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Software Engineer - Full Stack Spain, Barcelona Jobs

2 Job Offers

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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Location
Spain; France , Barcelona Tasso; Paris
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Salary
Not provided
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Bsport
Expiration Date
Until further notice
Founding Full-Stack Software Engineer – AI for Biopharma
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Join Equator as a Founding Full-Stack Engineer in Barcelona. Build an AI-native platform for biopharma using Python, React, and modern frameworks. Shape the product and architecture from the ground up in a key founding role. Requires 4-6 years of experience and a valid Spain work permit.
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Spain , Barcelona
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Salary
70000.00 EUR / Year
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Blu Selection
Expiration Date
Until further notice

About the Software Engineer - Full Stack role

A Software Engineer - Full Stack job represents one of the most versatile and in-demand roles in modern technology. Full Stack Engineers are uniquely positioned to work across the entire technology stack, from user-facing interfaces to backend infrastructure and databases. These professionals are responsible for designing, building, and maintaining complete software applications, ensuring seamless integration between frontend and backend systems. In a typical Full Stack role, engineers handle a diverse range of responsibilities. On the frontend, they craft intuitive, responsive user interfaces using modern frameworks and libraries, focusing on performance, accessibility, and visual polish.

On the backend, they develop robust APIs, microservices, and server-side logic that power the application. They also work with databases—both relational and NoSQL—to manage data storage, retrieval, and optimization. A significant part of the job involves deploying and managing applications in cloud environments, utilizing containerization tools and continuous integration/continuous deployment pipelines. Collaboration is central to these jobs; Full Stack Engineers frequently partner with product managers, designers, data scientists, and other engineers to define features, establish success metrics, and iterate based on user feedback and experimentation. They participate in code reviews, mentor junior team members, and contribute to engineering best practices.

Live-site ownership is another critical aspect, requiring monitoring, alerting, incident response, and proactive improvements to system reliability. To succeed in Software Engineer - Full Stack jobs, professionals typically need a strong foundation in computer science principles, including data structures, algorithms, and system design. Proficiency in multiple programming languages is common, such as Java, Python, JavaScript, TypeScript, C#, or Go. js, Django, or Spring. Cloud computing expertise—particularly with AWS, Azure, or Google Cloud—is increasingly essential, as is familiarity with container orchestration tools like Docker and Kubernetes.

Soft skills are equally important: problem-solving, communication, and the ability to navigate ambiguous requirements are highly valued. The best candidates are lifelong learners who stay current with emerging technologies, whether that means exploring AI integration, new database paradigms, or evolving DevOps practices. Ultimately, Full Stack jobs offer a dynamic career path where engineers can see their work impact users directly, from initial concept to production deployment and beyond. This role is ideal for those who enjoy variety, continuous learning, and the satisfaction of building complete, end-to-end solutions that solve real-world problems. Whether you are early in your career or a seasoned leader, Full Stack engineering provides opportunities to grow technical depth, broaden your skill set, and make a tangible difference in how people interact with technology every day.