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Software Developer (Systems Software)

Quantum Science Solutions

Posted today

Job Requirements

Dulles, VA
Intel Agency (NSA, CIA, FBI, etc) Full Scope Polygraph
Senior Level Career (10+ yrs experience)
Salary not specified
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Job Description

Opportunity via QSSHire | Talent-as-a-Service Recruiting
Role: Software Developer (Systems Software) - SME
Location: Dulles, VA (Onsite)
Clearance: TS/SCI with Full Scope Polygraph
Rate: Open
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Are You a Full Stack Software Developer with Deep Expertise in Modern Cloud and Application Development?
QSSHire is seeking a Software Developer (Systems Software) - SME to support the design, development, and deployment of scalable, high-performance applications. The selected candidate will bring strong full-stack development expertise, leveraging modern front-end frameworks, robust back-end technologies, and cloud-native architectures to deliver mission-critical solutions.
This role requires hands-on experience across the full software development lifecycle, including system design, API development, database integration, and cloud deployment. The developer will collaborate with cross-functional teams to build secure, efficient, and resilient systems in dynamic environments.
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In This Role, You’ll:
• Design, develop, and maintain full-stack applications using modern technologies
• Build responsive and user-friendly interfaces using HTML, CSS, JavaScript, and frameworks such as Angular or Vue
• Develop back-end services using Java, Spring Boot, and OpenSearch
• Design and implement RESTful APIs to support application functionality
• Work with NoSQL databases such as DynamoDB or Redis
• Develop and maintain relational databases including PostgreSQL or MySQL
• Deploy and manage applications within AWS environments (EC2, S3, CloudFormation, Lambda, DynamoDB)
• Collaborate with Agile teams to deliver scalable and high-quality software solutions
• Apply best practices for performance optimization, scalability, and maintainability
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You’ll Succeed Here If You Have:
• Bachelor’s degree in Computer Science, Software Engineering, or related field
• 7+ years of full-stack development experience
• Strong proficiency in front-end technologies (HTML, CSS, JavaScript, Angular or Vue)
• Strong proficiency in back-end technologies (Java, Spring Boot, OpenSearch)
• Experience with NoSQL databases (DynamoDB, Redis)
• Experience with relational databases (PostgreSQL, MySQL, or similar)
• Experience designing and implementing RESTful APIs
• Hands-on experience with AWS services (EC2, S3, CloudFormation, Lambda, DynamoDB)
• Ability to work in collaborative, fast-paced engineering environments
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Bonus Points If You Have:
• Familiarity with security best practices and performance optimization
• Knowledge of SecDevOps practices
• Experience with testing frameworks (JUnit, TestNG, Mockito, Spock)
• Experience with Atlassian tools (Jira, Confluence)
• Experience working in cloud-native or microservices architectures
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Why QSSHire?
As a modern Talent-as-a-Service recruiting partner, QSSHire connects top cleared professionals with impactful, secure roles. We emphasize mission alignment, transparency, and purpose-driven career opportunities, because your next role should be as meaningful as your expertise.
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About Us
Quantum Science Solutions is traditional in the sense that it was built with core foundations based on honesty and integrity. We take great pride in all of our efforts and projects, we are proud to serve the front lines of cyber defense. We challenge our team members frequently and thrive on the motto “One for all, all for one”. Here at QSS, we invite individuals who think outside of the box and are mentally stimulated by complex problems in the fast paced world of cyber and technology. Our collaborative work environment allows you to think freely and develop iron clad solutions for our customers. At QSS, your ideas and designs are not only heard but are recognized and rewarded. We support you and will provide you with the resources needed to fuel innovations and creativity. Imagine, you are working on cyber integration concept and it turns into fully funded project by a federal agency. Join the QSS team where rather than making a difference, we are the difference

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Job Category
IT - Software