> Markdown version of [/jobs/ext/1423630-senior-javascript-developer-level-2-or-3](https://www.wearedevelopers.com/jobs/ext/1423630-senior-javascript-developer-level-2-or-3). 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 JavaScript Developer (Level 2 or 3) - **Company:** RBR, LLC - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Algorithm Design, Data Analysis, Big Data, Code Reuse, Code Review, Signals Intelligence, Computer Engineering, Integrated Development Environments, Software Engineering, Software Requirements Analysis, Software Systems, Systems Architecture, Web Applications, Real Time Systems, Git, Bug Reporting, Information Technology - **Published:** July 24, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9052552/senior-javascript-developer-level-2-or-3 ## About the Role RBR-Technologies is seeking a Software Engineer (level 1 or 2) to bring their JavaScript expertise to a mission-focused team shaping the tools that protect sensitive national security data! Could it be you?, RBR-Technologies is seeking an Senior JavaScript Software Engineer (level 2 or 3) to work in collaboration with a team of developers to implement new capabilities in support of the customer's legacy classification marking tool and the tool to be used to support M365 web based applications. The position involves full life cycle design, development, testing, and documentation of policy-driven software across multiple fabrics. Are you ready to lead a skilled development team to enhance mission-critical classification and access control capabilities? Of course, you are!, * Active TS/SCI Polygraph * Expert-level JavaScript proficiency. * Experience with Git and code review processes. * Experience developing requirements specifications. * Level 2: Five years of related experience along with a Bachelor's degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines AND 2 years of work experience in the SIGINT, IA, or IT domains. An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 9 years. * Level 3: Eight years of related experience along with a Bachelor's degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines AND 3 years of work experience in the SIGINT, IA, or IT domains. An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 12 years. Preferred Qualifications: * Experience mentoring and introducing best practices. * Experience performing Tier 3 support and testing workflows. ## Description * Leading development of classification marking and access-control tooling. * Mentoring junior developers and improve team development processes. * Analyzing system requirements and supporting architecture documentation. * Performing full lifecycle development and troubleshooting. * Developing, maintaining, and enhancing complex and diverse software systems, including analytics, large data processing, algorithm development, real-time systems, and business management applications. * Working independently or as part of a collaborative development team. * Reviewing and testing software components to ensure adherence to design requirements and documenting test results. * Resolving software problem reports and implementing corrective actions. * Utilizing software development and design methodologies appropriate to the development environment. * Providing input to system-level design decisions, including hardware/software trade-offs, software reuse, and the use of COTS/GOTS in place of new development. * Conducting requirements analysis and synthesizing system-level requirements into individual software components. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Introduction to sCrypt - a smart contract language for Bitcoin SV](https://www.wearedevelopers.com/videos/24-introduction-to-scrypt-a-smart-contract-language-for-bitcoin-sv) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)