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Senior Software Engineer - AI Spain Jobs (Hybrid work)

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Senior FrontEnd Software Engineer
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Spain , Barcelona
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Not provided
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Amaris Consulting
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Senior Software Engineer
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Join our Barcelona team as a Senior Software Engineer on the core C&E platform. Design and own scalable backend systems, data pipelines, and APIs that power customer segmentation and personalization. We seek an engineer experienced in SaaS architecture and high-throughput systems. Enjoy a hybrid ...
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Spain , Barcelona
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Bsport
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Senior Full Stack Software Engineer
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Join bsport, a leading fitness-tech platform, as a Senior Full Stack Engineer. Design scalable microservices and modern React interfaces in a dynamic, hybrid environment. Enjoy competitive compensation, equity, health insurance, and fitness perks in Barcelona or Paris.
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Spain; France , Barcelona Tasso; Paris
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Bsport
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Senior Software Engineer - Frontend
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Join Microsoft's Azure Data team as a Senior Frontend Software Engineer in Spain. Design and develop world-class user experiences for cutting-edge big data and AI analytics products like Microsoft Fabric. Utilize your expertise in JavaScript, TypeScript, and modern frameworks (React/Angular/Vue) ...
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Spain , Multiple Locations
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Microsoft Corporation
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Senior Software Engineer - Data Science
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Spain , Multiple Locations
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Microsoft Corporation
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Senior Software Engineer
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Join our Data Department in Madrid as a Senior Software Engineer. You will build scalable backend services and data pipelines to power machine learning models and business automation. We seek strong Python skills, experience with cloud infrastructure, and a pragmatic approach to system design. En...
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Spain , Madrid
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Fever
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Senior Software Engineer
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Join Flanks as a Senior Software Engineer in Barcelona. You'll build and scale a SaaS platform for wealth management, handling sensitive financial data. We seek an autonomous coder with 7+ years' experience, fluent in English/Spanish. Enjoy hybrid work, health insurance, team events, and our offi...
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Spain , Barcelona
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50000.00 - 80000.00 EUR / Year
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Flanks
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Until further notice

About the Senior Software Engineer - AI role

Senior Software Engineer - AI Jobs: A Comprehensive Career Overview

The role of a Senior Software Engineer represents a pinnacle of technical expertise and leadership within the software development lifecycle. Professionals in these positions are entrusted with the end-to-end design, architecture, and implementation of complex, scalable software systems. Far beyond basic coding, this senior role involves making critical decisions that define a product's technical foundation, performance, and long-term maintainability. For those exploring senior software engineer jobs, it's crucial to understand the blend of deep technical prowess, strategic thinking, and collaborative leadership that defines the career.

Typically, senior software engineers own significant components or entire applications. Common responsibilities include architecting robust system designs, selecting appropriate technologies and frameworks, and writing high-quality, production-ready code. They are deeply involved in the full stack, often developing both backend services and APIs as well as frontend interfaces. A key duty is ensuring scalability and reliability; they optimize performance, conduct rigorous code reviews, and establish engineering best practices. Furthermore, they frequently integrate various services, databases, and third-party platforms, and are responsible for the deployment and operational aspects of the software, often working closely with DevOps principles and cloud infrastructure.

Leadership and mentorship are hallmarks of the position. Senior engineers guide and upskill junior and mid-level developers, lead technical discussions, and translate business requirements into actionable technical plans. They collaborate extensively with cross-functional teams, including product managers, designers, and quality assurance, to deliver cohesive user experiences. Problem-solving is at their core, as they diagnose and resolve intricate technical challenges and proactively address potential system bottlenecks or security concerns.

The typical skill set for these jobs is extensive. Proficiency in multiple programming languages (such as Python, Java, JavaScript/TypeScript, C#) and modern frameworks (like React, Node.js, .NET) is expected. A strong grasp of system design principles, API design (REST, GraphQL), and both SQL and NoSQL databases is mandatory. Experience with cloud platforms (AWS, Azure, GCP), containerization (Docker, Kubernetes), and CI/CD pipelines is now standard. Equally important are the soft skills: excellent communication, the ability to articulate complex ideas to non-technical stakeholders, and a commitment to continuous learning in a rapidly evolving field. Most senior software engineer jobs require a bachelor's degree in computer science or a related field, coupled with 5+ years of progressive hands-on development experience, demonstrating a track record of shipping and maintaining significant software projects.

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