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Senior Software Engineer - C/C++ Spain Jobs

28 Job Offers

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Senior Embedded Software Engineer
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Spain , Málaga
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Parking Network B.V.
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Senior FrontEnd Software Engineer
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Spain , Barcelona
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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 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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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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Spain
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50000.00 - 70000.00 EUR / Year
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Fever
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About the Senior Software Engineer - C/C++ role

Explore senior software engineer jobs specializing in C/C++, a foundational and high-performance programming domain critical to systems where speed, efficiency, and direct hardware interaction are paramount. Senior Software Engineers in C/C++ are seasoned professionals who architect, develop, and optimize complex software systems. Their expertise is essential in industries such as operating systems, embedded electronics, game development, high-frequency trading, telecommunications, and database engineering, where resource management and real-time processing are non-negotiable.

Professionals in these roles typically shoulder a wide array of responsibilities centered on the full software development lifecycle. A core duty involves designing robust software architecture, making critical decisions on data structures, algorithms, and system integration patterns. They write, review, and debug sophisticated, performance-critical code in C and C++, often dealing with memory management, concurrency, and low-level system APIs. A significant part of their work includes performance profiling and optimization, ensuring software operates with minimal latency and maximal throughput. They are also responsible for creating and maintaining technical documentation, leading code reviews to enforce best practices, and mentoring junior engineers to elevate team capability. Collaboration is key, as they frequently work alongside cross-functional teams, including hardware engineers, product managers, and QA specialists, to translate complex requirements into reliable and scalable software solutions.

The typical skill set for these senior roles is demanding and specific. Mastery of C and C++ is fundamental, with a deep understanding of language nuances, modern standards (C++11/14/17/20), and associated toolchains. Proficiency in software design principles, object-oriented and procedural programming, and system-level concepts like multithreading, sockets, and memory models is required. Strong experience with version control systems, such as Git, and familiarity with build systems (CMake, Make) is standard. Knowledge of scripting languages like Python for automation, as well as experience with debugging and profiling tools (e.g., GDB, Valgrind, VTune), is highly valuable. While not always mandatory, a solid foundation in computer science, often evidenced by a degree in a related field, is common. Ultimately, successful candidates demonstrate exceptional problem-solving abilities, a meticulous attention to detail, and the capacity to own projects from conception through to deployment and maintenance. For those seeking to leverage deep technical expertise on challenging projects, exploring senior C/C++ software engineer jobs offers a pathway to impactful work at the core of technology.