13,501 Results for

Applications Developer Jobs in Montpelier, MD

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Lead Software Developer 3 Lentech Inc.

Fort Meade, MD

$290,672–$310,426 / year

Experience in software development with basic programming languages, technologies, tools, or web development stacks, and Java and JavaScript in a Linux environment; Experience writing source code for new applications or generating and enhancing code samples for existing applications; Experience using back-end and front-end languages to develop complete solutions; Experience designing, modifying, developing, writing, and implementing software programming applications using agile methods; Experience creating solutions to complex problems within a collaborative, cross-functional team; Preferred: Experience with Java libraries to include MongoDB, Spring, and OSGi; Experience with Perl, Python, Lua and NGINX; Education : Bachelor’s degree in Computer Science . Lentech’s Mission Technical Solutions Division is focused on providing engineering, operations, I&T and technical services to civil and defense customers primarily in the aerospace fields.

6 days ago

Software Developer 2 Lentech Inc.

Annapolis Junction, MD

$204,860–$218,782 / year

Lentech’s clients achieve full life-cycle support and cost-effective managed services supporting enterprise computing and applications initiatives for Government agencies. Lentech’s Mission Technical Solutions Division is focused on providing engineering, operations, I&T and technical services to civil and defense customers primarily in the aerospace fields.

30+ days ago

Software Developer (Expert) [Full Stack] - $179K - $199K RCT Systems, Inc.

Reston, VA

$179,000–$199,000 / year

Join a 200+ person technical development program supporting government entitlement, Identity & Access Management (IdAM/ICAM), authentication/authorization, attributes, and digital policy systems. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex (to include pregnancy and related conditions, sexual orientation, and gender identity), national origin, disability, veteran status, or any other federally protected class.

20 days ago

Senior Developer Platinum Technologies

Herndon, Virginia

Working within an Agile DevSecOps environment, the Senior Developer collaborates with ontology engineers, software engineers, database engineers, data engineers, and Government stakeholders to deliver high-quality software that supports operational mission requirements. This position develops application services, APIs, user interfaces, and backend components that leverage enterprise ontologies, knowledge graphs, and Semantic Web technologies to support data interoperability and mission workflows.

30+ days ago

Python Developer Artech LLC

Mclean, VA

$40–$45 / hour
Quick Apply

The client is seeking experienced Application Development Leads to support strategic engineering initiatives within enterprise developer platforms and open-source enablement programs. These roles will focus on backend development, developer experience, CI/CD automation, cloud-native infrastructure, and AI-assisted development workflows.

12 days ago

Windows Kernel Developers - on site - Chantilly, VA P3f LLC

Perry Hall, MD

Full time

The ideal candidate is honest, reliable, and has a proven record of accomplishment in computer security. Three years of Windows kernel level debugging and diagnostics using.

30+ days ago

Software Engineer III - Full-stack Developer with Anthropic Experience Deloitte Touche Tohmatsu Ltd

McLean, VA

$122,000–$240,500 / year

Integrate large language model platforms and generative artificial intelligence application programming interfaces, including Anthropic Claude, to deliver context-aware features, retrieval-augmented generation pipelines, tool-calling workflows, and automation solutions. Experience with at least one major cloud platform, including Amazon Web Services, Microsoft Azure, or Google Cloud Platform, and one year of hands-on experience integrating Anthropic Claude application programming interfaces into software applications in a commercial setting.

30+ days ago

Software Developer, Principal Parsons Commercial Technology Group Inc.

Herndon, VA

$148,300–$266,900 / year

Architect advanced data fusion and entity resolution capabilities, and guide the development of interactive dashboards, custom interfaces, and data visualization capabilities to support SIGINT analysis, vulnerability research, and collaborative mission workflows, while defining secure integration architectures and interfaces with external AI platforms. The platform integrates multiple intelligence data sources into a unified operational environment, leveraging modern data processing technologies, APIs, advanced data correlation and entity resolution, and advanced visualization capabilities to support intelligence analysis, vulnerability research, and collaborative mission planning.

3 days ago

Salesforce Web Developer (Cleared) Blue Sky Innovative Solutions

Fort Meade, MD

Quick Apply

Blue Sky Innovative Solutions (Blue Sky) assists its federal, state and local, and commercial clients with solving their toughest challenges in the areas of IT Infrastructure Support and Engineering; Application Development and Maintenance; Program and Project Management; and Management Consulting. What You'll Need to Join the Team Bachelor's degree + 5 years of experience with Agile development and the Atlassian suite, including custom Apex, Lightning Web Components, and platform configuration, or 9 years of applicable experience.

30+ days ago

Summer Associate Internship (Mobile Developer) Navy Federal Credit Union

Vienna, VA

Associate Mobile Developers complete clearly scoped development work under guidance, participate in team delivery activities, apply feedback, and build the technical and collaboration skills needed to become increasingly independent contributors. Accommodations: If you need accommodation or assistance for a qualifying condition to complete the online application (or during any stage of the hiring process), you can contact Navy Federal''s Medical Accommodations team at medicalaccommodations@navyfederal.org or by calling 1-888-503-6013.

30+ days ago

Quality Assurance Tester / Front-End Developer Savan

Washington, DC

$95,000–$115,000 / year

Implement targeted front-end fixes and enhancements using React, TypeScript, Material UI (MUI), and React Query / TanStack Query, including component behavior, forms, tables, filtering, validation, data fetching/caching, state synchronization, and responsive layout. The selected candidate will work closely with developers, program leadership, testers, and business users to validate requirements, identify defects before release, improve user-facing behavior, and contribute small-to-medium front-end changes when needed.

7 days ago

Python Developer ICF International Inc

Adelphi, MD

$81,499–$138,549 / 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. This work will include developing cyber defenses, supporting physical and network simulation of UAV/UGV platforms, and evaluating the resilience platforms in simulated tactical scenarios and field tests.

21 days ago

Software Developer - Mid - TS required to apply - Wash DC Bow Wave LLC

Washington, DC

Full time
Quick Apply

Bachelors requiredTop Secret clearance required to applyMinimum 5 years experienceRequired programming languages: Python, C#, Java, AWS CloudResponsible for the design, development, testing, and management of the application development projects in support of IT infrastructure. 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.

30+ days ago

Software Developer - SME - Wash DC - TS required to apply Bow Wave LLC

Washington, DC

Full time
Quick Apply

4yr Bachelors degree requiredTS clearance required to applyCurrent SAFe Software Certification (ASE) requiredMinimum 8 years in one of the following: C#, Java, Python, AWS Cloud based solutionsResponsible for the design, development, testing, and management of the application development projects in support of IT infrastructure. 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.

30+ days ago

MidLevel Software Developer ELEVI Associates

Fort Meade, MD

$150,400–$200,300 / year

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. Required Skills/Experience:• Experience developing containerized applications (Kubernetes/Docker)• Ability to develop high-quality, efficient, and testable code• Ability to debug complex, system-wide issues.•

30+ days ago

Software/CNO Developer Agile Defense

Fort Meade, Maryland

Agile’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Learning and Development opportunities as well as other optional benefit elections. Typically has a Bachelor's degree, and 8 or more years of experience, or equivalent relevant work experience; e.g., each year of work experience may be substituted for each year of education required.

30+ days ago

Full Stack Developer, Senior (O365/SharePoint/ Power Platform Developer ) LCG

Maryland, Maryland

Provide full-stack development for client web systems, including SharePoint-based business processes, intranet sites, forms, workflows, and related applications, while delivering enterprise-grade solutions as a key member of the Digital Transformation Team. This role focuses on full-lifecycle web development, SharePoint support, intranet modernization, accessibility compliance, and Agile DevSecOps delivery for a high-visibility federal health environment.

30+ days ago

Front-End React Developer Science Applications International Corp

Silver Spring, MD

$100,001–$140,000 / year

6 days ago

Lead Full-Stack Developer (.NET) Revolutional, LLC

Mclean, VA

$135,000–$150,000 / year

We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily.

28 days ago

Agentic AI Developer Leidos Holdings Inc.

Columbia, MD

$69,550–$125,725 / year

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal.

19 days ago

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Applications Developer Jobs in Montpelier, MD

Lead Software Developer 3 Lentech Inc.

Software Developer 2 Lentech Inc.

Software Developer (Expert) [Full Stack] - $179K - $199K RCT Systems, Inc.

Senior Developer Platinum Technologies

Python Developer Artech LLC

Windows Kernel Developers - on site - Chantilly, VA P3f LLC

Software Engineer III - Full-stack Developer with Anthropic Experience Deloitte Touche Tohmatsu Ltd

Software Developer, Principal Parsons Commercial Technology Group Inc.

Salesforce Web Developer (Cleared) Blue Sky Innovative Solutions

Summer Associate Internship (Mobile Developer) Navy Federal Credit Union

Quality Assurance Tester / Front-End Developer Savan

Python Developer ICF International Inc

Software Developer - Mid - TS required to apply - Wash DC Bow Wave LLC

Software Developer - SME - Wash DC - TS required to apply Bow Wave LLC

MidLevel Software Developer ELEVI Associates

Software/CNO Developer Agile Defense

Full Stack Developer, Senior (O365/SharePoint/ Power Platform Developer ) LCG

Front-End React Developer Science Applications International Corp

Lead Full-Stack Developer (.NET) Revolutional, LLC

Agentic AI Developer Leidos Holdings Inc.

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