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      Urgent! Senior Full-Stack Developer Job Opening In Barcelona – Now Hiring All-In Factory
 
                        
                         Job description
We are an international creative and tech agency based in Barcelona, specialised in web and app development, UX/UI design, and digital strategy.
We are looking for a  Senior Full-Stack Developer  to take a key role in our development team — setting up the technical foundations, leading the build of new projects, and coding directly on web and app projects.
You will work on diverse and challenging projects for international clients across multiple sectors, from startups to established brands.
Responsibilities
Develop and maintain web and mobile applications with clean, scalable, and efficient code.
Set up and structure the agency’s development environment (architecture, workflows, deployment).
Implement new features, integrations, and custom functionalities.
Collaborate closely with designers and project managers to ensure quality and performance.
Occasionally work on CMS projects (mainly WordPress) — custom design and optimisations.
Identify and test new tools, frameworks, and technologies to improve processes.
Ensure performance, security, and scalability across all builds.
Requirements
7+ years of experience as a full-stack developer.
Strong skills in  JavaScript, React, Node.js, and PHP .
Experience with  web app  development;  mobile app  experience is a strong plus.
Familiarity with  WordPress  (custom themes/plugins) or other CMS platforms is a plus.
Solid understanding of databases (MySQL, MongoDB) and API architecture.
Experience with  Docker, Git, and CI/CD  pipelines.
Curious, self-driven, and comfortable testing new technologies.
Fluent in English; Spanish or French are a plus.
What we offer
80% remote work, with 1–2 office days per week in Barcelona.
Diverse and international projects across different industries.
Flat, creative structure with autonomy and direct impact.
Flexible and open-minded environment that values initiative and responsibility.
Opportunity to shape the agency’s technical direction while staying hands-on with code.
                      
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Unlock Your Senior Full Potential: Insight & Career Growth Guide
Real-time Senior Full Jobs Trends in Barcelona, Spain (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Senior Full in Barcelona, Spain using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 86452 jobs in Spain and 16590 jobs in Barcelona. This comprehensive analysis highlights market share and opportunities for professionals in Senior Full roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! All-In Factory is currently hiring and seeking a Senior Full Stack Developer to join their team. Feel free to download the job details.
Wait no longer! Are you also interested in exploring similar jobs? Search now: Senior Full Stack Developer Jobs Barcelona.
An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at All-In Factory adheres to the cultural norms as outlined by Expertini.
The fundamental ethical values are:The average salary range for a Senior Full Stack Developer Jobs Spain varies, but the pay scale is rated "Standard" in Barcelona. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.
Key qualifications for Senior Full Stack Developer typically include Other General and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.
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            Here are some tips to help you prepare for and ace your job interview:
Before the Interview:To prepare for your Senior Full Stack Developer interview at All-In Factory, research the company, understand the job requirements, and practice common interview questions.
Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the All-In Factory's products or services and be prepared to discuss how you can contribute to their success.
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