Full- Stack Engineer

Join the mission to transform healthcare with Yazen health Do you want to build technology that truly changes lives? At Yazen health, we’re not just another health tech company — we’re redefining how obesity is treated, combining medical expertise, behavioral science, and smart technology to help people achieve lasting, healthy change. We’re expanding fast across Europe and are looking for a Full-Stack Engineer who’s ready to create impact, shape the future of digital healthcare, and grow with us. Yazen was recently ranked #2 fastest-growing company in Europe by Sifted’s 2025 Startup Europe Leaderboard — and the #1 in the Nordics and Benelux with a revenue growth of nearly 80x in just two years

About Yazen Health We believe healthcare should be personal, compassionate, and data-driven.

At Yazen, you’ll join a small, passionate team where ideas matter and ownership is real. Our work spans everything from patient-facing apps and journal systems to clinical tools and content creation — all with one goal: to make high-quality care accessible and effective. If you’re driven by purpose, love solving tough problems, and want to see your code make a difference in people’s lives, you’ll fit right in.

Your Role

As a Full-Stack Engineer, you’ll be at the heart of our product development — turning ideas into experiences that inspire and empower our users. You will:

• Collaborate with designers, developers, and product minds to craft seamless, full-stack solutions that make healthcare smarter.
• Build and refine both front-end and back-end features for performance, reliability, and beauty.
• Write clean, maintainable, and testable code — and continuously raise the bar for quality.
• Explore, evaluate, and implement new technologies that make us faster, smarter, and more effective.
• Troubleshoot issues and deliver solutions with empathy — because every bug fixed means a better experience for a patient.

Our Tech Stack

• Front-end: React, React Native, Expo
• Back-end: Firebase, Node.js
• Tools & Infrastructure: GitHub, Google Cloud Platform (GCP)

What We Value

• A passion for using technology to improve people’s health.
• Curiosity and adaptability in a fast-moving environment.
• A proactive, hands-on attitude — you make things happen.
• Great communication skills, especially in remote teams.
• A collaborative spirit and appreciation for feedback.
• Comfort with using data to guide and measure your work.
• What We’re Looking For
• Experience with React and Node.js (React Native and Firebase are bonuses).
• Solid understanding of modern JavaScript, TypeScript, and CSS.
• Strong problem-solving skills and a creative mindset.
• Excellent communication and teamwork abilities.
• Ability to self-manage, prioritize, and deliver on time.
• Based in Sweden is a plus (valid work permit required).
• What Makes You Stand Out
• You take initiative — you don’t wait to be told what to do.
• You’re obsessed with quality and user experience.
• You love learning, sharing, and collaborating.
• You want your work to mean something — to have real human impact.

What We Offer

• A mission-driven environment where your work directly helps people live healthier lives.
• Flexible remote work with a team that values trust and transparency.
• A culture of continuous learning and personal growth.
• The chance to be part of a fast-growing, innovative healthcare scale-up shaping the future of obesity treatment.