4,612 Results for

Systems Software Developer Jobs in Chantilly, VA

Jobs

Arlington, VA

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Bachelor's degree in Computer Science, Software Engineering, Information Technology, Cybersecurity, Data Science, Information Systems, or related technical field from an ABET accredited or CAE designated institution; Master's degree preferred. This position serves as a technical leader in the modernization of legacy DoD systems, providing advanced expertise in cloud-native development, architecture design, and team leadership.

15 days ago

Vienna, VA

Full time

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.

30+ days ago

Chantilly, VA

Intern

p>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.

30+ days ago

Chantilly, VA

$106,500–$196,500 / year

li style="font-family:'verdana' , 'geneva' , sans-serif;font-size:14pt;color:black">Assist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Please click here for the E-Verify Poster in English or Spanish.

2 days ago

Reston, VA

div>Software Developer (Microservices) (Remote): Description: The Microservices Developer will be responsible for designing, building, and maintaining scalable backend services that power the platform's RESTful APIs. This role involves developing production-grade microservices using Java 21 and Java 25, implementing clean and consistent API contracts, and ensuring secure, reliable integration with internal and external systems.

3 days ago

Reston, VA

Remote

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.

7 days ago

Rockville, MD

Remote

$75,000–$110,000 / year

p>Savantage Solutions is seeking a Oracle APEX Developer to join our core engineering team supporting Altimate, a proprietary Federal Financial Management System deployed for federal agency clients. Factors considered when extending an offer include but are not limited to, job responsibilities, education, experience, knowledge, skills, certifications, seniority, performance, and alignment with market data.

1 day ago

Reston, VA

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Fullstack Java Developer (Remote): Description: ===================================================================================. Please ensure cities/states are listed for each role, gaps in employment are explained and your agency's name is not listed on the resume.

7 days ago

Washington DC, DC

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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.

30+ days ago

MONTGOMRY VLG, MD

$165,000–$185,000 / year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. 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.

3 days ago

Gaithersburg, MD

$140,000–$165,000 / year

2 days ago

Arlington, VA

Desired: Multiple cloud platform certifications at professional level (AWS Solutions Architect Professional, Azure Solutions Architect Expert, or Google Cloud Professional Cloud Architect), Kubernetes CKA/CKAD, Docker Certified Associate, specialized security certifications.

Bachelor's degree in Computer Science, Software Engineering, Information Technology, Cybersecurity, Data Science, Information Systems, or related technical field from an ABET accredited or CAE designated institution; Master's degree preferred.

15 days ago

Washington DC, DC

p class="MsoNormal">The Senior AI Developer serves as the lead technical resource responsible for designing, developing, integrating, and supporting enterprise Artificial Intelligence (AI) and Machine Learning (ML) solutions that enhance business applications, automate processes, and improve operational efficiency. This role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Subject Matter Experts (SMEs), Solution Architects, developers, and stakeholders to deliver secure, scalable, and responsible AI solutions that align with business and mission objectives.

5 days ago

Washington, DC

$135,000–$165,000 / year

You will operate at the intersection of federal financial accounting and modern low-code/AI tooling, independently building reports and queries, validating financial data, and supporting agency stakeholders without routing every request through senior technical staff. This is a growth-track role built for an early-career accounting professional ready to move beyond traditional financial operations into AI-assisted research, self-service data analysis, and citizen development.

1 day ago

McLean, VA

p>The Qlik Developer will collaborate with government stakeholders, functional analysts, data engineers, and development teams to design and implement data visualization solutions that improve operational visibility, reporting accuracy, and decision-making across the enterprise. This role requires experience developing scalable Qlik applications, integrating multiple data sources, and supporting Agile software development initiatives in a secure DoD environment.

6 days ago

Herndon, VA

$110,000–$165,000 / year

9 days ago

Washington DC, DC

This role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, UX/UI Designers, Solution Architects, Back-End Developers, and QA Engineers to deliver secure, scalable, and intuitive user interfaces that meet business, technical, and accessibility requirements. Participate in Agile development activities including backlog refinement, sprint planning, code reviews, sprint demonstrations, and continuous integration.

5 days ago

Arlington, VA

$120,000–$150,000 / 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!

1 day ago

Washington DC, DC

This role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Solution Architects, UX/UI Designers, QA Engineers, and DevSecOps teams to deliver end-to-end solutions across the full software development lifecycle.

The Senior Full Stack Developer is responsible for designing, developing, integrating, and supporting secure, scalable, and high-performing enterprise web applications using modern cloud-native technologies.

5 days ago

TYSONS CORNER, VA

As a Washington Post Top Workplace award winner for the past THIRTEEN 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. The primary focus of this role is to build scalable, secure, and highly available backend infrastructure and services leveraging industry available and customer preferred solutions (e.g., AWS Cognito, Okta, Login.gov).

Today

Washington DC, DC

This role develops and executes test strategies, manages testing activities, and collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Developers, UX/UI Designers, and stakeholders to deliver secure, reliable, accessible, and high-performing applications.

The Software Test Lead is responsible for leading the Quality Assurance (QA) and testing efforts for enterprise web applications, ensuring software quality through comprehensive manual and automated testing.

4 days ago

Reston, VA

$100,000–$160,000 / year

As a Washington Post Top Workplace award winner for the past THIRTEEN 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. Career development opportunities including a mentorship program, technical and management training through Dev University, hands-on learning through DevLab, tuition reimbursement, and paid training opportunities.

Today

Washington DC, DC

5 days ago

Quantico, VA

li>Integrates models and simulations into larger system architectures and supports Marine Corps Warfighting Laboratory (MCWL) Wargaming Division efforts for interoperability testing and model orchestration. As a Simulation Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight.

22 days ago

Sterling, VA

Full time

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.

27 days ago

Gaithersburg, MD

Remote

$135,000–$150,000 / year

3 days ago

McLean, VA

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.

30+ days ago

McLean, VA

30+ days ago

Clarksburg, MD

$131,300–$237,350

May 19, 2026

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. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

2 days ago

Washington DC, DC

p class="MsoNormal">The UI/UX & Customer Experience (CX) Expert designs intuitive, accessible, and user-centered digital experiences that enhance customer satisfaction and usability across enterprise web applications.

Bachelor's degree in Human-Computer Interaction (HCI), Graphic Design, User Experience Design, Information Systems, Computer Science, or a related field.

5 days ago

Reston, VA

Successful candidates will ensure quality, timely completion of projects, meeting the specified expectations, reducing the risk or errors and customer satisfaction. • As Scrum Master, will provide direction to the development and testing teams members, conduct Agile Ceremonies, oversee work and release management.

4 days ago

Arlington, VA

$59,150–$106,925

April 7, 2026

2 days ago

Arlington, VA

Remote

$80,000–$150,000
Full time

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.

30+ days ago

Chantilly, VA

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Closure Technologies is seeking a Systems Software Developer who will leverage their development skills and experience to support the successful ingestion, cleansing, transformation, loading, and display of significant amounts of data, with a particular focus on Cloud data.

Strong software development experience, to include significant Java development, data analysis/parsing, and SQL/database experience.

23 days ago

Springfield, VA

$76,164–$165,000
Full time

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.

30+ days ago

Springfield, VA

$90,501–$130,000
Full time

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.

30+ days ago

Fairfax, VA

$94,750–$135,357
Full time

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.

30+ days ago

Germantown, MD

$120,000–$130,000 / year
Full time

Job Description: Senior Applications Developer/Engineer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions. Required Experience: 10 Years+ experience: Designing, developing, testing, and maintaining custom Jira solutions .

30 days ago

Arlington, VA

Remote

$80,000–$145,000
Full time

You will design and execute test strategies, develop automated test scripts, and work with modern technologies including Python, SQL, Databricks, ADVANA, React, and Flask to deliver high-quality solutions that support DSCA’s mission of security cooperation, transparency, and data-driven decision making. 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.

30+ days ago

Dulles, VA

The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. Use database management and version control to maintain data integrity, implement migration and ensure data availability in production environments.

30+ days ago

McLean, Virginia

Five (5) or more years of demonstrated experience in the following: Working within an Amazon Web Services (AWS) cloud environment and utilizing tools such as SMS, Data Pipeline, Relational Database (RDS), Cloudwatch, EC2, EBS, S3, KMS, or SMS. The Software Developer will be a part of an integrated team to create, update, and maintain a federated search and discovery software system to integrate data related to financial information from a variety of data providers within a cloud environment.

20 days ago

Chantilly, Virginia

Optional SkillsDemonstrated experience in the practical application of engineering science and technology, including applying principles, techniques, procedures, and equipment to the design and production of various goods or services. Demonstrated experience in design, such as design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.

2 days ago

Sterling, Virginia

Key Job Responsibilities: Provide onsite support for Java-based web applications within a microservices architecture, ensuring high availability, reliability, and performance of deployed systems in the customer space. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.

30+ days ago

McLean, Virginia

In this role, you’ll develop and customize applications that directly support analytic workflows—leveraging Python, PostgreSQL, and AWS services such as SQS to deliver secure, reliable, and high‑performance capabilities. Who We Are: We offer advanced services in data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management.

21 days ago

Chantilly, Virginia

The ideal candidate brings experience with ML frameworks—including scikit‑learn, SpaCy, TensorFlow, PyTorch, and Keras—along with strong proficiency in Natural Language Processing techniques. This role requires demonstrated experience developing cloud‑based solutions using AWS services, building and consuming REST services, and working with SQL databases such as Postgres.

8 days ago

Chantilly, Virginia

Experience developing testing programs that address areas such as database impacts, software scenarios, regression testing, negative testing, error or bug retests, or usability. Bachelorâs Degree in Computer Science, Information Technology, or other related technical discipline, or the equivalent combination of education, technical training, or work/military experience.

30+ days ago

Chantilly, VA

Full time

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20260629-23-37615-3769-01.

Benefits Overview .

Today

Rockville, MD

p>for description visit the url https://jobs.baesystems.com/global/en/job/BAE1US123696BREXTERNAL/Software-Developer---Weapons-Direction-Systems---Mid-Level.

30+ days ago

$114,000–$132,000 / year

p>The MIL Corporation (MIL) is a dynamic workforce of industry professionals who deliver world-class solutions in cyber, engineering, financial management, and information technology - and we are looking for candidates like you!

Design, develop, test, and deploy solutions such as applications, interfaces, workflows, automations, dashboards, scripts, forms, reports, and utilities for financial management systems.

22 days ago

Forte Meade, MD

$90–$93.10 / hour

The Agile Developer (System Automation Software Engineer) supports the modernization of a legacy operational system using a microservices-based architecture and cloud-native technologies in a secure on-site environment at Fort Meade, MD. This role is responsible for building and maintaining automated test frameworks, executing performance and resilience testing across distributed systems, and ensuring software quality throughout the Agile development lifecycle.

30+ days ago

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Systems Software Developer Jobs in Chantilly, VA

Software Developer Bowhead / UIC Technical Services

Jr. Software Developer Company Confidential

Software Developer (Full Stack/Backend) Intern TeleWorld Solutions

Senior Specialist, Information Security Systems Engineering L3Harris Technologies

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Software Developer PlanIT Group

Senior Oracle Apex Developer Savantage Solutions

IT - Software Developer IV PlanIT Group

Software Developer NuAxis Innovations

Senior Software Engineer (C++ / Java) Jobot

Sr. Software Engineer Jobot

Senior Applications Developer Bowhead / UIC Technical Services

Senior AI Developer NuAxis Innovations

Federal Financial Management System Savantage Solutions

Mid-Level Qlik Developer Credence

System Integration & Test Engineer Jobot

Front-End Developer NuAxis Innovations

Software Engineer Jobot

Senior Full Stack Developer NuAxis Innovations

Senior Systems Engineer Dev Technology Group

Software Test Lead NuAxis Innovations

Senior Full Stack Developer (.Net and Azure) Dev Technology Group

System/DevSecOps Engineer NuAxis Innovations

Simulation Developer MANTECH

Python Developer ADG TECH CONSULTING, LLC

Senior QA Lead / Senior QA Analyst Jobot

Senior ServiceNow Developer Capgemini Government Solutions LLC

ServiceNow Developer Capgemini Government Solutions LLC

Enterprise Architect/Systems Engineer Leidos

UI/UX & Customer Experience (CX) Expert NuAxis Innovations

IT - Project Manager Tech IV PlanIT Group

Network Development Engineer Leidos

DSCA .Net Core Developer (Software Engineer) - 28637 Company Confidential

Systems Software Developer Closure Technologies

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BI Developer/Analyst (Data Scientist 2) Company Confidential

Senior Application Atlassian Developer/Engineer/Architect Greenfield Data Solutions

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Software Developer SME (Systems Software) (TS/SCI with Poly Required) GCI, Inc.

Software Developer (Systems Software) J5 Consulting

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Software Engineer – Developer and Production Systems Support Nightwing Intelligence Solutions

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Software Developer (Systems Software) Dezign Concepts LLC

Software Developer - Weapons Direction Systems - Mid Level BAE Systems Plc

Financial System Developer (Software Engineering, Associate) The Mil Corp

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