Bo Holland

Full-Stack Developer | Mobile & Web Applications | U.S. Marine Corps Veteran

Talent

Saint GeorgeMember since August 19, 2026

C#.NET.NET MAUIXAMLJavaJavaScriptHTMLCSSSQLSupabasePostgreSQLFirebaseREST APIsAuthenticationRow-level securityTriggersReal-time dataReal-time messagingCI/CDiOSAndroid

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C#.NET.NET MAUIXAMLJava

About

Full-stack software developer and United States Marine Corps Sergeant with experience independently planning, building, testing, launching, and supporting production mobile and web applications. Strong in C#, .NET MAUI, XAML, Supabase/PostgreSQL, Firebase, REST APIs, Stripe, real-time systems, and cross-platform releases. Known for disciplined execution, clear documentation, rapid problem-solving, and full ownership from client discovery through deployment and ongoing support.

Built products used by more than 1,000 customers.

Experience

Software Developer at Tethered Technologies LLC & Independent Client Projects (2020 – Present)

Own the complete lifecycle for client applications, including discovery, requirements, architecture, estimates, scope, development, testing, deployment, and long-term support.
Build cross-platform mobile and web products using C#,.NET MAUI, XAML, JavaScript, HTML/CSS, Supabase/PostgreSQL, Firebase, REST APIs, and cloud-hosted services.
Create secure authentication, role-based access, real-time messaging and data updates, subscription access, payment flows, dashboards, and responsive interfaces.
Design database schemas, row-level security policies, triggers, server-side functions, and webhook workflows that keep user access and application state consistent.
Troubleshoot issues across UI, API, database, third-party integrations, mobile operating systems, CI/CD pipelines, and production environments.

Sergeant - Aircraft Rescue & Firefighting Specialist at United States Marine Corps

Led and coordinated Marines during emergency responses, training exercises, and readiness drills where clear roles, disciplined communication, accountability, and rapid decision-making were essential.
Managed personnel responsibilities, equipment readiness, mission execution, and detailed documentation in high-risk, time-sensitive environments.
Applied standard operating procedures and risk controls where reliability, precision, and calm execution were mission-critical.
Inspected and maintained specialized emergency vehicles, protective equipment, firefighting systems, and response tools; documented readiness and corrected deficiencies before operations.