Empleos de junior full stack software developer en Barcelona

Your mission We are looking for a Senior Developer to work on our multi-tenant B2B SaaS platform, used by HR teams and by employees across the organisations we work with. The role combines hands-on development with architectural decisions and code review, and carries direct ownership of the areas you work on. This Is What You Will Do With Us Develop across...

We are seeking a highly skilled and experienced AI Software Engineer to join our dynamic and collaborative development team in Karlskrona, Barcelona or Leuven! As an AI Software Engineer, you’ll play a key role in developing our core AI services within the cyber security domain, refining and adapting models, and enabling teams across the company to...

Buscamos un/a Senior Full Stack Developer con enfoque AI-Native para incorporarse a un proyecto tecnológico de alto impacto, participando en el desarrollo de aplicaciones de monitorización y gestión de emisiones, así como en plataformas de Distribution, Pricing & Processing.¿Tiene las habilidades necesarias para este puesto? Lea todos los detalles a...

Smadex is a cutting‑edge ad‑tech company: we process more than 4.5 million ad requests per second, replying under 100 ms (for reference, the Google search engine handles ~76,000 QPS). Every day we generate several TBs of data that need to be processed, analyzed and aggregated, so our real‑time components get smarter every day. We need you to help...

Remote freelance full-stack developer role using React and NestJS with opportunities in QA and test automation. Requires hands-on React.Js and TypeScript.

Role: Senior / Principal Software Engineer Job Type: Full-Time Contract Type: Direct employment with our client Location: Hybrid – Barcelona Language: Fluent Spanish is required Visa sponsorship is not available for this role [Only interested in speaking with candidates who are comfortable working in a hybrid model] Our partner is building...

Role: Senior / Principal Software Engineer Job Type: Full-Time Contract Type: Direct employment with our client Location: Hybrid – Barcelona Language: Fluent Spanish is required Visa sponsorship is not available for this role [Only interested in speaking with candidates who are comfortable working in a hybrid model] Our partner is building...

¿Eres capaz de llevar requerimientos de negocio a la ejecución técnica de vanguardia asegurando que la IA sea el núcleo de cada solución? Buscamos un/a Senior AI Developer con mentalidad full stack que no solo domine el desarrollo de software tradicional, sino que lidere la nueva metodología de Vibe Coding y la arquitectura de agentes. El Ecosistema |...

In K-LAGAN we are waiting for you to continue growing together!We are an international strategic company of technological services, essentially committed to its team and to society. We offer solutions in IT services, engineering developments, electronics, and R&D projects. Our commitment is to hire the best talent regardless of race, religion, gender, age...

About UsPerk (formerly TravelPerk) is the intelligent platform for travel and spend management. 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,...

At Materialise Medical, we believe that better healthcare starts with solutions designed around the individual patient. If you’re passionate about bringing personalized care to every patient, you’ll love being a part of this team. Through the technology we develop, researchers, engineers, and clinicians are revolutionizing personalized treatment —...

REVER is a Barcelona based startup backed by Y‑Combinator. REVER's mission is very ambitious: change the way people buy by giving superpowers to shoppers. We are now obsessed on drastically improving the return experience both for the shopper and the e‑commerce. The challenge is massive: we want to change a $2.5 Trillion industry. For that we have a...

We are seeking a Senior Software Engineer with more than 10 years of experience in designing and building Java applications with a proven track record of modernising legacy applications in regulated environments. In this role, you will drive cloud-based transformations, design microservices platforms, and mentor developers through complex technical...

Build a career powered by innovations that matter!  At Novanta, our innovations power technology products that are transforming healthcare and advanced manufacturing—improving productivity, enhancing people’s lives and redefining what’s possible.  We create for our global customers engineered components and sub-systems that deliver extreme precision...

About the opportunityBanking Foundations domain mission for N26 is to provide secure and compliant banking services that are frictionless and innovative for customers, while enabling efficient operations and informed decision-making for our staff.We achieve this through robust customer identity verification, proactive risk management, and seamless customer...

This role requires you to relocate to Auckland, New Zealand. We will provide visa and relocation support. About Halter At Halter, we’re on a mission to enable farmers and graziers to run the most productive and sustainable operations. Our customers are using Halter to break free from the time-intensive constraints of conventional practices. Imagine...

ABOUT CODEWAYCodeway builds category-leading consumer AI apps on mobile and web, at global scale. 600M+ downloads. 60+ apps. 400+ builders across Barcelona and İstanbul. Completely bootstrapped. No board. Profitable since year two. Small teams move faster than big ones. But they need big resources to win at scale. Nobody starts from zero. The problem...

Acid Tango is a digital product studio. We transform our clients' ideas into digital products, with a focus on digital innovation and bringing disruptive ideas to life. In every project, we search for the perfect harmony between simplicity, aesthetics, and technology. We're currently looking for a Lead software developer with solid Java expertise to join...

Acid Tango is a digital product studio. We transform our clients' ideas into digital products, with a focus on digital innovation and bringing disruptive ideas to life. In every project, we search for the perfect harmony between simplicity, aesthetics, and technology. We're currently looking for a Lead software developer with solid Java expertise to join...

Swiss Delivery Excellence: Transforming Life Science Consulting Worldwide. Fusion Consulting is a globally leading Business and IT boutique consultancy specialized in the Life Sciences industry, partnering with leading companies in pharma, healthcare, and animal health. With over 450 employees and 25 offices worldwide, our mission is to revolutionize our...