460 Results for

Application Developer Jobs in Ashburn, VA

Jobs

New!

Reston, VAToday

Dev Technology Group is seeking .NET Developers in the local Chicago and Washington D.C. areas to support our federal government client's mission to develop new tools and technologies, make enhancements, and provide Operations and Maintenance (O&M) support for existing systems. As a Washington Post Top Workplace award winner for the past TWELVE years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy.

New!

Germantown, MD4 days ago

$100,000–$150,000 Per Year

6 – 8 years+ experience designing, developing, testing, and maintaining custom Jira solutions, software development, particularly with Java, JavaScript, Relational databases (SQL and SQL Managed Instance). Senior Applications Developer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions.

New!

Vienna, VA6 days ago

Full-time
Employee

The ideal candidate will have a passion for technology, a strong desire to learn, and the ability to work collaboratively with our experienced development team. This internship provides an excellent opportunity for hands-on experience in software development within the context of government projects.

New!

Vienna, VA6 days ago

Full-time
Employee

5+ years of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, JavaScript/TypeScript, and MS SQL Server, Identity. 5+ years of experience with Agile methodology and eXtreme Programming best practices like TDD, CI/CD, and pair programming. Experience deploying and managing applications using cloud services such as Azure App Services, Azure Functions, AWS EC2, Lambda, or containerized.

New!

Chantilly, VA5 days ago

Intern

With the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. This is a unique opportunity for a college student to gain hands-on experience working on an established, high-scale project, where you will contribute to real-world features that power global wireless networks.

Washington, DC7 days ago

$95,000–$125,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our development strategy is agile and policy-driven, allowing us to identify attractive markets and rapidly advance projects that deliver both economic and environmental value to local communities.

New!

Washington DC, DC4 days ago

2+ year of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, and MS SQL Server, Identity. Plan, design, build, test, deploy and maintain highly scalable web-based services using modern technologies.

New!

McLean, VA6 days ago

However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.

New!

McLean, VA6 days ago

New!

Washington, DC3 days ago

$55–$65 Per Hour
Full-time
Employee

Job Details:Role: Oracle OIC Developer/Admin - LN03192026Location: Washington, DC (On-site with Hybrid) Duration: 12+ Months ContractJob Summary:Contractor will be modernizing and sustaining the financial system for USAC, to include implementing Oracle EBS on Oracle Cloud Infrastructure (OCI). Required Skills/Level of Experience:4 years of hands-on experience building complex integrations using OIC Gen2 or Gen 3.

New!

DC, DC2 days ago

$45–$57 Per Hour

Candidates should have demonstrated experience in the following areas: Georeferencing and digitizing real estate agreements and supporting documents into enterprise GIS systems. Job Description: The candidate should have significant experience working with the ArcGIS platform developing and maintaining geospatial data, maps and map layers.

Washington, DC12 days ago

$80–$85 Per Hour
Full-time
Employee

DC Public Schools (DCPS) aims to engage an experienced developer with at least 4 years of experience to maintain a suite of previously created applications as well as design, develop, and document projects and applications using PowerApps and the Power Platform suite. The contractor shall establish suitable processes and systems to guarantee the most regimented organization of resources involved in the support of the QuickBase Applications including project tracking and knowledge management.

McLean, VA26 days ago

Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. The ideal candidate will analyze and convert complex SQL queries to align with new data sources, work with Snowflake for data warehousing, and support technology delivery activities for business and support teams.

McLean, VA26 days ago

$55.24–$70.47 Per Hour
Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

Washington, DC21 days ago

$75–$80 Per Hour
Full-time
Employee

The Department of Human Services seeks a UI/UX Designer with 11years of experience in systems modernization, responsible for planning and developing wireframes, GUI prototypes, and component-level designs. The Department of Human Services is seeking a candidate with 11 years of experience serving as a UI/UX Designer on systems modernization projects.

New!

Tysons, VA6 days ago

$140,000–$215,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

Arlington, VA7 days ago

$120,000–$150,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!

McLean, VA7 days ago

$150,000–$220,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Lead new product initiatives building on a proven quality and reliability platform to improve developer experience across AI, API, CLI, and VPC uses, new product org!

Fairfax, VA29 days ago

$78,000–$136,000 Per Year
Temporary
Contractor
Full-time

SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.

New!

McLean, VA2 days ago

The position focuses on enabling reliable and scalable software delivery by building and optimizing CI/CD pipelines, infrastructure automation, and deployment workflows, while improving developer experience, release velocity, application quality, and system reliability across multi-stack environments. We have an immediate need for a mid-level DevSecOps Engineer to support the development, enhancement, and operation of scalable, application-focused CI/CD pipelines and automation frameworks for build, test, and deployment workflows in AWS GovCloud.

Washington, DC12 days ago

Remote

$50,000–$60,000 Per Year
Full-time
Employee

Programming experience (minimum 6 months) from academic coursework, hands-on projects, or professional work in one or more of the following: Java, Python, C, C#, C++, JavaScript, R, SQL, MATLAB, Mathematica, TypeScript, Shell scripting, Go, or Kotlin. This program offers motivated learners a pathway to gain real-world experience through immersive, paid training in technologies including Java, IntelliJ, MySQL, Spring, HTML, CSS, JavaScript, REST, and React.

New!

Arlington, VAToday

$113,000–$188,000 Per Year

Demonstrated experience with: Cloud platforms: AWS (S3, Lambda, ECS, SQS), Azure (CosmosDB, Functions); Containerization and orchestration (Docker, Kubernetes); CI/CD tools (Jenkins, Maven, Git, Bitbucket, GitHub); Monitoring and logging tools (Splunk, CloudWatch, Kibana, Elasticsearch). Proficient experience with: Programming languages (Java, Python, SQL, Pyspark); Data pipeline and ETL development; Database technologies (Oracle, MySQL, Postgres, SQL Server, MongoDB); Data modeling, stored procedures, and API development (RESTful, SOAP).

Tysons, VA12 days ago

$175,000–$200,000

Hands-on experience with ServiceNow components, such as Predictive Intelligence, Change Management, Service Catalog, Incident Management, Problem Management, Release Management, CMDB, CSM, Knowledge Management, Self-Service Portal, etc. This position supports technical solution and development / implementation of solutions that leverage the OOTB ServiceNow modules and Custom App to migrate legacy applications to the DLA Enterprise ServiceNow platform.

New!

McLean,, Virginia4 days ago

$100–$105 Per Hour
Contractor

This role uniquely combines hands-on technical leadership with strategic thinking, requiring someone who can design & deliver solutions for today while building capabilities for tomorrow’s AIdriven landscape. The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment.

New!

McLean, VAToday

$113,000–$188,000 Per Year

You will work closely with product owners, analysts, and mission stakeholders to translate real-world domains—such as case management, operations, and reporting—into well-governed ontologies composed of entities, relationships, properties, and actions. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.

New!

McLean, VA6 days ago

The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

New!

McLean, VA6 days ago

McLean, VA13 days ago

New!

Arlington, VA5 days ago

Remote

$80,000–$150,000
Full-time
Employee

Determines computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepares operating instructions; designs and develops compilers and assemblers, utility programs, and operating systems. 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD in related field; or High School Diploma or equivalent and 13 years relevant experience.

New!

Springfield, VA5 days ago

$90,501–$130,000
Full-time
Employee

Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.

New!

Springfield, VA5 days ago

$76,164–$180,000
Full-time
Employee

Desired experience: Experience supporting; ServiceNow ITSM implementations, federal or regulated environments, platform governance and backlog management, user acceptance testing (UAT) and release validation. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.

New!

Springfield, VA5 days ago

$76,164–$165,000
Full-time
Employee

This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.

New!

Springfield, VA5 days ago

$95,880–$120,000
Full-time
Employee

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in realted field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Desired certifications or training: Formal SharePoint training or certifications such as Microsoft 365 Certified: Teamwork Administrator Associate, SharePoint Administrator Associate, or Microsoft Certified: Solutions Expert (MCSE) in Collaboration/SharePoint.

New!

Fairfax, VA5 days ago

$94,750–$135,357
Full-time
Employee

HII - Mission Technologies is currently seeking a Junior BI Developer/Analyst to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Develops business intelligence components supporting War Data Platform (WDP) Core Integration data operations by preparing structured datasets, building baseline dashboards, and conducting routine analytic validation across Unclassified and NIPR, Secret and SIPR, and Top Secret and JWICS enclaves.

Sterling, VA28 days ago

Full-time
Employee

Job title: Python DeveloperLocation: Washington, DCClient: GSA Data.govClearance: Public Trust ClearanceOverview: We are looking for a Senior Backend Engineer to support federal software engineering efforts, primarily focused on operations and maintenance of Data.gov applications. The ideal candidate has strong Python and Flask experience, and is comfortable working in a dockerized development environment.

New!

Fairfax, VA5 days ago

Remote

$110,747–$170,000
Full-time
Employee

Five or more years of specific successful Business Development, Capture Management or Program Management experience within the defense or federal market areas including but not limited to: Acquisition, Global Logistics, Integrated Product Support, Modernization, Intelligence and Operations, Engineering Services and additional capability/market areas required to sustain manned and unmanned platforms. The ideal candidate should understand services type contract arrangements and acquisition life cycles, and understand the organizational structure and mission of the 11 Unified Combatant Commands in the Department of War, the Department of State, the Department of Homeland Security, the Federal Emergency Management Agency, and other FEDCIV agencies.

Washington, DC23 days ago

Remote

$62,000–$80,000 Per Year

The mental requirements that are essential to satisfactorily executing the responsibilities outlined in this job description include, but are not limited to: learning new tasks, comprehending, and retaining information, completing tasks independently, effectively communicating verbally and in writing, demonstrating proficiency in using computer software to perform assigned tasks. Corus also provides a generous retirement plan and PTO to include vacation, sick, holiday, parental, jury, international travel, and bereavement leave; employer-sponsored basic life/AD&D insurance; employee wellness incentives, and employee work/life balance and assistance programs.

Washington, DC19 days ago

$135,000–$145,000 Per Year

We are seeking a highly skilled GIS Application Developer to design and build advanced geospatial solutions supporting federal intelligence operations. We are looking for a builder-someone who can design, develop, and deliver advanced geospatial solutions in a secure, high-stakes environment.

Chantilly, Virginia25 days ago

$90,700–$141,775 Per Year

Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Responsibilities: Noblis is seeking an experienced Web Application Developer III to design, build, and maintain high-quality web-based applications that support the forensic and investigative mission space.

Washington, DC16 days ago

Full-time

Experience developing and supporting applications anchored in Oracle, SQL Server, MySQL, and newer implementations, and different or emerging technologies, including cloud and AI. Nalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions.

Chantilly, VA12 days ago

As a Senior Web Application Developer, you will be responsible for designing, testing, and developing well-designed web-based software that supports the forensic and investigative ecosystem. Sentar is dedicated to developing the critical talent that the connected world demands to create solutions to address the convergence of cybersecurity, intelligence, analytics, and systems engineering.

Ashburn, VA30+ days ago

Cardinal Technology Systems, Corp (“CTech-Sys”), www.ctech-sys.com, is an SBA Certified 8(a) and HUBZone company located in the National Capital Region (NCR) and serves both government and commercial clients such clients as US CBP, US CIS, DLA, DFuse Technologies, and American Environmental Engineering Consultants. Performs high level studies, analysis and evaluations of recent designs, integrations, documentation and implementation of similar complex projects.

Ashburn, VA30+ days ago

Cardinal Technology Systems, Corp (“CTech-Sys”), www.ctech-sys.com, is an SBA Certified 8(a) and HUBZone company located in the National Capital Region (NCR) and serves both government and commercial clients such clients as US CBP, US CIS, DLA, DFuse Technologies, and American Environmental Engineering Consultants. Participates as high-level technical expert in design development, coding, testing, and debugging new software or significant enhancements to existing software.

New!

Chantilly, VA2 days ago

Full-time

Proficiency with HTML5/CSS3, RESTful API, Bootstrap, frontend build tools, backend web technologies (.NET C#, Python, Node.js), database integration (MySQL, PostgreSQL, Microsoft SQL), Section 508 compliance, web security best practices, and performance optimization techniques. Bachelor's or Master's degree with 8 years of experience, or Associate degree with 11 years, or High School/Diploma with 14 years of experience.

Reston, VA30+ days ago

EntropyZero Consulting is a boutique software engineering consultancy focused on delivering quality software and software engineering solutions to public sector and commercial clients. In past Entropy Days, we've programmed robots to battle each other in a winner takes all tournament and shared presentations on topics as diverse as drones and robotics, paragliding, and home brewing.

New!

Rockville, Maryland5 days ago

$65–$75 Per Hour

Hands-On Design & Development: Collaborate with technical leads and work closely with other developers to design and implement migration patterns, reusable components, and reference code that support teams transitioning legacy Java/J2EE applications to AWS. AWS Service Integration: Select and integrate AWS services based on application needs, such as EC2/ECS/EKS for compute, S3 for storage, RDS for databases, API Gateway for APIs, and Lambda for event-driven processing.

Chantilly, VA26 days ago

You will develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics to support a forensic and investigative ecosystem. Sentar is dedicated to developing the critical talent that the connected world demands to create solutions to address the convergence of cybersecurity, intelligence, analytics, and systems engineering.

Bethesda, MD17 days ago

Full-time

Ensure backend services align with Government-approved security architectures including Zero Trust principles, FedRAMP Moderate baseline requirements, DoD IL4 Overlay requirements, and FIPS-validated encryption in transit and at rest. NDC serves as the Navy's ionizing radiation dosimetry center of excellence, providing naval commands worldwide with radiation dosimetry processing, consultation services, and comprehensive exposure recordkeeping in support of force health protection and regulatory compliance.

Sterling, VA10 days ago

Full-time

SENIOR SOFTWARE ENGINEER (5 positions offered) to design, develop and code applications using Java and Scala; Integrate backend software applications using Postgres and NoSQL databases; Create performance test suite using Jmeter; Implement cloud infrastructure using AWS services; Build Continuous Integration and Continuous Deployment (CI/CD) pipelines using Github, Jenkins and Artifactory. A Bachelor’s degree with 5 yrs of progressively responsible experience will be accepted in lieu of the Master’s degree and 2 years of experience; Any suitable combination of education, training or experience is acceptable.

New!

Fairfax, VA5 days ago

$118,987–$169,982
Full-time
Employee

HII - Mission Technologies is currently seeking an Intermediate-level Data Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform data integration and analytics environment designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Collaborates with platform, infrastructure, and data governance teams to incorporate architectural updates, security changes, and tool enhancements into ongoing operations, strengthening stability and mission value across all War Data Platform (WDP) Core Integration enclaves.

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Application Developer Jobs in Ashburn, VA

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Web Application Developer III Noblis

Application Developer - Mid & Sr Nalley Consulting

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