Software Developer SME
$154.05k - $278.48kLeidos
Leidos is seeking a Software Engineer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and data engineers. The successful candidate will support continuity of our customer’s mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems. Primary Responsibilities: o Comfort and familiarity in maintaining legacy applications o Experience in modernization of legacy applications o Ability to write custom scripts to install and configure code in EC2 instances o Experience leveraging Amazon Web Services o Experience creating RESTful API o Experience with spring boot o Develop Java and Angular (Typescript) that leverage Elasticsearch o Comfort and familiarity designing and utilizing custom ETL methodology o Strong communication, design, and documentation skills o Strong time and workflow management skills o Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute) o Work within the parameters of Agile & Scrum methodologies o Willingness to mentor and teach junior developers’ community best practices in a constructive fashion o Ability to methodically think through new and exciting challenges in a collaborative team environment in order to provide technically sound solutions Required Qualifications • Active TS/SCI with Polygraph • Master's degree and 15+ years of experience. Additional experience in lieu of degree. • Must have experience with Java, spring boot, Angular (Typescript), and the Cloud / Amazon Web Services • Prior experience reading and developing solutions to customer requirements and specifications • Prior experience developing custom ETL • Knowledge of Git, Jenkins, selenium, and Rundeck • Experiencing working in Command Line (RH Linux) Desired Qualifications • Understanding and knowledge with Identity and Accessibility development practices • Experience with automation methodologies like selenium • Experience with containerization and modular development • Familiarity with UI/UX Design • Full Stack Development • Certification - Amazon Web Services (AWS) FIP If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: June 29, 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. Pay Range: Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
- ...Software Developer (Full Stack Developer) Department: Data Analysis and Technology Services Employment Type: Full Time Location: Chantilly,... ...LOCATION: Full-time, onsite in Chantilly, VA Join our team as a SME level Full Stack Software Developer and help build cloud‑...SuggestedFull timeRemote work
$187.18k - $250.37k
...Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills:... ...our work depends on a Software Engineer (SME) joining our team to support Government... ...Required skills: Hands‑on experience developing web or client/server applications using Java...SuggestedFull timeTemporary workWork experience placementImmediate startRemote workWorldwideFlexible hours- ...requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and... ...the hard problems. As a Cloud Engineer SME, a typical day will include the... ...Work Requirements * Ability to design, develop, and deploy modular cloud‑based systems...SuggestedFull time
- ...Title: Software Engineer SME Location: Herndon, VA Clearance Required: Active TS/SCI with Polygraph Benefits Overview Medical, Dental and Vision... ...& Legal Services Role Overview Full Stack Software Developer supporting a key government customer delivering Enterprise...SuggestedRemote work
- A leading technology services provider located in Virginia is seeking an experienced professional for a senior support role. The position requires a minimum of 10 years of experience, with expertise in Cisco technologies and cloud environments like AWS and Azure. The ideal...Suggested
- ...Freedom Technology Solutions Group is looking for an Applications Developer/ Software Engineer in Virginia. The role requires experience or... ...React Native, Electron, and secure mobile frameworks Serve as SME for mobile OS security, hardware integration, and geospatial...Flexible hoursNight shift
- ...Java Developer Employment Type: Full-Time Department: Information Technology CGS is seeking a Java developer/programmerto join a team... ...: Collaborate with business analyst and developers to produce software designs Provide work estimates to project manager, provide frequent...Full timeFlexible hours
- ...Job Details: Java software engineer to support the Chantilly, VA medical laboratory. The primary responsibility is to design and code instrument interfaces that automate communication between laboratory instruments and our software systems. Onsite technical evaluation...Work experience placement
- ...and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems... ...ensure quality of products. The process includes DAT, UAT/SME Validation, Smoke Test, and System Level Test (SLT) prior to...
$131.3k - $237.35k
...Mobile Application Developer This role supports the program manager with operational support... ...act as a geospatial technology and mobile SME, track program progress, risks, issues,... ...experience working with small teams to manage software development activities. Demonstrated...Work experience placement$180k
...talent locally available. We Are Looking For We are seeking an SME Systems Engineer to provide technical leadership for API... ...necessary to allow you the room to pursue everything you want to develop in your personal life. We offer a generous Paid Time Off benefit...Flexible hours- ...Scope Polygraph Skill Level(s): Subject Matter Expert • use software such as Jira, Confluence, SharePoint, or similar to create user... ...CI/CD pipelines, and version control systems. • design and develop databases, including schema design, data modeling, and data...Full timeContract workLocal area
- ...Job Description Northstrat is seeking a Jr, Mid, Sr, and SME Software Engineers to join our dynamic team. The ideal candidate will have... ...Java is a key skillset for backend software engineers. · Develop capabilities supporting observation scoring using the developed...Full timeContract workWork experience placementFlexible hoursWeekend workWeekday work
- ...Java Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship... ...to you joining our family. *** SIMILAR CAREER TITLES Java Developer, Backend Developer, Full Stack Developer, Software Engineer, Application...Temporary workFor contractorsImmediate startFlexible hours
- ...Closure Technologies is an innovative IT consulting and software engineering company that helps government organizations solve complex... ...unique needs. Closure Technologies is seeking a Lead Frontend Developer to support a mission‑critical geospatial program in Chantilly,...
- Description This position is for a Cloud and Systems Engineer to join our team in Chantilly, VA. The team is comprised of highly technical and motivated individuals. The engineer for this role will assist in the operation, automation, and support of hybrid infrastructure...
- ...Wolf is looking for a Mid-Level DevSecOps SME / Information System Security Engineer (... ...team as well as external satellite software development contractors. The successful candidate... ...to analyze complex technical issues and develop effective technical solutions. This role...Full timeFor contractors
- ...to the workforce, including data analytics that enable business decisions Mandatory Skills Demonstrated professional experience developing and implementing system upgrades. Demonstrated experience identifying technical risks and risk mitigation strategies. Demonstrated...
- ...wired and wireless network infrastructure and related hardware & software. The project’s objectives are to evaluate the current setup of... ...based on the deployment of network management software; Develop, maintain and deliver infrastructure documentation relating to...Full timeLocal areaMonday to FridayFlexible hours
- ...Software Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Are you a creative and driven individual who loves turning ideas into functional, efficient software solutions? We are looking...Temporary workFor contractorsImmediate startFlexible hours
- ...MANTECH seeks a motivated, career and customer-oriented Software Developer to join our team in Chantilly, Virginia. As a Software Developer on our team you will support a high visibility program that offers challenging positions with significant impact on national...
- ...BasisPath is seeking a Lead Software Engineer to support the development of mission‑critical capabilities. In this role, you will be responsible for architecting and developing software solutions, leveraging modern cloud‑based environments and DevSecOps technologies....
- ...Location: Chantilly, VA, US Date Posted: 2026-03-05 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel... ...Work: ORA_ON_SITE Description ?SAIC is seeking a Software Developer to maintain a network, records system, and other analytical applications...Full timeRemote workShift work
$86.8k - $198k
...Job Number: R0241584 Rust Software Developer The Opportunity At Booz Allen, we believe in empowering people to change the world. As a Rust Software Developer, you will apply your technical expertise to solve complex challenges in support of national defense missions....Local area- ...Software Developer Chantilly, VA Active TS/SCI with Polygraph Company Overview Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees...
- ...Overview Security Clearance: TS/SCI with Fullscope Polygraph required. Position: Seeking a Software Developer to support an Intelligence Client. Required Bachelor's Degree in Computer Science, EE, or related STEM field, with 3+ years of experience (or 3 additional years...Temporary workFlexible hours
- ...Soft Tech Consulting, Inc. is looking for a Mid-Level Java Developer for a remote position focused on developing and supporting enterprise applications. The role involves working with legacy technologies such as ColdFusion and PowerBuilder, alongside modern Java technologies...Contract workRemote work
$61.9k - $141k
...Engineer The Opportunity As a DevSecOps Engineer, you know that good software is more than a nice-looking interface + data. You need the... ...support future functionality and enhancements. Work with us to develop systems that create change for the better. Join us. The world...Full timeContract workPart timeLocal areaRemote work- ...BT-331 – Software Engineer – SME Location: Chantilly, VA (fully on-site, no remote option) Please do NOT apply if you do not have an active Poly... ...provide system information and technical support. Design, develop and modify software systems. Document and track vendor...For contractorsRemote work
- ...your mission’s biggest challenges. Dark Wolf is seeking a highly motivated and self‑directed professional to fill the role of Software Developer/Data Engineer to support our team in Northern Virginia. The candidate will be a member of a software development team...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Developer SME. Be the first to apply!
- software engineer amazon Chantilly, Loudoun County, VA
- experienced software developer Chantilly, Loudoun County, VA
- federal - software developer Chantilly, Loudoun County, VA
- senior software engineer Chantilly, Loudoun County, VA
- software developer fintech Chantilly, Loudoun County, VA
- part time software developer remote Chantilly, Loudoun County, VA
- software engineer Chantilly, Loudoun County, VA
- software engineer healthcare Chantilly, Loudoun County, VA
- scientific software engineer Chantilly, Loudoun County, VA
- network software engineer Chantilly, Loudoun County, VA

