{"schemaVersion":"jobsearcher.job.v1","id":"0e202340dc8e01c0722083ab","url":"https://jobsearcher.com/jobs/0e202340dc8e01c0722083ab","canonicalUrl":"https://jobsearcher.com/jobs/0e202340dc8e01c0722083ab","title":"ON SITE - Full Stack JavaScript/React Software Engineer - Active TS/SCI","description":"On Site - Full Stack JavaScript/React Software Engineer – Active TS/SCISDI is a growing small business located in Alexandria, Virginia providing software development and technical services to federal agencies, government contractors, public sector agencies, and commercial organizations. Our activities support initiatives for Defense, First Responder safety/accountability, aerospace, custom applications, and web technologies.We have developed innovative software applications to support DoD and First Responder safety and accountability activities, including applications used daily by FDNY and other U.S. fire departments. SDI's focus is always on meeting Customer requirements to ensure that their goals, deliverables, and deadlines are satisfied.As a federal government contractor, all employees will be required to be fully vaccinated for COVID-19 by the legislative deadline for vaccine mandates. All candidates must attest to being able to meet this requirement in order to be considered and provide verification upon employment.Job DescriptionWe are seeking a motivated full-stack React Mid-Level to Senior Software Engineer who has a passion for supporting the DOD with cutting edge technologies.This is an Agile development environment, working on state-of-the-art algorithms and technology for a DOD research lab located in Reston, VA. The Software Engineer will collaborate with Data Scientists and other Engineers to provide a visualization for the team's datasets and analyses using OpenLayers/React/Redux for the UI and Express.js as a middle tier to the PostgreSQL database. There is opportunity to incorporate more automation to the process if you have the experience and knowledge to share with the team. It is a very collaborative environment, using Atlassian Tools such as Jira, Confluence, and Bitbucket.QualificationsActive DoD Top Secret/SCI security clearance required for consideration.Strong communication skillsAble to work independently and with little direct supervision or oversightStrong analytical and problem solving skills3-5 years full-stack JavaScript development experienceExperience with relational databasesComfort in both Windows and Linux environmentsA Bachelor's Degree, or higher, in Computer Science, Engineering, or equivalent, is required.Desired QualificationsRock star ability with JavaScript, including React/Redux or similar frameworksExperience with PostgreSQLExperience with continuous integration tools and systems, such as Jenkins or BambooContainerization (Docker, Kubernetes, etc.)Agile development experience in a team environment, including sprint and retrospective experienceVersion control and feature/defect tracking experience with Atlassian Tools – JIRA, Confluence, Bitbucket, etc. - all work is tracked and managed in AtlassianData visualization technologies including mappingAbility to handle multiple projects with various priorities and deadlinesAbility to work both independently and in a collaborative environmentAdditional InformationSDI provides a casual and flexible work environment with excellent benefits including a generous holiday and personal leave package, health, vision, and dental medical coverage, S-IRA retirement plan, performance bonuses, and more.Systems Definition is an Equal Employment Employer. The company provides equal employment opportunity to all applicants without regard to race, color, religion, sex, national origin, age, marital status, disability status or genetic information. Systems Definition is committed to providing equal employment opportunity for all persons in all facets of employment including recruiting, hiring, compensation, promotion, training, benefits, transfers and working conditions.All your information will be kept confidential according to EEO guidelines.","company":"Systems Definition","rawCompany":"systems definition","city":"Reston","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-07-24T00:32:22.233Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"ON SITE - Full Stack JavaScript/React Software Engineer - Active TS/SCI","description":"On Site - Full Stack JavaScript/React Software Engineer – Active TS/SCISDI is a growing small business located in Alexandria, Virginia providing software development and technical services to federal agencies, government contractors, public sector agencies, and commercial organizations. Our activities support initiatives for Defense, First Responder safety/accountability, aerospace, custom applications, and web technologies.We have developed innovative software applications to support DoD and First Responder safety and accountability activities, including applications used daily by FDNY and other U.S. fire departments. SDI's focus is always on meeting Customer requirements to ensure that their goals, deliverables, and deadlines are satisfied.As a federal government contractor, all employees will be required to be fully vaccinated for COVID-19 by the legislative deadline for vaccine mandates. All candidates must attest to being able to meet this requirement in order to be considered and provide verification upon employment.Job DescriptionWe are seeking a motivated full-stack React Mid-Level to Senior Software Engineer who has a passion for supporting the DOD with cutting edge technologies.This is an Agile development environment, working on state-of-the-art algorithms and technology for a DOD research lab located in Reston, VA. The Software Engineer will collaborate with Data Scientists and other Engineers to provide a visualization for the team's datasets and analyses using OpenLayers/React/Redux for the UI and Express.js as a middle tier to the PostgreSQL database. There is opportunity to incorporate more automation to the process if you have the experience and knowledge to share with the team. It is a very collaborative environment, using Atlassian Tools such as Jira, Confluence, and Bitbucket.QualificationsActive DoD Top Secret/SCI security clearance required for consideration.Strong communication skillsAble to work independently and with little direct supervision or oversightStrong analytical and problem solving skills3-5 years full-stack JavaScript development experienceExperience with relational databasesComfort in both Windows and Linux environmentsA Bachelor's Degree, or higher, in Computer Science, Engineering, or equivalent, is required.Desired QualificationsRock star ability with JavaScript, including React/Redux or similar frameworksExperience with PostgreSQLExperience with continuous integration tools and systems, such as Jenkins or BambooContainerization (Docker, Kubernetes, etc.)Agile development experience in a team environment, including sprint and retrospective experienceVersion control and feature/defect tracking experience with Atlassian Tools – JIRA, Confluence, Bitbucket, etc. - all work is tracked and managed in AtlassianData visualization technologies including mappingAbility to handle multiple projects with various priorities and deadlinesAbility to work both independently and in a collaborative environmentAdditional InformationSDI provides a casual and flexible work environment with excellent benefits including a generous holiday and personal leave package, health, vision, and dental medical coverage, S-IRA retirement plan, performance bonuses, and more.Systems Definition is an Equal Employment Employer. The company provides equal employment opportunity to all applicants without regard to race, color, religion, sex, national origin, age, marital status, disability status or genetic information. Systems Definition is committed to providing equal employment opportunity for all persons in all facets of employment including recruiting, hiring, compensation, promotion, training, benefits, transfers and working conditions.All your information will be kept confidential according to EEO guidelines.","datePosted":"2026-07-24T00:32:22.233Z","dateModified":"2026-07-24T00:32:22.233Z","hiringOrganization":{"@type":"Organization","name":"Systems Definition","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Reston","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"0e202340dc8e01c0722083ab"},"url":"https://jobsearcher.com/jobs/0e202340dc8e01c0722083ab"}}