Sr. Backend Developer

The Sr. Backend Developer is a senior individual contributor responsible for designing, building, and maintaining the server-side architecture that powers the Projectmates platform. You will own complex backend systems end-to-end - from database design and API development to performance optimization and cloud infrastructure - while serving as a technical mentor to other developers on the team. This position reports to the Development Manager., * Design and develop robust, scalable backend systems and RESTful APIs supporting the Projectmates web application

• Own database architecture including stored procedures, views, triggers, functions, and schema design in Azure SQL
• Lead performance tuning and optimization of backend services and database queries
• Collaborate with frontend developers to define and implement API contracts that support a ReactJS-based UI
• Participate actively in code reviews, enforcing best practices, security standards, and software craftsmanship
• Investigate and resolve complex system faults, identifying root causes and implementing permanent fixes rather than workarounds
• Contribute to architectural decisions - evaluating current system design and recommending improvements for scalability, reliability, and maintainability
• Support third-party integrations and API connections with external platforms
• Write comprehensive unit and integration tests and champion test-driven development practices
• Mentor other developers through code reviews and technical guidance
• Perform other duties and special projects as assigned

Do you have a Bachelor's degree?, * 5+ years of professional software development experience with a strong backend focus

• Expert-level proficiency in C# and the Microsoft .NET technology stack (.NET Core, ASP.NET)
• Deep experience with Azure SQL Server - query optimization, indexing strategies, and complex database object development
• Proven experience designing and building RESTful APIs consumed by modern frontend frameworks
• Solid understanding of Azure cloud services - including App Services, Azure DevOps, and related infrastructure
• Experience with JavaScript and familiarity with ReactJS sufficient to collaborate effectively with frontend team members
• Strong grasp of software architecture principles - separation of concerns, SOLID principles, design patterns
• Experience with third-party API integrations a strong plus
• Excellent problem-solving, communication, and collaboration skills
• Bachelor's degree in computer science, Software Engineering, or related field preferred; equivalent experience considered

Where You'll Be Working

This is a hybrid full-time role based out of our Richardson, TX office. Tuesday & Thursday in office, Monday, Wednesday & Friday work from home.

About Systemates Inc. From our corporate offices in DFW, Systemates is not-so-quietly plotting the construction industry on a course to a more tech-focused future. Our award-winning software, Projectmates, contains all of the functionality needed to unite and streamline complex construction project management processes. Put simply, Projectmates users are more efficient, more cost-effective, and better prepared for the changing construction landscape. Now, this is where you come in. We're searching for people who thrive in a small, growth-focused environment. You need to be passionate about helping customers solve problems and focused on self-improvement. Our talented and diverse team is working to take Systemates to the next level.