Empleos de javascript back-end developer en Barcelona

Smadex is a Barcelona‑born Demand Side Platform delivering performance and transparency in programmatic for clients across America, Europe, and Asia. We’re growing our Creatives Studio to become one of the best and biggest creative performance teams in the ecosystem, building scalable creative solutions that drive measurable outcomes. The role: We are...

Since 2015, papernest has been transforming the way people manage their contracts, making subscription, management, and switching simple through one smart, intuitive platform. We have supported more than 2 million customers across France, Spain, and Italy. Along the way, we have continued to invest in new verticals, establishing papernest as a...

ОписаниеMaterialise Medical develops technology for personalized patient care, helping researchers, engineers, and clinicians improve treatment and save lives in a regulated healthcare environment.ЗадачиBuild and maintain back-end services and APIs using .NET Core;Develop front-end features using React, TypeScript, and related web...

Tu nueva empresa ¿Tiene su CV preparado? Si es así y confía en que este es el puesto ideal para usted, asegúrese de enviar su solicitud lo antes posible. Importante compañía del sector industrial ubicada en Lleida, inmersa en un proceso de transformación digital y mejora continua, busca incorporar un/a Full Stack Developer para reforzar su equipo...

NTT DATA es una consultora multinacional que ofrece soluciones tecnológicas, de negocio, estrategia, desarrollo y mantenimiento de aplicaciones, siendo un referente en consultoría.¿Es este su próximo empleo? Descúbralo leyendo la descripción completa a continuación y no dude en enviar su candidatura.Digital Technology es la unidad enfocada a...

CCM Developer (Front-End & Back-End) | Banking | Remote based in SPAINAre you an experienced Quadient Inspire Developer looking to work on a large-scale digital transformation programme within the financial services sector?We're hiring a Senior Quadient Inspire Developer to join a global technology consultancy delivering innovative digital onboarding and...

We are looking for a Senior Full-Stack / GenAI Engineer to join an international AI Products team working on the evolution of a secure, enterprise-grade GPT platform. You will contribute mainly to back-end development (around 90%), with occasional front-end contributions, building secure and scalable features for document understanding, translation,...

Junior Frontend DeveloperReferencia: #112321Localización: BarcelonaNuestro cliente es una joven agencia de marketing digital, especializada en dar servicio, estrategias y técnicas en Marketing Digital y Programación en pymes de todos los sectores.Adaptandose a las necesidades de sus clientes en función de sus objetivos. Posicionamiento en buscadores,...

OverviewJob Type: Contractor  Location: RemoteWe’re looking for a Cocos2d-x Game Developer to support AI training by designing and evaluating real-world game development tasks. In this role, you’ll use your hands-on experience to create practical scenarios covering game logic, animations, UI, and performance, and help improve how AI systems understand...

Labhouse is a Barcelona-based startup studio building AI-powered mobile apps used by hundreds of thousands of people worldwide. Our products — including Invoice Fly and Summary AI — are designed to make everyday tasks faster, smarter, and simpler through a subscription model that puts the user first. We were founded by Andrés Bou and Horacio Martos, the...

Descripción del puesto / FuncionesEstamos buscando un/a Full Stack Web Developer con fuerte orientación backend para unirse al equipo de productos de IA que desarrolla una plataforma Multi-cloud de GenAI (Azure, AWS, Google Cloud), con foco principal en el servicio Secure GPT.Se trata de un rol técnico clave en un entorno internacional, donde...

Nacar is a strategic design agency based in Barcelona, seeking a passionate Business Developer to join our team. The position focuses on client networking, relationship management, and an end-to-end sales process.Ideal candidates will have over 5 years of experience in business development, strong negotiation skills, and fluency in English. The role offers a...

NEXT | eDO Tech Graduate ProgramYou're a tech or IT student. You're about to graduate or you have done so for a year or so. You start to wonder about the future. And then you ask yourself what's next.eDO is NEXT!Join the world's leading travel subscription platform and one of the largest e-commerce businesses in Europe.If you're looking for the best...

Your Tasks We're looking for a Senior Developer to design, build, and operate scalable internal business applications and intelligent automation solutions serving 55,000 employees. You will drive architecture decisions, mentor teams, and partner with business stakeholders to deliver measurable productivity gains across the enterprise. Your...

Description Do you love turning ideas into working code that makes a real impact? Feel energized by building solutions that make global systems faster, smarter, and more reliable. Enjoy collaborating across teams to solve complex problems and bring business needs to life through technology? Join Shipco IT as a Senior Application Developer At Shipco IT,...

Junior Frontend DeveloperReferencia: #112321Localización: BarcelonaNuestro cliente es una joven agencia de marketing digital, especializada en dar servicio, estrategias y técnicas en Marketing Digital y Programación en pymes de todos los sectores. Adaptandose a las necesidades de sus clientes en función de sus objetivos. Posicionamiento en buscadores,...

Are you an experienced backend developer passionate about using your skills to combat cybercrime and fraud? BioCatch, the market leader in behavioral biometrics, is looking for a back-end developer to join our dynamic team. As a Senior backend developer at BioCatch, you will work with a team of intensely curious individuals dedicated to innovation and...

Craft:Technology & DevelopmentJob Description:King operates mobile games at a massive scale. With titles like Candy Crush, Candy Crush Soda Saga and Farm Heroes Saga, our code runs on hundreds of millions of devices across the world. We believe that the right tools in the right hands are key to our success as a company.If you want to boost productivity for...

Who we areFilmin is a Video On Demand platform focused on independent cinema and series, novelties and classics. This approach allows Filmin to present an extensive catalog of 15,000 titles, the largest in Europe for a subscription platform and is currently operating in Spain, Portugal.¿Listo para inscribirse? Antes de hacerlo, asegúrese de leer todos los...

Fhios is a technology consultancy and creative agency applying AI to Digital Marketing, Development, and Cybersecurity projects. We are seeking a developer to build and maintain PHP web apps, optimize code for security and performance, and collaborate with cross-functional teams to deliver value.Candidates should have 2–3 years of web development...