Senior Backend Engineer: External Booking API Lead

Alexander Chapman Ltd; New York (NY); On-site; USD 140,000 - 210,000; Full time

Job summary

Alexander Chapman Ltd. is seeking a Senior Backend Engineer to serve as the primary hands-on builder of the external booking API. You will own its technical roadmap and shape how live pricing, availability, holds, reservations, changes, and cancellations work across the platform.

In NYC, four days a week in the office, you’ll work with a Staff Engineer to craft a system central to the company’s growth and partner network, with emphasis on reliability and scalable architecture.

Qualifications

• Proven backend development experience with scalable, transactional systems.
• Strong focus on API design and integration with external partners.
• Ability to drive architecture decisions and own critical parts of the platform.

Responsibilities

• Lead the build of the external booking API and own its technical roadmap.
• Collaborate with staff engineers and product teams to ensure reliability and scale.
• Define patterns for integration, error handling, and data consistency across partners.

Skills

API design

Backend development

System architecture

External APIs

Transactional systems

Tools

Rails

Node.js

PostgreSQL

MongoDB

AWS

OpenSearch

Datadog

Job description

Alexander Chapman Ltd. is seeking a Senior Backend Engineer to serve as the primary hands-on builder of the external booking API. You will own its technical roadmap and shape how live pricing, availability, holds, reservations, changes, and cancellations work across the platform.

In NYC, four days a week in the office, you’ll work with a Staff Engineer to craft a system central to the company’s growth and partner network, with emphasis on reliability and scalable architecture.