Empleos de java backend developer barcelona en Barcelona

The Mill Adventure Limited is seeking a Senior Backend Developer to join our Barcelona-based engineering team. You’ll work on a modern, serverless, event-driven gaming platform with autonomous teams and flexible work models. You’ll contribute to features, integrations, payments, and market preparations, while emphasizing data accuracy, compliance, and...

Oxigent Technologies busca un Senior Automation QA para unirse a un equipo en Barcelona. El rol implica impulsar la calidad a lo largo del ciclo de desarrollo, con enfoque en automatización, validación de backend y estrategias de QA para garantizar la fiabilidad de las releases.Se prioriza experiencia en QA Automation, Java, REST APIs y microservicios, con...

Shipco IT in Barcelona is seeking a Senior Application Developer to design, build, and maintain high-performance Python microservices. You’ll connect Fast API backend with Angular frontends and collaborate across global teams. Ideal candidates have 5+ years Python experience, strong My SQL/SQLAlchemy, Docker, AWS ECS/ECR, and CI/CD with Git Hub Actions....

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...

Wizeline in Barcelona seeks an experienced software engineer to design and build scalable translation platforms using Java, Spring Boot, and REST APIs. You will integrate AI-powered translation features, develop backend services, and implement event-driven architectures with Kafka. You will work with cross-functional teams to deliver reliable, multilingual...

Schwarz Digits is seeking a Full Stack GO Developer to join a cross-functional agile team in Barcelona. You will own parts of the product lifecycle, define new architecture, and migrate existing software to a modern version, collaborating closely with QAs, designers, and product owners. You should have 5+ years in GO and Java Script, 3+ years TS, 2+ years...

¡Buscamos Back AI Engineer! | Híbrido Barcelona En INNO-IT buscamos actualmente un/a Backend AI Developer para incorporarse a un proyecto innovador en Barcelona, centrado en el desarrollo y la integración de soluciones avanzadas de inteligencia artificial. Buscamos profesionales con: Experiencia sénior en desarrollo backend y capacidad para asumir tareas...

ISANDO TECHNOLOGIES in Barcelona, Spain, is seeking a senior software developer to join our software development team. You will work on full‑stack solutions using Java or Node.Js, RESTful services, and cloud platforms, delivering impact to users.The role emphasizes microservices, API design, Agile Scrum, and collaboration with solution architects....

A digital solutions company in Barcelona is seeking an experienced Full-Stack Developer to join their dynamic team. The role involves developing innovative web applications using Angular and Java Spring Boot, with an emphasis on API development and high-quality maintenance. Ideal candidates will have over 4 years of experience in full-stack web development...

¿Fullstack, Platform Engineering, Cloud y Developer Experience en una misma posición? Desde Q-tech estamos colaborando con una gran compañía tecnológica internacional para incorporar un/a Platform Fullstack Engineer a su hub tecnológico de Barcelona. Pero ojo: no buscamos simplemente a alguien que haga frontend + backend. Buscamos un perfil con...

Leadtech Group is seeking a talented Full-Stack Developer to help build and scale AI-driven platforms. You will work across our technology stack to deliver seamless user experiences, joining projects with a shipping-fast approach and modern tools. The role involves developing frontend and backend features, integrating external services, and collaborating...

A leading digital innovation company in Barcelona is seeking a Full-Stack Developer to join their dynamic team. You will be responsible for developing web application frontends and backends, working closely with diverse teams to deliver innovative digital solutions. The ideal candidate has at least 4 years of experience, expertise in Angular and Java Spring...

MaxIT Consulting – Max Corporate Group in Barcelona, Spain, seeks a Senior AI-First Full-Stack Engineer to own the full product stack, from frontend to deployment, with AI-assisted development as part of the workflow. You will join a small, founder-led team and influence product and engineering decisions.You will design and deploy production web apps using...

Leadtech Group is seeking a talented Full-Stack Developer to help build and scale AI-driven platforms. You will work across our technology stack to deliver seamless user experiences, joining projects with a shipping-fast approach and modern tools. The role involves developing frontend and backend features, integrating external services, and collaborating...

Shipco IT in Barcelona is seeking a Senior Application Developer to design, build, and maintain high-performance Python microservices. You’ll connect FastAPI backend with Angular frontends and collaborate across global teams. Ideal candidates have 5+ years Python experience, strong MySQL/SQLAlchemy, Docker, AWS ECS/ECR, and CI/CD with GitHub Actions....

Planner 5 D in Barcelona is looking for a Lead Android Developer to take charge of new features in our application. The role focuses on enhancing the product through innovative coding, handling complex systems like graphic engines and AI. Candidates should have 7+ years of Android development experience, with extensive skills in Kotlin and Java. We offer a...

Optiwisers in Barcelona, Spain, is seeking a Senior Full Stack Developer to join an AI-driven product team. You will work across frontend and backend using Next.Js, React, Python and Fast API, building scalable web applications in a Scrum environment. You’ll implement responsive UIs with Tailwind CSS, integrate APIs, write tests with pytest and Playwright,...

THEWHITEAM Consulting is seeking a Senior Fullstack Developer to join a dynamic technology team in Barcelona. You will build robust web apps with Next.Js, React, and Tailwind on the frontend, and Python with Fast API on the backend, while contributing to cloud-based solutions using AWS in a Scrum environment. You will mentor junior developers, collaborate...

We are looking for a Lead Software Engineer – AI Product Development (Data) to join our AI Engineering team in Barcelona. This is an exciting opportunity to work on cutting-edge AI-powered software, building reliable, scalable solutions that leverage Python, cloud technologies (Azure/AWS), microservices, and LLM-based will be joining a small, highly...

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...