Senior C# Engineer
REMOTE, EST hours Contract to hire Our client is seeking a Senior Full Stack Software Engineer to play a critical, hands-on leadership role in designing, building, and scaling software solutions across a multi-platform environment. This individual will act as a technical problem solver, architect, and mentor, helping drive development standards and decision-making across the team. This is a high-impact role where you will balance hands-on development (50%) with technical leadership (50%), helping guide junior developers, streamline processes, and build scalable solutions.
Responsibilities
Design, develop, and maintain full stack applications across multiple platforms Take ownership of technical challenges and proactively drive solutions Build and design APIs, system integrations, and scalable architectures Lead code reviews, pull requests, and enforce development best practices Mentor and coach junior staff, providing guidance and code review Help define technical roadmaps and break down work into actionable development tasks Collaborate with leadership to translate business needs into technical solutions Support both new feature development and ongoing maintenance of existing systems Contribute to modernizing legacy applications and migrating older systems Improve efficiency by reducing unnecessary process overhead and enabling quicker decision-making Required Qualifications 5+ years of experience in full stack software development Strong proficiency in C#/.NET and relational databases (SQL) Experience building and consuming APIs and working across distributed systems Demonstrated ability to independently solve complex technical problems Experience contributing to architecture and system design decisions Ability to balance hands-on coding with leadership responsibilities
Preferred Qualifications
Experience with modern frontend frameworks (Vue.js, React, or similar) Familiarity with containerization (Docker) and cloud environments Experience working with legacy systems and modernization efforts Exposure to AI tools, LLMs, or developer productivity tooling Prior experience mentoring or leading developers