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Application Developer Jobs in Washington, DC

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Software Developer / Application Support PlanIT Group

Falls Church, VA

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The resource will mainly support the US Government Client eCommerce Platform, a key revenue-generating application within the Commerce Tech Applications portfolio, as well as its closely integrated applications (Endeca, Enterprise Search, and Oracle Web Center Content). • Experience in application support including but not limited to querying and analyzing database information, environment deployments to web and application servers, performing load and performance testing, certificate management, and monitoring server health.

9 days ago

Python/Django Sr. Software Developer Software Consultants Inc

Bethesda, MD

$130,000–$160,000 / year
Full time
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We are seeking a senior full-stack developer to own and modernize shared Python/Django capabilities and serve as the technical escalation point for complex, cross-application work. The developer will collaborate with application teams, DevTools/DevOps, Client CIT, Security, and database administrators across on-premises and AWS environments.

3 days ago

Senior Application Developer (AWS/Python) onsite System One

Washington, DC

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System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. • Implement comprehensive logging, monitoring, and audit trails (CloudWatch, CloudTrail).

9 days ago

Applications Developer - II Base One Technology

Arlington, VA

$90,000–$110,000 / year
Contractor
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Supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services.

24 days ago

Software Developer (NIH-MeSH ) Software Consultants Inc

Bethesda, MD

$135,000–$155,000 / year
Full time
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We are seeking an experienced programmer/developer with at least five years of application or systems development experience with working knowledge of Medical Subject Headings or other medical terminologies. Strong understanding of procedural and object-oriented programming and common design patterns.

3 days ago

Software Developer Calibre Systems

Alexandria, VA

CALIBRE Systems, inc., an employee-owned, mission focused solutions and digital transformation company is seeking a Full Stack Software Developer to develop, create, maintain, and write/code new (or modifies existing) computer applications, software, or specialized utility programs. Prefer an accredited Computer Science, Cyber Security, Information Technology, Software Engineering, Information Systems, or Computer Engineering degree; or a degree in a Mathematics or Engineering field.

1 day ago

Software Developer PlanIT Group

Reston, VA

Remote

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A degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is preferred; Able to perform all functional duties independently; Experience training/mentoring less experienced personnel; Experience authoring or contributing to software-related documentation such as requirements specifications, design documents, technical manuals, and user manuals; Excellent communication skills. Expertise in Struts, Spring MVC, Git Bash, Java25, WebSphere, Tomcat, GitHub, GitHub Copilot, VersionOne, JUnit, JDBC, Maven, ALM, UFT.

9 days ago

ServiceNow Developer Credence

McLean, VA

$141,000–$185,000 / year
Quick Apply

This role partners with stakeholders, system administrators, and cross-functional teams to deliver scalable applications, workflows, and integrations while supporting platform modernization and process automation. Design, develop, customize, and deploy ServiceNow applications, modules, workflows, forms, and user interfaces to support business and operational requirements.

10 days ago

Oracle E-Business Suite (EBS) Developer Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

As an Oracle EBS Developer, you will provide technical solutions and support for APL's Oracle E-Business Suite, with a focus on custom extensions, integrations, interfaces, and enterprise applications supporting the Oracle Projects, Accounts Payable, Procurement, and General Ledger business areas. Experience developing enterprise integrations using Oracle EBS APIs, RESTful web services, JSON/XML, file-based integrations, and other enterprise integration technologies.

4 days ago

Reverse Engineer and AI Workflow Developer Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Develop and apply agentic AI workflows that augment and accelerate reverse-engineering and cyber analysis tasks, combining traditional reverse-engineering techniques with AI-assisted analysis, code generation, data extraction, tool execution, and technical reasoning. Build, configure, and maintain AI development infrastructure, including model interfaces, agent frameworks, tool integrations, model context protocol (MCP) services, retrieval systems, and supporting automation.

2 days ago

Senior Embedded Systems Developer Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Have 6+ years of experience developing and enhancing hardware and software for embedded systems, such as FPGAs, systems-on-a-chip (SoCs), real-time operating systems (RTOS), microcontrollers, and/or weapon systems assemblies, using supported tools and toolchains, such as Vivado Design Suite (incl. Together, we will build capabilities that address sophisticated cyber challenges, assess and integrate real-time systems, perform laboratory and field testing, assist in post-processing data analysis, and communicate findings to sponsors.

3 days ago

Senior ServiceNow Developers (on-site) System One

Fort Meade, MD

$65 / hour
Quick Apply

System One IT has multiple 12-month+ contract openings for highly skilled and experienced ServiceNow Developers to play a key role in the successful implementation and adoption of ServiceNow applications across a federal enterprise. Strong communication skills to enable proactive and effective collaboration with a virtual team, including the ability to clearly articulate status and present to both customers and program leadership.

2 days ago

.NET Developer NuAxis Innovations

Washington DC, DC

Assess existing application architecture, isolate and resolve complex production defects, remediate technical debt, and improve application reliability, maintainability, performance, and response times. Collaborate with architects, business analysts, product owners, and cross-functional delivery teams to define requirements, resolve technical blockers, and deliver high-quality solutions in Agile environments.

2 days ago

Software Developer Associate General Dynamics Information Technology

Annapolis Junction, MD

$66,602–$80,500 / year

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. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.

30+ days ago

ServiceNow Developer PlanIT Group

Washington, DC

Quick Apply

ServiceNow Application Development experience in two or more of the following areas: • Hands-on experience configuring and developing in ServiceNow, including form and field creation/updates (backend and/or Studio), Client Scripts, Business Rules, Catalog Items and scripting, group and role administration, flows (Flow Designer), notifications, email configuration, and scheduled jobs. ServiceNow Developer (Remote): Description: • ServiceNow Software Developer with minimum 4 years development experience in ServiceNow, • required CSA Admin certification, • strong oral and written communication skills and ability to leverage AI in their daily work.

9 days ago

Senior Google Cloud Platform Looker Developer Credence

Tysons, VA

Quick Apply

This hands-on software development role will design, build, integrate, test, deploy, troubleshoot, and sustain enterprise analytics applications using Google Cloud Platform, Looker Enterprise, LookML, and Looker Studio or Looker Studio Pro. At least three years of hands-on Google Looker Enterprise and LookML development experience, including production semantic models, Explores, dashboards, reusable components, access controls, testing, deployment, and sustainment.

5 days ago

Java Developer w/Top Secret clearance Sparks Group

Chantilly, VA

$105,000–$134,500 / year
Quick Apply

You'll work alongside experienced engineers across the software development lifecycle, contributing to the design, development, testing, debugging, configuration, and support of Java-based applications. Job Summary/Company : Our client is seeking a junior to mid-level Java Developer with a TS, TS/SCI, or TS/SCI CI Poly to work onsite in support of a mission-essential program.

8 days ago

Developer – Mid-Level NuAxis Innovations

Washington DC, DC

Implements features, integrations, and fixes under the direction of the senior developer, with growing ownership of components and a clear expectation of accessible, secure, well-tested code. • Working experience with automated testing in JavaScript/TypeScript using Cypress, Playwright, Selenium, or equivalent is preferred; willingness to contribute automation is required.

30+ days ago

ServiceNow Developer NuAxis Innovations

Washington DC, DC

Remote

Provide subject matter expertise for ServiceNow and ITIL, recommending and designing solutions to be implemented on the ServiceNow platform, including instantiation of new modules as well as helping improve and streamline existing capabilities and applications. Configure and enhance all aspects of ServiceNow, such as workflow, user interface (UI), client scripts, business rules, catalogs, orchestration and more, utilizing out-of-the-box functionality as much as possible and customization when necessary.

29 days ago

Drupal Developer – Senior NuAxis Innovations

Washington DC, DC

Implement complex multi-step forms, conditional logic, file uploads, and submission handling using the Webform module and custom form APIs. • Develop and operate Drupal 10+ applications with MySQL on the DOL PACE container platform, using configuration-driven and OOTB/contributed capabilities before custom code wherever feasible.

30+ days ago

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Application Developer Jobs in Washington, DC

Software Developer / Application Support PlanIT Group

Python/Django Sr. Software Developer Software Consultants Inc

Senior Application Developer (AWS/Python) onsite System One

Applications Developer - II Base One Technology

Software Developer (NIH-MeSH ) Software Consultants Inc

Software Developer Calibre Systems

Software Developer PlanIT Group

ServiceNow Developer Credence

Oracle E-Business Suite (EBS) Developer Johns Hopkins Applied Physics Laboratory (APL)

Reverse Engineer and AI Workflow Developer Johns Hopkins Applied Physics Laboratory (APL)

Senior Embedded Systems Developer Johns Hopkins Applied Physics Laboratory (APL)

Senior ServiceNow Developers (on-site) System One

.NET Developer NuAxis Innovations

Software Developer Associate General Dynamics Information Technology

ServiceNow Developer PlanIT Group

Senior Google Cloud Platform Looker Developer Credence

Java Developer w/Top Secret clearance Sparks Group

Developer – Mid-Level NuAxis Innovations

ServiceNow Developer NuAxis Innovations

Drupal Developer – Senior NuAxis Innovations

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