Staff Software Engineer, Full Stack

Modern Health is a mental health benefits platform for employers, offering a unique adaptive care experience. The Staff Software Engineer - Full Stack will be responsible for full stack product development, collaborating cross-functionally, and leading projects to enhance the care experience for members.

Responsibilities:

• Truly full stack product development with a slight lean towards the backend
• Build and maintain GraphQL APIs powered by Python services (Django, Flask)
• Implement web and mobile user experiences using React & React Native
• Engineer efficient and reusable systems that drive complex web and mobile applications
• Maintain HIPAA and GDPR compliance and general security through best practice implementation
• Independently write and execute technical plans (tech specs/RFCs) for large, ambiguous, cross-domain projects, negotiating scope with product along the way
• Lead ambiguous or large projects, working collaboratively with design, product, cross-functional partners, and other engineers to deliver a cohesive adaptive care experience
• Serve as the directly responsible individual from engineering on roadmap commitments, owning launch timelines, decomposing work, and coordinating dependencies across teams
• Write and maintain technical documentation, unit tests, and integration tests
• Be a thought leader in strategic engineering and tech initiatives, and contribute to cross-team engineering forums
• Lead and contribute to cross-team engineering forums and on cross-team engineering projects
• Mentor other engineers to scale your impact both on Care Journey and across the engineering department
• Provide compassionate and impactful reviews of technical project plans and code
• Participate in on-call, driving investigation, remediation, and process improvements from recurring issues

Requirements:

• 8+ years of relevant software development experience in one or more general-purpose programming languages
• At least 2+ years of production experience in full-stack web development, including React, JavaScript/TypeScript, React Native, and Python
• Deep familiarity with our tech stack (or a directly comparable one) strongly preferred; expect to start meaningfully contributing within your first 30 days
• Demonstrated high ownership: you independently decompose very ambiguous problems into component parts, propose technically elegant strategies, and can estimate and deliver against them with confidence
• A track record of writing technical plans (tech specs/RFCs) that hold up under cross-functional scrutiny, and driving solutioning for initiatives that span multiple domains or teams
• Experience building and maintaining GraphQL and/or REST APIs
• Experience scaling relational databases (e.g., PostgreSQL) and writing performant queries
• Proven ability to work cross-functionally and be trusted as a technical partner by product, design, and other engineering teams, including navigating disagreement and bringing people along on a technical direction
• Excellent written and verbal communication skills; comfortable driving alignment with stakeholders outside your immediate team
• Experience mentoring and effectively working with a distributed development team
• Experience leading and architecting large-scale projects as a technical thought leader
• Passion for building something to improve the lives of others
• Native mobile development
• AI/LLM-powered product features (e.g., recommendation systems, conversational or agentic experiences)
• Experience with maturely leveraging AI in your development lifecycle to improve quality and speed for yourself and other engineers
• Real-time messaging or notification flows, including push notifications
• Experience with SQL, bash, or other scripting languages to facilitate debugging or developer-experience contributions
• Working with AWS or other cloud platforms
• Working at a high-growth startup
• Working in Health Tech or HR