Full Stack Developer- Top Secret
Bart & Associates
Job Description
Job Description
Description:
Full Stack Developer/ Architect
At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated these values into successful delivery for our customers since 1988. B&A believes in ensuring its employees feel deeply connected to B&A, recognizing successes and hard work, and providing continuous opportunities to learn and grow. Our people are entrepreneurial thinkers that combine mindset, vision, and experience to drive value – not only to us as an organization, but to the clients we support. We promote a collaborative culture with our clients, and with each other, as one team working towards a common vision. We’d love for you to join our team!
Job Summary
We are seeking an experienced Senior .NET Systems Architect / Developer to support a federal program operating within a legacy technology environment while supporting ongoing system enhancements and integration efforts. This role focuses on maintaining, enhancing, and stabilizing existing systems while contributing to incremental improvements in system architecture, data integration, and development processes.
The ideal candidate will have strong experience in .NET/C# development, familiarity with legacy systems, and a demonstrated ability to support data movement and integration across multiple platforms. This role will also contribute to improving development and deployment workflows, including supporting environment setup and system interoperability.
Responsibilities
- Support development and maintenance of .NET/C# applications within a legacy system environment using Microsoft Visual Studio.
- Assist with establishing and stabilizing development and production environments, including coordination with stakeholders to address setup, configuration, and deployment challenges.
- Design and implement data movement and integration solutions across diverse platforms (legacy systems, databases, and modern tools).
- Analyze existing systems (including COBOL or mainframe components) and recommend practical enhancements to improve performance, reliability, and maintainability.
- Support data modeling and ETL processes to ensure consistent and reliable data flow.
- Collaborate with federal staff, vendors, and internal teams to support continuity of operations and technical alignment.
- Contribute to system and network architecture discussions, including connectivity and performance considerations.
- Support evaluation and application of modern tools and technologies, where appropriate, to enhance data processing and analytics capabilities.
- Identify opportunities to improve efficiency and scalability within existing system constraints.
- Assist with documentation, knowledge transfer, and system continuity efforts.
Education and Experience
- Bachelor’s degree in Computer Science, Information Systems, Engineering, or equivalent experience.
- 5–8+ years of experience in software development and/or system architecture.
Required Qualifications
- Strong experience with:
- .NET Framework / .NET Core
- C# development
- Microsoft Visual Studio development environments
- Oracle and/or Microsoft SQL Server (MS SQL)
- Experience with data integration, data movement, or ETL processes.
- Familiarity with legacy systems, including COBOL or mainframe environments.
- Experience troubleshooting and supporting development and deployment environments.
- Understanding of system integration and distributed systems.
- Strong communication and collaboration skills.
Preferred Qualifications
- Experience working in federal or highly regulated environments.
- Familiarity with modern data platforms, including Databricks or similar technologies (desired for future-state capabilities).
- Experience with data modeling and database design.
- Exposure to cloud platforms (Azure, AWS, or similar).
- Basic understanding of network architecture and system connectivity.
- Exposure to AI/ML or advanced analytics tools.
Certifications (Preferred)
- CompTIA Security+ (or equivalent baseline certification)
- CompTIA Network+
- Microsoft Certified: Azure Fundamentals or Azure Solutions Architect
- Databricks Data Engineer Certification (desired)
- ITIL Foundation Certification
Key Attributes
- Strong problem-solving mindset in bridging legacy and modern systems.
- Practical, detail-oriented approach to system stability and incremental improvement.
- Ability to work effectively in structured environments with evolving requirements.
- Collaborative approach across government, contractor, and vendor teams.
- Commitment to documentation, knowledge sharing, and operational continuity.
Security Clearance
- Active Top Secret clearance . Able to obtain TS/SCI.
More About iDox:
Notable Clients
B&A has grown to be a company that is trusted by our clients for exceptional service, innovative solutions, and inspired employees. Our service extends through federal, state, and local Government, the private sector, and higher education. Some of our notable clients include Department of Justice, Department of State, FDA and Army.
Benefits and Programs
B&A is proud to offer full time employees a 100% premium paid medical plan option, which includes coverage for medical, prescription, dental, vision, life insurance, AD&D, disability, Teladoc, and accident insurance. In addition to these benefits, B&A employees enjoy paid time off, tuition assistance, B&A sponsored trainings and certifications, commuter transit benefits (SmartBenefits) for DC Metro full-time employees and a free subscription to a virtual exercise platform (NEOU).
B&A has launched several programs to focus on employee engagement, wellness, and assistance.
These include:
- The B&A Cares program: on-staff registered counselor, 30/60/90-day wellness check ins, personal development, financial management, and stress management seminars, wellness challenges, and more
- A formal mentorship program
- Job shadowing and cross training opportunities
- Brand Ambassador program
- Lifeworks Employee Assistance Program (EAP): engagement through guided wellness and peer recognition. Access to various support resources to include counseling, legal guidance, financial planning, and more
- Monthly virtual events
- B&A Annual Wellness Challenge: #StepWithBnA, #WalkDuringLunchWithBnA, #VolunteeringWithBnA, and #ExerciseDuringLunchWithBnA, and more
At B&A, we place significant importance on improving the communities and lives of citizens across the nation through our involvement, technology expertise, and employees. B&A puts an emphasis on charitable efforts in the Northern Virginia area, including Capital Area Food Bank pantry drives, book donations, Hope for Henry Foundation events, and many more. In recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award.
EEO
B&A provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. B&A complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy covers conduct occurring at B&A’s offices, and other workplaces (including client sites) and all other locations where B&A is providing services, and to all work-related activities.
EEO is the Law
B&A participates in e-Verify. We provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee’s I-9 Form to confirm work authorization.
Requirements:- ...Adhere to all applicable safety, environmental, security, and quality assurance standards Minimum Qualifications ~ Active Top Secret Security Clearance. ~ Bachelor's degree in Mechanical Engineering from an accredited college or university. ~ Valid 3rd Class...SuggestedContract workFor contractors
- ...Job Title Designing, developing, and maintaining web applications Utilizing understanding... ...experience) Proven experience as a Full Stack Developer, with knowledge of a... ...S. GOVERNMENT SECURITY CLEARANCE AT THE SECRET LEVEL Travel Requirements None...SuggestedFor contractorsLocal area
- ...capabilities that advance their missions. From intelligent automation to full-stack digital platforms, we’re committed to building technology that... ...an impact. What We Are Building The Atlas Innovation Team develops modern, AI-enabled, full-stack software that accelerates...Suggested
- ...Senior Full Stack DeveloperVetsEZ is seeking a Senior Full Stack Developer to support a large federal healthcare technology program. In this role, you will design, develop, test, and maintain modern web applications, APIs, and supporting services across front-end, back...SuggestedRemote work
$60 - $75 per hour
...Shopify Full Stack DeveloperAnatta is seeking a skilled Shopify Full Stack Developer to join our growing engineering team. In this role, you will develop, customize, and optimize Shopify and Shopify Plus ecommerce experiences for ambitious brands.The ideal candidate has...SuggestedHourly payContract work- ...FulltimeJob Description:Skills:Minimum 6+ years of experience in.NET Full Stack DevelopmentStrong expertise in.NET Core /.NET 6+, ASP.NET MVC,... .../ Mfg. Industry / Aero IndustryResponsibilities:Design and develop scalable full-stack applications using .NET and React/...
- ...SAIC is seeking a Software Engineer to own full stack development and technical maturation of... ..., and supporting infrastructure.Design, develop, and maintain APIs and services using Go... ...management, container hardening, secrets management, logging/auditing, and secure...Work experience placementInterim role
- ...Security Position Type Regular Full-Time Application Open Date 4/... ...Assessing system vulnerabilities, developing riskmitigation strategies, ensuring compliance... ...(ACQ160+ISA220) Active DoD top secret (or higher) clearance At least one...Full timeFor contractorsLocal areaOverseas
$100k
...job offers and $100k+ salaries. We regularly interact with the top tech companies to give our candidates a competitive advantage... ..., we are looking for entry-level software programmers, Java full-stack developers, Python/Java developers, data analysts/data scientists, and...Full timeH1b- ...Sr. Full Stack EngineerWe're seeking a Sr. Full Stack Engineer to drive technical excellence across our engineering stack. In this role, you will:Architect and develop scalable web applications using modern web frameworks ensuring code quality and best practices across...Work experience placementLocal areaRemote work
- ...AUTHORIZATION/SECURITY CLEARANCE U.S. Citizen Secret clearance (ability to obtain TS preferred... ...across systems, enclaves, and sites Develop and maintain Security Assessment Plans (... ...explore jobs with us at We offer our full-time employees a competitive benefits...Full timeContract workTemporary workFor contractorsWork at officeLocal areaRemote workMonday to Friday
- ...Job TitleDesigning, developing, and integrating advanced machine-learning... ...2 years of progressive, full-time experience developing AI... ...g., Prometheus, Grafana, ELK stack)Strong communication and stakeholder... ...higher-level clearance (Top Secret/SCI) as mission requirements...Full timeFor contractorsLocal areaOverseas
- ...electronic and electro-mechanical systems. This role involves developing technical documentation, implementing power solutions... ...U.S. Citizenship required Active U.S. Government Secret clearance required with Top Secret / SCI eligibility Desired Qualifications...
- ...CONTRACTOR FOR THE U.S. GOVERNMENT. THIS POSITION WILL REQUIRE U.S. CITIZENSHIP AS WELL AS A U.S. GOVERNMENT SECURITY CLEARANCE AT THE TOP SECRET / SCI LEVEL. Travel Requirements 75% Travel, able to travel for up to a month at a time, usually, one to two weeks Able to obtain...For contractorsWork at officeLocal areaRemote workOverseas
- ...knowledge Strong mechanical aptitude Cable fabrication skills U.S. Citizenship required Active U.S. Government Secret clearance required with Top Secret eligibility Desired Qualifications Formal electronics training Cable fabrication training Basic...
$5,000 per month
...software sustainment teams simultaneously.Develop and maintain logical design diagrams,... ...Security Requirements: U.S. Citizen.Active Secret clearance required.IAT Level II baseline... ...clearance required.Imagine One offers a full package of benefits and competitive salary...- ...Job Description Job Description Full Stack Mobile Developer (React Native, AWS) Hybrid in Charleston, SC Schedule: Flexible hours Engagement: PT, FT, Contract; Possible equity. About Heirloom Heirloom helps families rescue, organize, and enjoy their...Full timeContract workPart timeFor contractorsRemote workFlexible hours
- ...is seeking a skilled PeopleSoft Payroll Developer to lead the end-to-end design, development... ....Ability to obtain and retain a Top Secret clearance.Strong proficiency with PeopleSoft... ...discriminated against for any reason.SummaryType: Full-timeFunction: Information...Contract workWork at officeWorldwideMonday to FridayWeekend workAfternoon shift
$112.2k - $151.8k
...and leak testing); analyze test data and develop timely technical dispositionsTroubleshoot... ...that will attract, engage and retain the top talent. Elements of the Total Rewards package... ...English) Right to Work (Spanish)SummaryLocation: USA - North Charleston, SCType: Full timePermanent employmentFull timeRelocationVisa sponsorshipWork visaFlexible hoursShift work$87.1k - $157.45k
...Desktop, and Amazon Workspaces.Support and develop sustainment strategies, provide... ...environments.Currently hold an active DoD Secret Security ClearanceRequires strong writing... ...law.SummaryLocation: North Charleston, SC; 9055 Charleston SC Home OfficeType: Full timeFull timeContract workFor subcontractor- ...NET Developer North Charleston, SC (Onsite)We are seeking an experienced .NET Developer to support a federal program operating within... ...sharing, and operational continuity.Security ClearanceActive Top Secret clearance. Able to obtain TS/SCI.Marathon TS is committed to the...For contractors
- ...responsible for budget and program management tasking. This position requires eligibility to obtain and maintain a U.S. Government Secret or Top Secret security clearance with SCI eligibility. What is a Senior Software Engineer – Backend A Senior Software Engineer (...Contract workWork at officeRemote workFlexible hours
$112.2k - $151.8k
...using the latest tools and methodologies. Develop your technical competence as well as your... ...that will attract, engage and retain the top talent. Elements of the Total Rewards package... ...) Right to Work (Spanish)SummaryLocation: USA - North Charleston, SCType: Full timePermanent employmentFull timeRelocationVisa sponsorshipWork visaFlexible hoursShift work- ...an experienced .NET Application Developer to design, develop, and maintain... ...federal government client and is full-time, on-site in Charleston, SC.... ...Security Clearance ~ Secret clearance to start. Ability to obtain a Top Secret clearance, if needed....Full timeWork at officeLocal area
$100k
...acquire the required skills. We regularly interact with the top tech companies to give our candidates a competitive advantage... ...Currently, we are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, data analysts/data scientists, data...Full timeRemote work- ...seeking an experienced.NET Application Developer to design, develop, and maintain console... ...supports a federal government client and is full-time, on-site in Charleston, SC. The... ...clearance to start. Ability to obtain a Top Secret clearance, if needed.More About B&A: Notable...Full timeWork at officeLocal area
- 4052 PeopleSoft Developer 4052 | Job Description: OVERVIEW: We are seeking an experienced PeopleSoft Developer/Analyst... ...~ Experience with Federal Payroll desired. CLEARANCE: ~ Secret minimum Job Details City : North Charleston...
- ...Currently, we are looking for entry-level software programmers, Java full stack developers, Python/Java developers, data analysts/data scientists,... ...discretion not ours. We regularly interact with the top tech companies to give our candidates a competitive advantage...Full timeH1bRemote work
- ...a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive... ...Spanish) Right to Work Statement Right to Work (English) Right to Work (Spanish)SummaryLocation: USA - North Charleston, SCType: Full timePermanent employmentFull timeWork experience placementCurrently hiringRelocationVisa sponsorshipWork visaFlexible hoursShift work
$103.7k - $140.3k
...a Structural Analysis Engineer. Primary Responsibilities: Develops, integrates and documents structural requirements to establish the... ...Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include...Permanent employmentWork experience placementRelocationVisa sponsorshipWork visaFlexible hoursShift workDay shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Full Stack Developer- Top Secret. Be the first to apply!


