Lead Developer (Remote / Contract-to-Hire)

Eastern Engineering Supply is seeking a Lead Developer with strong full\-stack expertise to drive the design and delivery of scalable, secure, and high\-performing web applications. This is a **remote contract\-to\-hire opportunity**. The initial engagement may be structured as an independent contractor relationship, with the potential for transition to a regular employee position based on mutual agreement, business needs, and performance. The Lead Developer will combine hands\-on software development with architecture, technical problem\-solving, and collaboration across product and technology functions. This individual will play an important role in developing innovative software solutions that serve the construction industry. Our technology platform empowers construction professionals to centralize documents, streamline workflows, and bring transparency to every phase of a project. Proudly serving customers for over 50 years, Eastern Engineering Supply values collaboration, innovation, and integrity. With more than 65 employees across 9 locations in 5 states, Eastern Engineering continues to grow through its commitment to excellence and technology\-driven solutions. **Job Summary:** The Lead Developer will collaborate with the Director of Sales \& Technology and the Software Product Manager to translate product and business objectives into high\-quality software solutions. The successful candidate will be responsible for hands\-on full\-stack development, application architecture, system design, performance optimization, security, troubleshooting, and ongoing enhancement of web\-based applications. The ideal candidate is a research\- and innovation\-oriented developer who can work effectively across both new development and existing application support. The individual should be comfortable working in a team\-oriented environment as well as independently, communicating technical concepts clearly, solving complex problems, and collaborating with product, design, and technology stakeholders. **Responsibilities** * Develop and deployment of full\-stack web applications using C\#, ASP.NET Core, SQL, HTML, CSS, and TypeScript. * Contribute to architecture decisions, code reviews, and system design to ensure adherence to object\-oriented principles, SOLID design, and performance best practices. * Coding using AI\-assisted development tools including and not limited to Claude, Gemini, OpenAI, Ollama, Qwen. * Implement responsive, user\-friendly front\-end interfaces leveraging React, Tailwind, Storybook, and modern UI/UX design standards. * Ensure application and data security following principles such of least privilege and secure server practices. * Provide support for the day\-to\-day admin related activities of eComm and Planroom. * Optimize applications for performance, scalability, and maintainability. * Collaborate cross\-functionally with product management, UX/UI, QA, and infrastructure teams to deliver quality releases on schedule. * Maintain, troubleshoot, and enhance applications on Windows Server, IIS, and Microsoft SQL Server environments. * Utilize GIT for version control (branching, merging, and pull requests) to maintain smooth collaborative workflows. *Perform additional duties as assigned by management.* **Requirements:** * Bachelor’s degree in Computer Science, Information Systems, or a related field. * 2\-3 years of hands\-on project experience and professional software development experience with: \- **C\#**, including LINQ, async/await, and generics \- **ASP.NET Core** (or ASP.NET 4 \+ Core hybrid) \- **SQL databases**, including joins, keys, indexes, query optimization, and parameterized queries \- HTML, CSS, including responsive design \- TypeScript and JavaScript \- Git, including branches, merging, pull requests, and source\-control work flows \- Coding using AI models including Claude, OpenAI, Ollama, Qwen, and others * Strong understanding of object\-oriented programming, design patterns, SOLID principles, and the single responsibility principle. * Proficiency in or strong working knowledge of modern front\-end development and UI/UX principles. * Experience with React and familiarity with Tailwind CSS and Storybook. * Experience using AI\-assisted software development tools and the ability to effectively evaluate, test, modify, and validate AI\-generated code. * Knowledge of networking fundamentals, IP addressing, and server security practices. * Experience with dependency injection, middleware, Razor pages in ASP.NET Core. * Skilled in Visual Studio, SQL Server Management Studio, Windows Server, and IIS environments. * Strong analytical and problem\-solving skills. * Ability to work independently in a remote environment and manage competing priorities effectively. **Preferred Qualifications:** * Experience working with construction\-industry software, workflows, or technology platforms. * Demonstrated ability to balance hands\-on development with team leadership responsibilities. * Excellent communication and collaboration skills for cross\-functional coordination. * Strong attention to detail and adherence to coding standards. * Strategic problem\-solving mindset focused on scalable, maintainable solutions. **Remote / Contractor Requirements:** * Reliable high\-speed internet connection suitable for remote software development and collaboration. * Computer or laptop capable of supporting modern software development tools and environments. * Recommended minimum computer specifications: \- **8 GB RAM** \- **512 GB storage** \- **Intel Core i5 (12th generation or newer), AMD Ryzen 5 (5000 series or newer), or Apple M\-series processor** * Ability to participate in virtual meetings and collaborate effectively using remote communication and development tools. * Contractor is expected to maintain an appropriate, secure work environment for handling Company information and systems. **Contract\-to\-Hire Structure:** * This position may begin as an **independent contractor engagement** with the potential opportunity to transition to a regular employee position. * The initial contractor engagement, scope of services, compensation, term, deliverables, and other applicable terms will be established in a separate written agreement. * Any future transition to employee status is subject to mutual agreement, business needs, and the terms applicable at the time of conversion. **Equal Opportunity Statement:** * Eastern Engineering Supply is an Equal Opportunity Employer and provides equal consideration to qualified applicants and candidates without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or other status protected by applicable law. * Reasonable accommodations may be provided to qualified individuals with disabilities in accordance with applicable law. * **Background Check:** Final selection or engagement may be contingent upon successful completion of a background check in accordance with applicable federal, state, and local laws. Pay: $35\.00 \- $40\.00 per hour Expected hours: 30\.0 – 40\.0 per week Application Question(s): * Are you willing to undergo a background check, in accordance with local law and regulations? * Do you have at least 2 years' experience with C\#; ASP.NET Core; SQL databases? Education: * Bachelor's (Required) Language: * English (Required) Shift availability: * Day Shift (Required) Work Location: Remote