Skip to content

Lead Engineer (Backend)

Leads backend development of AI-driven healthcare platform, architecting ML workflows for claims processing and care optimization. Owns end-to-end features, establishes best practices, and guides technical strategy with 5+ years experience and team leadership.

200k – 250kSan Francisco, CABackend EngineeringHybrid5+ YOE

About the role

Responsibilities

  • 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 rollout of the Onos platform for new enterprise customers to provide actionable insights and recommendations to health plan administrators
  • Own end-to-end development of new features and functionality for the Onos platform, including requirements gathering, scoping, architecting, implementation and testing
  • Establish engineering best practices and technical foundations for future team growth
  • Shape our technical roadmap, make key architectural decisions, and influence the company's product and technical strategy

Technical Challenges

  • Develop an intelligent engine that ingests complex medical standards of care documents and evaluates provider adherence to guidelines
  • Design and implement robust and extensible systems to easily support many different kinds of enterprise workflows and integrations
  • Build AI/ML pipelines to analyze handwritten clinical notes, accurately extract important medical information, and automate recommendations for clinical reviewers
  • Scale our systems to process millions of healthcare records while maintaining strict security and compliance requirements

Tech Stack

Infrastructure/Systems: AWS (ECS, Bedrock, Glue, etc.), Docker, Github Actions, Terraform
Backend: Python, Django, Celery / Celery Beat, django-ninja, django-tenants
Frontend: NextJS, Typescript, Tanstack Query, Shadcn UI, Zod, Nuqs
Database/Storage: PostgreSQL (AWS RDS), S3, Clickhouse
Development Tools: Github, Jira, Claude Code, CoderabbitAI, Tusk

Requirements

  • 5+ years experience building software applications
  • Prior experience leading engineering teams as a tech lead or engineering manager
  • Strong product sense and system design skills with a track record of defining clear requirements, test scenarios, and acceptance criteria for complex systems
  • Customer obsessed and motivated to make an impact in the healthcare space
  • A hands-on technical leader who can architect robust and extensible systems, establish best practices with AI coding tools, and ship high quality production code

Nice-to-Haves

  • Worked with machine learning and large language models for end-user applications
  • Hands-on experience navigating healthcare data formats such as EDI X12, HL7, FHIR, and custom payer flat files

Benefits

  • Flexible hybrid arrangement: 2-3 days/week at San Francisco office (Financial District), remote-first culture
  • Unlimited vacation policy
  • Paid parental leave
  • Medical, dental, and vision insurance
  • Pre-tax commuter benefits
  • 401(k)
  • Significant equity as an early employee
  • Direct mentorship from experienced founders
  • Ground-floor opportunity to help build a team and culture
  • Regular team events and offsites
  • Company-provided equipment and home office setup

Skills

PythonDjangoAWSPostgresDockerTerraformCeleryNext.jsTypeScriptMachine Learning

Software Engineer

Builds backend systems for healthcare AI platform, focusing on data pipelines, distributed systems, EHR integrations, and AI model operationalization. Requires strong TypeScript backend experience and distributed systems expertise.

200k – 285kSan Francisco, CA +1Backend EngineeringOn-siteHelmRedis

Software Engineer, Backend (Trading)

Builds backend systems for crypto trading features, including APIs, data pipelines, and protocol integrations across blockchains like Solana and Ethereum. Requires 5+ years software engineering experience and interest in open platforms.

200k – 250kUnited StatesBackend EngineeringRemote5+ YOEAPIsSolana

Software Engineer, Product

Builds backend services, APIs, and data-driven features like personalization engines for Kalshi's prediction market trading platform. Requires 4+ years experience, Bachelor's in CS, Golang/Java proficiency, and REST API/database expertise.

200k – 280kNew York, NYBackend EngineeringOn-site4+ YOEGoAWS

Software Engineer, Trading Platform

Builds high-performance trading platform including order matching, trade execution, clearing systems, and broker integrations. Requires 4+ years experience with concurrent systems, databases, and leading large projects in a fast-paced fintech environment.

200k – 280kNew York, NYBackend EngineeringOn-site4+ YOEGoC++

Software Engineer, Backend

Builds and maintains scalable backend systems, RESTful APIs, microservices, and integrations with AI models and enterprise platforms like Salesforce and SAP using Python and cloud technologies. Requires 3-5 years backend experience with focus on APIs and distributed systems.

200k – 250kSan Jose, CA +2Backend EngineeringHybrid3+ YOESSORBAC