DescriptionStaff Software Engineer, Accounts & Ledgering

MISSION & MISSION, LLC
Los Angeles, CA, United States
8 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Experienced
Experience required
3 years minimum
Compensation
$210,000.0 - $275,000.0
Working hours
Regular working hours

Tech stack

Application Programming Interfaces (APIs) Python (Programming Language) PostgreSQL SQL Databases Backend Event Driven Architecture Restful APIs Dynatrace

Job description

Commure is hiring a Staff Software Engineer (8+ years backend, 3+ years building financial systems from 0 to 1) who has built a double-entry payment ledger and has deep expertise in accounts and ledgering: payments, billing, reconciliation, ledgers or accounting. You will own the full architecture of money-critical systems at scale, with immutable, event-oriented data models where correctness is non-negotiable.

What You Will Do

  • Design and operate a double-entry payment ledger and the next-generation account and ledger model, with invariants that make it structurally impossible to “print money”.
  • Own the full money path: insurance ledger, posting and adjustment engines, patient account ledgers, bank reconciliation and AR reporting.
  • Reconcile billed charges, payer remittances, bank deposits and financial reports, and surface discrepancies before customers do.
  • Scale idempotent, explainable posting pipelines using negation/reversal semantics.
  • Operate money-critical systems on very large Postgres tables with safe migrations, projections, backfills and incident response.
  • Set the bar for observability and operational readiness, and mentor senior and staff engineers.

Requirements

  • 8+ years building backend systems, including 3+ years designing and operating financial systems from 0 to 1
  • Hands-on experience building a double-entry payment ledger
  • Deep expertise in payments, billing, reconciliation, ledgers or accounting
  • Immutable, event-oriented data modeling where correctness is non-negotiable
  • Strong Python, PostgreSQL and SQL

Nice to Have

  • Healthcare revenue cycle, insurance remittance (835/ERA) or bank reconciliation experience

Tech Stack

Python, PostgreSQL, event-driven architecture, SQL, REST APIs, distributed tracing, CDC, bank APIs, BAI2, OCR

About the company

Commure’s mission is to simplify healthcare. Its growing suite of AI solutions spans ambient clinical documentation, provider copilots, autonomous coding, revenue cycle management and more, so providers and administrators can focus on care. Commure powers over 500,000 clinicians in a $4.5 trillion industry that spends more than $500 billion a year on administration.

Commure is a later-stage (Series D+) company that has raised $800M+.

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