Job Overview

Devonshire Recruiting & Consulting Partners is actively seeking a Senior Software Developer with deep expertise in the Microsoft .NET Framework (4.8), C#, and Windows-based desktop application development. This position is ideal for experienced engineers who thrive in data-heavy environments and are passionate about writing efficient, maintainable code with a focus on clean architecture, robust performance, and graphical precision. The role may be performed remotely (U.S.-based) or from a location near Boston’s North Shore.

This is an excellent opportunity for an engineer who prefers mastering a proven technology stack, enjoys working on long-lifecycle products, and wants to play a critical role in the ongoing cloud optimization and long-term architectural transition of a legacy application.

Key Responsibilities

• Maintain and refine a production-grade WinForms application built on .NET Framework 4.8.
• Enhance system performance, reliability, and scalability in coordination with AWS-hosted SQL environments and supporting cloud services.
• Ensure secure data handling aligned with GDPR standards and implement modern authentication frameworks (e.g., OAuth2, SAML).
• Contribute to the design and rollout of a strategic migration from a legacy desktop platform to a future web-based solution.
• Support the design of a CI/CD pipeline to increase deployment efficiency and testing rigor.
• Collaborate on experimental product enhancements and A/B testing initiatives to inform UX simplification.
• Identify and implement modular code patterns for functionality reuse across multiple user personas.
• Collaborate with stakeholders and subject matter experts to support the development of complex data-driven and mathematical features.
• Utilize AI-enhanced tooling where applicable to accelerate quality software delivery.

Required Qualifications

• Minimum of 5 years’ professional experience in software engineering with a focus on C# and .NET Framework development.
• Strong hands-on experience developing WinForms applications in Visual Studio.
• Proficient in SQL Server performance tuning and schema design, particularly in AWS-based deployments.
• Familiarity with compliance standards (GDPR) and security best practices in software development environments.
• Experience integrating modern authentication mechanisms such as OAuth2, OpenID Connect, and SAML.
• Skilled in designing scalable and maintainable software systems with long-term roadmaps and migration considerations.
• Exposure to CI/CD practices; experience with tools such as Azure DevOps, GitHub Actions, or similar is preferred.
• Strong analytical skills with the ability to translate complex data sets into clear graphical output.
• Comfortable working in an iterative development environment with quarterly releases and regular patching cycles.
• Effective communicator with the ability to interface with technical leads, product owners, and business users.

Experience Required: Mid-Career – Senior