Sr Full Stack Developer
Keenfolks.com
Office
Híbrido (Barcelona, Barcelona, España)
Full Time
Who are we? 🚀
Keenfolks is a cutting-edge, integrative AI marketing agency specializing in harnessing the power of artificial intelligence to drive personalized and effective marketing strategies. We work with global brands to bridge the gap between digital marketing and emerging AI technologies, ensuring our clients stay at the forefront of innovation. Our team thrives on creativity, data-driven insights, and customer-centric solutions.
Role Overview 💫
We’re seeking a skilled and motivated Sr. Full Stack Developer to join our team. You will design, develop, and optimize scalable web applications, working across both front-end and back-end. Collaborating with cross-functional teams, you’ll integrate modern technologies and best practices to deliver high-performance, maintainable solutions. If you’re passionate about creating innovative applications and driving technical excellence, we’d love to hear from you!
Responsibilities 🧑🚀
- Web Development: Design and develop robust and scalable web applications using both front-end and back-end technologies.
- Data Engineering: Build and optimize data pipelines to collect, process, and analyze large volumes of information.
- Data Analysis: Implement data analytics solutions to extract actionable insights and support business decisions.
- Team Leadership: Lead and mentor development teams, promoting best practices and fostering a collaborative environment.
- Technical Communication with Clients: Effectively communicate with clients to understand their needs and translate them into technical solutions.
- Coordination with External Subcontractors: Manage and supervise the work of external subcontractors to ensure compliance with standards and deadlines.
- Attention to Detail and Procedures: Ensure quality and consistency in developments by implementing defined procedures and standards.
- Agile Environment Work: Actively participate in Agile methodologies (Scrum, Kanban) to ensure efficient and high-quality deliveries.
- Interdisciplinary Collaboration: Work with different departments to align technical and business objectives.
- Continuous Improvement: Participate in code reviews and promote agile and efficient development practices.
- Documentation: Maintain clear and detailed documentation of processes and developments carried out.
Requirements 🎯
- Experience: 5+ years as a Full Stack Developer in projects related to Data Engineering and Data Analytics.
- Bachelor’s degree in Systems Engineering, Computer Science, or related fields.
- Language: English. The official language in the Agency is English. Spanish is a plus.
- Technical Skills: Proficiency in programming languages such as Python, JavaScript, Java, or similar. / Experience with front-end frameworks (React, Angular, Vue.js) and back-end frameworks (Node.js, Django, Flask). / Knowledge of SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB). / Experience with cloud services (AWS, Azure, Google Cloud).
- Leadership Experience: Proven ability to lead development teams and manage projects.
- Technical Communication: Excellent communication skills to interact with clients and internal teams.
- Coordination with External Subcontractors: Experience in coordinating and monitoring work with external vendors.
- Attention to Detail: Meticulous focus on code quality and adherence to standards and procedures.
- Agile Methodologies: Experience working in Agile environments like Scrum or Kanban.
- Personal Competencies: Analytical thinking and problem-solving skills. / Proactivity and adaptability in dynamic environments. / Ability to work in a team and manage multiple tasks simultaneously.
What We Offer
- Flexible working from home policy, two days in the office and three from home 🏡
- Free lunch on the days you go to our beautiful office in Barcelona🍲
- Fresh fruit, coffee, and tea 🍎 ☕️ 🫖
- Office activities 🏓🧘♀️
- Free Friday afternoon 💃🕺
- Monthly after-works and quarterly team buildings 👯👯
- 30 days working from abroad 🌍
- Birthday day off to celebrate your special day 🥳
- 23 vacation days 🌴
- 2 personal days 🪐
- L&D program focused on AI capabilities ✨
- Career development and continuous opportunities to grow 🧑💻
- An entrepreneurial atmosphere that fosters continuous innovation 🌟
- Company culture built on passion, trust, and constructive freedom 🙌
- Dynamic, young, and international environment with over 10 nationalities 💃🕺
An entrepreneurial environment that encourages continuous innovation🚀
Your Attitude
At The Keenfolks, we believe in pushing boundaries and that innovation requires vulnerability, which means taking calculated risks. We are constantly in search of greatness and never settle for just being good. We recognize and reward those who see themselves as change-makers and who are experimental in their approach. If you are an innovator who learns from every experience and has an entrepreneurial mindset, we want to connect with you.
Diversity Matters
The Keenfolks is an equal opportunity employer. We believe in true equality for all, and through our culture, corporate social responsibility, and day-to-day activities, we strive to have a positive impact on today’s society.
Want To Know More?
Follow us on LinkedIn & Instagram @the_keenfolks to learn more about our culture and values! 🚀
Sr Full Stack Developer
Office
Híbrido (Barcelona, Barcelona, España)
Full Time
October 9, 2025