Empleos de remote senior backend java engineer en Zaragoza

Explore Group is seeking a Senior Full Stack Engineer for a fully remote six-month contract. You will work across the stack to deliver scalable e-commerce features, with a strong emphasis on AI-assisted development tooling.The role demands hands-on expertise in React and Node.Js, with a track record of production-grade deployments and an autonomous working...

Jobgether is seeking a Senior Full Stack Engineer in Spain to join a remote-first, product-focused team building SaaS for governance and business processes. You will develop features with F#, ASP.NET Core, React.Js, and TypeScript, shaping architecture and product direction.You will own features end-to-end, collaborate across product and engineering, and...

Runware is seeking a Senior Software Engineer to turn ambitious ideas into production systems that delight developers and deliver business impact. You’ll work across the stack—from backend APIs and orchestration to SDKs and developer tools—owning outcomes from design to delivery.You’ll collaborate across the company to build robust, scalable systems....

Base360.Ai is seeking a Senior Software Engineer to architect and scale a platform for short-term rental operators. You’ll build customer-facing products, automation engines, AI-powered workflows, and integrations with partners like Airbnb, Stripe, and Twilio.You’ll work on a cloud-native, API-first backend and a frontend stack with React/TypeScript,...

Sener, a través de Quark, busca un/a Ingeniero/a Civil Senior para liderar la ingeniería civil en proyectos internacionales de Data Centers, desde diseño inicial hasta ingeniería de detalle.Formarás parte del equipo Civil, asumiendo responsabilidad técnica en Stage 2, Stage 3 y Stage 4, coordinando con estructuras, arquitectura y disciplinas MEP, y...

5Blue Software is seeking a Senior Full-Stack Developer to join an international team building an AI-powered B2B platform. You will own features end-to-end, from design to production, across frontend and backend, while applying an AI-first approach.You’ll collaborate with engineering and product teams across time zones, use Claude Code or similar tools,...

CloudLinux Inc. is seeking a Senior Machine Learning Engineer to join the remote-first team. You will drive development, evaluation, and production rollout of Imunify Email security solutions, focusing on spam-detection models, Go-based engine components, and corpus tooling.The role emphasizes production ML, transformer training in PyTorch, and strong...

YO AI Labs is seeking a seasoned Full-Stack Software Engineer to support an AI training project. This contractor role offers approximately 15 hours per week with flexible scheduling and fully remote work.You will develop across front-end and back-end, integrate APIs, review AI-generated code for quality, security, and performance, and adapt builds between...

TuxCare Inc. is seeking a Senior / Principal Security Research Engineer to launch the Security Research & Automation function of SecureChain. You will be the first engineer in a new team, building production-grade tools for research and automation.Responsibilities include owning the malicious-code detector, extending detection with static/dynamic analysis,...

Decskill busca un Senior Platform Engineer para proyectos estratégicos en el sector farmacéutico. Diseñarás la infraestructura cloud para la plataforma de IA empresarial y darás soporte a los servicios backend de IA.Se valorará al menos 6 años de experiencia, experiencia sólida en Azure, Python, microservicios y APIs, y conocimientos en Docker,...

CloudLinux, a global remote-first company, is seeking a Senior ML Engineer to turn malware data into production-grade detection. You will develop models to detect web malware, including PHP, JavaScript, and HTML threats, and generate signatures that scale across fleets.You will work with GPUs, an experimentation track, and direct leadership, collaborating...

Alkimii is seeking a Senior Ruby on Rails Engineer to join our Spain-based team and help evolve our hospitality SaaS platform. You will own core features, collaborate with product and design, and help scale performance and reliability.You will work with Ruby on Rails, GraphQL, and Vue.Js, contributing across the product lifecycle while leveraging AWS and...

Jobgether, in collaboration with a partner company, seeks a Senior Data Engineer – Data Engineer based in Spain for a fully remote role. You will own end-to-end ETL/ELT pipelines, transform raw data into clean, accessible datasets, and work with cloud data platforms and modern warehousing technologies to empower analytics and product development.You will...

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...

Lexroom.Ai is hiring a Senior Full Stack Engineer to join a four-to-five person squad. You will own technical decisions, ship features end-to-end, and collaborate with a product manager and designer.The stack spans Next.Js/TypeScript on the frontend and Python with Django on the backend, with Postgres and vector stores. You will work across the stack,...

EverAI Limited is building the future of AI companionship with a fast-growing, globally distributed team.Our LLMs power a consumer-facing platform used by millions, and you will own end-to-end model development from post-training to production.You will work with Marco and the CTO across data, evals, and model behavior to push personalization, multilingual...

ABOUT USPliant is a modular B2B payments platform that combines commercial card issuing, payment accounts, FX, and spend management in one system — adapting to existing setups rather than requiring customers to replace them.Businesses across industries such as travel, e-commerce, and insurance use Pliant to manage complex payment workflows with cards,...

Jobgether in Spain seeks a Staff Backend Software Engineer for a partner company. You will build a distributed transaction platform supporting secure cryptocurrency transfers between financial institutions, fintechs, and exchanges.Core work centers on Go and PostgreSQL, with cloud engineering and AI-assisted development shaping architecture and production...

UST is seeking a Backend Developer Analyst with solid Spark and Scala experience to join the SIMA Squad. You will participate in the full software delivery lifecycle, collaborating with business and technical teams to implement scalable data solutions and ensure code quality across environments.Join a global, Top Employer-certified team and contribute to...

About the Project & Team It evolved into a developer-loved toolkit with hundreds of active users, 7,000 weekly CLI runs, 5,000 GitHub stars, and over 100 million translated words. We've graduated from the world's best tech accelerator (Y Combinator) and raised venture funding to continue building developer tools that must exist but don't yet. We're a...