{"schemaVersion":"jobsearcher.job.v1","id":"dc66fa68cab947a642b8409d","url":"https://jobsearcher.com/jobs/dc66fa68cab947a642b8409d","canonicalUrl":"https://jobsearcher.com/jobs/dc66fa68cab947a642b8409d","title":"React JS Developer","description":"Categories: Java\nSenior React Developer\nFairfax,VA\n6 Months\n\nJob Overview:\nAs a Senior React Developer you will participate in all aspects of the software development lifecycle which includes estimating, technical design, implementation, documentation, testing, deployment and support of application developed for our clients. As a member working in a team environment you will take direction from solution architects and Leads on development activities.\n\nResponsibilities:\nResponsible for development, programming, coding of complex and business critical Information Technology solutions using React, NodeJS and MongoDB.\nResponsible for documentation of the system, conduct unit tests, peer code reviews and maintenance of internally developed applications, evaluation and performance testing of purchased products\nResponsible for including IT Controls to protect the confidentiality, integrity, as well as availability of the application and data processed or output by the application.\nWrite code for the most complex system designs and provides consultative guidance on project with extensive size, scope and risk. Write programs that span platforms. Code to and/or create RESTful APIs\nDevelops web-based applications using ReactJS, NodeJS, D3 and other JavaScript based frameworks and libraries.\nDevelops micro services and has extensive experience using GitLab, Jenkins, PM2, Clustering, other tools and technologies for developing a scalable application.\nWork on integration issues and determines the integration approach. Coordinate with other areas for integration architecture solutions\nReview code developed by other Developers\nWrite detailed technical specifications for entire systems (made up of several subsystems). Identify integration points. Review technical specs created by other developers.\n“Scope” time, resources, etc. required to complete programming projects. Seek review from other Developers, Business Analysts, Systems Analysts or Project Managers on estimates.\nPerform unit testing and debugging. Able to debug most program errors.\nSupport transition of application throughout the Product Development life cycle. Document what must be migrated. Often requires more coordination points for transitioning systems. Document what must be migrated / file properties\nDemonstrate the ability to adapt and work with team members of various experience level.\nQualifications:\nPassionate coder with 5 years of application development experience.\nAt least 2 years of experience and proficiency in developing application using React, NodeJS, ExpressJS, MongoDB and has extensive experience is designing developing micro services.\nExperience and proficiency in developing application using ReactJS, D3.js and other supporting JavaScript frameworks\nGood understanding of micro services architecture\nWorking experience using GitLab, Jenkins, PM2 and similar tools and technologies\nbachelor’s degree in an IT related field or equivalent work experience\nExpert level experience and understanding with unit testing, release procedures, coding design and documentation protocol as well as change management procedures.\nExperience developing web-based user interface for business applications\nIntegration experience using web services – SOAP and/or REST.\nStrong debugging, problem solving and investigative skills. Ability to assimilate disparate information (log files, error messages etc.) and pursue leads to find root cause problems.\nExperience with Agile/Scrum methodology.\nSelf-starter who can work independently.\nBachelor’s Degree in MIS, Computer Science, Math, Engineering or comparable major.\nStrong consulting and communication skills. Ability to work effectively with various organizations in pursuit of problem solutions.\nRegards,\n\nGeetha Makarand\nSOVEREIGN TECHNOLOGIES LLC\n\ngeetha@sovereigntec.com","company":"Sovereign Technologies","rawCompany":"sovereign technologies","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-08-15T12:27:31.590Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"React JS Developer","description":"Categories: Java\nSenior React Developer\nFairfax,VA\n6 Months\n\nJob Overview:\nAs a Senior React Developer you will participate in all aspects of the software development lifecycle which includes estimating, technical design, implementation, documentation, testing, deployment and support of application developed for our clients. As a member working in a team environment you will take direction from solution architects and Leads on development activities.\n\nResponsibilities:\nResponsible for development, programming, coding of complex and business critical Information Technology solutions using React, NodeJS and MongoDB.\nResponsible for documentation of the system, conduct unit tests, peer code reviews and maintenance of internally developed applications, evaluation and performance testing of purchased products\nResponsible for including IT Controls to protect the confidentiality, integrity, as well as availability of the application and data processed or output by the application.\nWrite code for the most complex system designs and provides consultative guidance on project with extensive size, scope and risk. Write programs that span platforms. Code to and/or create RESTful APIs\nDevelops web-based applications using ReactJS, NodeJS, D3 and other JavaScript based frameworks and libraries.\nDevelops micro services and has extensive experience using GitLab, Jenkins, PM2, Clustering, other tools and technologies for developing a scalable application.\nWork on integration issues and determines the integration approach. Coordinate with other areas for integration architecture solutions\nReview code developed by other Developers\nWrite detailed technical specifications for entire systems (made up of several subsystems). Identify integration points. Review technical specs created by other developers.\n“Scope” time, resources, etc. required to complete programming projects. Seek review from other Developers, Business Analysts, Systems Analysts or Project Managers on estimates.\nPerform unit testing and debugging. Able to debug most program errors.\nSupport transition of application throughout the Product Development life cycle. Document what must be migrated. Often requires more coordination points for transitioning systems. Document what must be migrated / file properties\nDemonstrate the ability to adapt and work with team members of various experience level.\nQualifications:\nPassionate coder with 5 years of application development experience.\nAt least 2 years of experience and proficiency in developing application using React, NodeJS, ExpressJS, MongoDB and has extensive experience is designing developing micro services.\nExperience and proficiency in developing application using ReactJS, D3.js and other supporting JavaScript frameworks\nGood understanding of micro services architecture\nWorking experience using GitLab, Jenkins, PM2 and similar tools and technologies\nbachelor’s degree in an IT related field or equivalent work experience\nExpert level experience and understanding with unit testing, release procedures, coding design and documentation protocol as well as change management procedures.\nExperience developing web-based user interface for business applications\nIntegration experience using web services – SOAP and/or REST.\nStrong debugging, problem solving and investigative skills. Ability to assimilate disparate information (log files, error messages etc.) and pursue leads to find root cause problems.\nExperience with Agile/Scrum methodology.\nSelf-starter who can work independently.\nBachelor’s Degree in MIS, Computer Science, Math, Engineering or comparable major.\nStrong consulting and communication skills. Ability to work effectively with various organizations in pursuit of problem solutions.\nRegards,\n\nGeetha Makarand\nSOVEREIGN TECHNOLOGIES LLC\n\ngeetha@sovereigntec.com","datePosted":"2026-08-15T12:27:31.590Z","dateModified":"2026-08-15T12:27:31.590Z","hiringOrganization":{"@type":"Organization","name":"Sovereign Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"dc66fa68cab947a642b8409d"},"url":"https://jobsearcher.com/jobs/dc66fa68cab947a642b8409d"}}