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Senior Engineer Spain Jobs

116 Job Offers

Senior Software Engineer, Backend (Comms Core)
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Senior Backend Engineer role at Affirm's Communications team, remote in Spain. Build scalable multi-region messaging infrastructure with Python, Kotlin, AWS and Kubernetes. Requires 5+ years experience in distributed systems.
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86000.00 - 122000.00 EUR / Year
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Senior Clinical Data Engineer
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Join MiniMed as a Senior Clinical Data Engineer in Spain. Build scalable data pipelines with Databricks, PySpark, SQL and AWS to transform clinical data into analysis-ready datasets. Apply now!
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Senior DevOps Engineer
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Join BVNK, now part of Mastercard, as a Senior DevOps Engineer in South Africa. Lead multi-region AWS infrastructure, Kubernetes, Terraform and CI/CD automation while driving DevSecOps and observability excellence.
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Spain, South Africa
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Not provided
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Senior ERP Engineer
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Join DDN as a Senior ERP Engineer in Madrid and drive Workday Financials implementation, configuration, and optimization. Bring 3-6 years of ERP or finance systems experience and strong accounting knowledge to a global AI data leader.
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Senior Cloud Data Platform Engineer
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Scopely seeks a Senior Cloud Data Platform Engineer in Barcelona to build GCP and BigQuery infrastructure with Terraform and CI/CD. Requires Python, SQL, Airflow, and IAM expertise. Join a global gaming team!
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Spain, ES - Barcelona
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Not provided
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Senior Quality Engineer - MONOPOLY GO!
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Join Scopely as a Senior Quality Engineer on MONOPOLY GO! in Barcelona or Seville. Build C#/Python automation for Unity, Android and iOS, drive CI/CD testing and shape quality for a world-leading mobile game.
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Spain, ES - Barcelona
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Not provided
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Senior Stress Engineer
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Airbus Defense and Space seeks a Senior Stress Engineer in Getafe, Madrid. Requires 5-10 years of airframe structural analysis experience, FEM tools proficiency, and aeronautical engineering degree.
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Senior Backend Engineer - Spain-based
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Senior Backend Engineer role at DICE, Spain-based with 100% remote flexibility. Lead Elixir/Phoenix development, architect scalable distributed systems, and mentor engineers while shaping the future of live entertainment technology.
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Senior ML Platform Engineer (Agentic Platform)
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Join Preply as a Senior ML Platform Engineer in Barcelona and build a durable agentic platform with secure tool layers, observability, and SDKs. Requires 5+ years of backend or ML infrastructure experience, strong Python skills, and hands-on GenAI expertise.
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Senior ML Platform Engineer (GenAI Platform)
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Join Preply as a Senior ML Platform Engineer in Barcelona to build a unified GenAI gateway with routing, caching, and observability. Requires 5+ years of backend/ML infra experience and strong Python skills.
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Senior Software Engineer - Elixir
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Join Fever as a Senior Software Engineer (Elixir) and build high-concurrency systems for a global live entertainment platform. Work with Kafka, RESTful APIs, and SQL while enjoying remote flexibility, private medical insurance, and 23 days of vacation.
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Senior Infrastructure & Cloud Engineer
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Join Fever as a Senior Infrastructure & Cloud Engineer in Spain. Lead AWS and bare-metal infrastructure, Kubernetes, and Terraform automation. Enjoy remote work, 40% event discounts, and health benefits.
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Senior Full Stack Engineer (BCN)
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Lexroom seeks a Senior Full Stack Engineer in Barcelona to help build Europe's leading legal AI platform. Requires 5+ years' experience, daily AI coding tool use, and fluent English. Salary €50k-€80k plus equity and hybrid work.
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Senior AI Engineer
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Senior AI Engineer role in Barcelona building RAG-based and agent-driven legal AI systems. Requires strong Python, LLM fine-tuning, and large-scale search expertise. Hybrid work with health coverage, meal vouchers, and performance bonuses.
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Senior Engineer (BE)_MONOPOLY GO!
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Scopely seeks a Senior BE Engineer in Barcelona to elevate the hit mobile game MONOPOLY GO! Design and optimize scalable C# backend systems, APIs, and services for live game operations. Hybrid role with strong growth opportunities.
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Spain, ES - Barcelona
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Senior Antibot Engineer
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Join NIQ's Digital Shelf in Barcelona as a Senior Antibot Engineer. Use reverse engineering, Python, and protocol expertise (TLS, HTTP/2) to bypass advanced anti-bot systems. Enjoy flexible work and LinkedIn Learning.
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46100.00 - 70000.00 EUR / Year
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Senior AI/ML Engineer
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Join EcoVadis as a Senior AI/ML Engineer in Barcelona and build scalable AI systems driving sustainability innovation. Requires Python, MLOps/LLMOps, Azure and Databricks expertise. Flexible hours and wellness benefits.
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Senior Knowledge Graph Engineer
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Join EcoVadis as a Senior Knowledge Graph Engineer in Barcelona. Build GraphRAG pipelines and semantic data solutions using Neo4j, Python, and Azure. Enjoy flexible hours, wellness benefits, and remote work options.
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Senior Site Reliability Engineer
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Join Nexthink as a Senior Site Reliability Engineer in Madrid. Lead cloud-native AWS systems, Kubernetes, and Terraform automation while ensuring reliability for a multi-tenant SaaS platform. 5+ years SRE experience required.
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Senior Platform Software Engineer - Core Infrastructure
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Nexthink seeks a Senior Platform Software Engineer in Madrid to design and run AWS infrastructure, EKS, and GitOps automation. Requires 5+ years in platform, DevOps, or SRE roles with strong cloud and IaC skills.
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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.