Staff Software Engineer - Biller Workflows

raydar; Mountain View, Northern (CA, KY); Hybrid; USD 210,000 - 275,000; Full time

Benefits offered by this job

Competitive salary

Equity grant (approx. $500K-$900K over

Hybrid work from Mountain View, SF, LA

Visa transfers supported

High-impact technical leadership

Job summary

Raydar is seeking a Staff Software Engineer to own the biller-workflow platform across practice-management and revenue-cycle products in Mountain View. This is a full-stack role with a ~60/40 backend/frontend split, leading a generational rebuild of high-traffic workflows for claims, payments, posting, and related billing operations to serve enterprise clients.

You will define frontend and backend architecture, APIs, data-layer patterns, and observability; lead multi-month migrations and ship

Qualifications

• 8+ years building large-scale full-stack apps; senior or staff leadership.
• Deep expertise in TS, React, Python, FastAPI, PostgreSQL.
• Experience with billing/claims data (EOBs, payments, posting).
• Led multi-team platform rebuilds and incremental production delivery.
• Frontend architecture leadership; design-system adoption.
• Strong API and data-layer design for large datasets.
• CS degree or equivalent engineering background.
• Thrives in fast-paced, high-ownership environments.

Responsibilities

• Define frontend and backend architecture, shared conventions, API contracts, data-layer patterns, and observability practices.
• Lead multi-month, multi-team platform rebuilds and migrations, shipping incremental improvements.
• Build data-dense, high-performance interfaces for complex tables and bulk actions.
• Design performant APIs and PostgreSQL query patterns for large datasets.
• Diagnose and improve React rendering and query performance; ensure health of pipelines.
• Embed AI into production workflows to reduce operational friction and suggest rules.

Skills

TypeScript

React

Python

FastAPI

PostgreSQL

Education

Bachelor's degree in Computer Science or related field

Tools

PostgreSQL

Job description

# Staff Software Engineer - Biller WorkflowsHigh-growth healthcare technology company* LocationMountain View, California* TypeFull-time* Posted23 September 2026Apply for this roleTalk to us firstYou apply on Workable, where Raydar manages applications.The role, as published## About the companyOur client is a high-growth healthcare technology company building AI-powered clinical and administrative software for care providers. Its platform supports more than 500,000 clinicians across hundreds of healthcare organizations, powers more than 100 million patient interactions, and processes more than $10 billion through its systems. The company is backed by leading venture investors, has raised more than $800 million, and was recently valued at $7 billion.## The role and why it mattersYou will set the technical direction for the biller-workflow platform used across the company's practice-management and revenue-cycle products. This is a staff-level, full-stack role with an approximately 60/40 backend-to-frontend split. You will lead a generational rebuild of high-traffic workflows for claims, appointments, payments, posting, and other billing operations while keeping mature production systems reliable for enterprise customers.## What you'll do* Define frontend and backend architecture, shared component conventions, API contracts, data-layer patterns, and observability practices across multiple engineering teams.* **Lead multi-month**, multi-team platform rebuilds and migrations, shipping incremental improvements without breaking existing users.* **Build data-dense**, high-performance interfaces for complex tables, virtualized rendering, keyboard-driven workflows, bulk actions, and activity timelines.* **Design performant APIs** and PostgreSQL query patterns for filtering, grouping, pagination, and bulk operations over large datasets.* Diagnose and improve React rendering performance, query performance, replica-lag handling, and claim-submission pipeline health.* Embed AI into production workflows where it removes meaningful operational friction, including claim comparison, submission-error reasoning, and rule suggestions.* **Drive architecture reviews**, deep code reviews, technical standards, and mentorship that raise the engineering bar across teams.* **Work closely with clinicians**, billing operators, product, and design partners through rapid feedback loops.## What we're looking for* 8 or more years of experience building large-scale full-stack applications, with prior senior or staff-level technical leadership.* Deep expertise in TypeScript, React, Python, FastAPI, and PostgreSQL.* Direct experience working with billing or claims data, such as EOBs, denial codes, appointments, payments, posting, or related enterprise workflows.* A record of leading large, multi-team platform rebuilds or migrations and delivering them incrementally in production.* Org-wide frontend architecture leadership, including adoption of a design system, shared component library, or common frontend platform across a large engineering organization.* Strong API and data-layer design skills for complex filtering, grouping, pagination, and large-scale query performance.* Ability to align engineering leadership and multiple teams around a shared technical direction through clear written and verbal communication.* A computer science degree or equivalent engineering background.* Comfort operating in a fast-paced, high-growth environment with daily deployments and high ownership.## Bonus points* Healthcare billing, revenue-cycle management, insurance, fintech, or another regulated-industry SaaS background.* Experience shipping LLM-powered features into production workflows.* Experience with EDI X12 or other healthcare-data standards.## **Benefits*** $210K-$275K base salary, with flexibility for exceptional candidates.* Competitive equity, with the expected grant described by the hiring team as approximately $500K-$900K over four years.* Full-time hybrid work from Mountain View, San Francisco, Los Angeles, or New York City.* Existing visa transfers, including eligible OPT and H-1B transfers, may be supported.* Meaningful technical influence at a high-growth company whose platform is already used at significant healthcare scale.