Applications Developer - Active TS/SCI with FSP

Location:  Chantilly, VA
Clearance Required:  TS/SCI with Full Scope Polygraph (FSP)
Position Type:  Full-Time, On-Site
Salary Range:  $180,000 – $210,000

We are seeking a highly skilled  Applications Developer  to support mission-critical application development for a sold-and-funded federal program under STAR 2306. This role will contribute to the continued development and enhancement of an application currently in production, working in a collaborative team environment across multiple branches and directorates.

The ideal candidate will possess  advanced front-end web development expertise  combined with  full stack development experience , enabling them to design, build, and maintain scalable, high-performance applications. This position requires strong proficiency in modern JavaScript frameworks, Python-based back-end development, complex REST API integration, and cloud-based deployment in AWS environments.

Primary Responsibilities

• Design, develop, and enhance mission-critical web applications using modern front-end and full stack development practices.
• Implement and maintain advanced front-end interfaces using JavaScript frameworks such as Vue.js, Nuxt.js, and Viz.js to support data visualization and user interaction.
• Develop and integrate back-end services using Python and PySpark , supporting data processing and application logic.
• Consume and integrate complex REST APIs , ensuring secure, efficient, and scalable communication between services.
• Design, query, and optimize data storage solutions across relational, graph, and NoSQL databases , including Neo4j, Graph-Tool, and MongoDB.
• Support cloud-based application deployment and operations using AWS services , including S3 and EC2.
• Deploy, manage, and troubleshoot applications in Linux-based environments using Docker and Kubernetes .
• Collaborate with cross-functional teams to define requirements, implement enhancements, and support mission-driven outcomes.
• Contribute to system documentation, including application architecture, API usage, deployment procedures, and operational guidance.
• Participate in Agile development processes, including sprint planning, code reviews, and iterative delivery.

Minimum Qualifications:

• Demonstrated experience with  intermediate to advanced full stack application development .
• Strong experience consuming and integrating  complex REST APIs .
• Proficiency with tools, languages, and frameworks including:
• Python, PySpark
• JavaScript, Vue.js, Nuxt.js, Viz.js
• Experience with  AWS cloud services , specifically  S3 and EC2 .
• Hands-on experience with databases including:
• Relational databases
• Graph databases (Neo4j, Graph-Tool)
• NoSQL/document databases (MongoDB)
• Experience deploying and operating applications using  Linux, Docker, and Kubernetes .
• Active TS/SCI clearance with Full Scope Polygraph (FSP) required at the time of application.
• Must be able to  commute daily to the Chantilly, VA worksite  and work full-time on-site.

Preferred Qualifications:

• Experience with  computer vision algorithms and techniques .
• Familiarity with front-end component frameworks such as  Vuetify or SyncFusion.js .
• Experience with additional AWS services such as  EMR or EKS .
• Exposure to  vector databases , such as  Milvus .

Eligibility

• Must be legally authorized to work in the United States without employer sponsorship, now or in the future.
• Active TS/SCI with Full Scope Polygraph (FSP)clearance is required for this role.

Salary

Salary for this position is determined based on factors such as location, qualifications, experience, and contract-specific budget considerations.

Proposed Salary Range: $180,000 – $210,000

Benefits

We offer a comprehensive and competitive benefits package, including:

• 100% Company-Paid Health Insurance: Full coverage for medical, dental, and vision insurance for employees and their dependents (United Healthcare and Guardian).
• Protection Plans: Employer-paid life, short-term disability, and long-term disability insurance.
• 401(k) Retirement Contribution: 15% of base salary contributed by the company, fully vested from day one.
• Paid Time Off: 200 hours of PTO annually (accrued), in addition to 11 federal holidays.
• Bonuses: Recruitment and business development bonus opportunities based on performance and company growth.