Senior Backend Engineer / Platform EngineerNew!

• Review the Ronexa backend architecture and the plan for scaling its APIs, workflow engine, background processing and data layer
• Make the API run across many servers and move long-running work such as workflow batches, LLM calls, document processing and browser automation into background workers
• Ensure one client's workload cannot slow down another and keep calls to LLM providers, payer portals, EHRs and other APIs within their limits
• Set up infrastructure as code, a staging environment that matches production, safe deployments with quick rollback, autoscaling, load testing and cost monitoring

Qualifications and Experience

• Bachelor's degree in Computer Science, Information Technology, Software Engineering or a related field preferred, or equivalent work experience
• 5 or more years of backend engineering experience mainly in Python, including async Python and FastAPI or a similar framework
• Experience scaling a production system as traffic, data volumes and client numbers grew, with a clear understanding of the trade-offs involved
• Strong MongoDB experience at scale covering data modelling, indexing, partitioning and query performance, with Azure Cosmos DB as a plus
• Hands-on Azure experience with containers, App Service, Container Apps or AKS, Key Vault, Terraform or Bicep and CI/CD pipelines

Skills and Competencies

• Queues and background job processing such as Azure Service Bus, Kafka, Redis, Celery, Temporal or Restate
• Monitoring and alerting, access control, encryption, secrets management and audit logging for sensitive data
• Clear written and verbal communication, including writing a plan before building
• Ability to work independently across engineering, product and operations teams