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Full Stack.NET Engineer
Full Stack.NET EngineerLockNet • Nicholasville, KY, US
Full Stack.NET Engineer

Full Stack.NET Engineer

LockNet • Nicholasville, KY, US
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Overview

Join to apply for the Full Stack .NET Engineer role at LockNet

LockNet is seeking a seasoned Full Stack .NET Engineer to help modernize and transform our legacy system. This is a senior-level role designed for engineers who can deliver results with speed, precision, and autonomy. It requires a high degree of technical fluency, ownership, and the ability to execute effectively in high-pressure, fast-paced environments. We are assembling a fast-moving, high-performing engineering team where every team member owns the work and drives measurable impact.

What You'll Do

  • Rapidly gain fluency in a 2M+ line VB.NET codebase, helping evolve it for today's needs.
  • Build and enhance our C# middle layer using Entity Framework Core.
  • Design and implement full-feature solutions alongside our product owner.
  • Triage and resolve critical, high-stakes bugs.
  • Own integrations with third-party APIs (UPS, Vertex, FedEx, Twilio).
  • Collaborate with other high-performing developers to raise the bar for the platform.

The Tech Stack

  • VB.NET (legacy reverse engineering)
  • C# / ASP.NET Core / Razor MVC
  • Entity Framework Core
  • SQL Server
  • Azure DevOps, GitHub Copilot
  • 3rd-party APIs (UPS, Vertex, Twilio, FedEx, Azure)

    • Who You Are

    We're looking for someone operating at the top of their game—able to lead with both technical excellence and business awareness. This role requires more than skill; it requires a behavioral profile marked by :

  • High autonomy : you are assertive, self-driven, and energized by ownership. You take initiative and push projects forward.
  • Fast-paced drive : you thrive in fast-paced, ambiguous environments and value momentum. You adapt quickly and prefer action over perfection.
  • Maturity in craft and judgment with sharp technical skills and sound decision-making for high-impact work.
  • Ability to shift between deep technical problem-solving and real-time execution with urgency and precision.
  • Comfort operating in lean environments and solving business-critical issues under pressure.

    • Requirements

  • 8+ years of professional experience with full stack .NET development
  • Proficiency in both legacy systems and modern C# / EF Core patterns
  • Must be located within ~4 hours of Nicholasville, KY
  • Able to work Eastern Time Zone hours for real-time collaboration
  • Open to onsite team strategy sessions 1-2 times per year
  • Experience with legacy code migrations
  • Past success in high-urgency environments
  • Systems thinking and architecture-level insight

    • How We Work

    We treat AI as a force multiplier. You should too. We're not looking for someone who dabbles in code completion. We want someone who sees AI as a tactical and strategic coding partner to accelerate understanding, reduce grunt work, and boost output and clarity. You will use tools like ChatGPT and GitHub Copilot to help you architect, debug, refactor, and document. Our developers are expected to produce high-leverage output using AI, not to compete with it. We are a fast-moving, impact-driven team that prioritizes outcomes over process and values initiative and delivering working solutions that move the business forward.

    Success In This Role Looks Like

  • Navigating legacy systems and ambiguity without losing momentum
  • Taking ownership and delivering without rigid specs or long feedback cycles
  • Being adaptable as context shifts and priorities evolve with business need
  • Making pragmatic tradeoffs between ideal engineering and business needs now
  • Staying energized by complexity, growth, and problem-solving at speed

    • If you thrive with clarity of mission but flexibility in execution, you'll be in good company here.

    Why LockNet?

    If you're looking to raise the bar—not just meet it—LockNet is the place. We're a fast-growing company undergoing a major modernization initiative. Your ideas will be heard. Your code will ship. And your impact will be visible. Join us and help build the future—fast.

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    Engineer • Nicholasville, KY, US