2,603 Results for

Software Engineer Jobs in Crystal, VA

Jobs

Software Engineer (Req-292) CATHEXIS

Tysons, VA

$123,100–$149,800 / year

Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.

30+ days ago

Senior Software Engineer Absolute Business Solutions Corp

Bethesda, MD

You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems to include middle-tier and backend engineering tasks. Specifically, we are looking for a skilled Python developer to join our team to build and maintain scalable microservices that interface with Kafka for real-time messaging and Elasticsearch for data indexing and search.

30+ days ago

Sr. Staff Software Engineer, AI Agent Platform Geico Insurance

Bethesda, MD

$130,000–$300,000 / year

The team is building several core systems: an agent harness that runs agentic workflows durably in production, a retrieval-augmented generation (RAG) platform that grounds agents in enterprise knowledge, an insight engine that turns agent execution data and signals from related systems into live domain knowledge and context for both people and agents, an eval harness that measures agent quality and catches regressions, and a skills marketplace where teams publish and reuse agent capabilities. Experience building GenAI applications and agentic harnesses, using frontier and open-weight models (e.g., GPT, Claude, Gemini, Llama, Qwen) and frameworks such as LangGraph, Microsoft Agent Framework, OpenAI Agents SDK, or Claude Agent SDK.

30+ days ago

Sr. VoIO/VTC Telephony Engineer Jobot

MONTGOMRY VLG, MD

$120,000–$150,000 / year
Quick Apply

Design and integrate multi-vendor VTC and audiovisual collaboration environments, including Cisco Room Series, Webex, Poly, Microsoft Teams Rooms, Crestron, Zoom Rooms, and comparable technologies. Engineer enterprise dial plans, E.164 number normalization, digit manipulation, call routing, SIP trunking, carrier connectivity, PSTN services, voice gateways, voicemail, and emergency-calling capabilities.

8 days ago

Transport Network Automation Engineer Jobot

MONTGOMRY VLG, MD

$120,000–$150,000 / year
Quick Apply

The ideal candidate combines deep enterprise networking expertise with strong network automation skills and will help improve the repeatability, reliability, security, and traceability of multi-site network deployments while reducing manual configuration and engineering effort. We are seeking an experienced Transport Network Automation Engineer to design, develop, and maintain an end-to-end network automation framework that transforms engineering designs into validated, device-specific configurations and controlled production deployments.

8 days ago

Engineer Software 3 PROLIM Global Corporation

Maryland, MD

As a member of the Software Engineering department you'll work in a fast-paced team environment alongside physicists, superconducting foundry engineers, and software engineers to make our technologies a reality. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.

22 days ago

Lead Software Engineer, TS/SCI w/ Polygraph Mitre Corp

McLean, VA

$156,800–$196,000 / year

Basic Qualifications: Typically requires a minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or a PhD with 3 years' experience or equivalent combination of related education and work experience. Experience developing web applications with different architectures including server-side rendering (SSR), single page applications (SPAs), and hybrid applications (interactive islands pattern).

30+ days ago

Software Engineer 3 - Kubernetes Platform Management - Freewheel Comcast Corp

Reston, VA

$120,212.52–$180,318.78 / year

That's why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life. Be an active part of the Net Promoter System a way of working that brings more employee and customer feedback into the company by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.

30+ days ago

Software Engineer 3 (C++/Backend systems) - FreeWheel Comcast Corporation

Reston, VA

$120,212.52–$180,318.78 / year

As part of the Ad Server Tools Team, this role supports the development and maintenance of CI/CD pipelines, regression testing environments, and internal engineering tools that improve developer productivity and software quality. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life.

30+ days ago

Software Engineer 3 - Kubernetes Platform - Reston, VA - Hybrid - Freewheel Comcast Corporation

Reston, VA

$120,212.52–$180,318.78 / year

That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life. Be an active part of the Net Promoter System a way of working that brings more employee and customer feedback into the company by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.

8 days ago

Principal Software Engineer The MITRE Corporation

Chantilly, VA

$173,200–$216,500 / year

With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver integrated, high-impact solutions that advance our nation's health, security, and prosperity. Roles & Responsibilities: Deliver modern software capabilities, improving architecture, platforms, and developer workflows with strong engineering practices (secure coding, reviews, testing, maintainable design).

6 days ago

Software Engineer 3 - Golang or Python & Kubernetes - Freewheel Comcast Corporation

Reston, VA

$120,212.52–$180,318.78 / year

30+ days ago

Lead Software Engineer (Intelligence Center) Mitre Corp

Chantilly, VA

$156,800–$196,000 / year

Roles & Responsibilities: Deliver modern software capabilities, improving architecture, platforms, and developer workflows with strong engineering practices (secure coding, reviews, testing, maintainable design). Basic Qualifications: Typically requires a minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or a PhD with 3 years' experience or equivalent combination of related education and work experience.

30+ days ago

Software Engineer, DevSecOps Helsing

Washington

You will own the security posture of our development environment — ensuring CMMC Level 2 compliance, hardening our software supply chain, and implementing the controls required for product teams to achieve ATO against NIST and other cybersecurity frameworks. You will work closely with platform and product engineers to build secure CI/CD pipelines, enforce policy-as-code, and maintain the shared infrastructure that all teams depend on.

30+ days ago

SME Software Engineer VTG

Chantilly, Virginia

Full time

The Software Developer will work across a diverse technology stack that includes Java, Spring Boot, C/C++, NET, JavaScript, HTML/CSS, XML/SOAP, and Lotus Notes. Overview: We are seeking an experienced Software Developer to support the development, enhancement, and maintenance of enterprise classification tools and applications.

11 days ago

Senior Field Support Engineer (FSE)/Depot Services Manager MaxCyte, Inc

Rockville, MD

Job Responsibilities: Field Service Provides technical support for MaxCyte product lines and services by responding to customer technical inquiries; inquiries may be received via telephone, email, and/or web chat, or routed through our Technical Support (TAS) team Conducts installations and training at customer sites Performs instrument calibrations, upgrades, and repairs Troubleshoots and documents customer issues with recommended solutions Accurately records pertinent information from customer interactions and follows up to ensure the highest level of customer satisfaction Coordinates maintenance tasks throughout the region involving FSEs, FAS, and Business Development Managers Provides guidance to other FSEs and FAS, and identifies and executes process improvements to field support activities. Train TAS on instrument processes as needed to be able for them to support frontline customer support Cross-Functional Collaboration & Service Readiness Work closely with Service, Engineering, Product Development, Field Applications, Sales, Quality, IT, Operations, and Supply Chain to support strong service execution.

1 day ago

2027 Internship - Software Engineer/Data Scientist/Ontologist - Threat Analytic Systems Johns Hopkins University Applied Physics Laboratory LLC

Laurel, MD

We are a team of software engineers, data scientists, and knowledge representation experts who partner with experts across a wide range of domains including countering weapons of mass destruction (CWMD), special operations, intelligence analysis, biothreat security, online disinformation, and disease surveillance. Our goal is to research and build innovative AI-enabled systems that can identify and prioritize relevant data in a timely and scalable manner and accelerate our sponsors' abilities to observe and act on threat activities.

28 days ago

2027 Graduate - Software Engineer; Data Scientist; Ontologist - Threat Analytic Systems Johns Hopkins University Applied Physics Laboratory LLC

Laurel, MD

We are a team of software engineers, data scientists, and knowledge representation specialists who partner with experts across a wide range of domains including countering weapons of mass destruction (CWMD), special operations, intelligence analysis, biothreat security, online disinformation, and disease surveillance. Our goal is to research and build innovative AI-enabled systems that can identify and prioritize relevant data in a timely and scalable manner and accelerate our sponsors' ability to observe and act on threat activities.

30+ days ago

Senior Software Engineer- VA LOGC2, INC.

Springfield, VA

$140,000–$150,000 / year

The Senior Software Engineer will build the AI/ML-enabled functionality that powers the pilots, including the user experience and the application layer that surfaces model outputs, integrating with LangChain, LangGraph, or similar tools, and modernizing pilot applications onto a secure, cloud-native golden path. This role has operated at the center of the program's delivery: standing up React/FastAPI applications, migrating legacy (Streamlit) pilots to modern React + VA Design System frontends, hardening CI/CD pipelines, and taking AI pilots from prototype to deployed, measured products in Azure.

4 days ago

Embedded Software Engineer I Alarmcom Holdings Inc

Tysons, VA

$90,000–$100,000 / year

Our comprehensive suite of solutions-including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness-is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.

30+ days ago

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Software Engineer Jobs in Crystal, VA

Software Engineer (Req-292) CATHEXIS

Senior Software Engineer Absolute Business Solutions Corp

Sr. Staff Software Engineer, AI Agent Platform Geico Insurance

Sr. VoIO/VTC Telephony Engineer Jobot

Transport Network Automation Engineer Jobot

Engineer Software 3 PROLIM Global Corporation

Lead Software Engineer, TS/SCI w/ Polygraph Mitre Corp

Software Engineer 3 - Kubernetes Platform Management - Freewheel Comcast Corp

Software Engineer 3 (C++/Backend systems) - FreeWheel Comcast Corporation

Software Engineer 3 - Kubernetes Platform - Reston, VA - Hybrid - Freewheel Comcast Corporation

Principal Software Engineer The MITRE Corporation

Software Engineer 3 - Golang or Python & Kubernetes - Freewheel Comcast Corporation

Lead Software Engineer (Intelligence Center) Mitre Corp

Software Engineer, DevSecOps Helsing

SME Software Engineer VTG

Senior Field Support Engineer (FSE)/Depot Services Manager MaxCyte, Inc

2027 Internship - Software Engineer/Data Scientist/Ontologist - Threat Analytic Systems Johns Hopkins University Applied Physics Laboratory LLC

2027 Graduate - Software Engineer; Data Scientist; Ontologist - Threat Analytic Systems Johns Hopkins University Applied Physics Laboratory LLC

Senior Software Engineer- VA LOGC2, INC.

Embedded Software Engineer I Alarmcom Holdings Inc

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