Senior Backend Engineer - Client integrations; Europe

About the role

Salary range: $85k -- $155k USD*

We are looking for smart engineers who love to code, seek challenging problems, and appreciate recognition for excellent work. As part of the Client Integrations team, you will work on the external‑facing APIs that power our customers' core workflows. Your day‑to‑day will involve designing and building API endpoints, improving database and query performance, and integrating with a wide range of third‑party services.

You will translate product requirements into reliable business logic, help diagnose and resolve customer issues, and contribute to making our platform faster, more stable, and easier to use.

You will collaborate with a global team of full‑stack, data, ML, and Dev Ops engineers to build scalable backend solutions as we continue to grow.

• Have 5 years of software engineering experience, ideally with time spent building external‑facing APIs or designing integrations with third‑party systems.
• Embodies hustle and grit, are excellent at your craft and relentless in pursuing it.
• Take full ownership of your work and drive projects to completion with minimal oversight.
• Communicate proactively, surfacing blockers, asking the right questions, and keeping stakeholders in the loop.
• Thrive on experimentation: you’re comfortable testing ideas, measuring results, and iterating quickly on problems no one has solved before.
• Have strong fundamentals in system design, debugging, and problem‑solving.
• Know Python (our main stack), though we’re open to strong candidates from other OO backgrounds.
• Have experience with serverless technologies (Lambda, EC2), asynchronous workflows, and cloud environments.
• Are comfortable with relational databases, ideally Postgre
  
  SQL.
• Bonus: experience with LLMs/generative AI and distributed systems.

• Competitive salary (based on experience level).
• Significant equity options package.
• Work with an ambitious, smart, global, and fun team to transform a $1T global industry.
• 20 days of PTO a year.
• Global team offsites.
• Gym reimbursement.
• Phone reimbursement.
• Student stipend.

* The salary range listed is an estimate and will vary based on a variety of factors. Final compensation will be determined during the offer stage based on relevant experience, performance during the interview process, and geographic location, and may therefore differ from the posted range.