Empleos de senior backend java engineer remote en Zaragoza

Sobre el proyectoBuscamos un/a Senior Java Developer para incorporarse a un proyecto de larga duración en un entorno tecnológico complejo, trabajando principalmente en desarrollo backend y evolución de sistemas existentes.Buscamos un perfil con experiencia sólida en Java y Spring Boot, acostumbrado a trabajar con arquitecturas complejas y sistemas...

Senior Backend Engineer (TypeScript / Node.Js) | 100% remoto | 4 días/semana (Lunes a jueves) | 45K–60KEn KYNAUT buscamos incorporar un/a Backend Engineer muy senior para participar en la evolución del plano de dominio de una aplicación, trabajando sobre sus APIs REST y una arquitectura orientada a eventos .Buscamos un perfil con una trayectoria...

Help Us Build The Future of Travel At Airalo, we're making it easier for people to stay connected wherever they travel. As the world's first eSIM store, we help millions of travelers access affordable mobile data in 200+ countries and regions around the world.Today, we're a team of 400+ people across 60+ countries, building a product used by travelers every...

UST España & Latam is seeking a Senior DevOps Engineer to design and operate auditable DevOps platforms for a UK financial services client. The role emphasizes balancing innovation with risk management in a highly regulated environment.The position offers 100% remote work for candidates based in Spain, with English proficiency required and Spanish...

My IT Crew is expanding and seeking a Senior Systems Engineer to join our Service Delivery Team. This fully remote position supports clients across the United States, focusing on enterprise IT across on-premise and cloud environments.You will be an advocate for customer satisfaction and provide technical excellence across systems, software, and hardware. You...

AgileEngine is hiring for a mobile test automation engineer in a fully remote role, open to candidates nationwide. You will automate our regression suite and extend coverage across iOS/Android; core focus is replacingmanual tests with robust automation.Requirements include 2+ years in mobile test automation (Kotlin preferred), experience with Firebase and...

Lever, Inc. is seeking a Senior Animation Engineer based in Spain to own animation runtime systems in Unity and drive data-oriented animation solutions. You will work across Animation, Tech Art, and Engineering to translate creative requirements into scalable, production-ready features.The role emphasizes R&D ownership, collaboration with Animators and...

Lever, Inc. is seeking a Senior Software Developer (Node.Js/Python) based in Spain. You will design, develop, and operate scalable backend services and AI-enabled components, collaborating with AI engineers and cross-functional teams to deliver production-grade APIs.You will own technical decisions, enforce coding standards, and mentor peers while working in...

Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement. We are 340+ engineers across Europe (UK, Spain, Portugal), the Americas, and the Middle East, delivering technology-driven outcomes with senior expertise and close...

Senior Frontend Engineer role focused on building responsive, high-performance web applications, collaborating with cross-functional teams, and mentoring developers. Requires strong experience with Typescript, React, and related technologies.

Equitable Earth is seeking a Senior Fullstack Engineer to build and evolve web and mobile apps, collaborating with the Tech Lead and Product team. You will own features end-to-end, mentor peers, and push for high engineering quality, including AI-driven workflows.The role is fully remote with significant overlap with French business hours, offering a...

Airbnb, Inc. is seeking a Senior Systems Engineer for the Content Products team. You will own major projects spanning multiple workstreams, driving authoring workflows, and extending Contentstack with integrations and AI-powered features.You will collaborate with product, engineering, and content teams to deliver scalable, secure content workflows and...

MS Shift, Inc. is seeking an experienced AI Developer to design, build, and integrate AI-powered features into our software platform. The ideal candidate brings strong software development experience and hands-on work with LLMs, AI agents, APIs, and modern AI frameworks.This is a hands-on role for turning AI concepts into production, collaborating with...

A technology solutions provider in Spain is seeking a highly skilled Senior Data Engineer to lead the design and optimization of data historian solutions. The ideal candidate will have 3–5 years of experience with AVEVA PI and related tools, showcasing strong leadership and extensive knowledge of data integration. This full-time role offers the opportunity...

Our client, a Fortune 50 leader in enterprise solutions and innovations, is seeking a Senior AI Engineer with Knowledge Graphs and LLMs skills to join their AI incubator to scout, incubate, and validate internal ideas. This role is part of a high-impact strategy leveraging Graph Neural Networks (GNNs) and Generative AI to redefine workflows, semantic search,...

Mercor is hiring a Senior Software Engineer for fully remote work. You will evaluate and enhance AI model capabilities across complex SWE tasks, collaborating with leading AI research teams to improve data and models.As an expert contractor, you will develop benchmarks, work independently, and shape model reasoning while ensuring timely delivery. This role...

Arrow Electronics, ES-Spain (Remote), seeks an Application Engineer - FPGA with 6+ years in Altera FPGA design to guide customers from RTL to optimized implementations. The role emphasizes collaboration with FAEs, sales, and suppliers, and involvement in NPI benchmarks and reference designs.The position offers a remote working arrangement with global...

Portless is seeking a senior full-stack engineer to own and scale major pillars of our global supply chain platform, delivering end-to-end features for the B2B portal and logistics engine.You’ll design heavy-duty API integrations with OMS/WMS/TMS, build in a serverless, cloud-native stack, and drive resilient architectures in a remote-first, globally...

Arup, based in Spain with a local Spanish contract, will support National Grid transmission projects in the United Kingdom. The Senior HV Substations Protection & Control, Communications and SCADA Engineer will work predominantly remotely from Spain while integrated into the UK project team, with local management support in Spain and travel up to 30% to the...

AGE Solutions is seeking a Sr. Network/Systems Engineer to design, implement, and optimize enterprise networking and hybrid infrastructure. You will apply cyber and systems engineering principles while mentoring junior staff and ensuring alignment with security policies.The role demands DoD clearance, strong hands-on skills with Juniper, Cisco, Versa...