Senior Backend Software Engineer
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Salary
$158k – $208k per year
Location
Hybrid (Los Angeles, United States)
Seniority
Senior · 5+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Sep 25, 2026.
Overview
Company
Impact
Profile match
Oscar Health is a technology-driven health insurance company headquartered in New York that sells individual and family plans on the Affordable Care Act marketplaces, along with small group and Medicare Advantage products. Founded in 2012 by Mario Schlosser, Joshua Kushner and Kevin Nazemi, it is listed on the New York Stock Exchange and builds its own full-stack platform for members, providers and virtual care. It hires software and AI engineers, data scientists, product managers, finance and planning staff, provider and credentialing operations managers, growth strategists and special investigations analysts.
Backed by General Catalyst, Coatue, Khosla Ventures
Join our team as a Senior Backend Software Engineer, where you will build reliable and maintainable applications, infrastructure, and interfaces to improve interactions with the healthcare system. You will collaborate with partners, product managers, and designers to solve challenging problems, lead the planning and execution of complex technical projects, and own small to medium features or infrastructure projects from technical design through completion. You should have 5+ years of professional software engineering experience, experience with data and engineering tooling, and experience supporting libraries and writing in Python and Golang.
Missions
- Construire des applications, des infrastructures et des interfaces fiables et maintenables pour faciliter l'interaction avec le système de santé.
- Collaborer avec des partenaires, des chefs de produit et des designers pour résoudre des problèmes complexes et améliorer la technologie.
- Diriger la planification, l'exécution et la publication de projets techniques complexes, en possédant des fonctionnalités ou des projets d'infrastructure de petite à moyenne taille.
Profil recherché
- Demonstrates solid understanding of the practical application of CS concepts within their team- Experience with technical contributions, improving the quality of what you create, and are excited to build fault-tolerant, and scalable software systems
- 5+ years of professional software engineering experience, working with a variety of technologies, and have increasingly impactful accomplishments
- Experience proposing, experimenting, and iterating, whether it be a new shiny technology or an arcane, ill-conceived data structure; our company may be new, but the health industry isn't!
- Consistently writes stable, correct, and maintainable code with little oversight; writes modular, adaptable code with guidance
- Experience working in data and engineering tooling, e.g. discovery libraries, data replication, data transfer tools, authentication, authorization libraries
- Experience owning observability stack tooling, e.g. Grafana, BigQuery, Kubernetes
- Experience supporting libraries and writing in Python and Golang
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