Empleos de mid-level full-stack developer en Barcelona

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...

Overview As a Full Stack Developer at Caravelo, you will build scalable backend systems in a high-transaction fintech/traveltech environment while contributing to UI work when needed. You’ll design APIs, implement secure, modular services, and optimize data models for high availability. The role involves close collaboration with frontend teams, applying...

Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more.By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we're on a mission to power real work, with real impact.Founded in ****, Perk has grown into a...

Workday Analyst - Cross Application - Full Remote Spain or Portugal MadridSevillePT-Lisbon TelecommuterBilbaoValenciaPT-BragaES-MalagaBarcelonaPT-PortoFull timeR*****By joining Sedgwick, you'll be part of something truly meaningful.It's what our 33,000 colleagues do every day for people around the world who are facing the unexpected.We invite you to grow...

Lognext, empresa tecnológica española, busca un/a Desarrollador/a Full Stack B2B para colaborar en un proyecto de innovación para un grupo internacional del sector asegurador y financiero, con fuerte apuesta por la transformación digital.La posición es 100% remota dentro de España y se centra en backend, integraciones y evolución de aplicaciones, con...

Our Technology team drives the evolution of our Engineering, Data, Product and User Experience functions. Within this group, the GenAI Experiences team builds generative AI products that define the future of news and business intelligence for millions of users across the Wall Street Journal and Dow Jones brands. Dow Jones is seeking a Senior Software...

Today, we are 80+ people, serve 900+ customers, raised €12 million in 2026, and are expanding internationally. We are building the financial operating system for construction: bringing AI, automation, and modern software to an enormous industry still full of slow, fragmented processes. We are looking for a product-minded Full Stack Engineer who leans...

We are the world market leader for reusable packaging containers (RPCs) for fresh food and are constantly optimizing our products. We help make the food supply cycle for the population more sustainable. With our RPCs, safety for food transport is improved, there is less waste of food and at the same time the lifespan of the products increases. Through our...

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...

RocaSalvatella somos una consultora de referencia en transformación digital, innovación y negocio . Acompañamos a grandes organizaciones en su adaptación al entorno digital, combinando estrategia, tecnología y talento para generar impacto real y sostenible. Creemos en la cocreación con el cliente, la agilidad y la orientación a resultados. Diseñamos...

Expereo International is seeking a Full Stack Engineer to join the Commercial STO, driving front-end React/TypeScript and the Node.js service layer, with strong ties to Salesforce integrations.You will own features end-to-end from API design through production deployment, collaborating with product, operations, and architecture teams.You will work across...

CORUS Consulting is seeking a Senior Full Stack Developer to join our globally distributed engineering team. Design, build, test, and deploy scalable web applications across the full stack using modern frameworks.You will work on front-end and back-end development, build and consume RESTful APIs, and collaborate with product managers and designers to deliver...

Titan Operating System S.L. (Titan OS) in Barcelona seeks a senior full-stack engineer with a backend focus to design and build scalable, compliant ad-tech systems. You will participate hands-on while leading a team of engineers and shaping architecture across Rails, Go, and frontend components. You will collaborate with Product, Data, Ad Ops and Sales to...

An innovative tech firm in Barcelona seeks experienced developers and software engineers for project-based AI opportunities. Contributors will craft challenging coding test cases, analyze AI failures, and write comprehensive functional tests. The role is ideal for those with a degree in Computer Science or related fields and 5+ years in software development,...

Indeep AI is seeking a versatile Full-Stack AI Engineer for our Barcelona office.You will work across the entire stack—from backend services and AI pipelines to the frontend and deployment infrastructure—supporting the CTO in delivering a coherent, reliable product.This hands-on role fits a generalist who thrives in a fast-paced startup.You'll own...

Mind Training Games en Barcelona busca un/a desarrollador/a senior para unirse al equipo. Desarrollarán y mantendrán el backend y la API de productos, gestionando datos, lógica de negocio e integraciones con clientes, con foco en rendimiento en picos de tráfico. Trabajarán en la construcción de productos nuevos desde cero, con alta disponibilidad y...

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.What This Opportunity InvolvesYou'll create challenging coding test...

A leading software development company in Spain is seeking a Full Stack Senior/Lead Engineer to join their agile team. You will build features and enhance user experiences across web and mobile platforms, leveraging your expertise in ReactJS, NodeJS, and React Native. Ideal candidates should have over 5 years of experience in building scalable systems and...

MaxIT Consulting – Max Corporate Group is seeking a Senior Full-Stack Engineer to own the AI-Native Applications stack for a European healthcare AI platform. You will build and operate production web apps across frontend, backend, and cloud, applying TypeScript/React and Java/Python/Kotlin/Go with AWS or GCP. You will work in a founder-led environment with...

Are you a Senior Full Stack Engineer looking for an opportunity to build and scale high-impact, user-facing AI product features?At Restb.ai, we specialize in industry-specific visual recognition, helping businesses unlock powerful insights through AI-driven automation.We don't just recognize objects (that's so ****), we teach computers to understand...