Summary
Overview
Work History
Education
Skills
Timeline
Generic

John Stephens

Summerville

Summary

Results-driven Sr. Software Engineer with extensive experience building secure, high-performance applications for government and enterprise clients. Expertise in C#, .NET Core, Angular, Entity Framework, and SQL Server, with strong skills in unit testing, AWS cloud services, and Agile development. Recognized for leading modernization efforts—migrating legacy systems to modern .NET and Angular stacks, architecting testing frameworks that increased code coverage to 75%, and developing data-driven solutions that improved user engagement by 20%. Passionate about delivering scalable software and mentoring teams to raise engineering standards.

Overview

17
17
years of professional experience

Work History

Sr. Software Engineer

BAM Technologies - MySECO/EPAT
10.2014 - Current
  • Designed and developed C# .NET Core Web APIs, Angular front-end components, and SQL Server stored procedures for a government application serving 250,000+ users.
  • Implemented Entity Framework Core for data access, streamlining queries and reducing database load times by 30%.
  • Collaborated with government clients to translate requirements into technical solutions using .NET, Angular, and AWS services, resulting in a 20% increase in user engagement.
  • Led the migration of multiple legacy applications from ASP.NET MVC to .NET Core and Angular, improving maintainability, performance, and security compliance.
  • Architected and deployed a unit testing framework (xUnit, Moq) that increased test coverage to 75%, reducing regression defects and accelerating release cycles.
  • Mentored junior developers in C#, Angular, Git workflows, and Agile practices, fostering team growth and code quality.
  • Configured and maintained deployments using TeamCity, Octopus Deploy, IIS and AWS S3, ensuring application stability and availability.

.NET Developer

BENEL Solutions - AICPA
03.2014 - 09.2014
  • Extended netFORUM Centralized Order Entry system by developing ASP.NET WebForms, C# business logic, and SQL Server stored procedures.
  • Created and optimized database queries in T-SQL, improving order processing efficiency.

GIS Developer

Leidos - Project Atlas
11.2012 - 02.2014
  • Built custom GIS tools in C# and Python to support 40+ analysts in data conversion, integration, and quality control tasks.
  • Developed mapping automation solutions to streamline geospatial data processing workflows, improving project turnaround times.
  • Utilized ArcGIS APIs and SQL Server to enable more efficient spatial data analysis.

GIS Developer and Analyst

S.S. Papadopoulos & Assoc. - Multi-Project Support
12.2008 - 10.2012
  • Designed automated mapping solutions using ArcGIS, SQL Server, and Python to support hydrologists in analyzing groundwater pollution and remediation data.

Education

Masters of Science - Geospatial Information Science

University of Maryland
College Park, MD
06.2012

Skills

  • Programming & Frameworks: C# NET Core, ASPNET, Entity Framework, LINQ, TypeScript, Angular, jQuery, HTML, CSS, SCSS, Material UI, Flexbox
  • Databases: SQL Server, T-SQL, Stored Procedures, Query Optimization
  • Cloud & DevOps: TeamCity, Octopus Deploy, AWS (S3, Secrets Manager), CI/CD Pipelines
  • Testing & Tools: xUnit, Postman, Swagger, WAVE, SortSite

Timeline

Sr. Software Engineer

BAM Technologies - MySECO/EPAT
10.2014 - Current

.NET Developer

BENEL Solutions - AICPA
03.2014 - 09.2014

GIS Developer

Leidos - Project Atlas
11.2012 - 02.2014

GIS Developer and Analyst

S.S. Papadopoulos & Assoc. - Multi-Project Support
12.2008 - 10.2012

Masters of Science - Geospatial Information Science

University of Maryland
John Stephens