Alberto User

Lead Software Developer

One of three lead developers of a persistent real-time multiplayer platform, architecting ~220 modular services across a TypeScript, Svelte 5 and Lua codebase. Built full-stack features end to end and established engineering standards.

TypeScriptSvelte 5LuaMariaDBSQLiteGit FlowLokiRESTRPC

Full-Stack Software Developer and Technical Lead

Lead technical delivery for an enterprise customs-compliance platform, owning design decisions from React front end through .NET services to PostgreSQL. Delivered end-to-end business modules, designed a rules engine, and improved performance and test coverage.

ReactC#.NETPostgreSQLEntity Framework CorexUnitMoqAzure Active DirectoryREST APIsGitHub Co PilotClaudeAgileJira

.NET Developer

Built a Windows Forms application in .NET and Oracle for exporting scientific experiments to PDF, replacing manual processes. Restructured legacy software, led Agile transition, and trained client teams on API usage.

WinFormsC#OracleGradleJavaAgileREST APIsDockerNodeJSJavaScriptSQL Server

Software Developer II, Migration Engineer

As lead developer, delivered 5+ modernization projects migrating legacy Visual Basic systems to ASP.NET and Windows Forms. Directed two Windows Forms projects end to end with direct client engagement.

ASP.NETVB to WinFormsC#GitHubTeam Foundation Server

Software Developer I, Migration Engineer

Delivered 4+ team-based migration projects on time, converting Visual Basic applications to C# and Windows Forms.

VB to WinFormsC#GitTeam Foundation Server

CEO of Production and IT

Founded and ran a National E-Sports League. Participated in a Latin congress about E-Sports in Mexico, representing Costa Rica.

Intern Developer, VBUC

Created a Web Application IDE on Angular 5 for a complete editing environment based on a new language created by the company.

Angular 5TypeScript

Precision Agriculture Project Developer

Reduced runtime of a Django image-processing application from 48 hours to 4 hours by restructuring the processing pipeline.

DjangoPython

Vice President

Served as Vice President of the student association for computer engineering students.