Empleos de remote java backend engineer ai-driven microservices en Barcelona

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 $150 M Series D, accelerating our vision to...

Join one of Southern Europe's fastest-growing startups Enginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. We're building the AI-native GTM platform for modern B2 B teams, combining prospecting, enrichment, intent signals, AI research and...

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...

Technology alone does not create impact-the right teams do.Founded in ****, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and Al enablement.We are a fast-growing team of 340+ engineers and consultants across Europe (UK, Spain,...

Join one of Southern Europe's fastest-growing startups. Enginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. We're building the AI-native GTM platform for modern B2B teams, combining prospecting, enrichment, intent signals, AI research and...

Dow Jones in Barcelona is seeking a Staff Software Engineer to modernize real-time news systems and content services such as Newswires, Factiva and the Wall Street Journal. You will design and deploy high‑quality, scalable backend solutions using AWS, Kubernetes, Kafka and Gen AI. You should have 7+ years of backend experience, Java in Linux, RESTful APIs,...

En Lognext llevamos más de 18 años identificando e implementando soluciones tecnológicas prácticas que nos permitan seguir avanzando y optimizar nuestras operaciones, acompañando a los equipos con talento experto de alto rendimiento y haciendo de la tecnología una fuerza transformadora en nuestro día a día. Actualmente buscamos incorporar un/a Senior...

As a Senior Backend Engineer in the Payments team at Playtomic, you will be responsible for developing robust and scalable payments solutions for our product, ensuring high performance, consistent and secure transactions. What you’ll be doing * Develop and maintain APIs and their services, enabling seamless communication between the frontend and backend,...

We are looking for a Senior Java Backend Engineer to join our growing Java Development Competence Center. Reporting directly to the Tech Lead, you will be part of an experienced international team, contributing to the design and development of high-quality software solutions for leading international client.This is an excellent opportunity for a passionate...

We are bsport. The place to be!bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success.Since we launched in 2019, we have already achieved the following:We’ve built a community of over...

Wizeline is hiring a backend software engineer to build and improve a translation platform, integrating AI/LLM translation capabilities into Dow Jones' content-processing ecosystem. You will create reliable APIs, support event-driven workflows, and collaborate with Dow Jones engineers on design, testing and deployment. You should have strong Java/Spring Boot...

Reference: 1129622Job ID: 5417508Posted: 2026-09-29Closing date: 2026-12-28Location: Barcelona - 4 remote work days per weekSalary: up to 50.000 euros gross anual (per annum)Job type: PermanentIndustry: Tecnología e Internet / TechnologyCompany: HaysConsultant: Anna GarrigaHays office: Barcelona — Hays Barcelona, Calle Valencia, 307-313, bajos 1ªPhone:...

Reference: 1129622Job ID: 5417508Posted: 2026-09-29Closing date: 2026-12-28Location: Barcelona - 4 remote work days per weekSalary: up to 50.000 euros gross anual (per annum)Job type: PermanentIndustry: Tecnología e Internet / TechnologyCompany: HaysConsultant: Anna GarrigaHays office: Barcelona — Hays Barcelona, Calle Valencia, 307-313, bajos 1ªPhone:...

Lever, Inc. is seeking a Senior AI Engineer (f/m/x) based in Europe to lead the design, development, and deployment of internal AI infrastructure. You will own backend services, APIs, and integrations that enable AI-powered workflows with strong security and governance in mind. You will work autonomously in a remote-first environment, collaborating with...

Una empresa de tecnología en Barcelona busca un Programador/a de IA Generativa para desarrollar y mantener una plataforma interna. El candidato ideal tendrá experiencia en Java backend y APIs, y habilidades en Python para integrar LLMs. Se ofrecen salario competitivo entre 35.000 y 45.000 euros brutos anuales, horario flexible, y beneficios como cheque...

Is this you? Titan Operating System S. L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you! At Titan OS, we live by three core values: Make things happen – We take ownership, move fast, and deliver impact.No ego – We collaborate with respect and humility to reach shared goals.Show genuine passion –...

Java Lead Engineer - CX (Hybrid)As you contemplate your future, you might be asking yourself, what's the next step? We're seeking an experienced Engineering Manager to join our Customer eXperience vertical in Barcelona (Hybrid) to lead a high performing team of cross-functional specialists, fully dedicated to one important mission - making travel changes and...

Java Lead Engineer - CX (Hybrid)As you contemplate your future, you might be asking yourself, what's the next step? We're seeking an experienced Engineering Manager to join our Customer eXperience vertical in Barcelona (Hybrid) to lead a high performing team of cross-functional specialists, fully dedicated to one important mission - making travel changes and...

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...

Lever, Inc. is seeking a Senior Software Developer (Node.Js/Python) based in Spain. You will design, develop, and operate scalable backend services and AI-enabled components, collaborating with AI engineers and cross-functional teams to deliver production-grade APIs.You will own technical decisions, enforce coding standards, and mentor peers while working in...