Empleos de programista back-end - backend developer en Barcelona

Role Description This full-time Vibe Engineer — Full-Stack / Backend Developer role at IAG Services is based in Barcelona in a hybrid setup, combining on-site collaboration with flexible work-from-home days. The role focuses on designing, building, and maintaining scalable backend services and full-stack features that support internal tools, client-facing...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

As a Frontend Developer, you will craft user-facing features for the Vulnerability Management Platform using React. You will build and maintain a reusable component library and own frontend test automation to ensure quality. You will partner with backend and product teams to translate designs into accessible interfaces and contribute to frontend architecture...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

Location: Madrid, SpainJob ID: R0117892Date Posted:2026-09-16Company Name: HITACHI ENERGY SPAIN, S.A.U.Profession (Job Category):Data Analytics/Business IntelligenceJob Schedule: Full timeRemote: NoJob Description: The OpportunityWe are seeking a skilled .NET Backend Developer to join our team at HITACHI ENERGY SPAIN, S.A.U. You will be responsible for...

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...

Cala is looking for a Backend Engineer with 4+ years of experience to build the systems behind AI-driven information verification at scaleThe team behind Vilynx, a Barcelona AI startup that Apple acquired, founded Cala. They’re building a verified knowledge graph for AI agents, and they’re looking for someone who is strong in backend work (Python, APIs,...

About the companyBiorce is a pioneering Healthtech company dedicated to revolutionizing drug development through the power of AI. We are passionate about accelerating medical advancements and improving patient outcomes.Our team comprises seasoned clinical research professionals, data scientists, and AI experts, working collaboratively to bridge the gap...

I'm working with a well-funded startup who are hunting for a React Developer to join their team near Liverpool Street. They're at an exciting time right now as they're popular in the UK market but would eventually like to be a global brand. To do this they'll be adding new features and ensuring their existing code is robust and scalable. They have an...

Who we are A young technology company head-quartered in Singapore with an office in Barcelona and Dubai. We are driven by a passion for building innovative, customer-inspired products and look forward to growing the team with like minded individuals. Responsibilities As an Android Developer at Touché, you’ll collaborate with the development of a wide...

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...

Senior Backend Developer Java | Producto, CI/CD y ObservabilidadEn BCNC Group buscamos un/a Senior Backend Developer Java con al menos 4-5 años de experiencia para participar desde el inicio en una nueva plataforma tecnológica global orientada a optimizar procesos de logística y distribución.Formarás parte de un equipo ágil y multidisciplinar, con...

Overview As Java backend developer on the Catalog Games team, you build and improve game-oriented backend systems and services. You own features end-to-end, from design to production support, balancing speed with quality. You work with cross-functional teams to deliver reliable, scalable platforms that enhance player experiences. This role sits at the center...

Are you our next Fullstack Developer?Role: Fullstack Developer (Mid / Senior)Location: Hybrid (Remote / Turin, Italy)The Mission: A Digital World Without BarriersAt Accessiway, we aren’t just a SaaS company; we are a scale-up growing at supersonic speed with one ambitious goal: to make technology accessible to everyone, no ifs or buts. We believe that...

We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact. We've just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a...

ð At K-LAGAN, we’re looking for talented people to keep growing with us!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,...

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...

One of the companies we work with at Joppy is looking for a Backend Engineer to join the team. Work modality: HYBRID in Barcelona (3 days/week at office). We're looking for an experienced backend engineer with depth. You'll come from a Backend Engineering background - Python, APIs, distributed systems - but what matters most is your motivation to build...

Location:Madrid, SpainJob ID: R0117892Date Posted:2026-09-16Company Name:HITACHI ENERGY SPAIN, S.A.U.Profession (Job Category):Data Analytics/Business IntelligenceJob Schedule: Full timeRemote:NoJob Description:The OpportunityWe are seeking a skilled .NET Backend Developer to join our team at HITACHI ENERGY SPAIN, S.A.U. You will be responsible for...

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we've built the world's largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by...