Senior Software Engineer, Backend (Booking APIs)

Location: New York City, United States; four days per week in the office

Salary: $190,000–$210,000 base plus equity

Company

hirify.global is a specialist recruitment partner connecting AI, machine learning, data, and engineering talent with technology companies.

What you will do

• Build and own external APIs for pricing, holds, bookings, modifications, cancellations, and live inventory.
• Design reliable transactional workflows across bookings, payments, orders, reservations, and inventory.
• Develop domain and relational data models for varied products and booking rules.
• Partner with senior technical leadership on foundational architecture and long-term platform decisions.
• Create reusable integration patterns for partner connectors.
• Own systems through design, implementation, testing, observability, deployment, and production performance.

Requirements

• 6+ years of hands-on backend or platform engineering experience.
• Experience personally designing and shipping significant production systems; purely architectural or managerial experience is insufficient.
• Hands-on ownership of a correctness-critical transactional production system, such as booking, payments, orders, reservations, inventory, or ticketing.
• Strong API design, domain-modeling, or relational data-modeling experience.
• Excellent computer science and software-engineering fundamentals with sound architectural judgment.
• High ownership, product awareness, and effective collaboration with engineering, product, and business stakeholders.
• Must remain an individual contributor and write production code rather than move into pure management or architecture.
• Must be able to work from the New York City office four days per week.

Nice to have

• Experience across several areas of API design, domain modeling, and relational data modeling.

Culture & Benefits

• Permanent position with $190,000–$210,000 base compensation plus equity.
• Own a technically difficult, company-level platform with direct business impact.
• Remain hands-on while expanding architectural ownership toward Staff-level scope.
• Work in a lean engineering organization where individual engineers can influence systems, product decisions, hiring, and engineering culture.
• Visa sponsorship is generally not available.