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Urgent! Senior Full Stack Developer Job Opening In Cataluña – Now Hiring KEENFOLKS
Join to apply for the Senior Full Stack Developer role at KEENFOLKS .
Who We Are At Keenfolks , we’re redefining what it means to be a marketing agency in the age of AI.
We’re an integrative AI marketing powerhouse that blends human creativity with cutting‑edge technology to craft personalised, high‑impact solutions for some of the world’s most iconic brands.
We integrate AI into existing marketing operations; we don't just advise—we build, deploy, and operate AI systems that deliver measurable results.
We make current marketing investments work harder through intelligent automation and data integration.
Role Overview We’re looking for a Senior Full Stack Developer to join our fast‑growing tech team.
In this role, you’ll design, develop, and optimise scalable, high‑performance web applications, working across both front‑end and back‑end environments.
You’ll collaborate closely with cross‑functional teams, integrating modern technologies and best practices to deliver clean, efficient, and impactful AI solutions.
Your Responsibilities Lead the architecture, design and development of front‑end applications using React (Next.js/Vite) or Vue.js, following the atomic design principle.
Build reusable UI components, ensuring a consistent and accessible design system.
Develop and maintain backend services using TypeScript (Node.js) and Python (FastAPI).
Collaborate closely with Product and Design to translate ideas into clean, efficient, and delightful user experiences.
Integrate and optimise modern AI tooling into the development workflow— from code generation and refactoring to testing and documentation.
Contribute to architecture decisions, code reviews, and technical strategy.
Deploy, manage, and scale projects using SST Framework (Serverless Stack) – Nice to have.
Requirements 6 years of professional experience as a Full Stack and Frontend Engineer.
Deep expertise in TypeScript and modern React (Next.js) or Vue.js development.
Strong understanding of UI/UX principles and design systems (atomic design, component libraries, accessibility).
Proficiency with Node.js and/or FastAPI (Python) on the backend.
Solid understanding of modern CI/CD pipelines, API design, and state management.
Demonstrated experience using AI tools (Claude Code, Cursor, GitHub Copilot, GPT, etc.) to enhance productivity and code quality—be ready to share examples.
Excellent communication, problem‑solving, and collaboration skills.
Nice to Have Experience with APIs, Docker, or cloud environments.
Experience with SST (Serverless Stack) for AWS‑based deployments.
Familiarity with infrastructure‑as‑code, serverless architectures, and event‑driven systems.
What We Offer Hybrid Work: 2 days in our beautiful office, 3 from home.
Free Lunch on office days.
Coffee, tea & fresh fruit always available.
Office fun: ping pong, yoga, and social activities.
Free Friday afternoons.
Afterworks & team building every month.
Work from anywhere for 30 days/year.
Birthday day off to celebrate your day.
23 vacation days 2 personal days.
Learning & Development Program focused on AI innovation.
Career growth and continuous upskilling opportunities.
A dynamic, entrepreneurial culture that values creativity, trust, and constructive freedom.
Your Attitude At Keenfolks , we believe innovation starts with curiosity and courage—the courage to experiment, to fail fast, and to learn faster.
We’re constantly pushing boundaries, seeking greatness over comfort, and rewarding those who challenge the status‑quo.
If you’re a visionary who learns from every experience, embraces change, and thinks like an entrepreneur, you’ll fit right in.
Diversity Matters At The Keenfolks , we’re proud to be an equal‑opportunity employer.
We believe true innovation thrives in diversity of people, ideas, and perspectives and we’re committed to building a culture where everyone belongs and can do their best work.
Want to Know More?
Follow us on LinkedIn to discover our culture, values, and projects shaping the future of AI‑driven marketing.
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Unlock Your Senior Full Potential: Insight & Career Growth Guide
Real-time Senior Full Jobs Trends in Cataluña, 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 Cataluña, 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 86377 jobs in Spain and 780 jobs in Cataluña. 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! KEENFOLKS 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 Cataluña.
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 KEENFOLKS 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 Cataluña. 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 It / Computing / Software 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.
To improve your chances of getting hired for Senior Full Stack Developer, consider enhancing your skills. Check your CV/Résumé Score with our free Resume Scoring Tool. We have an in-built Resume Scoring tool that gives you the matching score for each job based on your CV/Résumé once it is uploaded. This can help you align your CV/Résumé according to the job requirements and enhance your skills if needed.
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 KEENFOLKS, 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 KEENFOLKS's products or services and be prepared to discuss how you can contribute to their success.
By following these tips, you can increase your chances of making a positive impression and landing the job!
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