Job Title: Software Engineer

Company Name: April

Job Url: https://www.ycombinator.com/companies/april/jobs/n9LdkKd-software-engineer-2?jr_id=69cce0d8cfdc6132f9414cc6

Job Description: About the role
Procindex (Our new product) is building AI agents for accounting operations. We automate workflows across AP, AR, approvals, cash application, and ERP-connected finance processes.

We’re a small startup team, so this is a high-ownership backend role. You’ll work directly with the founders, ship fast, solve real customer problems, and help shape both product and engineering decisions. This is not a “ticket-only” job. We want someone who is comfortable with ambiguity, can move independently, and enjoys building from 0 to 1.

What working at a startup means here:\

High ownership from day one\
Fast shipping and quick iteration based on customer feedback\
Solving messy real-world problems, not just building clean internal demos\
Making pragmatic engineering decisions without overengineering\
Working across product, backend, integrations, and production issues
What you’ll do:\

Build and maintain backend services and APIs\
Design systems for invoices, approvals, collections, matching, and reconciliation workflows\
Build integrations with ERPs, email systems, and third-party tools\
Work on AI agent workflows with proper guardrails, retries, logging, and fallbacks\
Improve database design, reliability, observability, and background job processing\
Debug production issues and help us move fast with early customers

What we’re looking for:\
3-6 years of backend engineering experience\
Strong coding skills in TypeScript / Node.js\
Good understanding of PostgreSQL, APIs, and backend system design\
Experience with async workflows, queues, and third-party integrations\
Comfortable working in a startup environment with speed and ambiguity\
Strong ownership and ability to execute without heavy hand-holding
Nice to have:\

Experience with AI agents / LLM products\
Experience with fintech, accounting, ERP, or workflow automation products\
Experience building multi-tenant SaaS systems\
Experience working at early stage startup.
About April
We’re April, an AI Executive Assistant for email & calendar - voice-first, productivity-obsessed, and backed by Y Combinator. We launched in August, have strong early traction, and are growing.

Our mission: give every busy professional the assistant they deserve.