyAstraZeneca is a global, innovation-focused biopharmaceutical company dedicated to the discovery, development, and commercialisation of prescription medicines for some of the world's most serious diseases. We're more than one of the world's leading pharmaceutical companies - we're proud to...

Henry Schein in Barcelona is seeking a backend/API developer to design and implement APIs and backend processes enabling frontend applications and API-to-API services. You will ensure security, performance and stability of APIs, integrate third-party services, keep code clean and modular, and collaborate with design teams to build interactive interfaces....

Factech es una empresa multinacional especializada en servicios IT para grandes compañías. Con más de 2.500 profesionales y presencia en España, Colombia y México, participamos en proyectos tecnológicos de alto impacto junto a clientes líderes.Full Stack Engineer Seniorpara una misión temporal de 3 meses, donde construirás soluciones desde cero en...

Henry Schein, Inc. is seeking developers to design and implement API-based backend systems and responsive interfaces for healthcare-related frontend applications. The role emphasizes secure, scalable services, clean code, and reusable components, with attention to accessibility and cross-browser compatibility. The candidate will collaborate on API...

About PillarPillar is one of the fast growing startup from Italy which raised 3.2M€ pre-seed, 10 months later reached 1M€ ARR, and a couple of months later raised the biggest seed round of Italy: 12M€.Pillar is the new standard for constructionsAn enormous industry full of inefficiencies and slow processes—one that moves billions but still operates...

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...

MaxIT Consulting – Max Corporate Group is looking for a Senior AI-First Full-Stack Engineer to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector. The company operates a multi-sided marketplace used by hundreds of hospitals and care organizations across several European countries,...

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...