Senior Full-Stack Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full-Stack Engineer based in Switzerland.

This is a senior engineering opportunity within a fast-growing consumer AI platform serving students across multiple international <markets.You> will play a key role in building and evolving products used by a rapidly expanding global user base.The position combines full-stack development with technical leadership and ownership of mobile <experiences.You> will work across modern web and mobile technologies, collaborating closely with engineering and product <leadership.As> the first dedicated senior/staff-level mobile lead, you will have significant influence over the architecture, quality, and direction of the mobile application.The environment is remote-first, collaborative, and highly autonomous, with a small engineering team where individual contributions have visible impact.This role is ideal for an experienced full-stack engineer who enjoys hands-on development, technical ownership, and mentoring other engineers.

Accountabilities

• Take senior-level ownership of full-stack product development across web and mobile applications.
• Lead the technical direction and end-to-end development of the mobile application, working closely with engineering and product leadership.
• Contribute to the development and evolution of React Native applications, including architecture, performance, reliability, and user experience.
• Design, build, and maintain scalable frontend and backend systems using TypeScript and the broader technology stack.
• Develop modern web experiences using React.js, Next.js, HTML, CSS, and Tailwind.
• Build and maintain backend services and APIs using Node.js, Nest.js, Prisma, and AWS.
• Collaborate with product and engineering stakeholders to translate product requirements into robust, maintainable technical solutions.
• Establish and maintain high engineering standards, including code quality, testing, documentation, version control, and collaborative development practices.
• Contribute to technical architecture decisions and continuously improve application performance, scalability, and reliability.
• Support automated and end-to-end testing practices, including Playwright where appropriate.
• Mentor, guide, and support other engineers while helping raise the team's technical capabilities.
• Lead and manage engineering initiatives, balancing hands-on development with technical leadership and team coordination.
• Identify opportunities to improve development workflows, engineering processes, and the overall product development lifecycle.

Requirements

• At least 5 years of professional experience as a Full-Stack Engineer.
• Strong proficiency in TypeScript, HTML, and CSS.
• Hands-on experience with Node.js, React.js, Next.js, Nest.js, Prisma, and Tailwind.
• Experience developing and maintaining modern web applications and backend services.
• Experience with React Native and mobile application development, with the ability to take ownership of mobile architecture and delivery.
• Strong understanding of Git and collaborative software development workflows.
• Experience leading or managing engineering teams, projects, or technical initiatives.
• Strong software engineering fundamentals, including clean architecture, maintainable code, debugging, testing, and performance optimization.
• Ability to work effectively across the frontend, backend, and mobile layers of a product.
• Strong communication and collaboration skills, with the ability to work closely with product and engineering leadership.
• High degree of ownership, autonomy, and accountability in a remote working environment.
• Experience writing end-to-end tests with Playwright is a plus.
• Experience with Python is a plus.
• Familiarity with Jotai, Zustand, Redux, or similar state-management solutions is a plus.
• Experience with Expo and AWS is advantageous.

Benefits

• Fully remote opportunity within Europe, with a preference for candidates based in Western or continental Europe.
• Full-time employment or independent contractor engagement options.
• Flexible salary with no fixed compensation budget, allowing offers to reflect experience and seniority.
• Stock options.
• Opportunity to become the first dedicated senior/staff-level mobile engineering lead within the team.
• Significant technical ownership over the mobile application and influence on product and engineering direction.
• Opportunity to work with a modern technology stack including Node.js, React.js, React Native, Next.js, Nest.js, Expo, Prisma, Tailwind, and AWS.
• Direct collaboration with engineering and product leadership in a small, high-impact team.
• Remote-first environment with substantial autonomy and flexibility.
• Opportunity to work on consumer AI products used by a rapidly growing international student community.