4,827 Results for

Application Developer Jobs in Fairfax, VA

Jobs

Full Stack Software Developer Glint Tech Solutions LLC

Reston, VA

Backend: Java 17+, Spring Boot, unit/integration testing with JUnit/TestNG. A leading enterprise client is undergoing a legacy web application modernization and AWS cloud migration effort.

30+ days ago

Java Full Stack Developer - TS/SCI w/Poly Cohere Technology Group LLC

Chantilly, VA

The team is building a large-scale enterprise application using web technologies, distributed computation and storage frameworks, and sophisticated, cutting-edge domain analytics, with the system hosted on virtualized and cloud-computing platforms. The Java Full Stack Developer will develop software and extend the software baseline to implement new capabilities and to mature existing capabilities using key enabling technologies and frameworks.

16 days ago

Modern Application Developer EntropyZero Consulting

Reston, VA

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.

30+ days ago

Software Developer Open Systems Technologies Corporation

Chantilly, VA

Quick Apply

They must have strong, firsthand technical expertise in a variety of configuration automation, deployment, and continuous integration technologies and the proven ability to fashion robust solutions that can keep pace with software development. The Elasticsearch Engineer/Developer will develop, deploy, administer, upgrade, and monitor the ElasticStack cluster within cloud and on-prem infrastructure, designed to deliver complex software products into a production environment.

30+ days ago

Senior Web Developer - Active Secret Clearance TOMORROW HIRE

Chantilly, Virginia

We are seeking a Senior Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, Artificial Intelligence, and Amazon Web Services to develop business applications in support of a government customer. The developer will collaborate with analysts, project leads, UI/UX developers, testers, and customers to define requirements, implement business logic, and refine applications.

24 days ago

Web Developer Mid CACI

Chantilly, Virginia

CACI is seeking a Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, Artificial Intelligence, and Amazon Web Services to develop business applications in support of a government customer. 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.

30+ days ago

9128 - Front-End Developer Indrasoft

Columbia, Maryland

Remote

Maintain job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment, participating in educational opportunities, reading professional publications, maintaining personal networks, and participating in professional organizations. Write well-designed, testable, and efficient code for software components, units and modules that meet product specifications and development schedules using structured development processes.

30+ days ago

2123 - Full Stack Developer Indrasoft

Columbia, Maryland

Remote

Sitting and working on a computer for long, continuous periods each day; effective communications by telephone, email, and face-to-face; standing, walking, and sitting; handling and feeling objects or controls; reaching; talking and hearing; lifting and/or moving up to 10 pounds; and specific vision abilities including close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust and focus. Maintain job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment, participating in educational opportunities, reading professional publications, maintaining personal networks, and participating in professional organizations.

13 days ago

Cloud Developer / Software Engineer Bridge Core (BCore)

Herndon, Virginia

Full time

As a Full Stack Developer, you will play a critical role in designing, developing, and deploying sophisticated enterprise computing infrastructure, including web applications, network infrastructure, and cloud services. Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions.

30+ days ago

Software Engineer/Developer FSP TENICA and Associates LLC

Chantilly, VA

TENICA provides knowledgeable and experienced subject matter experts to perform a variety of professional services, logistics and supply chain management, crisis prevention and response, and information technology solutions to solve dynamic security challenges. Founded in 2008 and based in Chantilly, Virginia, TENICA is a Service Disabled Veteran Owned, Woman Owned, Small Business (SDVOB and WOSB) and is a participant in the Small Business Administration’s 8(a) business development program.

10 days ago

CNO Developer Red Horse Corporation Ltd.

Herndon, VA

$125,000–$300,000 / year

We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. We encourage all candidates who meet the basic requirements to apply, even if you do not have any of the following experience: Experience with network protocol analysis and static/dynamic malware analysis on mobile platforms (iOS/Android).

30+ days ago

Java Developer CSI

Chantilly, Virginia

Responsibilities include: identify system scope and objectives; determine system equipment capacity, operating parameters, and throughput; prepare detailed specifications; design, code, test, and debug; perform quality assurance reviews; contribute to development of security authorization documentation; represent program in design reviews and demonstrations; and mentor junior developers. Our expertise in Data/Information, IT Services/Applications, Cybersecurity/Information Assurance, and Counterintelligence/Insider Threats enables us to effectively operate from the C-Suite to the Dev-Suite working with partners and clients to solve the most difficult challenges.

30+ days ago

Software Developer (SME) [Systems Software] - $225K - $250K RCT Systems, Inc.

Chantilly, VA

$225,000–$250,000 / year

Lead technical efforts supporting an enterprise IT model focused on talent, learning/training compliance, foreign-language development, recruiting, selection, and performance management. Develop IT documentation such as SOPs, workflows, knowledge bases, deployment checklists, architecture diagrams, security plans, and administrative procedures.

16 days ago

Lead Appian Developer ICF

Reston, Virginia

Remote

$144,381–$245,448 / year

Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. ICF combines public-sector domain expertise with an ecosystem of platform partners and digital practices to rapidly deliver complex, scalable solutions that achieve clients' mission outcomes and a step change in productivity.

30+ days ago

Appian Developer ICF

Reston, Virginia

Remote

$81,499–$138,549 / year

30+ days ago

Senior Appian Developer ICF

Reston, Virginia

Remote

30+ days ago

Software Developer Turing

Washington, District of Columbia

Remote

$200–$300
Quick Apply

Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional teams to enhance enterprise-level AI-driven coding solutions.

1 day ago

Mid-Level Full Stack Developer Synergy ECP LLC

Suitland, MD

We are looking for a Full Stack Developer who combines deep Python expertise with genuine frontend craftsmanship, thrive in classified environments, and bring the kind of disciplined engineering mindset that produces secure, maintainable systems under real operational pressure. On any given week, you might be extending a Django-based API gateway, building a new React dashboard for an operational workflow, writing migration scripts to bring legacy data into a modern PostgreSQL schema, or wiring up Keycloak authentication for a new service.

30+ days ago

Software Developer II (Kubernetes and Integration Specialist) Rite-Solutions Inc

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Arcfield 's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long-Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

30+ days ago

Enterprise - Salesforce Agentforce Developer Slalom Inc

Washington, DC

$126,000–$154,000 / year

Salesforce AI Associate, Salesforce AI Specialist, Salesforce Administrator, Salesforce Platform App Builder, Salesforce Platform Developer I, Salesforce JavaScript Developer I, Sales Cloud Consultant, Service Cloud Consultant, Data 360 Consultant, Agentforce Legend (Agentblazer). Agentforce, Prompt Builder, Einstein Copilot / Einstein Assistant, Einstein Model Studio, Data Cloud Retrievers, RAG patterns, Salesforce APIs, Salesforce integrations, Apex, Lightning Web Components, JavaScript, Flow, Automation.

30+ days ago

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Application Developer Jobs in Fairfax, VA

Full Stack Software Developer Glint Tech Solutions LLC

Java Full Stack Developer - TS/SCI w/Poly Cohere Technology Group LLC

Modern Application Developer EntropyZero Consulting

Software Developer Open Systems Technologies Corporation

Senior Web Developer - Active Secret Clearance TOMORROW HIRE

Web Developer Mid CACI

9128 - Front-End Developer Indrasoft

2123 - Full Stack Developer Indrasoft

Cloud Developer / Software Engineer Bridge Core (BCore)

Software Engineer/Developer FSP TENICA and Associates LLC

CNO Developer Red Horse Corporation Ltd.

Java Developer CSI

Software Developer (SME) [Systems Software] - $225K - $250K RCT Systems, Inc.

Lead Appian Developer ICF

Appian Developer ICF

Senior Appian Developer ICF

Software Developer Turing

Mid-Level Full Stack Developer Synergy ECP LLC

Software Developer II (Kubernetes and Integration Specialist) Rite-Solutions Inc

Enterprise - Salesforce Agentforce Developer Slalom Inc

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