Top Tech Jobs & Startup Jobs in Los Angeles, CA

Design, build, and operate cross-team authentication, authorization, and platform frameworks. Improve performance, scalability, observability, CI/CD, and developer productivity. Lead multi-system initiatives, mentor engineers, and ensure secure, reliable, compliant platform services.

Lead architecture and technical direction for data integrations moving clinical and financial data at scale. Design orchestration, pipelines, data stores, observability, security/compliance, and mentor engineers while owning end-to-end cross-system initiatives and reliability.

Design and own an immutable, event-oriented accounts and ledgering system for RCM. Build idempotent posting/adjustment pipelines, reconcile billed charges, remittances, and bank deposits, ensure report consistency, operate money-critical Postgres systems, and set observability, security, and operational standards while mentoring senior engineers.

Build and maintain the Claims Submissions system: clearinghouse integrations, claim generation (EDI, CMS-1500/1450, CDT), routing logic, scalable rule engine, end-to-end integration, architectural improvements, mentoring, code review, and production monitoring for high-volume RCM workflows.

Lead design, build, and scale full-stack features for the Insights practice management platform using React, Python, and PostgreSQL. Improve reliability, observability, performance, and availability. Collaborate with infra and backend teams, mentor engineers, conduct code reviews, and drive architectural improvements while delivering high-impact projects aligned with product and design.

Build LLM-powered automation and a scalable rule engine to autonomously fix denied claims. Design safety guardrails, observability, and QA gates; generate appeals and record packets; deliver an automations console and end-to-end integrations. Influence RCM platform architecture, mentor engineers, conduct code reviews, and operate production deployments.

Lead the technical direction for biller-workflow platforms, define frontend/backend standards, solve cross-team problems (data-dense UIs, bulk operations, unified claim timelines), embed AI where valuable, ensure production reliability and performance, and mentor engineers while partnering with product and design to ship incremental, high-impact improvements.

Design, build, and maintain end-to-end integrations between Commures platform and third-party healthcare systems (EHRs/EMRs). Implement scalable, reliable solutions using LLMs and modern cloud tooling, ensure HL7/FHIR and HIPAA compliance, troubleshoot production issues, mentor junior engineers, and drive integration platform architecture and monitoring.

Design and build scalable integrations between Commure and third-party healthcare systems (EHRs/insurers), leverage LLMs to interpret EHR data, ensure HL7/FHIR/HIPAA compliance, own end-to-end workflows, troubleshoot and optimize production reliability, mentor junior engineers, and drive integration platform architecture and monitoring.

The Senior Fullstack Engineer will lead the design and development of scalable software solutions, enhancing product architecture, collaborating with cross-functional teams, and promoting coding best practices.