Empleos de senior java software engineer fully remote en Zaragoza

Initium Software SL busca un Senior Backend Engineer para diseñar y escalar arquitecturas basadas en microservicios con Java y principios de arquitectura hexagonal. Se trabajará con mensajería distribuida (Kafka/RabbitMQ) y Docker en entornos cloud, priorizando rendimiento, fiabilidad y observabilidad.Se valorará dominio de AWS/Azure/GCP, bases de datos...

Zemsania busca Desarrollador/a Senior Java con dominio avanzado del inglés para unirse a su equipo dinámico y en crecimiento. Trabajarás en backend Java con APIs REST y participarás en una arquitectura orientada a eventos a gran escala.Requisitos: +4 años de experiencia y nivel B2+/C1 en inglés. Modalidad 100% remota dentro de España; desarrollo...

Parser Limited is seeking a Staff Backend Engineer (Java) to lead the design and delivery of high-scale microservices and messaging systems. You will influence architectural decisions, set technical standards, and drive performance improvements while collaborating with global engineering teams.You will work with modern AI-assisted tooling to enhance...

Seeking a Senior Software Engineer to build security and privacy features for Wikipedia and other Wikimedia projects, focusing on a hands-on role in a distributed team.

Mercor is recruiting expert US/Europe-based senior SWEs for a highly challenging project with a leading foundational model AI lab.You are a good fit if you:Have 10+ years of experience working at top US tech firmsAre passionate about improving model capabilities at complex SWE tasksAbout the roleYou must be able to commit around 20 hours per week for this...

Alvatross busca un/a Desarrollador/a backend Senior con Java y Spring Boot para trabajar en proyectos OSS en el sector de telecomunicaciones. Participarás en arquitecturas de microservicios y en iniciativas internacionales, con acceso a formación y herramientas modernas.Trabajarás 100% remoto desde España, con horario flexible (entrada entre 8:00 y 9:00)...

Job DescriptionAt THEWHITEAM Consulting, we are looking for an experiencedSenior Backend Engineerto join a technology project focused on modern backend development and distributed architectures.The ideal candidate will have extensive hands-on experience withJava, strong knowledge ofmicroservices and Hexagonal Architecture, and practical experience with...

THEWHITEAM Consulting is seeking a Senior Backend Engineer to drive backend development across a modern stack. You will design scalable services in Java, build microservice architectures, and apply Hexagonal Architecture with Ports & Adapters.Expect hands-on work with Kafka/RabbitMQ, Docker, Grafana, and cloud or containerized environments, while advancing...

Parser is seeking a Staff Backend Engineer (Java) to join a strategic area of our systems. You will drive architecture, champion engineering standards, and deliver high-scale services with asynchronous messaging and low latency. You'll work within lean teams and harness AI tools to enhance productivity and quality.You will shape decisions end-to-end, own...

United States Digital Space LLC is seeking a senior Cloud Infrastructure Software Engineer to design, deploy, and optimize a scalable, multi-cloud data plane.You will own distributed systems, automate cloud resource management, and lead high-impact projects with global teams.We expect 5+ years in building fault-tolerant infrastructure, strong Go/C/C++/Java...

Salve.Lab is seeking a Senior AWS Platform Engineer to design and evolve production cloud platforms for scale.You'll own AWS architecture, Kubernetes/EKS, IaC, and platform tooling, enabling engineering teams to deploy apps without deep infrastructure expertise.Work is fully remote with international collaboration.You'll build reusable components, automate...

Jobgether is seeking a Senior Software Engineer – Data Search based in Spain/Europe to build and improve a large-scale creator search system. You will work across the full search stack, including embeddings, ranking, and low-latency serving, handling hundreds of millions of profiles and media files.You will own features from discovery through production,...

Fever seeks a Senior Software Engineer to join the engineering team. You will own the backend design and delivery for scalable services, focusing on Python code quality, robust testing, and deployability.The role emphasizes high concurrency, RESTful APIs, and event streaming, with CI/CD pipelines guiding production readiness. You will work remotely from...

Wizeline in Barcelona is seeking a senior full?stack software engineer to design and build scalable web apps using React/Next.Js on the frontend and Node.Js/GraphQL on the backend.You will work with diverse teams to select optimal stacks and deliver clean, well?documented code.The role emphasizes architecture, cross?stack expertise, and clear English...

Direct message the job poster from TreatwellSenior Backend Software EngineerIn this role, you will make a meaningful contribution in ensuring we continue to move in the right direction. You will be working on a variety of exciting technologies. Our tech stack is: Java with Spring Boot, Hibernate, PostgreSQL, MSSQL, Git, GitLab, GitLab CI, Docker, Kubernetes,...

Company DescriptionAbout MirantisMirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers...

Talan Spain is seeking a passionate software engineer to strengthen our data and quant capabilities.You will improve batch performance, integrate quant libraries, and help maintain a high-quality CI/CD pipeline in a remote, international project environment.You will collaborate with Quants, Data and the IMM team to deliver scalable, error-free solutions...

Who We Are:Who We Are:Alpaca is a US-headquartered, global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more.Amongst our subsidiaries, Alpaca is a licensed financial services company, serving hundreds of financial institutions across 40 countries with our institutional-grade APIs. This...

Senior Software Engineer - Fully Remote | Upto $210/hr Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.Position: Expert Senior SWEType: ContractCompensation: $150–$210/hourLocation:...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer (Front and Back end) based in Spain.As a Software Engineer, you'll contribute across both frontend and backend development to build reliable, scalable applications in modern cloud environments.You'll work with...