Empleos de senior java backend engineer en Barcelona

Leadtech Group builds and scales digital products used by millions of people worldwide. With over 18 years of experience, we bring together multidisciplinary teams to turn ideas into meaningful, high-impact solutions. Within the group, MAU by Leadtech focuses on subscription-based apps and digital products. It builds on the expertise, technology and product...

Wizeline in Barcelona seeks a senior software engineer to design and deliver scalable translation platforms using Java and Spring Boot. You will build RESTful APIs, microservices, and event-driven pipelines with Kafka, enabling AI-powered translation workflows across enterprise content systems. You will collaborate with AI/LLM providers, maintain production...

Quik Hire Staffing is seeking a Senior Software Engineer to design, develop, and maintain a platform serving global users. This full-time, remote role involves collaborating with cross-functional teams to deliver scalable, high-performance applications. Responsibilities include creating robust software, following best practices, and contributing to...

Ververica is looking for a highly skilled Senior QA Engineer in Barcelona to lead E2E test automation efforts. You will utilize Java-based frameworks or Cypress to ensure high software quality while collaborating with developers and product managers. The ideal candidate has solid experience in E2E testing, proficiency in Java or TypeScript, and knowledge of...

Ersilia, based in Barcelona, is seeking a Senior Full Stack Engineer to design, develop and own features across the product with a strong focus on delivery and collaboration. The role involves frontend work with React and backend work with Node.Js/Type Script, leveraging Postgre SQL and AWS. You will partner with Product and Design to translate requirements...

Dow Jones in Barcelona is seeking a Senior Machine Learning Engineer for the Search team. You will design scalable systems for highly relevant content discovery, combining backend engineering, data, and AI techniques. You will collaborate with product, data science, and engineering teams to deliver real-time personalized search, ranking, and recommendations...

Afori is building the AI layer for insurance brokers, with a hands-on, production-focused role in Barcelona. You will own backend systems and build AI agents that automate broker back-office tasks, collaborating closely with the founders and the AI/ML teams.You will work in a hybrid setup, four days in the Barcelona office and one day from home, shaping the...

Jobtailor is seeking a skilled Backend/Frontend Engineer to design, develop, and maintain scalable backend services using Node.Js and AWS. You will build cloud-native solutions with Lambda, DynamoDB, and event-driven architectures, delivering low-latency services for cross-functional teams.As part of a collaborative environment, you will participate in code...

Would you be interested in driving a strategic modernization program for next-gen Datalink observability, monitoring, and provisioning platforms, as part of a brand-new team being built from scratch in Barcelona? From Oxigent Technologies, we are looking for a Senior System Engineer to join a high-impact modernization project with a major global aviation...

3 days ago Be among the first 25 applicantsHello!Factorial is hiring aSenior Software Engineerto help us build the next generation of internal IT tools for thousands of businesses worldwide.You’ll join the newly formedIT Management domain , where we’re creating a platform to manage onboarding, permissions, support, and equipment, so new employees are...

Leadtech, a remote-first international tech group, is hiring a Senior Site Reliability Engineer to design and scale cloud infrastructure powering our mobile and web products on Google Cloud. You’ll own monitoring, CI/CD pipelines and security for production services while collaborating with mobile, web, and backend teams. Join a diverse, global team with...

Cavendish Professionals is seeking a fully-remote Senior AI Engineer to design and develop AI-powered applications. The role involves building backend services using Python and FastAPI, integrating AI workflows, and optimizing performance of AI systems.Ideal candidates will have expertise in LLMs, relational databases, and frameworks like LangChain or...

At Workfully, we’re building the first global recruitment marketplace where independent recruiters can grow, engage, and monetize their talent networks — connecting them to meaningful opportunities at innovative companies worldwide. Our technology is designed to make recruiting more transparent, fair, and scalable. We’re a profitable early-stage...

Upsun is seeking a Senior Software Engineer to design and build the backend services behind our billing stack, including invoices, taxes, usage reporting, and external integrations. You will own complex components end to end, driving reliability and security while collaborating with Finance, Product, and Support.This hands-on role requires Go expertise,...

Grafana Labs is hiring a Senior Software (Database) Engineer to help build the underlying storage system for a general purpose data platform. You will work on a SaaS-ready database layer with OLAP/OTLP capabilities, designed to run across cloud providers, with high autonomy and cross-functional collaboration.The role emphasizes pragmatic architecture...

Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement. We are 340+ engineers across Europe (UK, Spain, Portugal), the Americas, and the Middle East, delivering technology-driven outcomes with senior expertise and close...

MaxIT Consulting – Max Corporate Group is seeking a Senior Backend Engineer, Payments and Ledger to join a fast-growing fintech building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming.This role centers on designing and operating backend systems that move money, with emphasis on data integrity, reliability,...

Job Description About the Team Our Technology team drives the evolution of our Engineering, Data, Product and User Experience functions. Within this group, the GenAI Experiences team builds generative AI products that define the future of news and business intelligence for millions of users across the Wall Street Journal and Dow Jones brands. Through our...

Media Markt Saturn Technology is seeking a Senior Frontend Software Engineer to design, develop, and maintain scalable web applications using React and Type Script. You will build reusable UI components, optimize performance, and collaborate with product, design, and backend teams across multiple workstreams. You will work in a hybrid setup from our...

Job Description:Junior Java Software Engineer Community (Spain) Barcelona, SpainWe Dream. We Do. We Deliver.About MerkleMerkle, a dentsu company, powers the experience economy. For more than 35 years, we have put people at the heart of its approach to digital business transformation. As the only integrated experience consultancy in the world with a...