Senior Software Engineer (Trust Foundations)

TL;DR

Senior Software Engineer (Trust Foundations): Building core trust primitives like authentication providers, authorization engines, and secure data stores with an accent on scalable identity rails and privacy-by-design. Focus on designing 0-1 access control systems (RBAC/ABAC, OAuth/OIDC), embedding security controls, and scaling multi-tenant services for millions of sessions daily.

Location: New York, NY; San Francisco, CA; Seattle, WA, United States

Salary: $168,300 - $237,500

Company

Series D mental health platform automating insurance admin for 70,000+ providers across all 50 US states, serving 1M+ patients.

What you will do

• Design, build, and operate core trust primitives: authentication, authorization, data governance, encrypted stores, and audits.
• Embed security and privacy by design, partnering with Legal/Compliance to implement regulatory controls.
• Scale multi-tenant identity and authorization services handling millions of sessions with high availability.
• Deliver scalable platform foundations with consistent access patterns enabling secure, fast product development.
• Lead architecture reviews, break down ambiguous requirements into delivery plans, and make build-vs-buy decisions.
• Champion operational excellence through instrumentation, alerting, on-call, and post-incident improvements.
• Mentor engineers, document patterns, and elevate engineering culture.

Requirements

• Security mindset passionate about cybersecurity and protecting sensitive user data.
• Experience collaborating cross-functionally with product, infosec, and compliance teams.
• Track record of mentoring engineers, improving design quality, and engineering processes.
• Secure architecture thinking that enables product development.
• Comfort dealing with ambiguity and bringing clarity to requirements.

Nice to have

• 3+ years in data governance and access control (RBAC/ABAC) compliant with HIPAA, HITRUST, SOC2.
• 3+ years with third-party IdPs and OAuth 2.0/OIDC expertise.
• 3+ years with Python, TypeScript, and AWS.

Culture & Benefits

• Principles: mission focus, ship small/learn fast, everything as a product, optimize for trust.
• Comprehensive benefits: medical/dental/vision, HSA/FSA, 401K, work-from-home stipend, therapy reimbursement.
• 16-week parental leave, Carrot Fertility, 13 paid holidays + holiday break, flexible PTO, EAP, training.
• Equity compensation and ownership opportunities.

Hiring process

• Initial screen with recruiting on team, mission, and background.
• First round: live coding with engineer.
• Final rounds: technical and non-technical interviews with team members.
• References and offer with equity details.