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Senior Product Engineer (Backend) - NYC

Job Overview

Location

New York City

Job Type

Full-time

Category

Backend Engineer

Date Posted

May 28, 2026

Full Job Description

📋 Description

  • Senior Product Engineer (Backend) role focused on building AI-powered revenue infrastructure that processes over $1bn in annual invoice volume for high-growth companies like Cognition, incident.io, and MoonPay.
  • Day-to-day responsibilities include designing flexible approval workflows using natural language, building autonomous collections agents, and scaling billing infrastructure to handle 10x throughput while maintaining reliability and cost efficiency.
  • Join a lean, fast-growing engineering team of 20+ where you’ll have end-to-end ownership, direct customer access, and influence over foundational architecture in a revenue-critical platform.
  • Opportunity to ship impactful features like AI agent command centers, integrated e-signature flows, and role-based access controls while growing alongside a company that achieved 10x ARR growth and recently raised $20M Series A.

🎯 Requirements

  • Shipped production backend systems with focus on reliability over just 'it works'
  • Customer-centric mindset: understands the 'why' behind features, not just the 'what'
  • Comfortable with ambiguity, thrives in early ideation, shares work-in-progress for feedback, and adapts based on input
  • Clear communicator who values thoughtful collaboration to sharpen team output
  • Interest in distributed systems and writing resilient, scalable software
  • Nice to have: Deep relational database expertise for complex query performance

🏖️ Benefits

  • Salary range: $210,000 - $230,000
  • Meaningful share options (equity)
  • 20 days vacation plus national holidays
  • Competitive healthcare and 401K
  • Visa sponsorship available

Skills & Technologies

TypeScript
Kotlin
React
Spring
PostgreSQL
Backend
Senior
Onsite
$210k-230k

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About Sequence

Sequence is a leading platform that empowers businesses to build and launch sophisticated applications on the blockchain. It provides a comprehensive suite of tools and services, including a decentralized identity solution, smart contract development environment, and a robust infrastructure for managing digital assets. Sequence caters to a wide range of industries, from gaming and DeFi to supply chain and digital collectibles, enabling seamless integration of blockchain technology into existing business models. The company focuses on simplifying the complexities of Web3 development, making it accessible for both developers and end-users. Their mission is to accelerate the adoption of decentralized technologies by providing a user-friendly and scalable ecosystem.

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