Sonia Solutions is hiring a Senior TypeScript Full Stack Developer to build modern, high-performing web applications. In this role, you will play a key part in shaping our architecture, mentoring team members, and contributing directly to product scalability within our proactive, impact-driven culture.
What You'll Do
- 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.
What We're Looking For
- 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.
- Expertise 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).
Technical Stack
- Languages: TypeScript, JavaScript
- Runtime: Node.js
- Frontend: React
- Data Layer: Prisma
- Architecture: RESTful API
- Version Control: Git
Benefits & Compensation
- Engineering-driven culture with modern tools and clean code practices.
- Product-focused environment where quality and performance matter.
- Collaborative team that values learning, pragmatism, and ownership.
- Attractive compensation aligned with your skills.
- Flexible work arrangements, with full remote within Germany or Luxembourg possible.
- 30 days of vacation per year.
- Professional development allowance.
Work Mode
This role is local-country, open to candidates based in Germany or Luxembourg.
Sonia Solutions is an equal opportunity employer.
