Empleos de senior full-stack java engineer en Valencia

SimpleStudy is a consumer AI platform for students. We help them stay motivated to study Biology, Mathematics, Literature, and Art. Our small team has already helped +1.5 M students worldwide and adds 40–50k new students weekly. We are a remote team with a Lisbon office and have raised ~$4M in seed funding from notable investors. We seek a senior...

Odixcity Consulting is seeking a Full Stack Engineer Annotator to assess frontend and backend datasets, ensuring AI models interpret full-stack workflows accurately. You will work with modern web tech and contribute to dataset labeling and evaluation. Candidates should have 3–5 years of experience as a Full Stack Developer, solid React/Angular/Vue skills,...

Alan is seeking a Software Engineer to join our team in Spain. You will build and evolve our employee affiliation engine, simplify payroll and billing tools for HR teams, and create seamless integrations with Payfit and Workday. You’ll automate workflows at scale and collaborate across product, design, and operations to deliver a unified experience. We...

Treatwell, Europe’s leading bookings platform, is seeking a full-stack engineer to join our Product Engineering team. You’ll focus 60% on frontend and 40% on backend across 13 markets, building SEO foundations, site performance, experimentation, analytics instrumentation, and growth-oriented product surfaces. You’ll partner with marketing and growth...

Explore Group is seeking a Full Stack Product Engineer to ideate, architect, and scale our enterprise AI platform for technical commercial teams in manufacturing. You will own both frontend and backend work, shaping product strategy, backend architecture, cloud infrastructure, and UI design to deliver customer value. We value practical builders with startup...

UST is seeking a Java Developer to join a highly innovative team working within a microservice-based cloud environment in the utility technology sector. You will play a key role in designing, developing, and supporting secure, scalable, and maintainable Java services, APIs, and integrations that connect critical business systems and internal tools. You will...

Sinch, a Customer Communication Cloud company, is hiring a Senior Java Software Engineer for the Agentic Orchestration Platform. You will design and own core components coordinating AI agents and multi-channel communication at scale. You will work with a small senior team, have autonomy, and tackle non-deterministic testing, latency, and cost challenges...

About the role We’re building a robust, internet-facing API that runs both in on-premises and in the cloud, designed to support future innovation at scale. This means solving complex distributed systems challenges, ensuring high availability, and optimizing performance. Concepts like the CAP theorem aren’t just theory here—they’re part of our daily...

eXperience IT Solutions, grupo tecnológico con más de 25 años, busca Full Stack Developers para trabajar en soluciones en la nube y datos. Desarrollo frontend y backend con un stack moderno (React, TypeScript, Next.js, Python, FastAPI) y APIs sobre GCP. Modalidad híbrida: 2 días en Almussafes y 3 días teletrabajo. Se valorará experiencia en Data Mesh,...

Initium Software busca un Backend Developer Java para acelerar la evolución de arquitecturas críticas. Diseñarás, desarrollarás y mantendrás microservicios con Java 8/11 y Spring, asegurando integraciones con sistemas legacy y APIs modernas. Trabajarás en un entorno 100% remoto desde España, con enfoque en calidad de código, pruebas y entrega...

Senior Backend Engineer (Java & APIs REST) Buscamos un perfil senior especializado en desarrollo backend con Java y Spring Boot, enfocado en el diseño e implementación de APIs REST y en la integración con sistemas legacy (DB2). Principales responsabilidades * Desarrollar servicios backend robustos utilizando Java y Spring Boot. * Diseñar, definir y...

Elastic, the Search AI Company, is seeking a Senior Software Engineer for the Elasticsearch - Distributed Systems team. You will tackle deep distributed systems challenges in how nodes communicate, data indexing, allocation and management across nodes, with a focus on the Serverless offering. You will own projects end-to-end, collaborate across teams, and...

Overview At Q-tech, we’re looking for a Senior Java Engineer to join a global SaaS product that’s scaling fast and moving into a more mature, reliability‑focused phase. The platform handles a high volume of data and workflows used by customers across multiple countries. The team is strengthening its foundations to ensure stability, consistency and...

Parser Limited, a boutique technology services firm, is seeking a Senior Backend Engineer to join our European team. You will design and scale JVM-based services with a focus on reliability, performance and testability. Work with a modern stack including Java 8+, Vert.x, Kafka, Groovy, Couchbase and Azure, in an Agile environment. You will translate...

Nuvolar Works is expanding its backend capabilities with a Senior Java Developer focused on unifying enterprise data platforms. You will design, build and evolve backend services supporting data exchange across teams in a global healthcare-oriented initiative. Work in a high-autonomy environment, drive technical solutions, and collaborate with engineering,...

Senior Full Stack Developer (PHP/Symfony & Vue.js) ¿Te apasiona el desarrollo de software y te motivan los retos técnicos relacionados con la modernización de arquitecturas, la optimización del rendimiento y los entornos cloud-native? En Capitole buscamos un/a Senior Full Stack Developer con sólida experiencia en PHP, Symfony y Vue.js para incorporarse...

ALZURA Pay, part of the ALZURA Group, is seeking a Senior Java Developer (m/f/d) to build innovative payment solutions across Europe. You will join an early-stage, agile team and shape the engineering organization and the future of our payment platform. Daily work includes Java backend development with Spring Boot and Hibernate, Docker and AWS, REST APIs,...

UST Spain & Latam is seeking a Senior Java Engineer to contribute to a project with a global customer in the financial services sector. You will design, build and maintain scalable software within a DevOps model, owning the delivery and operation of features. The role requires strong Java skills, API development expertise, experience with REST and...

We are seeking a Data Engineer to support the implementation of a new CRM platform by designing, building, and maintaining scalable data pipelines and integrations. The role will play a key part in enabling customer insights, opportunity matching, reporting, analytics, and operational processes while ensuring data quality, governance, and scalability. Key...

We are hiring for one of our clients, seeking a DevOps Engineer to work on a Full-Time basis. The role involves designing, implementing, and maintaining CI/CD pipelines to support software development processes. Key Responsibilities: * Design, implement, and maintain CI/CD pipelines using tools such as Jenkins, GitLab CI, or similar. * Automate...