Senior Backend Engineer - Client Integrations (USA)

Role overview

Build and maintain backend systems that connect customers’ workflows to a business software platform. The work spans external-facing APIs, third-party integrations, database performance, and reliable application logic. You will partner with engineers across product, data, machine learning, and operations in a globally distributed team, with substantial ownership over projects and their outcomes.

Responsibilities

- Design, implement, and maintain APIs used in customer-facing workflows. - Build integrations with external services and translate product needs into dependable backend behavior. - Improve database performance, query efficiency, and overall platform stability. - Investigate customer-reported issues, diagnose causes, and deliver fixes. - Collaborate with full-stack, data, machine-learning, and DevOps colleagues on scalable solutions. - Take projects from planning through delivery, communicating progress and surfacing blockers.

Requirements

- At least five years of software engineering experience, ideally including external APIs or third-party integrations. - Strong foundations in system design, debugging, and practical problem-solving. - Experience with Python or another object-oriented programming language; Python is the primary language used in the role. - Familiarity with cloud environments, serverless technologies such as Lambda or EC2, and asynchronous workflows. - Comfort working with relational databases; PostgreSQL experience is preferred. - Ability to take ownership, communicate proactively, and iterate on solutions through experimentation.

Nice to have

Experience with large language models or generative AI and distributed systems.

Benefits and work setup

The position is full-time and remote within the United States. The stated estimated salary range is $192,000–$246,000 USD, with final compensation depending on experience, interview performance, and location. The package also includes equity options, 20 days of paid time off, global team gatherings, gym and phone reimbursements, a student stipend, and a 401(k) plan.