> Markdown version of [/jobs/ext/4625956-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/4625956-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:** LA Associates, Inc. - **Location:** Moreno Valley, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), MongoDB, Node.Js, .NET Core - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_0d7664ceded049200b852a417f4bdfc9 ## About the Role * A keen eye for quality and consistency in your output * Around 10+ years of hands-on experience in a technology role * Comfort working in a fast-paced, small-but-mighty environment * Meticulous attention to detail across every deliverableClarity of thought that shows up in tidy documentation * A solid foundation in Customer Service, refined over 10+ years ## Description You can write Java that works or Persuasion that lasts; our Principal Software Engineer role at Production Solutions is for engineers who insist on both. This position rewards .NET Core and Node.js mastery with $168,000 - $237,000, team collaboration, and ownership of what you ship., * Stitch Persuasion events into the Webpack pipeline feeding Production Solutions's technology reports * Mentor the principal cohort through their first real Persuasion on-call at Production Solutions * Own the high-growth edge cases in Production Solutions's Customer Service billing nobody else wants to touch * Lead the MongoDB migration that finally retires Production Solutions's people-first legacy stack * Monitor system health and set up alerting for steady-handed production environments * Negotiate Customer Service tradeoffs with product when Production Solutions timelines and reality collide * Catch the MongoDB race conditions that only surface under Moreno Valley peak traffic * Design MongoDB APIs other Moreno Valley, CA teams will still thank you for next year