1,164 Results for

Software Engineer Jobs in Fairfax, VA

Jobs

Software Engineer Ennoble First

Herndon, VA

Quick Apply

Must have a customer approved security certification: DoD 8570 compliant: Security +, CISSP, SSCP, etc. Primary Responsibilities: Familiar with one or more of the following object oriented software languages: C#, Java, C++.

30+ days ago

Sr Advanced Software Engineer (C++, Java) General Dynamics Mission Systems, Inc

Manassas, Virginia

$164,892–$182,928 / year

Company Overview: General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. Basic Qualifications: Bachelor's degree in Software Engineering, or related Science, Technology, Engineering or Mathematics field, plus a minimum of 8 years of relevant experience; or Master's degree, plus 6 years relevant experience.

30+ days ago

Staff Software Engineer Peregrine

Washington, DC

Our teams tackle a range of challenges, from enabling real-time user collaboration on detailed maps to building high-scale backend architecture for ingesting billions of data points. We're looking for a Staff Software Engineer to join our growing team and drive impactful projects, foster an inclusive team culture, and lead technical decision-making.

23 days ago

Lead Software Engineer Appian

Mclean, VA

$150,000–$300,000 / year

Growth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. As a technical leader, you will be expected to influence team dynamics positively, model strategic communication, actively mentor peers, and collaborate with key partners across and outside your immediate domain.

9 days ago

Senior Software Engineer - Data Fabric Appian

Mclean, VA

$125,000–$250,000 / year

Growth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. Optimize High-Volume Data Systems: Design, tune, and refactor features handling complex, high-volume data structures, low-latency queries, and enterprise-grade relational databases.

30+ days ago

Software Engineer III With Ts/Sci Polygraph Deloitte

Rosslyn, VA

$119,000–$218,300 / year

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.

3 days ago

Senior Software Engineer (ML) Bigbear.ai

Columbia, Maryland

Full time

The software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Customers and partners rely on Bigbear.ai’s predictive analytics capabilities in highly complex, distributed, mission-based operating environments.

30+ days ago

Software Engineer (Expert) TalentOps

Herndon, Virginia

The successful candidate will work closely with technical teams and government stakeholders to design, develop, maintain, and enhance secure software applications while supporting ongoing operations and maintenance (O&M) activities. If you're an experienced software engineer with an active TS/SCI with Full-Scope Polygraph and are looking to support cutting-edge technologies and mission-critical Intelligence Community programs, we'd love to hear from you.

30 days ago

Software Engineer, Principal Parsons Corp

Centreville, VA

$125,100–$225,200 / 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.

7 days ago

Software Engineer, Principal Parsons Commercial Technology Group Inc.

Herndon, VA

$125,100–$225,200 / year

7 days ago

Mid Level Backend Software Engineer- Java TalentOps

Laurel, Maryland

You'll work alongside experienced engineers using modern development frameworks, containerization technologies, and DevSecOps practices while building scalable, secure applications that make a meaningful impact. The successful candidate will collaborate with cross-functional engineering teams to develop scalable software solutions, support application deployment, and implement modern development practices using Git, Docker, and CI/CD technologies.

30 days ago

Staff Software Engineer - Hybrid Geico Insurance

Bethesda, MD

$110,000–$230,000 / year

Utilize programming languages like Python, C#, Java, TypeScript or other object-oriented languages, SQL, and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of Azure tools and services. GEICO is seeking an experienced Engineer with a passion for building high-performance, low maintenance, zero-downtime platforms, and applications to support the Digital Experience for customers.

30+ days ago

Cyber Full-Stack Technical Software Engineer Deloitte

Rosslyn, VA

$122,000–$240,500 / year

Experience with one of the following Frontier GenAI Platforms: Anthropic, Google or Open AI, including hands on experience with one of the following key platforms/products; Claude API, Claude for Enterprise, tool use, extended thinking, Claude Code, Gemini API, Vertex AI Agent Builder, Grounding, Google Workspace integration, GPT-4o, Assistants API, Responses API, OpenAI Agents SDK. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.

30+ days ago

Staff Software Engineer - Identity Lifecycle Engineering Geico Insurance

Bethesda, MD

$110,000–$230,000 / year

The ideal Identity Lifecyle Engineer proactively and holistically leads and supports Identity Lifecyle Engineering activities that guide the design, development, and security of Identities in the cloud and on-prem. Knowledge of developer tooling across the software development life cycle (task management, source code, building, deployment, operations, real-time communication).

6 days ago

Software Engineer (Full Stack) - SME Grvty

Springfield, Virginia

You will work closely with data scientists, computer vision engineers, ETL engineers, and intelligence analysts to integrate machine learning capabilities into production systems, enabling scalable model deployment, monitoring, and continuous improvement. You will architect, develop, and maintain a Python-based data warehouse processing system that serves as the backend for a user-facing application, while also leading development of modern GUI applications using REST APIs and contemporary web frameworks.

30+ days ago

Frontend Software Engineer GRVTY

Columbia, MD

$100,163–$152,103 / year

Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications. Degree in Computer Science or related field; 3 years relevant experience with Masters in related field; or High School Diploma or equivalent and 9 years relevant experience.

24 days ago

Strategic Systems Software Engineer Johns Hopkins Applied Physics Laboratory

Laurel, Maryland

Full time

We're looking for engineers who see opportunities where others see constraints—people who leverage automation, AI-assisted development tools, DevSecOps, and modern software architectures to accelerate delivery, improve quality, and enable our team to support more programs with greater efficiency. The Software Engineering and Data Transformation Group (KBE), within the Strategic Deterrence Mission Area of the Force Projection Sector, supports the data architecture, collection, processing, and distribution required to evaluate Strategic Weapon Systems.

28 days ago

Software Engineer (Java, MASH, Linux) Cymertek

Reston, Virginia

Computer Science, Software Engineering, Information Technology, Computer Engineering, Systems Engineering, Applied Mathematics, Data Science, Information Systems, Network Engineering, Cybersecurity, etc. Software Engineer, Java Developer, Linux Developer, Middleware Engineer, Systems Engineer, Backend Developer, Full Stack Developer, Application Developer, Java Software Engineer, MASH Developer, etc.

30+ days ago

Senior Software Engineer – Python, GenAI & Cloud Solutions ConsultNet

Rockville, MD

This role will be responsible for building enterprise-grade software solutions, developing AI-powered applications and agents, integrating Large Language Models (LLMs), and driving engineering best practices across the software development lifecycle. Design and deploy solutions using AWS cloud services including Lambda, ECS, S3, API Gateway, SNS, SQS, IAM, RDS, CloudFormation, CloudFront, and Amazon Bedrock.

30+ days ago

Sr. Software Engineer ConsultNet

Rockville, MD

For over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. This role works independently to deliver scalable, high-quality applications while contributing to architectural decisions, software quality improvements, DevOps practices, and mentoring junior engineers throughout the software development lifecycle.

30+ days ago

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Software Engineer Jobs in Fairfax, VA

Software Engineer Ennoble First

Sr Advanced Software Engineer (C++, Java) General Dynamics Mission Systems, Inc

Staff Software Engineer Peregrine

Lead Software Engineer Appian

Senior Software Engineer - Data Fabric Appian

Software Engineer III With Ts/Sci Polygraph Deloitte

Senior Software Engineer (ML) Bigbear.ai

Software Engineer (Expert) TalentOps

Software Engineer, Principal Parsons Corp

Software Engineer, Principal Parsons Commercial Technology Group Inc.

Mid Level Backend Software Engineer- Java TalentOps

Staff Software Engineer - Hybrid Geico Insurance

Cyber Full-Stack Technical Software Engineer Deloitte

Staff Software Engineer - Identity Lifecycle Engineering Geico Insurance

Software Engineer (Full Stack) - SME Grvty

Frontend Software Engineer GRVTY

Strategic Systems Software Engineer Johns Hopkins Applied Physics Laboratory

Software Engineer (Java, MASH, Linux) Cymertek

Senior Software Engineer – Python, GenAI & Cloud Solutions ConsultNet

Sr. Software Engineer ConsultNet

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