Sr. Backend Developer
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.Help us build something great.About the JobThe 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.What You'll Be DoingDesign and develop robust, scalable backend systems and RESTful APIs supporting the Projectmates web applicationOwn database architecture including stored procedures, views, triggers, functions, and schema design in Azure SQLLead performance tuning and optimization of backend services and database queriesCollaborate with frontend developers to define and implement API contracts that support a ReactJS-based UIParticipate actively in code reviews, enforcing best practices, security standards, and software craftsmanshipInvestigate and resolve complex system faults, identifying root causes and implementing permanent fixes rather than workaroundsContribute to architectural decisions — evaluating current system design and recommending improvements for scalability, reliability, and maintainabilitySupport third-party integrations and API connections with external platformsWrite comprehensive unit and integration tests and champion test-driven development practicesMentor other developers through code reviews and technical guidancePerform other duties and special projects as assignedDesired Skills & Experience5+ years of professional software development experience with a strong backend focusExpert-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 developmentProven experience designing and building RESTful APIs consumed by modern frontend frameworksSolid understanding of Azure cloud services — including App Services, Azure DevOps, and related infrastructureExperience with JavaScript and familiarity with ReactJS sufficient to collaborate effectively with frontend team membersStrong grasp of software architecture principles — separation of concerns, SOLID principles, design patternsExperience with third-party API integrations a strong plusExcellent problem-solving, communication, and collaboration skillsBachelor's degree in computer science, Software Engineering, or related field preferred; equivalent experience consideredWhere You'll Be WorkingThis is a hybrid full-time role based out of our Richardson, TX office. Tuesday & Thursday in office, Monday, Wednesday & Friday work from home.EEO StatementSystemates Inc. is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.