Empleos de senior java software engineer en Barcelona

Senior Product Engineer: Full-stack with 80% Backend About Longtail Longtail is building an intelligent decision-streaming platform that helps airlines make smarter, faster commercial decisions in real time. Combining automation, proprietary algorithms, AI, and live data, our technology helps airlines optimize pricing, availability, and product flexibility...

Our partner is a fast-growing HealthTech company developing connected technologies at the intersection of hardware, embedded systems, IoT, AI and digital health. Their technology transforms everyday environments into intelligent health platforms, enabling seamless and continuous health monitoring. We are currently looking for a Senior Software Engineer...

Responsibilities Collaborate with data scientists and engineers to orchestrate LLMs and tools into complex AI workflows. Implement optimized vector storage and indexing systems for NLP. Develop tools and frameworks for prompt management, automated evaluations, and observability. Monitor and improve agentic systems performance for accuracy and...

Amaris Consulting in Barcelona is seeking a Software Packaging Engineer to own end-to-end packaging and delivery for IT projects. You will work in an international team, coordinating with IT and business stakeholders and ensuring packaging quality and compliance with standards.The role demands strong scripting, packaging tools, and deployment platform...

The Role Based in our Barcelona office, you’ll join one of several high‑impact product teams across Proton Pass, Payments, and Proton VPN, helping build privacy‑first products used by millions around the world. From secure password management and identity protection to encrypted financial tools and internet freedom products that help users bypass...

CMV Consultores está buscando un/a Backend Developer para unirse a un proyecto innovador en Barcelona. Este puesto implica el desarrollo y diseño de soluciones técnicas con un fuerte enfoque en Java y arquitecturas de microservicios.Los candidatos ideales tendrán más de 6 años de experiencia en desarrollo de software, dominio de herramientas como Jira...

We simplify wealth creation. Founded in 2014 in Vienna, Austria by Eric Demuth, Paul Klanschek and Christian Trummer, we’re here to help people trust themselves enough to build their financial freedom — for now and the future. Our user-friendly, trade‑everything platform empowers both first‑time investors and seasoned experts to invest in the...

Nuvolar Works ищет квалифицированного Java backend разработчика для проектирования, разработки и поддержки backend-сервисов и API. Ваша работа будет включать анализ текущих приложений, участие в архитектурных...

¿Eres un Senior Full Stack Developer listo para liderar el desarrollo AI-Native?¿Está considerando presentar su candidatura para este trabajo? Compruebe todos los detalles en esta descripción del puesto y luego haga clic en "Solicitar". En nuestro departamento de Ventas & Marketing estamos buscando un/a Senior Full Stack Developer / AI-Native Software...

Vonage is looking for a Software Engineer in Barcelona to innovate cloud communications. You will join our Cloud Engineering team, working on backend systems and scalable architecture for the Vonage Video Platform.This role requires strong Java 17 and/or C++ skills, with responsibilities including software design and development of cloud-based services. Join...

Responsibilities - Design, develop, and maintain scalable backend services using Node.js. - Build and optimize cloud-native applications on AWS. - Develop and maintain event-driven and messaging-based architectures using SQS and SNS. - Design and manage serverless solutions with AWS Lambda. - Work with DynamoDB to build high-performance, scalable data...

About WorkatoWorkato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato’s cloud-native architecture connects every application, data source, and process to...

A leading software company in Barcelona is looking for a Senior Software Engineer to contribute to the development of internal IT tools. This position requires strong expertise in Ruby on Rails for backend and solid skills in React, JavaScript, or TypeScript for frontend development. Candidates should possess a user-centric mindset and a willingness to...

Clarivate in Barcelona is seeking a Senior Software Engineer for the IPfolio Software Engineering team to develop secure, scalable enterprise software on the Salesforce platform. You will work hands-on across the full software delivery lifecycle and contribute to architecture and clean-code practices.The role emphasizes collaboration within cross-functional...

OOP, SOLID principles Join us at Wolters Kluwer and be part of a dynamic global technology company that makes a difference every day. We’re innovators with impact. We provide expert software and information solutions that the world’s leading professionals rely on, in the moments that matter most. We are currently looking for a Senior Product Software...

Mitiga Solutions in Barcelona is seeking a Senior Software Developer who thrives in a collaborative, fast-paced environment. You will lead hands-on development across Python, C/C++, and JavaScript, shaping scalable solutions for complex models and SaaS systems.Collaborating with the Product Owner and CTO, you’ll design, implement, and test software, drive...

Alpega is the trusted execution platform shippers and carriers across Europerelyon to plan, procure, and execute road freight - every day, at the speed the industry demands. We are 450+ people across European offices, working in product, engineering, commercial, and the teams that keep partners connected. In 2026, Alpega was named a Challenger in the Gartner...

A leading travel subscription platform in Barcelona is seeking a Mid-Senior Java Senior Software Engineer to enhance their technology team. The role involves utilizing innovative tools, improving software quality, and collaborating in a hybrid environment. Ideal candidates should have a strong grasp of Java and enjoy mentoring across diverse teams. Join to...

About this job opportunityOur VisionTo be the world's most trusted global payroll partner, simplifying pay for all employees.Our MissionEmpowering global workforces with seamless, compliant, and innovative payroll and payment solutions, enabling businesses to thrive in a connected world.Our PeopleOur fundamental beliefs at CloudPay are built on core values...

Senior Java Engineer (Java 17/21) | Remote/HybridLocation: SpainContract Type: 1 year + ExtensionHourly Rate: €30Asegúrese de leer la descripción completa a continuación y, si confía en que cumple todos los requisitos, envíe su solicitud de inmediato.We are looking for an experienced Senior Java Engineer to join a talented engineering team building...