950 Senior Software Developer jobs in Lorton,VA

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Mid-to-Senior Software Developer

SimVentions, Inc - Glassdoor✪ 4.6

Pomfret, MD 20675

New, Posted 1 day ago

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Sr. Software Engineer TS/SCI Polygraph

Leidos

Alexandria, VA 22314

~ 16 min OnsitePaid Time OffRetirement Benefit

Must have an active TS/SCI Polygraph up front. No exceptions.
Must have a BS degree and 12 – 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience. Additional experience may be substituted for a degree.
Must have demonstrated experience with Java.
Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
Must have experience or familiarity with multiple of the following languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL).
Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm.
Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server.
Must have experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with AngularJS, JSON, HTML, XML, XSLT.
Must have experience with software source control and configuration management tools.
Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures).
Must have experience developing on Windows, and/or Linux operating systems.
Must have documented professional experience with web services.
Must have a strong understanding of sound software development principles and practices.
Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing.
Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment.

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Vice President of Development and Revenue Operations

Argentum

Washington, DC 20402

RemoteUrgently Hiring

10+ years of experience in nonprofit development, membership, or business development
A track record of securing five- and six-figure gifts and building diversified revenue streams
Experience managing budgets, forecasts, and revenue targets
Exceptional communication, networking, and leadership skills
A collaborative mindset and the ability to work effectively across teams and levels of seniority
Proficiency with Microsoft Office or similar tools
Knowledge of advocacy fundraising, FEC reporting requirements, and PAC-related laws is preferred

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Senior Associate, Full Stack Developer - GCP

KPMG

Washington, DC 20011

~ 23 min OnsiteHealth InsuranceRetirement Benefit

A minimum of three years of full stack development and programming experience with proven experience as a Full Stack Developer or similar role.
Bachelor's degree in computer science, Software Engineering, or a related field.
Strong expertise in Java, Python, and React JS and proficiency with Spring Boot, and Kubernetes.
In-depth understanding of microservices architecture with a solid understanding of software engineering principles and practices with experience with GenAI and large language models (LLM).
Experience with SQL databases and cloud platforms (GCP).
Knowledge of CI/CD processes and tools like Maven, familiarity with version control systems like Git.
Ability to travel
Must be authorized to work in the U.S without the need for employment-based visa sponsorship now or in the future. KPMG LLP will not sponsor applicants for U.S work visa status for this opportunity (no sponsorship is available for H-1B, L-1, TN, O-1, E-3, H1B1, F-1, J-1, OPT, CPT or any employment-based visa)

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Software Developer-SME

GovCIO LLC

Quantico, VA 22134

$175,000/yr

Hybrid~ 20 min

High School with 10+ years (or commensurate experience)
Clearance Required: SECRET

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New, Posted 22 hours ago

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Application Support-Senior

Cherokee Federal

Washington, DC 20036

Hybrid~ 23 minEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Experience: 10 years (min) - Master's degree can replace 4years experience
Education: Bachelor's Degree or equivalent experience
Active Secret clearance, or the ability to obtain a Secret clearance, required.
Must be a US Citizen.
Must pass pre-employment qualifications of Cherokee Federal.

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DiversityJobs

Senior Director of Development, Major Gifts

National 4-H Council

Washington, DC 20005

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Full Stack Software Engineer (TS/SCI with Poly)

Vantor

Springfield, VA 22150

$150,000-$165,000/yr

~ 13 min OnsiteEducation AssistanceHealth InsuranceRetirement Benefit

To be eligible for this position, you mustbe a U.S. Citizen.
_Export Control/ITAR:_ Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
**This position requires an active U.S. Government Security Clearance at the TS/SCI level.**
US citizenship and a current TS/SCI clearance (with willingness to get a CI Polygraph).
Bachelor's degree in Computer Science or related technology fields
5+ years of proficient experience with:
Developing custom software solutions
Performing data extraction, manipulation, visualization, and analysis with strong proficiency in Java, Python or C++
Linux skills and familiarity with cloud architectures, AWS, C2S
NoSQL Data Stores - Elastic, MongoDB, etc.
Development tools such as Git, Eclipse, Maven
Ability to work both independently and in a team environment.
Ability to work full-time onsite.

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Lead, Software Engineer

L3Harris Technologies

Chantilly, VA 20151

~ 35 min OnsiteBilingual PreferredEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, Information Systems, or a related discipline with a minimum of 9 years of relevant experience
Alternatively, a Graduate Degree with a minimum of 7 years of related experience
Or, in lieu of a degree, a minimum of 13 years of related experience
Active Top Secret Security Clearance
Please be aware many of our positions require the ability to obtain a security clearance
Security clearances may only be granted to U.S. citizens
Must meet eligibility requirements for access to classified information

SmartExplore AI is experimental.

New, Posted 17 hours ago

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