> Markdown version of [/jobs/ext/4621828-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/4621828-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** Energy Llc - **Location:** Hilo, HI, United States (Remote available) - **Contract:** Permanent contract - **Skills:** Distributed Systems, Fault Tolerance, PostgreSQL, Scrum Methodology, Selenium, .NET Core - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25197_b890bd321588ea4c5267751fae0966bf ## About the Role * Hands-on PostgreSQL experience that survives a whiteboard interview * At least 10 years of standing behind your own estimates * Comfort owning a number that goes up or down because of you * Experience thriving in a learning-obsessed, deadline-driven setting like Retail Innovation Inc * Demonstrated wins in technology work somewhere near Hilo, HI ## Description Retail Innovation Inc is scaling its technology platform across HI, and the Principal Software Engineer we hire becomes one of its load-bearing decisions. For the documentation-first Principal Software Engineer with 10 years, Retail Innovation Inc answers with $176,000 - $281,000, a freelance setup, and a ladder built for climbing., * Build PostgreSQL self-service tools so Hilo teams stop filing tickets for everything * Pair-program tricky .NET Core edge cases with engineers across Hilo, HI * Build internal tooling that improves developer productivity and velocity * Own the relentlessly-kind Attention Management subsystem that the rest of Retail Innovation Inc quietly depends on * Contribute to sprint planning, estimation, and technology roadmap discussions * Drive adoption of best practices in testing, security, and observability * Architect fault-tolerant distributed systems leveraging Selenium and Work-Life Balance