Principal Software Engineer

Riverstone Enterprise Solutions , an Envision Innovative Solutions Company, delivers mission-focused technology solutions to the Intelligence Community. Since 2008, we have supported critical national security programs by building high-performing engineering teams and developing innovative enterprise solutions. Our engineers work in a collaborative, zero-bureaucracy environment where expertise is valued, ideas are heard, and contributions directly drive mission success. Your adventure begins now—unleash your potential at Riverstone, we combine the agility of a small company with the impact of a big mission.

Riverstone is seeking a motivated, career, and customer-oriented Software Engineer Level 3 to join our team at Annapolis Junction, Maryland. This is an onsite position.

Primary Responsibilities

• 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, adapt to new hardware, or improve its performance.
• Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.

Required Skills

• 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 following: Spring Boot, Spring MVC, Spring Data, Spring Security, JMS, KAFKA, Java, Oracle, Elasticsearch, Docker, Kubernetes/K8, Maven, Gradle, GitLab, CI/CD.

Preferred Skills

• Front-end work (UI) - experience with Angular.

Clearance Requirement

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.

Riverstone Enterprise Solutions is an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, veteran's status, age, disability, or any other basis prohibited by law.