> Markdown version of [/jobs/ext/4636585-senior-software-engineer-iii-angular-rxjs-systems](https://www.wearedevelopers.com/jobs/ext/4636585-senior-software-engineer-iii-angular-rxjs-systems). 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). --- # Senior Software Engineer III - Angular/RxJS & Systems - **Company:** Lentech, Inc - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** RxJS, Real Time Systems, Spring-boot, AngularJS - **Published:** November 8, 2026 - **Apply:** https://www.juju.com/job/28_25303_45c2ef1d6d5cbf7a3982ead2b2b4311b ## About the Role You will work solo or as part of a team. The role requires active TS.SCI w/FSP clearance, 12+ years of experience, and recent front-end work with Angular and RxJS; familiarity with Spring Boot and related technologies is preferred. ## Description Lentech, Inc. in the United States is seeking a Software Engineer to develop, maintain, and enhance complex software systems, including processing-intensive analytics and real-time applications, based on documented requirements.