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Senior Software Engineer - Desktop Spain Jobs

26 Job Offers

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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 Software Engineer - AI Platform
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Join our team as a Senior AI Software Engineer in Spain. Implement and integrate cutting-edge LLMs and GenAI APIs to enhance real-world applications. We seek strong Python skills and hands-on RAG, prompt engineering, and CI/CD experience. Enjoy remote work, relocation support, health insurance, a...
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Spain
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Fever
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Senior Software Engineer
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Join our Engineering team as a Senior Software Engineer in Spain. Design, build, and own scalable services using RESTful APIs and relational databases. We value clean code, CI/CD, and offer remote work, relocation support, and great benefits.
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Spain
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50000.00 - 65000.00 EUR / Year
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Fever
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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
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Join Microsoft's Ad SDK team in Barcelona as a Senior Software Engineer. Design and optimize high-performance JavaScript/TypeScript SDKs for browser environments. Tackle complex technical challenges in ad-serving technology within a global team. Requires expertise in browser internals and coding ...
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Spain , Barcelona
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Microsoft Corporation
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Senior Software Engineer with Python
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Join a leading global legal tech platform in Madrid as a Senior Software Engineer. Utilize your 6+ years of experience with Python, TypeScript, and modern frameworks to build scalable, high-performance web applications. Enjoy a flexible, remote-friendly culture focused on innovation and well-bein...
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Spain , Madrid
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Babel Profiles
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Senior Software Engineer (Java)
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Join our Madrid team as a Senior Java Engineer. Design and scale a high-performance distributed platform, impacting businesses from day one. Mentor peers, drive architectural decisions, and optimize robust financial data systems. We value clear communication, ownership, and fast-paced iteration w...
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Spain , Madrid
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Adyen
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Senior Software Engineer - Geolocalized Services
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Join our team as a Senior Software Engineer specializing in Geolocalized Services. You will design and build scalable, multi-region backend systems with a strong focus on data residency and privacy compliance. We seek expertise in geo-distributed architecture, CockroachDB/AWS DynamoDB, and backen...
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Spain
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50000.00 - 70000.00 EUR / Year
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Fever
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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 Microsoft's Search Growth team in Barcelona as a Senior Software Engineer. Design and build scalable, consumer-facing search experiences for Bing using C++, Java, or Python. Drive data-driven decisions through A/B testing in a fast-paced, full-stack environment.
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Spain , Barcelona
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Microsoft Corporation
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Senior Backend Software Engineer - Payments & Fraud
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Spain
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Hopper
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Senior Fullstack Software Engineer - Payments & Fraud
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Spain
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Hopper
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Senior Software Engineer, Full Stack
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Spain
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Hopper
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Senior Software Engineer (GOlang)
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Join our Engine team as a Senior Software Engineer specializing in GOlang. You will build and scale the core runtime for Workato's recipe execution, focusing on performance, durability, and distributed systems. This role requires 7+ years of backend experience with scalable applications, database...
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Spain , Barcelona; Madrid
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Workato
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Senior Software Engineer
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Join our team in Barcelona as a Senior Software Engineer. You will build complex Ruby on Rails applications and robust backend APIs, collaborating across teams. We seek 5+ years of Rails expertise, deep Ruby knowledge, and experience with Postgres and caching. Contribute to all development phases...
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Spain , Barcelona
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Workato
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Senior Software Engineer
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Join our team as a Senior Software Engineer in Barcelona or Madrid. You will build complex Ruby on Rails applications and robust backend APIs, collaborating across teams. We seek 5+ years of Rails experience, deep Ruby knowledge, and expertise in Postgres and caching. Contribute to all developmen...
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Spain , Barcelona; Madrid
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Not provided
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Workato
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Senior Software Engineer - Geolocalized Services
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Join our team as a Senior Software Engineer specializing in Geolocalized Services. You will design and build scalable, multi-region backend systems with a strong focus on data residency and privacy compliance. The role requires expertise in geo-distributed systems, CockroachDB or DynamoDB, and ba...
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Location
Spain
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50000.00 - 70000.00 EUR / Year
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Fever
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Senior Software Engineer
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Join Microsoft AI in Barcelona as a Senior Software Engineer. Develop a cutting-edge platform to ground Large Language Models (LLMs) with real-time web data, reducing hallucinations. You'll need expertise in backend technologies like C#/Python and cloud platforms (Azure/AWS). Build scalable, secu...
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Spain , Barcelona
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Not provided
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Microsoft Corporation
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Senior Software Engineer
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Join Fever's Engineering team as a Senior Software Engineer. Develop high-traffic Python applications, work with RESTful APIs, and mentor peers. Enjoy a home office anywhere in Spain, health insurance, and great discounts. Strong English and a focus on code quality are key.
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Spain
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50000.00 - 65000.00 EUR / Year
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Fever
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About the Senior Software Engineer - Desktop role

Are you a seasoned developer seeking to build robust, high-performance applications that run natively on user desktops? Explore senior software engineer - desktop jobs, where you will leverage deep technical expertise to create powerful, efficient, and user-centric software for Windows, macOS, or Linux platforms. This senior role is pivotal in translating complex requirements into stable, scalable, and secure desktop solutions that directly impact end-user productivity and experience. Professionals in these positions are entrusted with the full software development lifecycle, from architectural design and system-level programming to performance optimization and long-term maintenance.

Typically, a Senior Software Engineer specializing in desktop applications takes on a wide array of responsibilities. Core duties generally include architecting and implementing complex software systems using languages like C++, C#, Java, or modern frameworks such as Qt and Electron. They design intuitive user interfaces, ensure seamless integration with operating system APIs and hardware peripherals, and manage data persistence, often working with local databases or file systems. A significant focus is placed on application performance, memory management, and multi-threading to deliver smooth, responsive experiences. These engineers also champion code quality, writing comprehensive unit and integration tests, conducting code reviews, and contributing to CI/CD pipelines. Furthermore, they frequently provide technical leadership, mentoring junior developers, making critical architectural decisions, and collaborating closely with product managers, designers, and QA teams to define project roadmaps and deliverables.

To excel in senior desktop software engineer jobs, a specific and advanced skill set is required. Employers typically seek candidates with 5+ years of professional experience in desktop development, demonstrating mastery of core programming languages and object-oriented design principles. Proficiency in platform-specific frameworks (e.g., .NET for Windows, Cocoa for macOS) or cross-platform toolkits is essential. A deep understanding of operating system internals, system-level APIs, memory management, and concurrent programming is crucial for solving complex technical challenges. Strong skills in debugging, profiling, and performance tuning using native tools are expected. Familiarity with software design patterns, version control (like Git), and agile methodologies is standard. Beyond technical prowess, successful candidates exhibit problem-solving creativity, a proactive ownership mindset, excellent communication skills for articulating technical concepts, and the ability to lead projects and mentor peers. If you are passionate about crafting software that users rely on every day, diving deep into system architecture, and driving technical excellence, browsing senior software engineer - desktop jobs could be the next step in your impactful career.

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