Principal Software Engineer, Senior Java Engineer, Account Executive, Solutions Engineer at FusionAuth

Varies between REMOTE (in USA, also in Europe but only for the account exec position) and HYBRID/ONSITE in Denver, CO, U🌐 Remote💼 Full-time💰 $170,000–$200,000🗓 2026-08-03 → 2026-09-26

Core

Building and maintaining a commercial CIAM platform for web and mobile applications with a focus on authentication and authorization.

Role type

Principal Software Engineer (Java)

Builds

A deployable CIAM platform supporting self-hosted, cloud, and managed deployment models.

Domain

Cybersecurity / Identity and Access Management (CIAM)

Deliverable

production ML models | product features

Required skills

Java, PostgreSQL, Docker, Kubernetes, OAuth, SAML, OIDC

Technologies

Java, PostgreSQL, Docker, Kubernetes, MySQL, OAuth, SAML, OIDC

Responsibilities

Developing core features for the CIAM platform, maintaining a 9+ year old codebase, and ensuring scalability across modern architectures.

Seniority

Principal, hands-on IC

Sourced via hn_whoishiring · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.

About FusionAuth

FusionAuth is a fast-growing startup and leading provider of customer identity and access management (CIAM) software headquartered in Denver, Colorado. Our mission is to make authentication and authorization simple and secure for every developer. Our product helps businesses securely manage customer identities and access, ensuring a seamless and safe user experience for some of the largest brands in the world. We are committed to delivering exceptional value and satisfaction to our clients through top-notch service and support. With a great team and strong investors, we are expanding our team