> Markdown version of [/jobs/ext/4613320-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/4613320-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:** Dataflow, Inc - **Location:** Sandy Springs, GA, United States - **Contract:** Permanent contract - **Skills:** Data Flow Control, Ruby on Rails, Ruby, Docker, Jenkins - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_17e51f0d3a86faa04bc31684da289254 ## About the Role * Proven Docker judgment when the textbook answer doesn't fit * Principal mastery of Self-Motivation, validated by people who'd hire you again * The kind of ownership that treats the company's money like your own * Proven aptitude for Critical Thinking, ideally near Sandy Springs, GA ## Description * Track and report on key performance metrics for technology services * Pull Self-Motivation telemetry into dashboards DataFlow Systems leaders actually open * Own the principal Ruby on Rails workstream that unblocks the rest of DataFlow Systems's Sandy Springs, GA roadmap * Configure and manage infrastructure as code across staging and production * Translate technology compliance rules into Ruby guardrails baked into the build * Collaborate with product and design teams to ship features end to end * Negotiate Jenkins tradeoffs with product when DataFlow Systems timelines and reality collide