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Senior .NET Engineer

Andrew Caperton · Greater Northern Virginia / DC Area

Based in Alexandria, Virginia. Open to Lead and Senior full-time roles, Northern Virginia, DC or remote. Contract is still a conversation if the work is a match.

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© 2026 Andrew Caperton. All rights reserved.
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© 2026 Andrew Caperton. All rights reserved.

Senior .NET Engineer | Sitecore · Azure · React

I build and migrate enterprise .NET C# solutions

.NET and Sitecore at the core, with 11 years of enterprise delivery and 8 years across XP, SXA, and XM Cloud. I have implemented and migrated CMS platforms, built custom .NET APIs, and shipped client-facing work for public-sector agencies, national associations, and commercial teams, including nearly four years leading modernization in-house at Marvin. I use an AI-agentic system I built myself, multi-agent workflows with automated quality gates, to keep that delivery consistent.

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Open to Lead / Senior full-time roles · Northern Virginia / remote · contract considered
11+ yrs enterprise platforms · 8 yrs Sitecore · DC-region public sector


Andrew Caperton Portfolio

What I Do

The platforms I have delivered on enterprise teams for more than a decade. This site is my live reference implementation project: Storyblok, Next.js, and Mantine, with ISR, preview, and automated tests. It is the same class of work as a client CMS rollout on a personal scale.

C# / .NET / SQL Server

I build enterprise platforms with C#, .NET, and SQL Server: secure, maintainable, and auditable systems that handle real traffic and real compliance requirements.

Azure, Vercel, CI/CD Pipelines

I deliver reliable builds and smooth deployments using modern cloud infrastructure, automated workflows, and performance monitoring.

Sitecore (XP, SXA, XM Cloud), Storyblok

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Storyblok Logo

I design structured content models that support flexible layouts, clear governance, and multi‑brand experiences without added complexity.

React, Next.js, TypeScript

NextJS Logo

I build scalable, component‑driven interfaces using modern frameworks that balance flexibility, performance, and long-term maintainability.

Optimization, Accessibility, Best Practices

I build with intention, focusing on clarity, accessibility, and measurable performance improvements across devices and platforms.

Agile Delivery, Clear Documentation

I work transparently with designers, PMs, and stakeholders, translating requirements into clean architecture and predictable outcomes.

Featured Work

Marvin.com


Marvin's senior software engineer for nearly 4 years, guiding enterprise modernization across multiple teams:

  • Premium Site Redesign + Enterprise Site Migration

  • Re-platform from Sitecore XM Cloud to composable Storyblok + Next.js

  • Integrations to include custom .NET API and Microservices development, Salesforce forms, Algolia Search, Azure CI/CD, Vercel functions, PostHog

  • Geo-driven dealer/product SPA with Google Maps API + Algolia + Salesforce


My work at Marvin

AgencyQ


From 2016 to 2022, I established myself in the DC region, engaging with clients in public sector agencies, national associations, and commercial enterprises. All projects centered around enterprise engineering with C#, .NET, and/or Sitecore:

  • Implementing and migrating CMS platforms for enterprise clients running on their own stacks, stakeholders, and quarterly deadlines

  • Sitecore, Kentico, Umbraco, Sitefinity, and bespoke Typescript and C# solutions

  • Early personalization builds with IBM Watson and Coveo, leveraging cutting edge AI at time, years ahead of the market

  • Relational database engineering to include projects for SQL and NoSQL


AutoSAM.io


Production-grade B2B compliance platform for defense supply chains. As the principal Engineer, I lead product development and implementation though advanced AI Augmented Engineering:

  • obligation extraction over FAR/DFARS/CFR

  • RAG pipeline, 90 feature modules, 2,000+ automated tests

  • Built solo in under a year

  • Pre-launch; not generally available to the public yet.


My AI engineering in action

How I Build with AI

AI Agentic Orchestration

The delivery system and development philosophy behind my AI Augmented Engineering. The "acoustic wave" approach with a deliberate wave of action with responses to feedback. What I automate, what I review by hand, and why:

  • multi-agent orchestration and selection protocols

  • context-budget protocol and systemic fan-outs

  • 8-point quality gate that runs before every commit

  • Ideate ➔ Research ➔ Plan ➔ Build ➔ Review ➔ Test

See how I build

Looking for a Lead/Senior .NET engineer?

Tell me about the role: .NET, Azure, CMS platforms, and integration-heavy delivery are the core of my work. I reply within one business day.

Your details go straight to my inbox and are never shared.

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Featured Articles

Selected writing on architecture, delivery workflows, and decisions from live projects. I write the way I work: specific, and tied to systems that shipped.

Technology

Engineer Opportunity: My Storyblok Reference Architecture

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Technology

Building AutoSAM: required to verify; no government lookup