Sept. 30, 2026

Applications Architect - Intermediate

Advanced Systems Design Tallahassee, Florida

Advanced Systems Design is seeking an Applications Architect - Intermediate for our client located in Tallahassee, FL.

This position is onsite in Tallahassee, FL, and requires in-person availability starting day 1.

Job Overview:

This position will serve as the primary technical architect responsible for remediating the Comptroller Automation Platform (CAP) and providing architectural and development leadership across other Office of Comptroller (OOC) initiatives. The role will focus on improving code quality, addressing security vulnerabilities, strengthening the agency’s .NET infrastructure, and providing hands-on technical guidance and support to development teams.

In support of the CAP, this position will review remediated application code and utilize the agency’s SonarQube code scanning tools to enhance code quality, maintainability, and release readiness. The role will also contribute to modernization efforts by updating and replacing legacy UI components, including AngularJS and Kendo UI implementations. Additionally, this position will collaborate closely with the agency’s LaunchPads lead developer to design and implement complex or high-risk technical changes.

Duties of the Applications Architect will include, but not be limited to:

Design and document end-to-end application architectures using the Microsoft .NET ecosystemDefine solution patterns (monolithic, modular monolith, microservices, event-driven, etc.)Establish architectural standards, reference architectures, and design guidelinesEvaluate and recommend technology stacks and frameworksProvide technical leadership and guidance to development teamsReview code, pull requests, and design artifacts for architectural complianceEnsure adherence to SOLID principles, clean architecture, and best practicesSupport CI/CD pipeline integration and deployment strategiesAssess existing systems and recommend modernization approachesGuide migrations (legacy JCL/COBOL/FOCUS à .NET)Identify and prioritize technical debt remediationSupport refactoring strategies without disrupting business operationsProduce and maintain architectural diagrams and technical documentationDocument design decisions and tradeoffs (ADRs)Support onboarding and mentoring of internal technical staffParticipate in architecture reviews and governance forumsAnalyze and document existing computing assets, including technical specifications and established business rulesAssist with debugging and troubleshooting existing processes when neededDiagnose and resolve issues after performing root cause analysisProvide guidance and assist with remediating and upgrading legacy assetsCoordinate with business analysts, other developers, and product owners to remediate to the new statewide accounting systemParticipate in code and design reviews to ensure quality and performancePerform knowledge transfer with technical staff of the Office of the ComptrollerSolution architecture diagrams and documentationTechnology and design recommendationsArchitecture decision records (ADRs)Required Qualifications:

A minimum of 7 years of experience in multiple IT areas and 2–3 years of relevant architecture experience. Advanced to expert-level knowledge and understanding of architecture, applications systems design and integration, specifically .NET.Experience with the following technologies:

C# or ASP.NET CoreWebAPIs (RESTful Services)Entity Framework / ORM Frameworks.NET Framework and Modern .NET (.NET 6+)Microsoft AzureCI/CD Pipelines (Azure DevOps, GitHub actions, etc.)Front-End JavaScript Library (Angular, React, Vue, etc.)Must be able to apply common knowledge, skills, and abilities in the following areas:

Clean Architecture and Domain-Driven Design (DDD)Event-driven architecturesAPI design and integration patternsWeb application development and front-end frameworksAzure DevOps tools such as App Insights, Key Vault, and Blob StorageSQL Server and relational database designData access optimization and performance tuningPerformance tuning and scalabilityReliability and fault toleranceLogging, monitoring, and observabilityKnowledge of the SCRUM FrameworkKnowledge of financial systems such as an ERPEntity Relationship DiagramsDocumenting and communicating technical requirementsCoordinating with Business Analysts to capture business requirementsAbility to bridge the gap between technical and business language
Education:

A Bachelor’s or Master’s Degree in Computer Science, Information Systems, Data Science, Software Engineering, or other related field. Work experience can substitute for a degree on a year-for-year basis. Advanced Systems Design, Inc. is:

A leading Information Technology provider for Federal, State & Local government agencies.A certified minority-owned small business government contractor with capabilities related to Public Health IT, Criminal Justice, Transportation, and Defense.A certified service-disabled veteran-owned company with a proud 46-year track record of providing successful, innovative solutions for our government customers.A drug-free workplace in accordance with the Drug-Free Workplace Act of 1988. Applicants who have a signed offer of employment or contractor agreement are subject to:the pre-employment testing protocol:background investigationdrug screeningOur Employees:

Are actively working on next-generation technology projects with the U.S. Department of Veterans Affairs, CDC, and a wide array of Federal, State, and Local agencies throughout the United StatesAre eligible for wide-ranging benefits and perks, including but not limited to:Comprehensive Health Insurance with PPO and HDHP/HSA optionsDental InsuranceVision InsuranceShort/Long-Term DisabilityGroup Life Insurance - Company PaidVoluntary Life Insurance401(k) Plan with Employer MatchPaid Time Off (Vacation/Sick)Holiday Pay - Company Paid Federal HolidaysProfessional Certification Incentive PlanEmployee Referral PlanTechnology ExposureFor additional information regarding Advanced Systems Design, please check out our WEBSITE or click HERE for all current job openings.

Advanced Systems Design is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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