Senior Full Stack Engineer - Core UX (Europe)

About the Role

Salary range: $80k–$165k USD*

We are looking for smart engineers who love to code, seek challenging problems, and appreciate recognition for excellent work. As part of the Core UX team, you will focus on refining existing product functionality to deliver an exceptional user experience. Your work will center on ensuring consistency across the product, maintaining a cohesive look and feel, and implementing performance improvements that directly impact end users. You will pay close attention to layout, interactions, responsiveness, and visual polish that collectively give the product a premium, well-crafted feel. This role is ideal for someone who enjoys iterative improvement, cares deeply about quality, and wants to shape the everyday experience of users.

You will collaborate with a global team of full-stack, data, ML, and DevOps engineers to build scalable backend solutions as the team continues to grow. This is a small team where individual contributions have an outsized impact on both technology and business.

Qualifications

• 5+ years of software engineering experience, ideally with a track record of improving and polishing functionalities to deliver a premium user experience.
• Hustle and grit, excellence in your craft, and relentless pursuit of results.
• Ownership of work and ability to drive projects to completion with minimal oversight.
• Proactive communication, including surfacing blockers, asking the right questions, and keeping stakeholders informed.
• Comfort testing ideas, measuring results, and iterating quickly on unsolved problems.
• Strong fundamentals in system design, debugging, and problem-solving.
• Experience with a modern frontend framework, preferably React.
• Knowledge of JavaScript, TypeScript, or Python; strong candidates from other object-oriented backgrounds are also welcome.
• Experience with serverless technologies (Lambda, EC2), asynchronous workflows, and cloud environments.
• Comfort with relational databases, ideally PostgreSQL.
• Bonus: experience with LLMs/generative AI and distributed systems.

Benefits

• Competitive salary based on experience level.*
• Significant equity options package.
• Work with an ambitious, smart, global, and fun team to transform a $7T global industry.
• 20 days of PTO per year.
• Global team offsites.
• Phone reimbursement.
• Gym reimbursement.
• Student stipend.

*The listed salary range is an estimate and varies based on factors including relevant experience, interview performance, and geographic location. Final compensation is determined during the offer stage and may differ from the posted range.