Senior Full Stack Engineer - Core UX

Team: IT

Location: Switzerland

Commitment: Full-time

Workplace Type: remote

Accountabilities:

• Refine and improve existing product functionality with a strong focus on usability, consistency, responsiveness, performance, and visual quality.
• Build and maintain scalable full-stack solutions that support reliable, high-quality user experiences.
• Implement thoughtful frontend interactions and layouts while ensuring a cohesive experience across the product.
• Collaborate with full-stack, data, machine learning, and DevOps engineers to develop and evolve product capabilities.
• Contribute to system design, debugging, performance improvements, and technical problem-solving across the application stack.
• Take full ownership of assigned projects, driving initiatives from initial concept through implementation and completion with minimal oversight.
• Experiment with different technical and product approaches, measure outcomes, and iterate quickly to improve functionality and user impact.
• Communicate proactively with stakeholders, surface blockers, ask relevant questions, and provide clear updates throughout projects.
• Contribute to scalable cloud-based architectures, asynchronous workflows, and reliable backend solutions as the product continues to grow.

Requirements:

• 5+ years of professional software engineering experience, ideally with a strong track record of improving and polishing product functionality and user experiences.
• Strong engineering fundamentals in system design, debugging, architecture, and problem-solving.
• Professional experience with a modern frontend framework, preferably React.
• Strong programming experience with JavaScript, TypeScript, or Python; candidates with strong object-oriented programming backgrounds may also be considered.
• Experience with cloud and serverless technologies such as AWS Lambda and EC2, as well as asynchronous workflows and cloud-based environments.
• Comfortable working with relational databases, ideally PostgreSQL.
• Strong ownership mindset, with the ability to independently drive projects through completion and maintain high standards of quality.
• Proactive and transparent communication style, with the ability to collaborate effectively in a distributed international environment.
• Comfortable experimenting, testing ideas, measuring results, and iterating rapidly on complex or unfamiliar problems.
• Experience with LLMs, generative AI, or distributed systems is a plus.
• Ability to work from a European country where you are authorized to work; the engagement is offered on a B2B or contractor basis, with no visa sponsorship available.

Benefits:

• Salary range of approximately $80,000–$165,000 USD, depending on experience, performance, and geographic location.
• Significant equity options package.
• 20 days of paid time off per year.
• Opportunity to work with an ambitious, international, and multidisciplinary team on technology addressing a major global industry.
• Global team offsites and opportunities to connect with colleagues internationally.
• Phone reimbursement.
• Gym reimbursement.
• Student stipend.
• High level of ownership and the opportunity to make a substantial impact within a growth-stage environment.