Platform Engineer II — AI-Native Core Services (Seattle)

Alma; Seattle (WA); Hybrid; USD 130,000 - 180,000; Full time

Benefits offered by this job

Health benefits

401(k) match

Paid time off

Parental leave

Professional development

Job summary

Spring Health in Seattle is seeking a software engineer to build and maintain the shared platform services used by client engineering teams. You’ll own core services like Auth, User Sync, and Composer, deliver production-ready code, and collaborate with product, design, and data teams in a hybrid work model based in Seattle.

The role emphasizes strong testing, observability, and the use of AI coding tools to improve efficiency while ensuring security and reliability.

Qualifications

• 3–5 years of professional software development experience.
• Proficiency with Ruby on Rails or Python, Postgres, GraphQL, React, and TypeScript, Datadog, RSpec Framework.

Responsibilities

• Write, review, and deliver production-ready code with a focus on correctness, clarity, and maintainability.
• Participate actively in code reviews—giving constructive feedback and leveraging review comments as a learning opportunity.
• Use AI tools (e.g., Claude, Copilot) to explore implementation approaches, accelerate development, generate documentation, and augment code reviews—providing sufficient context to get high-quality, system-aware outputs.
• Contribute to architectural discussions and tech debt prioritization within your team.
• Proactively clarify requirements to remove ambiguity; identify and mitigate risks before they become blockers.
• Deliver features independently on well-scoped work; support larger multi-person projects with consistent execution.
• Collaborate with product managers and designers to break down complex requirements into manageable, shippable units.
• Advocate for high engineering standards including test coverage, documentation, and observability.
• Participate in an on-call rotation to support system reliability and respond to production issues.
• Identify and resolve root causes across code domains; add logging, alerting, and monitoring as a standard part of your work.
• Build and evolve shared services (Auth, User Sync, Composer) and the infrastructure and APIs beneath them.
• Own shared systems that fall between teams: learn, document, and stabilize them, and roll out changes safely through versioning, backward compatibility, and deprecation paths.
• Partner with client teams to turn repeated patterns into shared components with clear contracts, and measure adoption to guide what we evolve next.

Skills

3–5 years experience

Ruby on Rails

Python

Postgres

GraphQL

React

TypeScript

Datadog

RSpec

AI coding tools: Claude

AI coding tools: Copilot

Tools

Claude

Copilot

Job description

Spring Health in Seattle is seeking a software engineer to build and maintain the shared platform services used by client engineering teams. You’ll own core services like Auth, User Sync, and Composer, deliver production-ready code, and collaborate with product, design, and data teams in a hybrid work model based in Seattle.

The role emphasizes strong testing, observability, and the use of AI coding tools to improve efficiency while ensuring security and reliability.