Empleos de fullstack senior developer en Zaragoza

A decentralized AI research collective is seeking a Senior Golang Developer to build a blockchain-based platform. The role involves designing robust node software and collaborating on AI-driven algorithms. Candidates should have over 5 years of experience in software development, particularly in Golang, and a strong understanding of blockchain technology....

Senior Talent Acquisition SpecialistAn important and fast-growing company is looking for a passionate, proactive, and data-driven Senior Talent Acquisition Specialist with a strong focus on the technology ecosystem.In this role, you will be responsible for attracting and selecting digital talent (Software Engineering, Data, Cloud/DevOps, Product, AI,...

GitHub, in Spain, is seeking a Senior Software Engineer for the Code Scanning Engine Quality team. You will work on CodeQL-powered analysis across GitHub.com and GHES, and help build internal tooling and CI pipelines to validate changes at scale. You will collaborate with multiple engineering teams to deliver high-quality, secure code scanning features,...

Desde Krell Consulting buscamos un Senior BMC Helix Consultant con amplia experiencia en plataformas BMC para incorporarse a un equipo especializado en proyectos de transformación digital e IT Service Management. La persona será responsable del diseño, desarrollo, implementación y evolución de soluciones sobre BMC Helix , trabajando directamente con...

Verda is building a full-stack AI cloud and seeks a Senior Backend Engineer to craft Go-based backend services and Kubernetes-native applications. You will own design through deployment, influencing reliability, scalability and developer experience across the platform. You will collaborate with infrastructure and AI teams to ship APIs, integrations, and...

Jobgether SRL is seeking a Senior PHP/Laravel Developer with infrastructure and DevOps experience, based in Spain. You will split time between software development and infrastructure work, driving reliability, performance, and security across data-driven applications.The role requires hands-on leadership, architecture design, and collaboration with...

Netenders, based in Barcelona, seeks a Senior Full Stack Developer (Freelance) to collaborate with the in-house team on long-term e-commerce CMS projects. You will architect scalable Rails backends and React frontends, focusing on supplier integrations and high-volume data flows.You will work autonomously in a freelance capacity, with flexible remote...

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...

Óscala is expanding its remote-capable Full Stack Senior Developer team to support a growing client base across Europe. You will enhance and maintain the Reseller platform, drive backend tasks in a multidisciplinary squad, and collaborate with Product and Customer Success teams to deliver scalable features with high quality.We value strong CS fundamentals,...

Grupo TECDATA Engineering busca un Senior Backend Developer para un proyecto de larga duración en Madrid, con enfoque en desarrollo backend y evolución de sistemas existentes. Se valorará experiencia sólida en Java y Spring Boot, APIs REST y arquitecturas event-driven, además de historial trabajando con sistemas complejos y legacy.El perfil debe aportar...

Capitole keeps growing, and we want you to grow with us! We are seeking a Senior Full-Stack Developer (M/F) to join an international project.You will design, develop and maintain scalable full-stack applications using Java, Spring Boot, and Angular, contributing to architecture and DevOps practices. The role requires 3+ years of experience, strong...

About The Role Blacksmith Agency builds websites and marketing programs for clients across the US. As Senior Product Designer, Design Systems at Blacksmith, you own how our client design systems get built. You take a brand and a few reference sites, then extract the pattern into a working system: tokens, variables, modes, and core components a build...

Sorcer is seeking a Senior Rails Developer to join their team in Spain. In this role, you will develop and maintain backend systems for a high-scale platform. Candidates should have over 10 years of Ruby on Rails experience and a strong ability to align tech with business goals. The position offers a competitive salary up to €80k, high flexibility with...

Share is building a software-defined network fabric that spans Africa with multi-provider reach. The Senior Network Developer will own end-to-end architecture, including backbone, PoP design, and interconnects, while turning operations into code. You’ll drive modern routing (Segment Routing, IPv4/IPv6), work with white-box hardware, and implement telemetry...

BCNC Group busca un/a Senior Backend Developer Java para unirse a un equipo ágil y participar desde el inicio en una plataforma global de logística y distribución.Siga leyendo para comprender completamente lo que este trabajo requiere en cuanto a habilidades y experiencia. Si su perfil encaja, presente su candidatura.Diseñarás y desarrollarás...

Your mission at Mercanis. At Mercanis, we are building the Agentic AI Procurement Suite that powers the procurement of tomorrow, digital, transparent, and intelligent. We are a small, collaborative engineering organization where Platform & Infrastructure plays a key role in keeping our systems reliable, secure, scalable, and ready for AI-driven product...

Buscamos un Senior Backend Developer (Node.js/Python) con foco en IA Generativa + Alexa Estamos ampliando equipo para construir experiencias conversacionales y herramientas basadas en IA con un enfoque práctico: calidad, producto y entrega. Desarrollo de Alexa Skills y experiencias de voz Integración de IA generativa (tooling, RAG y/o agentes) en...

About The RoleBlacksmith Agency builds websites and marketing programs for clients across the US. As Senior Web Designer, Design Systems at Blacksmith, you own how our client design systems get built. You take a brand and a few reference sites, then extract the pattern into a working system: tokens, variables, modes, and core components a build pipeline can...

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.WHY JOIN USIf you're looking for a place to grow, make an...

Hired is seeking a Senior Python Developer to support a foundational LLM company in enhancing large language models. You will design, develop, and maintain Python code to train and optimize AI models, and lead supervised fine-tuning with high-quality data. You will evaluate model responses, rank outputs, and collaborate with researchers and annotators to...