36,345 Web Application jobs in the United States

Overview Web Application Engineer - Innovate the Future of Defense Technology Astrion is on the lookout for a passionate Web Application Engineer who thrives on innovation, collaboration, and building powerful tools that make a difference. If you're excited about shaping the future of military capabilities across air, sea, land, space, and cyber domains - this opportunity is for you. Join a dynamic, mission-focused team developing next-generation digital toolkits that help represent innovative and future warfighting capabilities in high-impact DoD wargames. You'll work closely with military operators and acquirers, building seamless bridges between concept and capability, and enabling smarter, faster decisions in complex environments. Why This Role is Exciting: Impact at Scale : Contribute to real-world DoD projects that shape how the military thinks, plans, and operates in future conflicts. Cross-Domain Innovation : Work across all domains - air, sea, land, space, and cyber - integrating cutting-edge technology and operational energy strategies. Collaboration with Purpose : Partner with military leaders, technologists, and engineers to solve real-world challenges. Balance of Focus and Flexibility : Enjoy a mix of remote work, on-site engagement at strategic locations (like the Pentagon), and travel opportunities that bring your work to life. Preferred Skills & Experience: We encourage you to apply if you have experience or strengths in any of the following areas: Background in front-end development Strong object-oriented programming and software design fundamentals Proficiency in JavaScript , TypeScript , and RESTful web service development Experience with React , MongoDB , and building/consuming REST APIs Active-duty military experience and understanding of operational concepts is highly valued Strong desire to write great code, lead by example, and mentor junior developers What You'll Be Doing: Develop powerful, user-friendly software tools to support military planning and innovation Build and optimize front-end components that clearly communicate data and insights to military decision-makers Collaborate with stakeholders, designers, and other engineers to refine requirements and execute on the vision Implement and integrate classified capabilities as needed, working on secure systems with mission relevance Participate in wargames, capturing user feedback and using it to improve product functionality and user experience Write clean, well-documented code and develop technical documentation to support future enhancements Lead by example: estimate, prioritize, and take ownership of tasks while helping guide and mentor junior engineers Basic Qualifications: 5-10 years of experience in software development 5+ years of front-end development using modern JavaScript frameworks (React preferred) BS/BA in Computer Science, Engineering, or related field required Master's degree (MS/MA) preferred Experience supporting DoD projects highly preferred Security Clearance Requirements: Must be eligible for a TS/SCI clearance (US Citizen Required) Work Location & Travel: Primary site: Columbia, MD Remote work authorized with customer approval Travel: Approx. 10-20%, including some overseas travel and site visits Physical Requirements: Must be able to travel and conduct site visits in remote or industrial locations Ability to navigate stairs, open gantries, and rugged surfaces Occasional lifting of equipment, display materials, or tech mock-ups Valid passport required for overseas travel Join Astrion and Be the Difference in your career and the world! Astrion is an Equal Employment Opportunity Employer. We provide equal employment opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Responsibilities #J-18808-Ljbffr

It is an $800 million Company and the leading developer of mathematical computing software. They have over 3000 employees worldwide. They have over 90 well-known products used in various industries such as automotive, aerospace and defense, biotech, semiconductor, etc. It is a US-based company headquartered in Natick, MA, with branches in Bangalore, Delhi, and Pune, India. ABOUT KGiSL: KGiSL Group of Companies is part of the KG group, a 500 million USD premier industrial group in South India, with over 70 years of focus across multiple verticals including textile, engineering, healthcare, finance, IT & ITES services, infrastructure, and education. It is a CMM Level-4 company. Job Description The Web Application Engineer will utilize their web development expertise to improve the company’s eSupport and Community web applications. Responsibilities: Collaborate with Business areas and Usability teams to gather requirements and create functional specifications. Work with designers, quality engineers, user experience specialists, project managers, and application owners to develop high-quality web applications. Manage multiple development projects and coordinate with cross-functional teams through all development phases. The incumbent will: Design, develop, and implement changes to the eSupport and Community web applications. Work with business teams to develop and document requirements and specifications. Create technical specifications and review them with the Architecture team. Collaborate with User Experience and design teams on workflows and page designs. Ensure quality by working with Quality Engineers on test cases and plans. Coordinate with infrastructure teams to support high performance and availability of applications. Qualifications Bachelor's degree in Engineering with at least three (3) years of professional experience, or a Master's degree in Engineering. Experience developing MVC web applications using Ruby on Rails or Java in a commercial environment. Knowledge of Software Development Methodologies. Experience in gathering and writing Requirements and Functional Specifications. Experience working with Web Services (REST, SOAP). Knowledge of Cloud infrastructure services such as Amazon Web Services or Microsoft Azure. Experience with SOLR/Lucene. Experience with MATLAB. Additional Information Interested candidates may submit their resume to sean.s at kggroup.com or call (x1375) . #J-18808-Ljbffr

• Impact at Scale : Contribute to real-world DoD projects that shape how the military thinks, plans, and operates in future conflicts.
• Cross-Domain Innovation : Work across all domains - air, sea, land, space, and cyber - integrating cutting-edge technology and operational energy strategies.
• Collaboration with Purpose : Partner with military leaders, technologists, and engineers to solve real-world challenges.
• Balance of Focus and Flexibility : Enjoy a mix of remote work, on-site engagement at strategic locations (like the Pentagon), and travel opportunities that bring your work to life.

• Background in front-end development
• Strong object-oriented programming and software design fundamentals
• Proficiency in JavaScript , TypeScript , and RESTful web service development
• Experience with React , MongoDB , and building/consuming REST APIs
• Active-duty military experience and understanding of operational concepts is highly valued
• Strong desire to write great code, lead by example, and mentor junior developers

• Develop powerful, user-friendly software tools to support military planning and innovation
• Build and optimize front-end components that clearly communicate data and insights to military decision-makers
• Collaborate with stakeholders, designers, and other engineers to refine requirements and execute on the vision
• Implement and integrate classified capabilities as needed, working on secure systems with mission relevance
• Participate in wargames, capturing user feedback and using it to improve product functionality and user experience
• Write clean, well-documented code and develop technical documentation to support future enhancements
• Lead by example: estimate, prioritize, and take ownership of tasks while helping guide and mentor junior engineers

• 5-10 years of experience in software development
• 5+ years of front-end development using modern JavaScript frameworks (React preferred)
• BS/BA in Computer Science, Engineering, or related field required
• Master's degree (MS/MA) preferred
• Experience supporting DoD projects highly preferred

• Must be eligible for a TS/SCI clearance (US Citizen Required)

• Primary site: Columbia, MD
• Remote work authorized with customer approval
• Travel: Approx. 10-20%, including some overseas travel and site visits

• Must be able to travel and conduct site visits in remote or industrial locations
• Ability to navigate stairs, open gantries, and rugged surfaces
• Occasional lifting of equipment, display materials, or tech mock-ups
• Valid passport required for overseas travel

About the job Web Application Developer
Top Secret Clearance Jobs is dedicated to helping those with the most exclusive security clearance find their next career opportunity and get interviews within 48 hours.

Active Top Secret (TS/SCI) Clearance With Polygraph Is Required. Visionist has an exciting new, fully FUNDED opportunity for a Web Application Developer on our largest PRIME contract. Our team of Analysts and Engineers is motivated by the direct impact on the mission, crafting specialized tools for enhanced efficiency and quick iterations for our operations user base. Seeing your tools in real-time action brings immediate gratification. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support. The program is characterized by innovation and excitement, fostering meaningful engagements, and offering distinctive collaboration opportunities with users, policy makers, and mission leadership, all while maintaining a service mindset. If you thrive in a collaborative work environment and enjoy utilizing a diverse tech stack, then this opportunity is tailor-made for you!

For over 13 years, Visionist has been solving the Intelligence Community's toughest software and analysis challenges. We embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. If you'd like to join a collaborative group supporting mission critical tasking in a cleared environment, then Visionist is the place for you. Learn more about us at

Your contributions are.

• Design and develop reusable components for a brand-new graphing web application
• Write clean code that adheres to leading design patterns and the five SOLID design principles
• Devise generic solutions to complex questions users may need answered via user-facing features
• Pitch small UI interactions that can be implemented to delight and bring joy to users
• Work with the team's UX lead to refine, optimize, and ultimately perfect user workflows
• Work with stakeholders to intimately understand their domain, frustrations, and their needs

• Bachelor's degree in a technical discipline. (Additional 4 years of experience may substitute degree)
• 8 years of experience in development
• Experience with component-based UI frameworks like Angular, React, and Vue
• Experience with HTML, CSS, Sass, NPM, and REST APIs
• Experience developing single-page web applications (SPAs)
• Familiarity with Git and GitLab CI/CD

• We are a 100% employee-owned company, so our employees see the benefit of their contributions and have a stake in our overall success!
• 10% ESOP contribution + 5% 401K match + 8% employee 401K contribution = 23% combined annual contributions
• 4 weeks paid time off that is never "use or lose", 12 paid holidays, comp time, overtime, AND flexible work hours
• 40 hours of paid parental leave with an additional $5,000 supplemental payment upon returning from maternity
• Medical, dental, & vision benefits for both individuals and families (those who waive medical benefits will receive an additional $,030/year)
• Annual lifestyle bonus of 600 - use it towards gyms/fitness, new tech, or your HSA!
• Annual merit increases & performance-based bonuses
• Term life insurance, short-term disability, & long-term disability

Web Application Developer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

This position supports the customer’s go-to product for a high profile delivery function, and will provide the opportunity of experience with innovative and cross-fabric digital solutions. As a software developer, you will work directly with software leads as well as users to design and implement new web-based interfaces and/or services. Bring your experience in cleared environments to advocate for an improved user experience and real world best practices applied to the secure environment. Come join an award-winning team, bringing software modernization and new capabilities to our customer’s mission!

Hybrid work from home option available.

Qualifications

Required:

• TS/SCI w/Poly Clearance required

• Bachelor’s degree in Computer Science or related field.

• At least 7 years of experience in web development, with experience in:

• Platforms/ Architecture styles such as Javascript, HTML, CSS, Angular Material UI components

• Development Process and Tools such as Angular (v2-12) Single Page Web Applications using node.js and TypeScript

• C# (WCF or WebAPI a plus).

• Experience in ASP.NET frameworks.

• Proficiency in using MVC patterns.

• Great understanding of APIs and REST Web Services.

• Familiarity with PL/SQL.

• At least 3 years of experience developing and/or deploying software on high side environments

• Direct experience using secure authentication technologies like SAML and OIDC in a government setting

• Experience building and maintaining Continuous Integration/Continuous Deployment (CI/CD) processes.

• Able to plan strategically and organize work within sprints.

• Ability to learn and apply functional concepts very quickly.

Desired:

• Master’s degree in Computer Science or related field

• At least 3 years of experience integrating relational data with user-facing applications

• Experience with developing replacement systems and meeting user expectations and implied requirements.

• Experience with HighView.

• Experience using JIRA and/or Confluence.

___

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'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.

Your potential is limitless. So is ours.

Learn more about CACI here. (

___

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. Learn more here ( .

The proposed salary range for this position is:

$103,800 - $218,100

CACI 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.

• Design and develop reusable components for a brand new graphing web application.
• Write clean code that adheres to leading design patterns and the five SOLID design principles.
• Devise generic solutions to complex questions users may need answered via user-facing features.
• Pitch small UI interactions that can be implemented to delight and bring joy to users.
• Work with the team's UX lead to refine, optimize, and ultimately perfect user workflows.
• Work with stakeholders to intimately understand their domain, frustrations, and their needs.

• Considerable experience with component-based UI frameworks like Angular, React, and Vue.
• Considerable experience with other core project tech - HTML, CSS, Sass, NPM, and REST APIs.
• Experience developing single-page web applications (SPAs).
• Familiarity with Git and GitLab CI/CD.
• Commitment to design patterns and modern front-end development principles.

• Angular experience with versions 12+.
• Experience with Cytoscape.
• Experience with graph databases such as Neo4j.
• Experience with networking concepts, protocols, and analysis (routers, switches, etc.).
• Knowledge of SIGINT collection and analysis systems.
• Experience with production CNO capabilities and operations.

• Three Carefirst medical plans available. Intezra pays up to 100% healthcare premium and up to 100% of the deductible amount depending on plan selection for employee and their dependents.
• Intezra pays 100% for Carefirst Dental and Vision plans for employees and their dependents
• 401k: 15% company contribution (no match required)
• PTO 160 hours, increases with seniority
• 11 Floating Holidays
• 4 Code Red Days

The Web Application Developer will be a core member of the SiloSmashers project team supporting the client and working collaboratively with client website managers, technical teams and business owners as needed.  The candidate will be available Monday through Friday, is anticipated to work on-site at the client's location and although not anticipated, may support occasional events held during non-standard business hours, in the evening or on weekends.  

Responsibilities:

The candidate will provide website management services for the client supporting the look, layout, and features of the client maintained websites; there are three such websites currently.

Tasks that will be managed and performed by the candidate will include, but not be limited to the following: 

• Plan website content based on technical, aesthetic and functional criteria provided by the program office
• Support programs through the development of web content and propose new industry practices which may improve web content or accessibility
• Facilitate the creation, management and delivery of information (content and documents), through websites, portals, extranets or intranets
• Provide subject matter expertise and support for the development, coordination and management of websites and digital communication tools
• Provide web content management, including updating and managing websites, to ensure consistency and a professional look, and graphics
• Maintain records of web content changes and a list of areas for enhancements
• Assist the client in promotion of brand consistency on websites
• Interview thought leaders and business owners of the client organization regarding potential content and design support for multiple websites to be created and developed

   Qualifications:

• A minimum of five to seven years of website architecture and design experience is required.  Experience working with a federal client is preferred
• Bachelor's Degree in Computer Science, Web Architecture and/or Design or a related field is required. Master's Degree preferred
• Experience interviewing stakeholders, including technical staff and management for  collection of requirements to create content, format and design of currently maintained websites is required
• Team player easily able to integrate into established team(s) required    
• Proficient user of the Microsoft Office Suite and Google Apps
• A minimum of one year hands on web design experience is highly preferred  
• Technical background for communications with technical SMEs highly preferred

Knowledge, Skills and Abilities:

• Excellent written and verbal skills required
• Able to meet deadlines and/or shifting priorities due to organizational changes
• Skilled in delivering content via multiple media channels
• Design and configuration skills preferred
• Familiar with cloud technology is preferred 
• Ability to coordinate and facilitate client stakeholder meetings beneficial
• Familiar with the acquisition/procurement concepts for a federal client would be beneficial

The above information is designed to outline the functions and position requirements of this job. It does not identify all tasks that may be expected, nor address the performance standards that must be maintained.

SiloSmashers, Inc. is a strategy, technology, and management consulting firm, founded in 1992, and located in Herndon, Virginia. SiloSmashers delivers superior services and solutions to the public sector in the areas of project/program management, performance management, and IT security. The company provides innovative, collaborative business approaches, and proven methodologies that enable customers to break down organizational silos and optimize operational efficiency to achieve peak performance and mission success. The dedicated professionals of the SiloSmashers develop a variety of solutions for customers. We offer customer-specific solutions that respond quickly and effectively to our customers' needs.This approach yields outstanding program execution, which translates directly into program success. SiloSmashers offers competitive benefits and compensation packages and we are an Equal Opportunity Employer.