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Senior Engineer Spain Jobs

99 Job Offers

Senior Backend Engineer
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Join Hostaway's Core team in Barcelona as a Senior Backend Engineer. You will design critical integrations with major OTAs using PHP and Go within a modern, event-driven architecture. This 100% remote role offers stock options, professional growth, and the chance to shape key technical solutions ...
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Spain , Barcelona
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Not provided
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Hostaway
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Senior Backend Engineer
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Join Job&Talent in Madrid as a Senior Backend Engineer. Design and scale Kotlin-based distributed systems powering a major staffing platform. Own the full feature lifecycle for applications serving millions of users daily. Enjoy competitive pay, meaningful benefits, and a chance to impact global ...
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Spain , Madrid
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InStaff
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Senior Frontend Engineer - ReactJS
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Join our new Barcelona engineering hub as a Senior Frontend Engineer. You will build robust, scalable features using ReactJS and modern JavaScript. We seek 4+ years of experience with React, TypeScript, and state management. Enjoy competitive salary, Apple hardware, relocation support, and a hybr...
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Spain , Barcelona
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70000.00 - 80000.00 EUR / Year
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join.com
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Senior Sustainability Engineer
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Join our team in Valencia as a Senior Sustainability Engineer. You will lead Life Cycle Assessment (LCA), Eco-design, and circular economy research for international projects. We require over 5 years of experience, a PhD in sustainability, and fluency in English and Spanish. Enjoy a positive work...
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Spain , Valencia
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LOMARTOV
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Senior Vue/Nuxt Frontend Engineer
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Join Flanks in Barcelona as a Senior Vue/Nuxt Frontend Engineer. You will architect the frontend for a groundbreaking multi-agent AI platform in wealth management. We require expert Vue/Nuxt skills, real-time UI experience, and fluency in Spanish and English. Enjoy a hybrid model, health insuranc...
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Spain , Barcelona
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Vue
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Senior Site Reliability Engineer
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Join Affirm in Spain as a Senior Site Reliability Engineer. Design and launch scalable backend systems using Python, Kotlin, AWS, and Kubernetes. Drive reliability, incident management, and tooling for honest financial products. Enjoy comprehensive benefits, including full health coverage and fle...
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Spain
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85000.00 - 115000.00 EUR / Year
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Affirm
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Senior Devops Engineer
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Join our Healthcare R&D team in Barcelona as a Senior DevOps Engineer. You will build and operate AWS-based data platforms, using Terraform, Azure AD, and CI/CD pipelines. We seek an expert in cloud security, automation, and monitoring tools. Enjoy benefits like private healthcare, pension, and c...
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Spain , Barcelona
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Babel Profiles
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Senior Backend Engineer
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Join our team in Barcelona as a Senior Backend Engineer. Develop scalable Java/Spring Boot microservices for our high-traffic mobility platform. Enjoy a collaborative environment, work-from-anywhere flexibility, and competitive compensation.
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Spain , Barcelona
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Adevinta
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Senior Backend Engineer
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Join our new Barcelona engineering hub as a Senior Backend Engineer. Shape the future of recruiting software using modern tech like TypeScript, RDBMS, and message brokers. Enjoy a competitive salary, Apple hardware, hybrid remote work, and relocation support.
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Spain , Barcelona
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join.com
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Senior Platform Security Engineer
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Join our team as a Senior Platform Security Engineer in Barcelona. Secure our global Kubernetes platform and cloud infrastructure (AWS) while ensuring compliance with ISO27001 and SOC2. Enjoy a remote/hybrid model, flexible hours, and an attractive benefits package including share options.
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Spain , Barcelona
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Gipo
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Senior Platform Engineer
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Join our team as a Senior Platform Engineer in Barcelona. You will build and maintain our global Kubernetes infrastructure on AWS, ensuring high availability and security. Key skills include Kubernetes, Terraform, and CI/CD tools like Argo CD. We offer a flexible remote/hybrid model, share option...
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Spain , Barcelona
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Gipo
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Senior Data Analytics Engineer
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Join Fever in Madrid as a Senior Data Analytics Engineer. Bridge data engineering and business analytics using SQL, DBT, Python, and modern platforms like Snowflake. Design reliable data models, ensure quality, and contribute to a data mesh vision in a collaborative, federated environment. Enjoy ...
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Spain , Madrid
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Fever
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Senior AIT Engineer
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Join ICEYE in Valencia as a Senior AIT Engineer, turning cutting-edge satellite designs into reliable spacecraft. Leverage your 7+ years of complex hardware integration experience to lead assembly, test, and verification. Enjoy a pivotal role in a dynamic defense technology environment with benef...
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Spain , Valencia
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ICEYE
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Senior Data Engineer
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Join ICEYE as a Senior Data Engineer in Valencia, Spain. Develop cloud APIs, UIs, and data warehouses for stratospheric HAPS aircraft fleet management. Leverage 5+ years of full-stack expertise to build data intelligence services and support flight testing. Enjoy relocation support, health insura...
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Spain , Valencia
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ICEYE
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Senior Electronics/Avionics Engineer
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Join ICEYE's HAPS program as a Senior Electronics/Avionics Engineer in Valencia. Develop cutting-edge power, control, and communication systems for a novel UAV platform. You will need 5+ years' experience in high-reliability electronics design for harsh environments. Enjoy an impactful role with ...
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Spain , Valencia
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ICEYE
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Senior Radio Frequency Engineer
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Join ICEYE as a Senior RF Engineer in Valencia, Spain. Design and test next-generation satellite RF hardware, tackling challenges in new space engineering. Requires a Master's degree and 5+ years of RF/microwave experience. Enjoy relocation support, health insurance, and a dynamic role in Earth O...
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Spain , Valencia
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ICEYE
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Senior Electrical Harness Design Engineer
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Join our Electrical System Installation Design team in Getafe, Spain. As a Senior Harness Design Engineer, you will develop electrical systems for major programs like Eurodrone and FCAS. We require 3-5 years of experience in aeronautical design, proficiency in CATIA V5/V6, and advanced English/Sp...
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Spain , Getafe Area
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Airbus
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Senior Data Engineer
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Join our Data Platform team in Barcelona as a Senior Data Engineer. Design and deliver high-quality Azure data solutions using Data Factory, Databricks, and Python. Enjoy a hybrid model, career growth, and working with industry experts in a collaborative environment.
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Spain , Barcelona
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FSP
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Senior Data Engineer
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Join a global organization as a Senior Data Engineer for a long-term, remote project based in Spain. This 12-month+ contract requires 3-4 years of experience, with strong expertise in Azure (Data Factory, Service Bus, DevOps) and Databricks. Ideal candidates will possess solid cloud data architec...
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Spain
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RED Commerce - The Global SAP Solutions Provider
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About the Senior Engineer role

Senior Engineer jobs represent the pinnacle of technical expertise and leadership within the engineering field. These roles are designed for seasoned professionals who possess deep, specialized knowledge and are entrusted with guiding complex projects, making high-stakes architectural decisions, and mentoring the next generation of talent. Unlike entry or mid-level positions, senior engineers are expected to operate with significant autonomy, translating broad business objectives into robust, scalable, and innovative technical solutions. They serve as the critical bridge between strategic vision and practical execution, ensuring that engineering outcomes align with long-term organizational goals.

Professionals in these roles typically shoulder a comprehensive set of responsibilities that extend beyond pure coding. A core duty is systems architecture and design, where they define the technical blueprint for major initiatives, selecting appropriate technologies and frameworks to ensure performance, security, and maintainability. They are deeply involved in solving the most challenging and ambiguous problems, applying advanced analytical skills to diagnose issues and devise elegant solutions. Leadership is a fundamental aspect, encompassing code and design reviews, technical mentorship for junior team members, and fostering a culture of engineering excellence and continuous improvement. Furthermore, senior engineers often own the entire lifecycle of critical system components, from conception and development through deployment, monitoring, and iterative enhancement.

The typical skill set for senior engineer jobs is both broad and deep. Mastery in one or more programming languages and relevant technology stacks is a given. However, what truly distinguishes a senior engineer is their proficiency in architectural patterns, such as microservices or event-driven design, and a strong grasp of cross-cutting concerns like security, scalability, and observability. They are expected to have extensive experience with modern development practices, including DevOps principles, CI/CD pipelines, infrastructure as code, and automated testing strategies. Equally important are the soft skills: exceptional communication to articulate complex ideas to technical and non-technical stakeholders, strategic thinking to anticipate future challenges, and a collaborative mindset to work effectively across multidisciplinary teams. A proven track record of driving projects to successful completion and a mindset geared towards innovation and efficiency are common requirements.

Ultimately, senior engineer jobs are for those who are not just builders but visionaries and stewards of technology. They play a crucial role in shaping the technical direction of products and services, mitigating risk, and ensuring that engineering practices evolve to meet emerging demands. For organizations, hiring for these positions is an investment in stability, innovation, and sustained competitive advantage. For engineers, these roles offer the opportunity to have an outsized impact, lead transformative work, and define the future of technology within their domain.