Full Stack Developer

E-Infosol LLC•Quantico, VA

6h•$245,000 - $255,000•Onsite

About The Position

E-INFOSOL LLC is seeking a motivated and results-driven Full Stack Developer to be a full-time employee in Quantico, VA to join our innovative and customer solutions focused team. We are seeking a detail-oriented and experienced Full Stack Developer to design, develop, and deploy a cloud-based, modular, role-aware platform for our customers. The Full Stack Developer will work independently across both frontend and backend, take ownership of features end to end, and contribute to technical design decisions rather than simply executing against predefined stories. The Full Stack Developer will be responsible for working on both front-end and back-end development processes, design, develop and maintain fully-fledged and functioning platforms with databases or servers, including using a range of different technologies and languages.

Requirements

Active Top-Secret clearance with capability to obtain SCI/CI Poly if needed to meet contract requirements.
Bachelor’s Degree in Computer Science or a related field of study.
Certification: AWS Certified Solutions Architect - Associate
Minimum 8+ years of experience of full stack experience.
Frontend: Building responsive, component-driven applications in React, including role-based UI rendering, dynamic forms, and notification interfaces.
Backend: Designing and building containerized services on AWS Fargate and developing RESTful APIs.
Data: Modeling and querying relational data in Aurora PostgreSQL, with working knowledge of DynamoDB for audit and event data.
API & Configuration: API design and routing patterns using internal ALB routing and AppConfig-driven configuration.
Integration: Event-driven integration using EventBridge and SQS.
Security: Secure data handling using S3 with KMS encryption, Directory Service, and IAM-based role-based access control across multiple user roles.
AWS and DevOps Experience. Experienced delivering on AWS, in AWS GovCloud:
Infrastructure as code — working within CloudFormation and/or CDK practices.
CI/CD — operating within an established pipeline.
Automated testing — writing and maintaining unit and integration tests.
Secure development — practices consistent with NIST 800-53-aligned controls (encryption in transit and at rest, centralized logging, and observability via CloudWatch).
Strong analytical, troubleshooting, and problem-solving skills.
Excellent written and verbal communication skills.
Ability to work independently and collaboratively in a team environment.

Nice To Haves

Certification: AWS Certified Solutions Architect - Professional
Federal/classified delivery — prior experience delivering software in classified or federal environments.
Cross-domain — familiarity with cross-domain data-flow patterns between classified and unclassified fabrics.

Responsibilities

Design, develop, and deploy a cloud-based, modular, role-aware platform.
Work independently across both frontend and backend.
Take ownership of features end to end.
Contribute to technical design decisions.
Work on both front-end and back-end development processes.
Design, develop and maintain fully-fledged and functioning platforms with databases or servers.
Build responsive, component-driven applications in React, including role-based UI rendering, dynamic forms, and notification interfaces.
Design and build containerized services on AWS Fargate and develop RESTful APIs.
Model and query relational data in Aurora PostgreSQL, with working knowledge of DynamoDB for audit and event data.
Implement API design and routing patterns using internal ALB routing and AppConfig-driven configuration.
Integrate using EventBridge and SQS.
Implement secure data handling using S3 with KMS encryption, Directory Service, and IAM-based role-based access control across multiple user roles.
Deliver on AWS, in AWS GovCloud.
Work within CloudFormation and/or CDK practices.
Operate within an established CI/CD pipeline.
Write and maintain unit and integration tests.
Implement secure development practices consistent with NIST 800-53-aligned controls (encryption in transit and at rest, centralized logging, and observability via CloudWatch).

Benefits

Medical – 100% company paid premiums for employees with dependent options.
Dental and Vision
Retirement Savings (401k) up to 4% match
Health Savings Account (HSA), FSA and DCFSA
Company-paid Short/Long-term disability (w/ additional supplemental options)
Company-paid Life and AD&D (w/ additional supplemental options)
Generous Paid Time Off and ALL 11 Federal Holidays
Legal and Identity Protection Services
Bonuses for certifications and reimbursement
Employee Perks: UberOne, Company Outings (Sporting events, Happy Hours, etc.), Discounts on services including Pet Insurance