Explore 3 javascript typescript engineer react jobs from 2 hiring companies in Harrington, DE, US. Filter by remote, salary, experience, and company, then open any listing to apply.

javascript-typescript-engineer-react

Javascript Typescript Engineer React

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Javascript Typescript Engineer React Jobs

Peraton

Halogen Engineering Group

Onsite

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Software Engineer (Front-End / React)Location: Laurel, MD Clearance: Active TS/SCI with Polygraph RequiredShape Mission-Critical User ExperiencesJoin a high-impact, mission-driven team supporting a mature and evolving software development program within the Intelligence Community. As a Front-End Software Engineer, you will play a key role in enhancing CAMKey, a mission-critical enterprise service relied upon across multiple systems and users. This is an opportunity to work on highly visible applications where performance, usability, and scalability directly support national security objectives. What You’ll Do<ul style="margin-top: 0in;"><li>Design and develop modern, responsive user interfaces for mission-critical applications </li><li>Build and maintain front-end components using React and modern JavaScript frameworks </li><li>Collaborate with back-end engineers, system architects, and mission stakeholders to deliver seamless user experiences </li><li>Contribute to UI/UX improvements that enhance usability across enterprise systems </li><li>Participate in code reviews, testing, and continuous improvement of development practices </li><li>Support the evolution of a mature codebase while introducing modern front-end best practices </li></ul> #MDFSP

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Required Qualifications<ul style="margin-top: 0in;"><li>Fourteen (14) years of experience as a Software Engineer (SWE) </li><li>Bachelor’s degree in Computer Science, Mathematics, Engineering, Statistics, Engineering Management, or a related field </li><ul style="margin-top: 0in;"><li>Four (4) additional years of SWE experience may be substituted in lieu of a degree</li></ul><li>Hands-on experience developing front-end applications using React </li><li>Strong proficiency in JavaScript </li><li>Active TS/SCI clearance with a current polygraph </li></ul> Preferred Qualifications<ul style="margin-top: 0in;"><li>Experience with Redux or similar state management libraries </li><li>Familiarity with advanced React concepts (e.g., hooks, context, performance optimization) </li><li>Experience developing with TypeScript </li><li>Exposure to modern UI/UX best practices and component-based architecture</li></ul> Why Join PeratonThis critical National Security role is eligible for Peraton’s premier benefits package, designed to recognize and support the professionals safeguarding our nation:<ul style="margin-top: 0in;"><li>Heavily subsidized health and wellness coverage for you and your dependents</li><li>25 days of PTO accrued annually</li><li>5% Annual Critical Skills Payment</li></ul>Join an elite team where your work directly impacts national security while enjoying top-tier benefits and recognition. #AJCM#PeratonRoyalMove

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Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit <a href="http://peraton.com/" target="_blank" rel="noopener">peraton.com</a> to learn how we’re keeping people around the world safe and secure.

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$146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

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EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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Software Engineer(Front-End/React), Senior Advisor

Software Engineer

14+ years SWE experience; BS in CS/Engineering/Math/Statistics; strong React and JavaScript; active TS/SCI with poly; front-end development

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Join a mission-driven team providing advanced cloud software solutions for national security. As a Cloud Software Engineer, you will design, develop, and maintain cutting-edge applications that support intelligence operations, leveraging cloud technologies, distributed systems, and modern development frameworks. This is an opportunity to make a direct impact on critical national security missions while advancing your expertise in cloud engineering. What You’ll Do<ul style="margin-top: 0in;"><li>Develop, integrate, and maintain cloud-based software solutions to support intelligence community operations.</li><li>Collaborate with cross-functional teams to gather requirements, analyze needs, and design scalable, high-performance systems.</li><li>Implement, test, and validate software components, ensuring reliability, security, and maintainability.</li><li>Work with open-source distributed computing products (e.g., HBase, Accumulo, BigTable) to handle massive datasets efficiently.</li><li>Build and enhance modern web applications using React, JavaScript, TypeScript, and Kotlin.</li><li>Produce technical documentation to support software development, deployment, and sustainment.</li><li>Operate and develop in Linux/UNIX environments, leveraging deep knowledge of system architecture and deployment best practices.</li></ul> #MDFSP

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Required Qualifications<ul style="margin-top: 0in;"><li>Active TS/SCI clearance with a current polygraph</li><li>Education and experience:</li><ul style="margin-top: 0in;"><li>High School Diploma/GED plus 5 years of experience, OR</li><li>Bachelor’s degree in Computer Science or a related technical field plus 3 years of experience, OR</li><li>Master’s degree in Computer Science or a related technical field plus 1 year of experience</li></ul><li>Experience with modern web development: React, JavaScript, TypeScript</li><li>Development experience in Java and Kotlin</li><li>Experience working in Linux-based environments (all workstations are Linux thick clients)</li><li>Hands-on experience with at least one cloud or container certification:</li><ul style="margin-top: 0in;"><li>Cloud Developer Certification</li><li>AWS Certified Developer – Associate</li><li>AWS DevOps Engineer – Professional</li><li>Certified Kubernetes Application Developer (CKAD)</li><li>Elastic Certified Engineer</li><li>AWS Certified Machine Learning – Associate or Specialty</li></ul></ul>Additional Qualifications<ul style="margin-top: 0in;"><li>Experience in software integration and testing, including developing and executing test plans/scripts</li><li>Demonstrated technical writing skills for project documentation</li></ul>Why Join Us<ul style="margin-top: 0in;"><li>Work on high-impact projects that directly support national security missions.</li><li>Collaborate with experts in cloud engineering, software development, and data systems.</li><li>Access to advanced technologies and continuous professional development.</li><li>Flexible work environment with opportunities to innovate and lead technical solutions.</li></ul>

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Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit <a href="http://peraton.com/" target="_blank" rel="noopener">peraton.com</a> to learn how we’re keeping people around the world safe and secure.

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$104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

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EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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Cloud Software Engineer (Java/Kotlin), Senior Associate

Cloud Software Engineer

Active TS/SCI clearance with a current polygraph; degree and experience per requirements; cloud/DevOps certifications; strong software development with Java/Kotlin and web technologies; Linux experience; documentation skills.

SOFTWARE ENGINEER - UX/UI - Front End - 8+ yrs of Experience - TS/SCI w/Poly clearance is required - TB

Eight years SWE experience; TS/SCI with Poly clearance; Bachelor's in Computer Science or related field; Python coding experience; able to work on large data sets

Javascript Typescript Engineer React Jobs in Harrington, DE, US | HiringCafe: every job on earth

Javascript Typescript Engineer React Jobs in Harrington, DE, US

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