CSS Jobs in Fairfax, VA

Refine Results
101 - 120 of 430 Jobs

Software Developer IV

General Atomics

•

Chantilly, Virginia, USA

Full-time

Job Summary At General Atomics Integrated Intelligence, Inc. (GA-i3), we are redefining situational awareness for the Intelligence Community, Department of Defense, and commercial sectors. Our innovative platforms-such as Optix, Thresher and Dragonspell-process petabytes of streaming data in near real time, applying advanced algorithms and machine learning to deliver actionable intelligence. Our browser-based applications empower users to visualize, analyze, and understand complex environments
Posted 39 days ago | Updated 2 hours ago

Web Application Developer, Lead - TOP SECRET Clearance w/SCI Eligibility Required

American Systems Corporation

•

Washington, District of Columbia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! As a Web Application Developer, Lead, with AMERICAN SYSTEMS you will have the opportunity to do the following: Modernize and maintain web apps for scalability and
Posted 60+ days ago | Updated 2 hours ago

Hybrid Position: Looking Java BPM Developer in Washington, DC

Visionsoft International

•

Washington, District of Columbia, USA

Third Party, Contract

Job Title: Java BPM Developer Location: Washington, DC (Hybrid Position) Job Summary: The Java / BPM developer is a member of the project team who takes responsibility for implementing parts of the system architecture using best practices. This will include coding, unit and integration testing, using design patterns, and learning new technologies. The candidate will also be expected to provide architectural support, and advice with Business Process Management (BPM) components of the system. Q
Easy Apply
Posted 3 days ago

BPM Developer(Business process management)

StackNexus Inc.

•

Washington, District of Columbia, USA

Contract, Third Party

Job Title: BPM Developer Location: Washington, DC Job type: Contract-C2C,W2 Job Summary: The Java / BPM developer is a member of the project team who takes responsibility for implementing parts of the system architecture using best practices. This will include coding, unit and integration testing, using design patterns, and learning new technologies. The candidate will also be expected to provide architectural support, and advice with Business Process Management (BPM) components of the system.
Easy Apply
Posted 3 days ago

Data Scientist

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2506660 Location: CHANTILLY, VA, US Date Posted: 2025-06-12 Category: Information Technology Subcategory: Data Scientist Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a Data Scientist to be part of a creative internal team to provide data science expertise supporting a growing and diverse Sponsor mission set. The candidate will bri
Posted 29 days ago | Updated moments ago

Senior Azure DevOps Administrator

Evolver Federal

•

Washington, District of Columbia, USA

Full-time

Evolver is seeking a Senior Azure DevOps administrator with experience in .NET application development to support the work and projects of our client in Washington D.C. MUST be able to obtain Public Trust Clearance and Background Clearance. The role's primary function will be to work with the software development team to support existing software applications written in .Net using SQL Server and Oracle databases in the backend. A big part of the job responsibilities includes administration of A
Posted 15 days ago | Updated 11 hours ago

Sharepoint Developer

Synapse Business Systems

•

Washington, District of Columbia, USA

Full-time

Position: SharePoint Developer Location: WASHINGTON, DC (Hybrid) Duration: Long term contract Job Description, RESPONSIBILITIES: Provides support for SharePoint applicationsInterfaces directly with stakeholders to develop quality applications and presentations that meet the standards and needs of the applicationOffer technical guidance to other developers on the team and assists them with developing complex designs as neededDemonstrates strong written and oral communication skillsProvides servi
Easy Apply
Posted 26 days ago | Updated 5 days ago

Oracle APEX Developer

Gridiron IT Solutions

•

Washington, District of Columbia, USA

Contract

Oracle Apex Developer Location: Washington, DC Work Type: Full Time (Onsite) Job Description: GridIron IT is seeking an Oracle Apex Developer local to Washington, DC. The program provides a range of IT services, including software application support, enterprise infrastructure support, service desk, ITSM, deskside support, workstation engineering and maintenance, telecommunications and mobility engineering services, managed print services, Active Directory services, and video conferencing. The
Easy Apply
Posted 30 days ago

Secret Cleared Microsoft PowerApps/Dynamics Developer

ALTA IT Services

•

Arlington, Virginia, USA

Full-time

Job Title: Secret Cleared Microsoft PowerApps/Dynamics Developer Location: Arlington, VA Type: Contract To Hire Compensation: 130-160K Contractor Work Model: Onsite Security Clearance: Secret clearance is required Job Description: ALTA IT Services is seeking a Microsoft PowerApps/Dynamics Developer! You will join a team that uses PowerApps and Dynamics 365 to develop and deploy applications in our Dynamics/365 environment (Azure GCC). You'll provide software engineering and development support
Easy Apply
Posted 10 days ago | Updated 11 hours ago

Senior Power Platform Developer with DOD Clearance

Procentrix

•

Washington, District of Columbia, USA

Full-time

Job Location Position Description The Power Platform developer will be a member of an Agile development team supporting the design, development, implementation, and enhancement of custom applications using Dynamics 365 and Power Apps Model Driven frameworks. Responsibilities include the following: Develop / refine user stories, use cases and design artifacts to effectively convey requirements to both client stakeholders and development teams.Perform as a developer for the delivery of Dynamics 36
Easy Apply
Posted 60+ days ago | Updated 5 days ago

Sr Sharepoint Developer

Leidos

•

Springfield, Virginia, USA

Full-time

Job Description We are seeking a highly organized and detail-oriented Senior SharePoint Developer to lead the design, development, customization, and maintenance of SharePoint Online and/or SharePoint Server solutions. The ideal candidate will have strong knowledge of Microsoft 365, Power Platform, SharePoint Framework (SPFx), and integration with third-party systems. Primary Responsibilities: Design, develop, and implement scalable SharePoint solutions, including custom web parts, workflows,
Posted 19 days ago | Updated 2 hours ago

Senior Manager, Software Engineering, Full Stack

Capital One

•

McLean, Virginia, USA

Full-time

Senior Manager, Software Engineering, Full Stack Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Ca
Posted 6 hours ago | Updated 2 hours ago

Senior Security Officer

ManTech

•

Washington, District of Columbia, USA

Full-time

MANTECH is seeking a motivated, career and customer-oriented Senior Security Officer (SSO), to join our team based in Washington, DC. As a Senior Security Officer (SSO), this position plays a critical role in supporting the SCIF facilities and industrial security (FSO) and personnel security (PERSEC) program for our customer. Responsibilities include but are not limited to: Serve as the primary SCIF access approver during normal operations (5 days/week) to include providing INDOC and special se
Posted 1 day ago | Updated 22 hours ago

Lead Software Engineer, Salesforce

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Salesforce Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Salesforce Software Engineers who are passionate about marrying data with emerging technologies. As a Capital O
Posted 3 days ago | Updated 2 hours ago

Senior Security Officer

ManTech

•

Washington, District of Columbia, USA

Full-time

MANTECH is seeking a motivated, career and customer-oriented Senior Security Officer (SSO), to join our team based in Washington, DC. As a Senior Security Officer (SSO), this position plays a critical role in supporting the SCIF facilities and industrial security (FSO) and personnel security (PERSEC) program for our customer. Responsibilities include but are not limited to: Serve as the primary SCIF access approver during normal operations (5 days/week) to include providing INDOC and special se
Posted 5 days ago | Updated moments ago

Lead Software Engineer, Full Stack

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead
Posted 4 days ago | Updated 2 hours ago

Data Engineer Associate, TS/SCI with Polygraph

General Dynamics

•

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Data Science Job Qualifications: Skills: Analytics, Data Analysis, Process Improvements Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: GDIT is looking for an Associate Data Engineer to support a complex scalable data lake project
Posted 1 day ago | Updated 2 hours ago

Senior Oracle APEX Developer

Apex Systems

•

Washington, District of Columbia, USA

Full-time

Job#: 2078220 Job Description: Apex Systems is seeking a Senior Oracle APEX Developer to support work 100% onsite in Washington, DC metro area. Summary: The Developer will support a program that provides a range of IT services, including software application support, enterprise infrastructure support, service desk, ITSM, deskside support, workstation engineering and maintenance, telecommunications and mobility engineering services, managed print services, Active Directory services, and video c
Easy Apply
Posted 24 days ago | Updated 3 hours ago

Senior Lead Software Engineer

Capital One

•

McLean, Virginia, USA

Full-time

Senior Lead Software Engineer Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Senior Le
Posted 11 days ago | Updated 2 hours ago

Senior Web Application Developer

Cayuse Shared Services

•

Washington, District of Columbia, USA

Full-time

Overview The Work The Senior Web Application Developer is responsible for designing, testing, and developing well-designed web-based software code that is testable and efficient, using the best software development practices to meet user needs. This role involves recommending software upgrades for current and future systems, translating User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing, and docume
Posted 3 days ago | Updated 11 hours ago