Empleos de remote senior java backend engineer en valencia

About the Role We're looking for a Senior Backend Developer who thrives in a deeply hand-on environment and enjoys being close to the code on a daily basis. This role is heavily focused on building, optimising, and scaling backend services in a high-load system where performance and reliability are critical. You'll be working on complex, real-time challenges...

W Hunt España busca un Senior Full-Stack Developer con fuerte foco en Backend (Java y Spring Boot) y experiencia en React.js para desarrollar soluciones end-to-end en entornos con arquitecturas basadas en eventos. La posición ofrece 100% remoto y opciones de flexibilidad, además de oportunidades de formación, certificaciones y clases de inglés....

Grupo Digital busca un ingeniero/a senior Full Stack con base sólida en Java/Spring Boot para desarrollar aplicaciones empresariales modernas y acelerar el SDLC con IA. Trabajarás con microservicios, REST APIs y pipelines CI/CD, integrando IA en generación de código, testing y documentación. Serás parte de un equipo que diseña, desarrolla y mantiene...

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we're shaping the next 25 years of technology and helping to reclaim...

Elastic is seeking a Senior Java Developer to join the Elasticsearch team and drive work on the Inference API, including integration with external ML providers and self-hosted models. You will maintain the plugin framework and REST API, collaborating across teams to design scalable, reliable systems in a distributed environment. The role emphasizes code...

En IRIUM buscamos un/a Desarrollador/a iOS / Analista iOS para incorporarse a un proyecto de larga duración en proyecto del sector energético.Buscamos una persona con capacidad para participar en el análisis funcional de requisitos, definir soluciones técnicas y liderar técnicamente el desarrollo del producto, manteniendo una comunicación fluida con...

Our partner is looking for a Senior+ Full-Stack Engineer based in Spain. As a Senior+ Full-Stack Engineer, you will build and evolve a developer infrastructure platform that enables AI applications and agents to connect seamlessly with external APIs and services. You will take ownership of product features from initial customer discovery and technical...

Elastic, the Search AI Company, seeks a Senior Software Engineer to join the Elasticsearch team and help make core infrastructure easy to use, fast, and secure. You will design and implement scalable APIs, tackle performance and concurrency challenges, and collaborate across teams to deliver serverless, cloud, and on‑premise solutions for Elasticsearch...

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...

Make an impact with NTT DATAJoin a company that is pushing the boundaries of what is possible.We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society.Our workplace embraces diversity and inclusion - it's a place where you can grow, belong and thrive.Your day at NTT DATAThe Networking Remote...

Jobgether, on behalf of a partner company, is seeking a Senior ML Engineer - Malware Detection to work remotely from Spain.You will develop and deploy ML solutions to detect web-based malware across Linux hosting environments, handling real malware datasets and transformers, with GPU resources and AI-assisted tools.You will own the ML lifecycle from data to...

Miratech is hiring a Senior Java Developer to join a European client project in the tax administration domain. You will contribute to development and maintenance of customized software solutions, focusing on secure, scalable platforms, and tax processing life-cycle integration with multiple external systems. Responsibilities include implementing...

Kirey España busca un Azure Cloud Engineer para liderar despliegues de infraestructura en Azure y proyectos de IA en un entorno 100% remoto desde España. Se valorará experiencia en IaC con Terraform y conocimientos de IA en Azure; además, se requiere gestión de proyectos end-to-end y fluidez en español e inglés. El puesto ofrece contrato indefinido,...

Swissblock Technologies AG is seeking a Senior Platform Engineer to design, deploy, and operate a scalable, secure algorithmic trading platform on Google Cloud Platform. You will partner with quant engineers, data scientists, and researchers to implement architecture, automation, and cost optimization in a remote-first, Europe-focused setup with onsite...

FYUL is seeking a Senior iOS Developer to join the team powering Printful, Printify, and Snow Commerce apps. You’ll design, build, and own features in SwiftUI, drive architecture decisions, mentor peers, and collaborate with design and backend teams to deliver high-quality, crash-free experiences across iOS platforms. You’ll stay current with Apple...

About the Team Hopper's Fintech Foundation team sits at the centre of the company's mission: reshaping how more than 100 million monthly active users experience travel. It owns the pricing engine that balances customer demand against financial risk across dozens of partners — including Capital One, Air Canada, and Spirit Airlines. As a Software Engineer...

Harrington Starr is seeking a Senior AWS Infrastructure Engineer to own and optimise a latency-sensitive cloud platform for a fast-growing quantitative trading firm. This fully remote B2B contract role focuses on high-performance compute workloads and aggressive cost optimisation. The successful candidate will drive architecture decisions, reduce...

Zartis is seeking a Full Stack Engineer with a strong backend focus to join our distributed team. You will design and implement production-grade services in Java Spring Boot, with an emphasis on scalable APIs, data modeling, and robust cloud infrastructure.You will collaborate across product and engineering, practice DevOps, and contribute to an...

Wayvant busca un Senior .NET Backend Developer para construir APIs y servicios cloud-native de alto rendimiento sobre .NET 8+. Trabajarás en un entorno 100% remoto, aplicando buenas prácticas, Clean Architecture, DDD y pruebas rigurosas.Diseñarás microservicios y APIs RESTful/gRPC, desplegarás en Docker/Kubernetes sobre GCP y/o otros entornos Cloud, y...

A tech company specializing in integration platforms in Madrid is seeking an experienced Software Developer. The ideal candidate will have over 6 years in software development, including more than 3 years focusing on Scala and XP methodologies. Responsibilities include team mentoring and solving complex technical challenges in a collaborative environment....