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Staff Software Engineer (Biller Workflows)

Athelas

RemoteFull timeMid level$210k – $275kPosted today
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About the role

  • You’ll build AI-native software that makes medical billers dramatically more productive
  • Billing in America is a messy, meticulous, and a largely manual process
  • Hospitals have to throw huge administrative teams at it, and small practices bleed cash flow as they struggle to use outdated tools
  • Our team, Air Billing, is behind the highest-traffic surfaces in our practice management product: claims, appointments, and payments posting—the workspaces billers and practice staff live in all day
  • These aren’t basic CRUD screens; they’re fast, data-dense, keyboard-driven workflows over millions of claims, sitting on real healthcare plumbing (EDI transactions, payer automations)
  • AI is central to how we drive productivity, but we don’t solve everything with an agent
  • We only put LLMs in the loop where day-to-day friction is highest
  • We’re mid-way through a generational rebuild of these surfaces, and of the frontend and backend architecture beneath them, to keep pace with the company’s growth
  • As a Staff Software Product Engineer, you’ll set the technical direction for that rebuild—across multiple teams, not within a single one
  • Our stack is React 19 / TypeScript on the frontend and Python/FastAPI + PostgreSQL on the backend, with a columnar warehouse for analytics
  • This is a staff-level role: your job is to raise the ceiling for every team building biller workflows, not to be the fastest individual contributor
  • Set the technical direction for the biller-workflow platform—the frontend and backend architecture that multiple teams build on—and drive it to adoption across the RCM engineering org
  • Establish the standards and patterns other teams follow: component and design-system conventions, data-fetching and API contracts, testing, and observability practices that keep a large, multi-team frontend consistent and fast
  • Lead the hardest cross-cutting problems end to end, partnering with the teams that own them:
  • Data-dense tables at scale—server-side grouping, filtering, and virtualized rendering over millions of records
  • Idempotent, queue-backed bulk operations that safely mutate tens of thousands of records with undo and auditability
  • A unified claim activity timeline across submissions, payer status, remittances, appeals, and prior auth
  • Embedding AI where it removes real friction—claim comparison, submission-error reasoning, and rule suggestions
  • Ensure engineering excellence across teams through architecture reviews, deep code review, and mentorship that levels up engineers beyond your immediate team
  • Own reliability and performance in production for these surfaces—render and query performance, replica-lag handling, and the health of claim-submission pipelines
  • Partner with product, design, and billing operations to turn the messiest parts of the billing workflow into software, with feedback loops measured in days, not quarters- Excellent communication — you can align both leadership and multiple engineering teams around a shared technical direction
  • Strong API and data-layer design — you set the conventions for REST endpoints handling filtering, grouping, and pagination over large datasets, and know how to optimize the queries behind them
  • Ownership mindset and strong bias for action — you’ve owned meaningful product surfaces and driven ambiguous work to completion in an unstructured environment
  • A track record leading multi-month, multi-team initiatives — you’ve driven a large migration or platform rebuild across several teams and shipped it incrementally without breaking users
  • Strong debugging and observability instincts — monitoring, logging, and alerting best practices
  • Deep expertise in TypeScript/React, Python, and PostgreSQL
  • 8+ years building large-scale, full-stack applications — setting technical direction and raising the bar across multiple teams
  • You can still go deep: diagnosing and fixing React rendering bottlenecks in complex, data-dense UIs
  • Org-wide frontend leadership — you’ve orchestrated the adoption of a design system or shared component architecture across a large organization, established the best practices and patterns behind it, and ensured engineering excellence across multiple teams contributing to one frontend
  • A force multiplier — you define conventions, review broadly, and mentor engineers across teams to raise the technical bar
  • Experience with analytical/OLAP stores (StarRocks, ClickHouse, Druid) alongside transactional PostgreSQL
  • Familiarity with healthcare billing data — EDI X12 (270/271, 276/277, 835, 837), clearinghouses, ERAs/EOBs, denial codes — or a demonstrated ability to master a gnarly domain quickly
  • Experience shipping LLM-powered features into production workflows, not just demos
  • Strong product intuition with a track record of influencing UX/UI decisions to improve usability
  • Experience with developer tooling and CI/CD pipelines for frontend applications
  • Experience working in highly regulated industries (healthcare, finance, insurance) with a focus on security and compliance
  • A passion for improving healthcare and healthcare operations in America\

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