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Principal / Senior Software Engineer

FL105💼 Full-time💰 $108,000–$108,000🗓 2026-07-30 → 2026-09-25

Core

Design and develop customer-facing features across the front-end and back-end application stack for an AI-powered psychological fitness platform.

Role type

Principal / Senior Software Engineer (Full-stack)

Builds

Scalable, AI-enabled consumer applications and services

Domain

Mental health technology / AI / SaaS

Deliverable

product features

Required skills

Full-stack development, Python, AWS services (ECS, S3, Lambda), Scalable system architecture, CI/CD implementation, Data security and privacy compliance

Preferred skills

LLM development, AWS CDK, TypeScript, SaaS security best practices

Technologies

Python, AWS (ECS, S3, Lambda), AWS CDK, TypeScript

Responsibilities

Lead design and development of front-end and back-end features; Partner with product managers, designers, and researchers; Own features through the full product lifecycle; Manage release processes including rollout planning and feature flagging; Evaluate feature performance using analytics and feedback; Design scalable system architecture for AI components; Improve application delivery practices via CI/CD and automated testing; Leverage AWS cloud infrastructure; Uphold data security and privacy standards

Seniority

Senior, hands-on IC with leadership responsibilities

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