Explore 7 javascript typescript engineer react jobs from 3 hiring companies in Maurertown, VA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Javascript Typescript Engineer React

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Javascript Typescript Engineer React Jobs

Altamira Technologies

CACI

GDIT

Onsite

Altamira Technologies has a long and successful history providing innovative solutions throughout the U.S. National Security community. Headquartered in McLean, Virginia, Altamira serves the defense, intelligence and homeland security communities worldwide by focusing on creating innovative solutions leveraging common standards in architecture, data and security. Altamira believes that our people and the culture of our company differentiate us from other companies.Location: Warrenton VA / Augusta,GA / Centennial, CO / State College, PAPosition Description:&nbsp;We are seeking a Senior Software Engineer that possess a mix of talent areas related to full-stack development. As part of our team, you will provide software and web development services. Our ideal candidate would possess a broad range of skills as our scope of work spans various technologies. Examples of technologies we are currently using to support our customers include Java, Python, JavaScript, Angular, React, and ElasticSearch. Altamira Technologies Corporation encourages independent problem solving but also provides deep reach-back support and a collaborative environment for our engineering team. We are looking for candidates who have experience with developing and are not afraid to adapt to the right architecture, languages, and libraries to build the best systems for the mission and deliver the best user experience.Role and Responsibilities<ul><li style="font-size: 11.0pt;">Must have strong Java skills &ndash; no exceptions.</li><li style="font-size: 11.0pt;">Produce software based on desired functionality provided by users and analysts</li><li style="font-size: 11.0pt;">Interpret mission needs and requirements to produce user-friendly software systems</li><li style="font-size: 11.0pt;">Leverage continuous integration to create sustainable and maintainable software</li><li style="font-size: 11.0pt;">Interact with teammates and users through whiteboard sessions and/or design documents to establish circular feedback</li><li style="font-size: 11.0pt;">Able to meet deadlines and adjust to evolving scope as requested by customer.</li></ul>Education and Experience<ul><li style="font-size: 11.0pt;">Bachelor&rsquo;s in Computer Science, Computer Engineering, Electrical Engineering, or a related field</li><li style="font-size: 11.0pt;">Must have strong Java,&nbsp;JavaScript/Typescript experience &ndash; no exceptions.</li><li style="font-size: 11.0pt;">Other languages like Python, Angular, ELK stack, Redis, Web Services (REST), Containerization (such as docker, lxc), Kubernetes, helm, Machine Learning, Data Analytics, Android development, NoSQL and SQL databases, Xmidas are desired.</li></ul>Abilities and Competencies<ul><li style="font-size: 11.0pt;">Top Secret Clearance REQUIRED</li><li style="font-size: 11.0pt;">Self-motivated and eager to work intently to satisfy mission&nbsp;requirements</li><li style="font-size: 11.0pt;">Adaptable and has the desire to maintain our company culture</li><li style="font-size: 11.0pt;">Ability to effectively communicate in verbal and written communications</li><li style="font-size: 11.0pt;">Ability to multitask and adjust priorities as needed</li><li style="font-size: 11.0pt;">Work with a geographically disparate team.&nbsp;</li></ul>

Senior Software Engineer

Strong Java and JavaScript/TypeScript skills; full-stack development; experience with Java, Python, JavaScript, Angular, React, ElasticSearch; BS in CS/CE/EE.

<div>Altamira Technologies has a long and successful history providing innovative solutions throughout the U.S. National Security community.&nbsp;Headquartered in McLean, Virginia, Altamira serves the defense, intelligence and homeland security communities worldwide by focusing on creating innovative solutions leveraging common standards in architecture, data and security.&nbsp;Altamira believes that our people and the culture of our company differentiate us from other companies.</div><div>&nbsp;</div><div>Location: Warrenton, VA. State College, PA. Augusta, GA.</div><div>&nbsp;</div><div>Position Description: We are seeking Software Engineers that possess a mix of talent areas related to full-stack development. As part of our team, you will provide software and web development services. Our ideal candidate would possess a broad range of skills as our scope of work spans various technologies. Examples of technologies we are currently using to support our customers include Java, Python, JavaScript, Angular, React, and ElasticSearch. Altamira Technologies Corporation encourages independent problem solving but also provides deep reach-back support and a collaborative environment for our engineering team. We are looking for candidates who have experience with developing and are not afraid to adapt to the right architecture, languages, and libraries to build the best systems for the mission and deliver the best user experience.</div><div>&nbsp;</div><div>Role and Responsibilities</div><ul style="margin-top: 0.0px;"><li>Produce software based on desired functionality provided by users and analysts</li><li>Interpret mission needs and requirements to produce user-friendly software systems</li><li>Leverage continuous integration to create sustainable and maintainable software</li><li>Interact with teammates and users through whiteboard sessions and/or design documents to establish circular feedback</li></ul><div>Education and Experience</div><ul style="margin-top: 0.0px;"><li>Bachelor&rsquo;s in Computer Science, Computer Engineering, Electrical Engineering, or a related field</li><li>Experience&nbsp;in one or more of the following: Java,&nbsp;JavaScript/Typescript, Python, Angular, ELK stack, Redis, Web Services (REST), Containerization (such as docker, lxc), Kubernetes, helm, Machine Learning, Data Analytics, Android development, NoSQL and SQL databases, Xmidas, Digital Signal Processing</li></ul><div>Abilities and Competencies</div><ul style="margin-top: 0.0px;"><li>MUST BE A U.S. CITIZEN AND BE ABLE TO OBTAIN UP TO A TS/SCI CLEARANCE.&nbsp;&nbsp;</li><li>Self-motivated and eager to work intently to satisfy mission requirements</li><li>Adaptable and has the desire to maintain our company culture</li><li>Ability to effectively communicate in verbal and written communications</li><li>Ability to multitask and adjust priorities as needed</li></ul>

Software Engineer

Bachelor's in Computer Science, Computer Engineering, Electrical Engineering, or related field; experience with Java, Python, JavaScript/Typescript, Angular, ELK stack, Redis, REST, Docker, Kubernetes, Helm, Machine Learning, Data Analytics, Android; ability to obtain TS/SCI clearance; US citizenship.

<div>Altamira Technologies has a long and successful history providing innovative solutions throughout the U.S. National Security community. Headquartered in McLean, Virginia, Altamira serves the defense, intelligence and homeland security communities worldwide by focusing on creating innovative solutions leveraging common standards in architecture, data and security. Altamira believes that our people and the culture of our company differentiate us from other companies.</div><div> </div><div>Location: Warrenton VA or Augusta,GA.</div><div> </div><div>Position Description: We are seeking a Senior Software Engineer that possess a mix of talent areas related to full-stack development. As part of our team, you will provide software and web development services. Our ideal candidate would possess a broad range of skills as our scope of work spans various technologies. Examples of technologies we are currently using to support our customers include Java, Python, JavaScript, Angular, React, and ElasticSearch. Altamira Technologies Corporation encourages independent problem solving but also provides deep reach-back support and a collaborative environment for our engineering team. We are looking for candidates who have experience with developing and are not afraid to adapt to the right architecture, languages, and libraries to build the best systems for the mission and deliver the best user experience.</div><div> </div><div>Role and Responsibilities</div><div><ul><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Must have strong Java skills – no exceptions.</li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Produce software based on desired functionality provided by users and analysts</li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Interpret mission needs and requirements to produce user-friendly software systems</li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Leverage continuous integration to create sustainable and maintainable software</li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Interact with teammates and users through whiteboard sessions and/or design documents to establish circular feedback</li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Able to meet deadlines and adjust to evolving scope as requested by customer.</li></ul></div><div>Education and Experience</div><div><ul><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Bachelor’s in Computer Science, Computer Engineering, Electrical Engineering, or a related field</li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Must have strong Java, JavaScript/Typescript experience – no exceptions.</li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Other languages like Python, Angular, ELK stack, Redis, Web Services (REST), Containerization (such as docker, lxc), Kubernetes, helm, Machine Learning, Data Analytics, Android development, NoSQL and SQL databases, Xmidas are desired.</li></ul></div><div>Abilities and Competencies</div><ul><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;"><div>TS/SCI REQUIRED WITH POLY (CI or Fullscope).  NO EXCEPTIONS.  </div></li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;"><div>Self-motivated and eager to work intently to satisfy mission requirements</div></li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;"><div>Adaptable and has the desire to maintain our company culture</div></li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;"><div>Ability to effectively communicate in verbal and written communications</div></li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;"><div>Ability to multitask and adjust priorities as needed</div></li><li style="font-family: sans-serif , arial , helvetica;font-size: 11.0pt;"><div>Work with a geographically disparate team. </div></li></ul>

Strong Java and JavaScript/TypeScript experience; full-stack development; ability to adapt architecture and tools; TS/SCI with poly clearance.

<div style="background-repeat: no-repeat;outline: none;overflow: visible;color: rgb(51,51,51);font-family: 'Open Sans' , Helvetica;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0.0px;text-transform: none;word-spacing: 0.0px;">Altamira Technologies has a long and successful history providing innovative solutions throughout the U.S. National Security community. Headquartered in McLean, Virginia, Altamira serves the defense, intelligence and homeland security communities worldwide by focusing on creating innovative solutions leveraging common standards in architecture, data and security. Altamira believes that our people and the culture of our company differentiate us from other companies.</div><div style="background-repeat: no-repeat;outline: none;overflow: visible;color: rgb(51,51,51);font-family: 'Open Sans' , Helvetica;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0.0px;text-transform: none;word-spacing: 0.0px;"> Location: Warrenton VA. / Denver CO. / Fort Meade MD.</div><div style="background-repeat: no-repeat;outline: none;overflow: visible;color: rgb(51,51,51);font-family: 'Open Sans' , Helvetica;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0.0px;text-transform: none;word-spacing: 0.0px;"></div><div style="background-repeat: no-repeat;outline: none;overflow: visible;color: rgb(51,51,51);font-family: 'Open Sans' , Helvetica;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0.0px;text-transform: none;word-spacing: 0.0px;"><div>Position Description: We are seeking Software Engineers that possess a mix of talent areas related to full-stack development. As part of our team, you will provide software and web development services. Our ideal candidate would possess a broad range of skills as our scope of work spans various technologies. Examples of technologies we are currently using to support our customers include Java, Python, JavaScript, Angular, React, and ElasticSearch. Altamira Technologies Corporation encourages independent problem solving but also provides deep reach-back support and a collaborative environment for our engineering team. We are looking for candidates who have experience with developing and are not afraid to adapt to the right architecture, languages, and libraries to build the best systems for the mission and deliver the best user experience.</div><div> </div><div>Role and Responsibilities</div><ul style="margin-top: 0.0in;"><li style="">Must have strong Java skills – no exceptions. </li><li style="">Produce software based on desired functionality provided by users and analysts</li><li style="">Interpret mission needs and requirements to produce user-friendly software systems</li><li style="">Leverage continuous integration to create sustainable and maintainable software</li><li style="">Interact with teammates and users through whiteboard sessions and/or design documents to establish circular feedback</li><li style="">Able to meet deadlines and adjust to evolving scope as requested by customer. </li></ul><div>Education and Experience</div><ul style="margin-top: 0.0in;"><li style="">Bachelor’s in Computer Science, Computer Engineering, Electrical Engineering, or a related field</li><li style="">Must have strong Java, JavaScript/Typescript experience – no exceptions. </li><li style="">Other languages like Python, Angular, ELK stack, Redis, Web Services (REST), Containerization (such as docker, lxc), Kubernetes, helm, Machine Learning, Data Analytics, Android development, NoSQL and SQL databases, Xmidas are desired. </li></ul><div>Abilities and Competencies</div><ul style="margin-top: 0.0in;"><li style="">TS/SCI REQUIRED WITH POLY (CI or Fullscope).  NO EXCEPTIONS.  </li><li style="">Self-motivated and eager to work intently to satisfy mission requirements</li><li style="">Adaptable and has the desire to maintain our company culture</li><li style="">Ability to effectively communicate in verbal and written communications</li><li style="">Ability to multitask and adjust priorities as needed</li><li style="">Work with a geographically disparate team. Depending on location, flexible working hours will be required. </li></ul></div>

Strong Java skills; full-stack development; experience with Java, JavaScript/TypeScript, Python, Angular, ELK stack; BS in CS/CE/EE; TS/SCI with poly; CI/CD experience.

Job Title: Full Stack Web DeveloperJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental USAnticipated Posting End: 1/1/2100The Opportunity: CACI is seeking a Full Stack Web Developer to join our dynamic technology team. As a Full Stack Developer. You will serve as a key member of our development team, building responsive, scalable, and high-performance applications and software that solves complex national security challenges. You will collaborate with cross-functional teams to design, develop, and maintain both frontend and backend components of our applications and software. You will be responsible for the full development lifecycle from conceptualization to deployment. This includes designing system architecture, implementing frontend and backend components, integrating with databases, and ensuring the performance, reliability, and security of our applications. You&#39;ll work in an agile environment with opportunities to learn new technologies and contribute to innovative solutions. Responsibilities: •             Design and develop modern web applications using React.js for frontend and Flask/Express.js for backend services •             Build and maintain RESTful APIs that power our applications and integrate with various data sources •             Implement responsive user interfaces using HTML5, CSS3, and modern JavaScript frameworks •             Work with PostgreSQL databases to design schemas, optimize queries, and ensure data integrity •             Collaborate with UX/UI designers to translate wireframes and mockups into functional code •             Participate in code reviews and implement best practices for version control using Git •             Debug issues across the entire stack and propose solutions to improve application performance •             Contribute to technical documentation to support knowledge sharing and maintenance Qualifications: Required: •             B.S. in Computer Science, Software Engineering, Computer Engineering or related field •             5&#43; years of professional experience in web development •             Strong proficiency with React.js and modern JavaScript/TypeScript development •             Experience building backend APIs with Flask (Python) and Express.js (Node.js) •             Proficient in Python, HTML5, CSS3, TypeScript, and JavaScript •             Experience with PostgreSQL and writing efficient SQL queries •             Strong understanding of RESTful API design principles •             Experience with version control systems (Git) and collaborative development workflows •             Problem-solving mindset with attention to detail and code quality •             Strong communication skills and ability to work effectively in a team environment*Must have an active TS/SCI Clearance Desired: •             Experience with GitLab CI/CD pipelines and DevOps workflows •             Knowledge of Docker containerization and deployment strategies •             Familiarity with WebSockets for real-time communication •             Knowledge of the Tailwind CSS framework for building responsive interfaces •             Experience with ORM libraries (SQLAlchemy, Prisma, Drizzle, etc.) •             Experience with Tanstack Tools (Router, Query, Forms) •             Experience with Redis for caching and session management •             Understanding of web security best practices •             Experience with automated testing frameworks for both frontend and backend •             Knowledge of cloud platforms (AWS, Azure, GCP)  - What You Can Expect: A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation&#39;s most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.Since this position can be worked in more than one location, the range shown is the national average for the position.The proposed salary range for this position is: $82,100-$172,400CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Full Stack Web Developer

BS in CS or related field; 5+ years web development; React.js; Flask/Express; Python/TypeScript/JavaScript; PostgreSQL; REST APIs; Git; TS/SCI clearance (active)

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:Application Development, Build Tools, Java, REST, Single Page Application (SPA)Certifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob Description:Discover a career that is challenging, impactful, and mission-critical. Join our team as a Full Stack Java Developer and make an impact. While you help us advance the mission, we’ll help you build your skills and advance your career.WHAT YOU’LL NEED TO SUCCEED:<ul><li>Education: BS in Computer Science or related field, or the equivalent combination of education, technical certifications or training, or work experience</li><li>Experience: 10&#43; years</li><li>Required skills:</li><li>Front End Skills: Single Page Applications (ReactJS, JavaScript, TypeScript, CSS, HTML), Responsive Design</li><li>Back End Skills: Microservices, REST, Node.js, JVM (Java - Spring, Spring Boot, Hibernate, etc.), Database (Postgres, MySQL, etc.).</li><li>Build Tools: maven, gradle, grunt, gulp, git, tactical and strategic improvements to large scale Java/J2EE/ products</li><li>Formulates and defines system scope and objectives through research and fact-finding to develop or modify moderately complex information systems</li><li>Translate software requirements into working and maintainable solutions within the existing application frameworks</li><li>Implement the product&#39;s lifecycle: Design, development, quality, deployment and maintenance</li><li>Excellent knowledge of relational databases (PostgreSQL, Oracle), SQL and ORM technologies (JPA2, Hibernate)</li><li>Develop and adhere to DevOps best-practices for developing and deploying using applications using.</li><li>Continuously contribute to team performance improvement and collaboration</li><li>Ability to solve problems creatively and effectively</li><li>Experience working in an Agile/Scrum development process</li><li>Security clearance level: TS/SCI with Polygraph</li><li>Desired skills</li><li>Experience with Auditing and monitoring tools (Logstash, ElasticSearch, ELK stack)</li><li>Experience with Amazon Web Services (S3, RDS, EC2, ECS, Lambda, SQS, SNS, CloudFormation, etc.)</li><li>Location: Chantilly, VA - On Customer Site</li><li>US Citizenship Required</li></ul><ul></ul><ul></ul><ul></ul>GDIT IS YOUR PLACE:<ul><li>401K with company match</li><li>Comprehensive health and wellness packages</li><li>Internal mobility team dedicated to helping you own your career</li><li>Professional growth opportunities including paid education and certifications</li><li>Cutting-edge technology you can learn from</li><li>Rest and recharge with paid vacation and holidays</li></ul>#OpportunityOwned  #GDITCareers  #WeAreGDIT   #JET #GDITEnhanced2026 #VA_2026Alumni The likely salary range for this position is $170,000 - $230,000. 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:Less than 10%Telecommuting Options:OnsiteWork Location:USA VA ChantillyAdditional 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

Full Stack Java Developer - TS/SCI with Polygraph

Full Stack Java Developer

10+ years experience; TS/SCI with Polygraph; BS in Computer Science; front-end: ReactJS, JavaScript, TypeScript; back-end: Java Spring, REST; databases: PostgreSQL, MySQL; AWS; DevOps; Agile; US citizenship.

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