Empleos de backend developer python en Barcelona

About the companyShalion is a data and insights-driven company that serves world-class manufacturers and brands globally. Through our Digital Shelf Optimization, Retail Media, and Food Service Aggregators solutions, we provide innovative tools for e-commerce monitoring.At Shalion, we empower brands to make smarter business decisions in eCommerce by...

Buscamos incorporar un/a Senior Backend Developer Java con sólida experiencia en arquitecturas de microservicios para participar en un proyecto tecnológico dentro del sector seguros. Trabajarás principalmente con Java y Spring Boot en un entorno basado en microservicios, eventos y tecnologías como Kafka y MongoDB. La posición tiene un modelo híbrido...

Fliff unpacks sports gaming into social, free‑to‑play games for all types of sports fans. We've built a social sports gaming experience that allows users to compete for leaderboard positioning, to achieve badges and build their status within the game. We are pioneering play‑for‑fun sports gaming, with our flagship social sportsbook experience that...

Fliff unpacks sports gaming into social, free‑to‑play games for all types of sports fans. We've built a social sports gaming experience that allows users to compete for leaderboard positioning, to achieve badges and build their status within the game. We are pioneering play‑for‑fun sports gaming, with our flagship social sportsbook experience that...

Buscamos un/a Data Analyst MID-SENIOR para incorporarse a un equipo internacional de tecnología y datos en Barcelona (modelo híbrido, 2 días/semana en oficina). Formarás parte de un equipo internacional distribuido entre UK, Alemania y Barcelona, responsable de construir y mantener la plataforma de datos y analytics que impulsa decisiones críticas en la...

King, a leading interactive entertainment company, seeks a mid-level Java backend developer for Catalog Games in Barcelona to build features, services, tools, and systems powering our games. You'll design, implement, test, deploy and monitor backend components, balancing speed with reliability in large-scale real-time systems.You'll own complete features,...

Senior Full Stack Developer Barcelona 3–6 Month Engagement I’m currently working with a high-growth AI-focused technology team looking for a Senior Full Stack Developer to join them on an initial 3–6 month engagement . This is a great opportunity for someone who wants to get involved in a technically interesting environment, working...

About Air Apps At Air Apps, we believe in thinking bigger - and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal, in 2018 - and now with...

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...

At IT Labs, we work with premier global consulting organizations to help Tier 1 banks and insurance companies transform operations through AI, automation, and advanced analytics, with a special focus on Anti-Financial Crime. Our client's expertise includes AI-driven fraud prevention, Anti-Money Laundering (AML), and Know Your Customer (KYC)...

Backend Expert: Own and evolve backend services using C# and .NET Core (.NET 6/8+).Data Architecture: Design and optimize schemas in PostgreSQL, including experience or strong interest in Time Series Data (e.g., TimescaleDB).Asynchronous Messaging: Implement and maintain decoupled systems using Message Brokers (generic concepts of queues, topics, and...

Our goal is to strengthen the brand in Spain. We are looking for an expert to work as Full Stack Developer (.NET + Angular)! What do you need to fulfill this job? - Develop frontend applications using Angular and TypeScript. - Build secure backend APIs using ASP.NET Core. - Design SQL databases and optimize performance. - Deploy and manage applications on...

JOIN OLX GENERATIVE AI INNOVATION ENGINEERING TEAM Note: This role is based in Spain. We are looking for a mid-level Backend Engineer to join our Generative AI Innovation team and help drive AI innovation at OLX. Our team is at the forefront of GenAI-powered solutions, developing cutting-edge services to enhance user experiences, optimize internal...

The Role We are looking for a Mobile Developer specialized in iOS to join our team that will work on a day-to-day basis with our design and backend team to build scalable and solid products. We aim you to be curious and care about the little details that make apps delightful. Responsabilites Strong experience working with Swift.Experience working with...

At Holded, we believe that daily admin should never stop a great idea from becoming a success. That's why we create intuitive software to empower anyone who dares to start their own business. Long story short: we want to make business simple. In order to create cutting-edge products that meet the needs of the sector, talent is essential. We are looking for...

Backend Expert: Own and evolve backend services using C# and .NET Core (.NET 6/8+).Data Architecture: Design and optimize schemas in PostgreSQL, including experience or strong interest in Time Series Data (e.g., TimescaleDB).Asynchronous Messaging: Implement and maintain decoupled systems using Message Brokers (generic concepts of queues, topics, and...

Descripción del trabajoÚnete a nosotros y forma parte del futuro de BCNC Group!Somos una empresa de ingeniería y tecnología con operaciones en España, Reino Unido, Alemania, Francia y Suecia. Trabajamos con las multinacionales más prestigiosas de Europa ayudándoles a implementar sus proyectos estratégicos. #WeHaveOurOwnCode.En BCNC Group, estamos en...

Frontend Developer Buscamos unx Frontend Developer que quiera ayudarnos a construir la siguiente generación de productos digitales de Tattoox, la empresa líder en formación para tatuadores de habla hispana y una de las compañías que está redefiniendo la industria del tatuaje a nivel global. En los últimos años hemos formado a miles de alumnos,...

Tech Lead – Backend | Spain (Remote) | Golang, AWS, Kafka | Up to €95K The company is scaling rapidly and already seeing strong traction with enterprise customers. They are looking for a Tech Lead to take technical ownership of the backend systems powering an AI-driven automation platform. Own technical direction and architecture across key...

We serve a diverse array of local and international brands both online and in-store, spanning various sectors. We have developed services that focus on revenue optimisation, performance enhancement, fraud prevention, and seamless payment orchestration. Furthermore, our solutions are designed with accessibility in mind, offering features that cater to the...