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With Sonia, doctors are successful doctors. We create and deploy AI enhanced solutions that make doctors’ lives easier, patients’ care better, and healthcare systems more efficient. If you’re proactive, impact-driven, and ready to shape the future of healthcare, join us.
We’re looking for a Senior Full-Stack Engineer (all) to help us build modern, high-performing web applications. You’ll play a key role in shaping our architecture, mentoring team members, and contributing to the scalability of our product.
Tasks
- Design and implement robust, scalable full-stack web applications
- Write clean, maintainable, and testable code following best practices
- Collaborate on architecture decisions and long-term technical planning
- Optimize application performance and improve system reliability
- Mentor junior developers and support their growth
- Conduct code reviews and share constructive feedback
- Contribute to technical documentation and knowledge sharing
Requirements
Required Qualifications (Must-Have):
- 8+ years of professional software development experience
- Strong expertise in TypeScript / JavaScript and Node.js
- Proven experience with React and modern front-end development
- Solid understanding of full-stack development principles
- Hands-on experience with ORM tools, especially Prisma
- Experience in backend development with Node.js
- Familiarity with RESTful API design and implementation
- Understanding of CI/CD pipelines
- Proficiency with Git version control
- Experience with database design and data modeling
Nice to Have
- Experience with Remix or other server-side rendering (SSR) frameworks
- Familiarity with Chakra UI
- Experience with testing frameworks (e.g., Playwright, Vitest)
Benefits
- An engineering-driven culture with modern tools and clean code practices
- A product-focused environment where quality and performance matter
- A collaborative team that values learning, pragmatism, and ownership
- Attractive compensation aligned with your skills
- Flexible work arrangements, full remote within Germany or Luxembourg possible
- 30 days of vacation per year
If you're passionate about web development and want to work with cutting-edge technologies, we'd love to hear from you!
I'm Margarita and will be guiding you through the application process.
Key Skills
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