Top 1205 Senior software engineer Jobs in Lorton, Va

Senior Agentic AI Full Stack Software Engineer
General Dynamics Information Technology —Arlington, VA
- $148,750 - $201,250 a year
- Computer science
- Computer Science
- Bachelor's degree
- Paid time off
- 401(k) matching
Senior Python/C++ Engineer (Cleared)
Motion Recruitment —Lorton, VA
- Full-time
- 5 years
- C++
- US work authorization
- Health insurance
- Dental insurance
12d
Senior Web Developer
XLA Associates —Arlington, VA
- $130,000 - $140,000 a year
- Full-time
- Office
- AWS
- In-person
- Health insurance
- Dental insurance
Quick Apply
1d
DevOps Engineer, Sr
General Dynamics Information Technology —Springfield, VA
- $138,550 - $187,450 a year
- On call
- System design
- 8 years
- In-person
- Paid time off
- 401(k) matching
Senior SW Developer
CGI Group, Inc. —Fairfax, VA
- $89,600 - $176,300 a year
- 7 years
- Computer Science
- Writing skills
- Paid parental leave
- Paid holidays
Senior Backend Software Engineer (USA Remote)
Turnitin, LLC —Washington, DC
- $112,125 - $186,875 a year
- Full-time
- Remote
- 5 years
- Java
- Mentoring
- Paid holidays
- Health insurance
Quick Apply
Senior Software Engineer – Frontend
CaseGuard —Arlington, VA
- $120,000 - $200,000 a year
- 6 years
- System design
- Mentoring
- Paid holidays
- Health insurance
Senior Engineer - .NET
GEICO —Bethesda, MD
- $150,758 - $215,000 a year
- Online Application
- Remote
- Azure
- Computer Science
- Mid-level
Senior Fullstack Software Engineer
Obviant —Arlington, VA
- $170,000 - $215,000 a year
- Online Application
- Hybrid work
- 5 years
- System design
- Office
- Dental insurance
- Work from home
9d
Software Developer – Senior
JBA Inc. —Lorton, VA
- Full-time
- Research
- Java
- 8 years
Senior Software Engineer
GOVX —Washington, DC
- $155,000 - $165,000 a year
- Full-time
- Remote
- Background check
- Azure
- Writing skills
- Health savings account
- Paid holidays
Quick Apply
Senior Software Engineer – Backend
CaseGuard —Arlington, VA
- $120,000 - $200,000 a year
- 6 years
- System design
- Mentoring
- Paid holidays
- Health insurance
Senior Software Engineer
Zip Security —Washington, DC
- Full-time
- Hybrid work
- 5 years
- Office
- Senior level
- Health insurance
- 401(k)
Senior Software Engineer (Java Full Stack)
Relevance Lab —Fort Washington, MD
- Full-time
- Office
- AWS
- Senior level
Quick Apply
Senior Software Engineer
Dalmet Technologies —Washington, DC
- $90,000 - $140,000 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Health insurance
- Dental insurance
SR. & JR. .NET Developers
CyberBalance, LLC —Washington, DC
- Computer Science
- Office
- Windows
- Commuter assistance
- Paid holidays
Senior Full Stack Engineer
Virtru —Washington, DC
- $150,000 - $170,000 a year
- On call
- Remote
- 5 years
- AWS
- Mentoring
- Health insurance
- Dental insurance
Quick Apply
13d
Senior Software Engineer - Full Stack
Rhino.ai —Alexandria, VA
- Remote
- Azure
- 5 years
- System design
Senior Software Engineer
Virtru —Washington, DC
- $155,000 - $200,000 a year
- Remote
- 5 years
- Java
- JavaScript
- Health insurance
- Dental insurance
Quick Apply
Senior Software Engineer
eVisit —Washington, DC
- Full-time
- Remote
- 5 years
- Research
- Analysis skills
Quick Apply
8d

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senior software engineer jobs near lorton, va

Senior Agentic AI Full Stack Software Engineer

General Dynamics Information Technology -
Arlington, VA

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Job Details

$148,750 - $201,250 a year

Benefits

Internal mobility program
Paid time off
401(k) matching

Qualifications

Containerization systems
Software engineering
Data systems development
Git
Scalable systems
Version control systems
Scalability
Developing and maintaining backend systems
Web applications
UI implementation
Front-end component implementation
Back-end integration
Python
Database software proficiency

Full Job Description

Your Impact

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Job Description

YOUR IMPACT

Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of War’s mission to keep our country safe and secure.

OUR COMPANY

Iron EagleX (IEX), a wholly owned subsidiary of General Dynamics Information Technology (GDIT), delivers agile IT and Intelligence solutions. Combining small-team flexibility with global scale, IEX leverages emerging technologies to provide innovative, user-focused solutions that empower organizations and end users to operate smarter, faster, and more securely in dynamic environments.

JOB DESCRIPTION

Iron EagleX is seeking a Senior Agentic AI Full Stack Software Engineer to support our AI team in Crystal City, VA. This role will design, deploy, and sustain critical components of our AI analytics stack, including analytic frontends, production APIs, interfaces between AI workflow components, and the underlying data layer.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Senior Agentic AI Full Stack Software Engineer, you will be a core member of the AI team responsible for prototyping, building, and delivering critical data analytics capabilities. You will help translate emerging AI and machine learning concepts into reliable, user-focused software solutions that support mission outcomes.

JOB DUTIES (INCLUDE BUT ARE NOT LIMITED TO)

Develop clean, maintainable, and efficient Python code while adhering to best practices and coding standards.

Lead the technical design and implementation of AI-enabled web applications and analytics using Streamlit, React, or similar technologies.

Integrate modern AI and large language model capabilities into applications and workflows, including prompting, tool calling, retrieval-augmented generation (RAG), and related patterns.

Design, develop, and integrate APIs, including FastAPI-based services, to enable seamless communication between systems.

Build and maintain user interfaces that make complex AI, data, and analytics capabilities accessible to end users.

Establish and maintain CI/CD pipelines and container-based deployments using tools such as Docker to support repeatable builds and reliable releases.

Work with relational databases such as PostgreSQL and MySQL to ensure data integrity, performance, and efficiency.

Implement and maintain version control using Git to streamline collaboration and code management.

Collaborate with cross-functional teams to define, design, develop, test, and deliver new features.

Ensure all developed solutions meet high standards for security, quality, reliability, and maintainability.

Contribute to all stages of the software development life cycle, from concept and design through testing, deployment, and sustainment.

REQUIRED SKILLS

Proficiency in writing clean, maintainable, and efficient Python code.

Experience building AI-enabled web applications, analytic dashboards, or user workflows using Streamlit or similar technologies.

Strong knowledge of web technologies, containerization, RESTful APIs, and user interface development.

Experience designing and maintaining scalable backend solutions using Python frameworks.

Familiarity with relational database systems such as PostgreSQL and MySQL.

Proficiency with Docker; Kubernetes experience is a plus.

Proficiency with Git-based version control and collaborative software development workflows.

Hands-on experience with full stack development and a strong understanding of the software development life cycle.

Ability to work effectively both independently and collaboratively in a fast-paced environment.

DESIRED SKILLS

Experience developing modern front-end applications using React.

Hands-on experience designing or developing LLM-powered agentic workflows that use tool calling, structured outputs, task planning, and multi-step execution.

Familiarity with component-based UI development, state management, and reusable front-end design patterns.

Experience integrating React-based frontends with RESTful APIs or Python-based backend services.

Experience supporting AI, machine learning, data analytics, or mission-focused software applications.

Familiarity with cloud-native application development, DevSecOps practices, or secure software delivery environments.

Experience implementing reliable AI workflows with validation, error handling, retries, logging, and fallback strategies.

Understanding of MLOps concepts, including model registry/versioning, reproducible environments, and CI/CD for ML-enabled systems.

WHAT YOU’LL NEED TO SUCCEED

Clearance: Current TS/SCI Clearance with active or ability to obtain CI Polygraph is required

Experience: 10+ years of related experience

Education: Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience)

Role requirements: Work is onsite in Crystal City, VA with optional CONUS travel

Due to US Government Contract Requirements, only US Citizens are eligible for this role

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.

Growth: AI-powered career tool that identifies career steps and learning opportunities

Support: An internal mobility team focused on helping you achieve your career goals

Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off

Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore a career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your passion for the mission and delivering results. #iexjobs #iexpriority

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

#iexjobs

Work Requirements

Years of Experience

10 + years of related experience

may vary based on technical training, certification(s), or degree

Certification

Travel Required

10-25%

Citizenship

U.S. Citizenship Required

Salary and Benefit Information

The likely salary range for this position is $148,750 - $201,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Apply Now

Refine Your Search

senior software engineer jobs in lorton, va

Senior Agentic AI Full Stack Software Engineer

Senior Python/C++ Engineer (Cleared)

Senior Web Developer

DevOps Engineer, Sr

Senior SW Developer

Senior Backend Software Engineer (USA Remote)

Senior Software Engineer – Frontend

Senior Engineer - .NET

Senior Fullstack Software Engineer

Software Developer – Senior

Senior Software Engineer

Senior Software Engineer – Backend

Senior Software Engineer

Senior Software Engineer (Java Full Stack)

Senior Software Engineer

SR. & JR. .NET Developers

Senior Full Stack Engineer

Senior Software Engineer - Full Stack

Senior Software Engineer

Senior Software Engineer

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