Explore 4 javascript typescript engineer react jobs from 2 hiring companies in Federalsburg, MD, US. Filter by remote, salary, experience, and company, then open any listing to apply.

javascript-typescript-engineer-react

Javascript Typescript Engineer React

Easton

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Javascript Typescript Engineer React Jobs

Peraton

General Dynamics Information Technology

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.

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Software EngineeringJob Qualifications:Skills:GitLab, Linux, Python Software Development, ScriptingCertifications:NoneExperience:8 + years of related experienceUS Citizenship Required:YesJob Description:SOFTWARE ENGINEER PRINCIPAL Transform technology into opportunity as a Software Engineer Principal at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career. MEANINGFUL WORK AND PERSONAL IMPACT The Software Engineer shall be responsible for enhancing a UI prototype that was developed using Streamlit and build it into an interface with future plans to make the interface available external to the corporate enterprise.  WHAT YOU’LL NEED TO SUCCEED Bring your engineering expertise along with a drive for innovation to GDIT. The Software Engineer Principal must have: ● Education: Bachelor of Science ● Experience: 8&#43; years of related experience● Security clearance level: TS/SCI w/ Polygraph● Technical SkillsPosition Required Skills    Experience using the Linux CLI and Linux tools     Experience developing Bash scripts to automate manual processes     Recent software development experience using Python and Java     Familiar with Streamlit, a Python framework for building interactive web applications     Experience developing front-end applications using TypeScript, HTML, and CSS     Experience with JavaScript frameworks such as React, Angular, and Vue     Familiar with Distributed Big Data processing engines including Apache Spark      Experience using Jupyter Notebook     Experience with data wrangling and preprocessing using tools such as pandas, NumPy     Experience working with structured, semi-structured, and unstructured data such as Parquet, JSON, CSV, XML     Familiarity with data quality concepts, data validation, and anomaly detection     Experience with Git Source Control System Position Desired Skills    Experience using Apache Airflow (DAG design, scheduling, operators, sensors) to orchestrate, schedule, and monitor complex workflows     Experience with SQL technologies such as MySQL, MariaDB, and PostgreSQL for querying, joining, and aggregating large datasets     Familiar with HPC Job Scheduling tools including Slurm     Experience using the Atlassian Tool Suite (JIRA, Confluence)  GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. ● Growth: AI-powered career tool that identifies career steps and learning opportunities ● Support: An internal mobility team focused on helping you achieve your career goals ● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off ● Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation.#MD_2026Alumni#IntelligenceEngineeredThe likely salary range for this position is $175,950 - $238,050. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA MD Annapolis JunctionAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at<a href="https://www.gdit.com/tc" target="_blank">gdit.com/tc</a>.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Software Engineer 3

8+ years of related experience; TS/SCI w/ Polygraph; Bachelor's degree; Linux CLI/tools; Python, Bash; front-end tech (TypeScript, HTML/CSS, React/Angular/Vue); Streamlit; data processing; Git; Jupyter; distributed engines (Spark).

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

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Javascript Typescript Engineer React Jobs in Federalsburg, MD, US

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