Senior Software Engineer
Core
Senior Engineer owning end-to-end hard problems in a Rails monolith, designing AI agent scaffolding, and building critical infrastructure for a family registry and financial platform.
Role type
Senior Software Engineer (Generalist)
Builds
A family registry, financial tools for parents, maternal health features, and AI agents supporting families.
Domain
Fintech / Family Services / AI
Deliverable
production ML models | product features | infrastructure
Required skills
System design, AI agent scaffolding, Rails, React, TypeScript, MySQL, Snowflake, AWS, Kubernetes, Terraform, incident management, product sense
Preferred skills
Deep learning, matrix factorization, retrieval & ranking, LangChain, Bedrock AgentCore, CI/CD optimization
Technologies
Rails, Packwerk, React, TypeScript, Sidekiq, iOS (Swift), Android (Kotlin), MySQL, Snowflake, dbt, Airflow, Weaviate, WarpStream, Hex, Sigma, AWS SageMaker, MLflow, Claude Code, Devin, Linear, CodeRabbit, Warden, LangChain, Bedrock AgentCore, Maxim, AWS, Kubernetes, Terraform, GitHub Actions, Datadog, incident.io, LaunchDarkly, Shopify, Iterable
Responsibilities
Frame problems with PMs and run experiments to bring customer evidence into builds; Harden critical paths and design abstractions; Review risky changes; Manage up with crisp choices and protect tradeoffs; Share learnings about AI to sharpen the team.
Seniority
Senior, hands-on IC
