Fullstack Developer (TS/SCI)

System One

Full Stack Software Developer

100% onsite



Full Stack Software Developer to provide software maintenance and engineering support under the Foundation Sustainment Services contract.


Primary responsibilities include the development and delivery of corrective, adaptive, preventive & perfective maintenance which includes: debugging, workflow management, identification and placements of alerts and alarms. In addition, be able to provide methods to automatically deploy existing or newly identified services, COTs and GOTs products, custom code, and software developed by the Government to provide an overall solution that meets program and product owner objectives.

Required Qualifications:


Requires BS degree and 8 years of prior relevant experience or Masters with 6 years of prior relevant experience; OR 4 years of related experience in lieu of degree

Understanding of microservice system integration, particularly with Appian.

Thorough understanding of integrating systems and databases.

Experience with Python, Tomcat, Linux, Windows, and PostgreSQL.

Experience with proprietary and open source GIS applications and database services such as ESRI and PostGIS (PostgreSQL).

Demonstrated understanding of Amazon Web Services (AWS).

Experience with delivery of a software maintenance solution using Agile software delivery techniques.

Experience in integrating software (COTS, GOTS, FOSS) and capabilities into a baseline and making them an operational whole.

Experience with integrating security components with applications and databases.

Familiarity with Configuration Management and Request for Change process for review and assessment.

Preferred Qualifications:



Experience with integrating Framemaker into an application

DevOps experience, particularly with GitLab

Experience with team collaboration tools (Jira, Confluence)

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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