Ser A Guerrero



Experienced full-stack software developer with a track record of over 9 years in designing and implementing robust backend systems and web applications. Proficient in crafting maintainable, concise, and easily debug code, with a proven ability to collaborate effectively in both small and large team environments. Versatile in adapting to diverse projects and businesses, and equally adept at working independently, whether from home or in an office setting, to meet the specific needs of the company.
Ser A Guerrero

Software Engineer, CyberSecurity & Cloud Engineer

Hello, I'm Ser Guerrero, a Non-commissioned Officer in the Army Reserve. In addition to my military role, I bring a wealth of experience as a Full-Stack software engineer with the Department of Defense, where I hold a security clearance at my local military base. I am known for my energetic, friendly, and diligent work ethic. Passionate about programming, cybersecurity, and cloud development, I thrive in dynamic environments that challenge and inspire innovation.


HTML | CSS | Bootstrap | Tailwind100%
Python | Node.js | Java90%
JavaScript | Angular | Jquery 100%
C# | .NET Framework 100%
MS SQL | Entity Framework | LINQ 95%
Web Services | API | Unit Testing90%

C# .NET, ASP .NET, MVC5, Core, DOTNET Core, Python, CSS, HTML, AJAX, JavaScript, JQUERY, AngularJS, Angular, Typescript, Angular CLI, React, REDUX, VUE.JS, Node.js, KnockOut.js, Bootstrap, Tailwind, XML, JSON, XML Web Services, IIS 5, IIS 6, IIS 7 .NET 4.0, .NET 4.5 .NET 5.0, .NET 6 Google Analytics, XAML, ADO .NET, RESTful Services, WCF, LINQ, Web API, Signal-R, Multi-Threading, T-SQL, Entity Framework, LINQ to Entities, LINQ to SQL, MSTEST, N-Unit, Spec flow Mocking, Scrum, Automated Testing, SPA, MVC, MVVM, Test Driven Design, Behavioral Driven Design, Specification by Example, N-Tier Architecture, Domain Driven, Architecture, Dependency Injection, Service Oriented, Architecture (SOA), Visual Studio 2019 & 2022, Visual Code, SSMS, Reporting Services, Edge, Firefox, Safari, Chrome, Linux, NuGet, GitHub, Balsamiq, Beyond & Compare, Fiddler, FileZilla, Paper Cut, Postman, Azure, Firebase, Heroku



Master of Science, Information Technology Management

2022 - In-Progress

American Military University, WV, West Virginia

Learn key management theories, principles, best practices, tools, and technologies associated with information systems, and enhance my knowledge of research methods and tools. Understand the processes, phases, domains, and measures for effective, complex IT project management

Bachelor of Science in Information Technology (BS)

Graduated on 2022, GPA: 3.56/4.00, Cum Laude

American Military University, WV, West Virginia

Build business plans and projects with an understanding of principles and practices of business solutions, e-commerce, software development, database systems, networks, information systems, information security, and information technology project planning

Associate of Applied Science in Computer Science

Graduated on 2006

Saint Louis University, Baguio City, Philippines

Computer Science Fundamental, Programming 1 & 2, Algebra, Plane Trigonometry, Web Development, Physics 1, Object-Oriented Programming, Design and Algorithms, Calculus, Physics 2, Database, Programming language, Software Engineering and Statistics.


Professional Experience

Application Developer

AUG 2021 - Current

Johnson Technology System, Inc. (United States Army, Picatinny Arsenal)

  • Develop block diagrams and logic flow charts.
  • Translate detailed design into computer software.
  • Test, debug, and refine the computer software to produce the required product.
  • Prepare required documentation, including both program-level and user-level documentation.
  • Enhance software to reduce operating time or improve efficiency.
  • Construct and implement APIs to interface with internal and external Web applications.

Information Manager Officer (IMO)

2019 - Currently Serving

U.S. Army - Financial Management FMSD

  • Provided full-scope service of workstations for soldiers.
  • Created SOP and continuity book to ensure flawless contingent operations.
  • Assisted soldiers with software, networking connectivity, and hardware.
  • Managed Security, Risk, and Compliance Management.
  • Security assessment of applications to identify vulnerabilities.
  • Coded MILPAY transactions
  • Computation of pay and deductions

Software Developer

AUG 2016 - AUG 2021

Schlesinger Group, Edison, NJ

  • Generated reports for project managers and recruiters using GEMBOX, including tasks such as rescheduling respondents, monitoring new additions, providing statistics, and managing the OSS Tracker.
  • Designed and implemented window-based data processing utilities, specializing in database design, programming, data migration, and data transformation through SQL queries. Developed services using MS Visual Studio.NET, C#, ASP.NET, ADO.NET, SQL Server 2014 & 2016, and T-SQL Stored Procedures.
  • Implemented enhancements to upgrade SAMS to the latest version, conducting thorough analyses of user specifications for workability, completeness, and business flow.
  • Introduced and executed MS UNIT TESTING procedures to ensure robust code quality.
  • Provided support and addressed various bugs in the SAMS project, taking a lead role in enabling SAMS to accommodate European projects. This involved tasks such as translating email templates, customizing fields for specific regions, and implementing email filters.

Full-Stack Software Engineer

SEPT 2012 - AUG 2016

Er-Er Tech, New Jersey

The MESHFEST Project was crafted utilizing .NET MVC5, a Microsoft framework seamlessly integrated with Bootstrap, jQuery, JavaScript, AJAX, JSON, CSS, MSTEST, ADO.NET, and MSSQL. Additionally, I formulated a comprehensive database model to accurately depict intricate business entities and their relationships.

Engaged in every phase of the Software Development Life Cycle, including documenting analysis using 3 Tier architecture. Provided recommendations and consultations with clients to determine the most suitable graphic design solutions. Actively involved in developing client displays and user interfaces for an enhanced user experience.


  • All
  • Lab
  • Mil
  • Web

Military Awards

United States Army Training Center, 193rd Infantry Brigade

United States Army Finance and Comptroller School

Army Service Ribbon

United States Army Finance Corps

National Defense Service Medal

Army Achievement Medal(AAM)

Certificate Of Achievement(COA)

Army Reserve Components Achievement Medal

Global War On Terrorism Expeditionary Medal

Global War Terrorism Service Medal

Overseas Service Ribbon


Ser (Albert) and I worked on a web portal project for the U.S. Army. I found Albert to be a skilled and professional full-stack developer. The project was developed using C#, SQL Server, js, JQuery and Bootstrap. Through our work together on this project, Albert demonstrated strong knowledge with each of these technologies. I believe he will be a valuable and productive member of any future project he works on

Jeffrey Breuninger

.NET Developer | Full Stack Developer

Ser (Albert) is a very diligent Applications Developer. He is readily available to both fix and debug application issues once they are found. He also offers insights into what the issue could be. Albert is also very kind, hardworking, and very friendly. He is definitely an asset to any team.

Cheryl Gravesande

Quality Engineering

SGT Ser A. Guerrero is the unit's sole Information Management Officer (IMO). He is responsible for several duties, including advising the commander on the status of the unit's mission essential computer accesses, coordinating with higher headquarters, ensuring computer and communications security, and monitoring cyber traffic. SGT Guerrero represents the commander for all matters relating to information management (IM) and information technology (IT). In addition, he oversees password distribution, Internet usage, and the unit's adherence to appropriate IT security procedures.

SPC Guerra, Brandon

U.S. Army Soldier

I worked with Ser on a project where we developed a new web portal application for the customer. Ser is an easy-going, talented, and enthusiastic web developer. He brought ideas and made many contributions to the project with the end goal of delivering the web application to the customer. He would be a great asset to any development team.

Ngoc Nguyen

SQL Database Developer/Administrator