Senior Software Engineer (Backend)

About Onos Health

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Onos Health’s mission is simple but ambitious: ensure every healthcare dollar goes toward delivering the highest quality care. Today, 30% of total U.S. healthcare spending is wasted due to ineffective care and administrative burden caused by misalignment between providers and payers.

Onos is addressing this by building the largest AI-driven healthcare data platform. Our models enables payers to make faster, more accurate decisions across their populations. By guiding members to the right care, Onos is channeling more dollars to high-quality care that drives better outcomes while making healthcare more affordable.

Onos is well-funded by some of the best healthcare investors and is working with the nation’s largest health plans. Come join a category-defining company and help reimagine healthcare for the better.

Why Onos?

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• Meaningful impact: Help fix what is fundamentally broken in healthcare
• Direct collaboration: Work alongside experienced founders with deep healthcare and data expertise
• Culture: Join a high-performing, transparent, and results-oriented team
• Ownership: Significant responsibility and autonomy from day one
• Opportunity: Play a pivotal role in building a fast-growing, category-defining healthcare AI company

The Role

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We're seeking an experienced Senior Backend Engineer who is motivated to meaningfully improve the way healthcare is administered in the United States. You'll take ownership in helping develop a significant part of the Onos platform through hands-on development. This role is a hybrid role based in San Francisco, where you'll be expected to work at our office in person 2-3 times a week.

What you'll be doing at Onos

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• Architect workflows that utilize AI/ML to process claims, medical records and other data types to evaluate the optimal care path for health plan members
• Lead the integration and roll...