Backend Engineer - AWS Serverless Platform

Arcault is an early-stage financial wellness platform helping employees plan for life’s biggest milestones through guided digital journeys and AI-assisted workflows. We’re building a secure, trustworthy, and AI-native benefits platform in a sensitive financial domain.

We’re looking for a Platform Engineer to join the team where they will evolve the backend and infrastructure foundations as we move from MVP to production usage. We’re especially excited about engineers who bring a growth mindset—people who are curious, reflective, and eager to learn new ways of building with AI as the tooling and best practices evolve. This role is hands-on and broad in scope: backend services, cloud infrastructure, operational readiness, and secure-by-default systems.

You’ll work closely with a small, hands-on leadership team, contributing to technical direction while actively building and shipping production systems. Early hires at Arcault have meaningful impact, and we’...