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SequenceSequenceNew York, NY

Product Engineer - NYC

Builds revenue-critical backend systems including AI-powered approval workflows, intelligent collections agents, and scalable billing infrastructure. Ships reliable production code end-to-end, focusing on distributed systems, customer needs, and high-velocity event processing.

180k – 190k/yr
HybridBackend Engineering

About the role

What you'll be doing

  • AI-powered approval workflows: Build flexible routing configured in natural language that turns into deterministic, auditable business logic.
  • Intelligent collections agent: Instruct in natural language to run autonomous workflows for chasing late payments.
  • Scaling billing infrastructure 10x: Rethink storage, horizontal scalability, and handle 10x load without 10x cost.

Design systems that process high-velocity event streams, balance cost and performance at scale, and ensure reliability for revenue-critical infrastructure.

You should apply if

  • Shipped production backend systems and care about reliability.
  • Care about customers and understand why you're building.
  • Comfortable with ambiguity, thrive in ideation, adapt based on feedback.
  • Communicate clearly.
  • Interested in distributed systems and resilient software.

Nice to have: Deep relational database expertise.

Tech stack

Backend: Kotlin (Http4k, Spring Boot, Exposed, Result4k)
Storage: Postgres, BigQuery
Async messaging: Google Cloud Pub/Sub
Infrastructure: Google Cloud, Terraform
Frontend: TypeScript, React
Monitoring: Google Cloud Monitoring, Sentry
Tools: GitHub, Slack, Notion, Linear

What we offer (New York)

Salary: $180,000 to $190,000
Equity: Meaningful share options
Vacation: 20 days plus national holidays
Benefits: Competitive healthcare and 401K
Visa sponsorship: Available

Skills

KotlinPostgresBigQueryGoogle Cloud Pub/SubGCPTerraformTypeScriptReactSpring BootHttp4K

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