Platform Core Engineer – AI-Driven Shared Services (Seattle)

Spring Health; Seattle (WA); Hybrid; USD 120,000 - 153,000; Full time

Benefits offered by this job

Health benefits

401(k) match

Parental leave

Professional development

Job summary

Spring Health in Seattle is hiring a software engineer for a hybrid role focused on platform core services. You will write production-ready code, review peers, and use AI tools to accelerate development while maintaining high standards for security and quality.

Responsibilities include architectural input, reducing tech debt, independent feature delivery, and collaboration with product and design teams to break down complex requirements.

Qualifications

• 3–5 years of professional software development experience.
• Proficiency with Ruby on Rails or Python, Postgres, GraphQL, React, and TypeScript, Datadog, RSpec Framework
• Experience building full stack applications
• Actively uses AI coding tools to assist with features, debugging, and test creation—iterates on prompts to improve output quality and critically reviews AI-generated code for correctness, security, and standards compliance

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 to explore implementation approaches, accelerate development, generate documentation, and augment code reviews—providing sufficient context to get high-quality 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, so client teams integrate instead of rebuilding.
• 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

Ruby on Rails

Python

Postgres

GraphQL

React

TypeScript

Datadog

RSpec

AI-assisted coding

Tools

Claude

Copilot

Job description

Spring Health in Seattle is hiring a software engineer for a hybrid role focused on platform core services. You will write production-ready code, review peers, and use AI tools to accelerate development while maintaining high standards for security and quality.

Responsibilities include architectural input, reducing tech debt, independent feature delivery, and collaboration with product and design teams to break down complex requirements.