Software Developer/A&A Engineer
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Before you apply
Salary$145k – $170k
LocationHerndon, VA, US
Typefull-time
SenioritySenior
Experience6+ yrs
Company size29+ people
PostedSep 21, 2026 · 1mo ago
Verified live4h ago
At a glanceSummarised by Seekless from the posting.
Minimum 6+ years of professional software development experience
At least 2 years focused on security engineering and A&A processes
Bachelor's degree in a related technical field or equivalent professional experience
Strong proficiency in an object-oriented programming language such as C#, Java, Kotlin, or C++
Strong understanding of object-oriented design, data structures, algorithms, and common software design patterns
Experience developing and supporting business or enterprise applications
Experience with source control, code reviews, testing, debugging, and the Software Development Lifecycle
Experience working with relational databases, web services, or application integrations
Ability to learn new programming languages, frameworks, and systems
Knowledge of A&A processes, including identifying and addressing security incidents and compliance issues
Strong problem-solving and communication skills
Experience with C# and .NET
Experience with PowerShell or another scripting language
Experience developing web APIs, Windows services, desktop applications, or web applications
Experience with Microsoft Windows and IIS environments
Experience with Jenkins CI/CD pipelines and automated deployments
Experience working with AWS and Azure
Experience using GitHub, Jira, Jenkins, and Confluence
Familiarity with secure software development practices
Familiarity with Agile development methods
Familiarity with AI-assisted development tools and AI-enabled application capabilities, including the secure use and validation of generated code and content
Skills
C#
.NET
Java
Kotlin
C++
PowerShell
Jenkins
AWS
Azure
GitHub
Jira
Confluence
Benefits
Health insurance
Dental insurance
Vision insurance
401(k)
Paid time off
Short term disability
Long term disability
Life insurance
Referral bonuses
Overview
About the role
Software Developer / A&A Engineer
Herndon, VA
TS/SCI with Poly
At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational support. Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions.
Do you want to join a team that is building tailored technical solutions to modernize our government’s mission and our client’s business? Do you have a desire to change how people work? Are you interested in helping to protect our nation’s cyber interests? Join our growing team supporting customer missions as a Software Developer / A&A Engineer in Herndon, Virginia.
Responsibilities
We are seeking a Senior Software Developer with expertise in secure software engineering and Assessment and Authorization (A&A) processes. The candidate will develop secure applications, conduct security assessments, and support A&A efforts in an Agile environment, collaborating with cross-functional teams to safeguard customer assets.The team primarily develops in C# and .NET. Candidates with strong experience in Java or another object-oriented programming language are encouraged to apply. The successful candidate should be able to become productive in C# within the first several months.Key Responsibilities:
•
Design, develop, test, deploy, and maintain enterprise applications and services.
•
Develop readable, maintainable, and secure software.
•
Troubleshoot application defects and production issues.
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Review code and contribute to technical design decisions.
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Work with customers and team members to clarify requirements.
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Maintain technical documentation.
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Participate in planning, code reviews, testing, and software releases.
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Support and improve existing applications, including legacy systems.
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Complete security-relevant A&A tasks, such as risk assessments, vulnerability management, security control testing, and preparing authorization packages.
Qualifications
Required Qualifications:
•
Minimum 6+ years of professional software development experience, with at least 2 years focused on security engineering and A&A processes.
•
Bachelor’s degree in a related technical field or equivalent professional experience.
•
Strong proficiency in an object-oriented programming language such as C#, Java, Kotlin, or C++.
•
Strong understanding of object-oriented design, data structures, algorithms, and common software design patterns.
•
Experience developing and supporting business or enterprise applications.
•
Experience with source control, code reviews, testing, debugging, and the Software Development Lifecycle
•
Experience working with relational databases, web services, or application integrations.
•
Ability to learn new programming languages, frameworks, and systems.
•
Knowledge of A&A processes, including identifying and addressing security incidents and compliance issues.
•
Strong problem-solving and communication skills.
Desired Qualifications:
•
Experience with C# and .NET.
•
Experience with PowerShell or another scripting language.
•
Experience developing web APIs, Windows services, desktop applications, or web applications.
•
Experience with Microsoft Windows and IIS environments.
•
Experience with Jenkins CI/CD pipelines and automated deployments.
•
Experience working with AWS and Azure
•
Experience using GitHub, Jira, Jenkins, and Confluence
•
Familiarity with secure software development practices.
•
Familiarity with Agile development methods.
•
Familiarity with AI-assisted development tools and AI-enabled application capabilities, including the secure use and validation of generated code and content.
What you can expect from us
•
The expected salary range within the Washington, DC metropolitan area is: $145,000 - 170,000. Final compensation is unique to each individual and will be determined based on factors such as experience, education, geographic location, and contractual requirements. This is not a guarantee.
•
Benefits include Health/Dental/Vision, 401(k), Paid Time Off, STD/LTD/Life Insurance/Voluntary Life Insurance, Stipends, Referral Bonuses, and more.
Legal
BCore is proud to be an equal opportunity workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, sexual orientation or any other characteristic protected by law.