Empleos de senior javascript engineer en Zaragoza

Finom is seeking a Senior AI Engineer to design, build, and operate production-grade AI systems across onboarding, support, fraud and risk workflows, and document understanding. You will move from prototype to production, shaping solutions, measuring quality, and continuously improving them with end-to-end ownership.Seeking strong Python skills, production...

About ElevenLabsElevenLabs is an AI research and product company transforming how we interact with technology.About ElevenLabsElevenLabs is an AI research and product company transforming how we interact with technology.We launched in January 2023 with the first human-like AI voice model. Today, we serve millions of users and thousands of businesses - from...

Overview In this role, you will drive quality across Agilent’s Services software portfolio as a senior test engineer. You collaborate with product management, software engineering, architecture, DevOps, and support teams to define strategies and deliver automated quality solutions. You’ll apply modern testing methods, including AI-assisted testing, to...

AgileEngine, LLC. is seeking a Senior Shopify Engineer to join a remote-first environment and lead high-performance eCommerce solutions for Fortune 500 brands and innovative startups.You will architect, develop, and maintain Shopify Plus projects, drive platform decisions, and contribute to code reviews and engineering excellence initiatives. The role...

If you know how to build robust Web Components that perform flawlessly under the scrutiny of screen readers and complex DOM boundaries, your expertise belongs here.RMG is seeking a Senior Accessibility Engineer for a long-term contract running through June 2027. Working remotely from Barcelona, you will join the team building and hardening the web component...

Progress Partners, a remote-first technology company, is hiring a Senior AI Platform / DevTool Engineer to build reusable AI tooling, automation, and shared services that empower internal and external teams to ship faster with higher reliability and lower cost.This platform role focuses on building RAG systems, AI-assisted workflows, and developer tools that...

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,...

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...

Utopiadesign is seeking dynamic Structural Design Engineers to support luxury hospitality projects worldwide, including boutique hotels and private villas. You will develop structural design solutions that balance aesthetics with safety and code compliance.You will collaborate with architects, interior designers, MEP engineers and clients, report to a...

Lever, Inc. is seeking a Lead Engineer/ Architect ( .NET ) in Spain to spearhead software architecture for an enterprise IoT asset tracking platform. You will balance hands-on coding with team leadership, shaping concurrent distributed systems using C# and .NET, and mentoring a global engineering team.Responsibilities include designing core platform...

Trading 212 Ltd. is seeking a Senior Frontend Engineer to own complex frontend features across web and mobile. You will design and evolve React and React Native systems, build durable abstractions, and tackle rendering and performance bottlenecks with TypeScript.Collaborate with product, backend, and QA to deliver scalable user experiences while maintaining...

UL Solutions in Spain is seeking a Senior Project Engineer - Heat Pumps to provide technical leadership in testing, certification, and evaluation of residential and commercial heat pump technologies.You will support customers and colleagues across performance, energy efficiency, and certification activities while helping shape the future of heat pump...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Backend Software Engineer – Future Hiring Program based in Spain.Join a forward-thinking engineering team delivering high-impact software solutions for global enterprise clients across diverse industries.As part of a...

Playson is a leading online gaming supplier, founded in 2012, which has developed worldwide recognition in the industry. We offer complete gaming solutions based on the latest technologies and detailed market analysis for the leading iGaming operators.We are seeking a highly skilled Manual QA Engineer to join our Game Client squad with a robust understanding...

Syntegon Telstar S.R.U in Terrassa (Barcelona area) is seeking a hands-on Senior SOC Engineer to help design, build, and improve our Security Operations Center. You will own the engineering backlog across SIEM, SOAR, EDR/XDR, and log pipelines, developing high-fidelity detections and reliable data infrastructure.Working with the SOC Leader and analysts, you...

Wave Mobile Money is seeking a Sr Endpoint Engineer to consolidate and modernize legacy systems with a focus on automation. You will own MDM across ChromeOS, macOS, Android, and Linux, implement secure policies, and drive deployment pipelines in a fast-growing environment.You will partner with Information Security, IT and People Operations; the initial year...

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...

Solutions Team Inc. is seeking a Senior Systems Engineer to deploy and support client IT infrastructure nationwide. You will work from headquarters and travel as needed, coordinating with Project and Support teams to deliver high-value projects.The role requires strong technical skills, meticulous documentation, and clear communication to ensure successful...

Senior Platform Engineer (100% Remoto) ¿Te apasiona diseñar y evolucionar plataformas cloud que permitan a los equipos de desarrollo trabajar de forma rápida, segura y escalable? Buscamos un/a Senior Platform Engineer para incorporarse a un entorno tecnológico moderno, donde tendrás un papel clave en la construcción y evolución de la infraestructura...

QA Engineer, Tax, Compliance and ReportingThe role and the teamAs a remote Senior QA Engineer, Tax, Compliance and Reporting (all genders), you'll own quality across manual and automated testing for the teams building Lucanet's tax platform, spanning e-balance and VAT, while helping developers take growing ownership of their own testing.You'll work with two...