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# Principal Software Engineer

- **Company:** Envision-Innovative Solutions
- **Location:** Corridor North, MD, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Algorithm Design, Big Data, Software Documentation, Databases, Continuous Integration, Data Stores, Software Debugging, Elasticsearch, Gradle, Java Message Service (JMS), Apache Maven, Oracle (Applications), Simple Data Format, Software Engineering, Software Systems, Real Time Systems, Spring-mvc, Spring-boot, Gitlab, Usage Tracking, Spring Data, AngularJS, Kubernetes, Information Technology, Apache Kafka, Front End Software Development, Docker
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25197_cef7f2767bd4025ce561f90d977ce90f

## About the Role

Riverstone is seeking a motivated, career, and customer-oriented Software Engineer Level 3 to join our team at Annapolis Junction, MD. This is an onsite position., * Twelve (12) years' experience as a Software Engineer in programs and contracts of similar scope, type, and complexity is required.

 * Bachelor's degree in computer science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree
 * Experience with any of the followings:Spring Boot, Spring MVC, Spring Data, Sprint Security, JMS, KAFKA, Java, Oracle, Elasticsearch, Docker, Kubernetes/K8, Maven, Gradle, GitLab, CI/CD.

Preferred Skills

 * Front-end work (UI) - experience with Angular., Current/Active TS/SCI with Full Scope Polygraph. The projected compensation range for this position is $215,000.00-$250,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories

## Description

* Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets and real-time systems).
 * Analyze user requirements to derive software design and performance requirements
 * Debug existing software and correct defects
 * Provide recommendations for improving documentation and software development process standards
 * Design and code new software or modify existing software to add new features
 * Integrate existing software into new or modified systems or operating environments
 * Develop simple data queries for existing or proposed databases or data repositories
 * Write or review software and system documentation
 * Serve as team lead at the level appropriate to the software development process being used on any particular project
 * Design or implement complex database or data repository interfaces/queries
 * Develop or implement algorithms to meet or exceed system performance and functional standards
 * Assist with developing and executing test procedures for software components
 * Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas
 * Modify existing software to correct errors, to adapt to new hardware, or to improve its performance
 * Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design