Senior Engineer, Core Api (Ai)

TL;DR

Senior Engineer, Core API (AI): Responsible for building and evolving the core backend systems and shared infrastructure that power the hirify.global platform with an accent on defining, maintaining, and scaling that foundation. Focus on improving reliability, observability, and execution guarantees for distributed workloads while ensuring performance and backward compatibility across teams.

Location: Livingston, NJ / New York, NY / Sunnyvale, CA / Bellevue, WA. While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets.

Salary: $165,000 to $242,000

Company

hirify.global is The Essential Cloud for AI™ delivering a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence.

What you will do

• Build and evolve the core backend systems and shared infrastructure that power our platform.
• Own and improve internal schema and code generation tooling that ensures consistency and correctness across services.
• Work on and extend our custom job scheduler, improving reliability, observability, and execution guarantees for distributed workloads.
• Play a key role in defining and maintaining API standards across teams, ensuring performance, backward compatibility, and clear evolution strategies.
• Collaborate closely with Product and various Engineering teams to design systems that are reliable, scalable, and maintainable over time.

Requirements

• 5+ years of backend engineering experience building and operating production systems.
• Proven experience designing and maintaining distributed systems at scale.
• Hands-on experience designing and evolving APIs (REST, GraphQL, and/or gRPC).
• Strong proficiency in Go, Python, or a comparable backend systems language.
• Experience implementing concurrency and parallelism patterns in production systems.
• Demonstrated ownership of shared infrastructure, internal platforms, or developer tooling used by multiple teams.
• Experience diagnosing and optimizing system performance, including CPU, memory, I/O, and network bottlenecks.
• Applicant must either be (A) a U.S. person.

Nice to have

• Familiarity with schema management, code generation tools, or interface definition systems (e.g., protobuf, OpenAPI, GraphQL schemas).
• Experience building or operating custom job schedulers, workflow engines, or execution frameworks.
• Experience defining cross-team API standards and governance models.
• Background in high-scale data or ML infrastructure systems.
• Experience improving reliability through observability, metrics, and SLO-driven development practices.

Culture & Benefits

• Medical, dental, and vision insurance - 100% paid for by hirify.global
• Flexible Spending Account
• Health Savings Account
• 401(k) with a generous employer match
• Flexible PTO
• A casual work environment
• A work culture focused on innovative disruption