{"schemaVersion":"jobsearcher.job.v1","id":"d88cafc3625b399bbd5a61b2","url":"https://jobsearcher.com/jobs/d88cafc3625b399bbd5a61b2","canonicalUrl":"https://jobsearcher.com/jobs/d88cafc3625b399bbd5a61b2","title":"Sr. Software Developer","description":"Why Join Our Team\nAt Lyles Services Co., a subsidiary of Lyles Construction Group, of we take pride in our employee and client-centric culture. Our employees and customers are at the forefront of everything we do and how we operate our business. Safety is our top priority and we work hard to ensure everyone goes home to their loved ones each day.\n\nWe are looking for ambitious individuals to join our team, who are passionate about their performance and who will continue to execute and believe in our core values of:\n\nTeamwork: We recognize our primary asset is our people. Mutual respect provides the foundation for our success.\nIntegrity: Our work is performed with high standards of service, quality, and integrity and because of this, we have had the privilege to lead some of the most innovative projects in California.\nCommitment: We understand that lasting relationships are the lifeline of our business so we pay personal attention to our clients by focusing on them as collaborative partners.\n\nIf you are looking for a company who will value you and provide you with great employee benefits, training and development opportunities, career growth and the opportunity to be a part of something bigger, then Lyles Services Co. is right for you!\n\nJob Purpose\nThis position is responsible for designing, developing, and maintaining enterprise software applications across the full technology stack. The Sr. Software Developer works within a small, high-impact technology team to build and evolve the internal platforms that power construction operations, project management, logistics, financial reporting, and AI-driven decision support systems. This role requires strong expertise in .NET backend development and modern JavaScript/TypeScript frontends, with a growing emphasis on integrating AI and large language model capabilities into business applications.\nEssential Duties and Responsibilities\nEssential duties and other responsibilities include, but are not limited to, the following:\nDesign, develop, and maintain backend APIs and services using .NET 9 and ASP.NET Core, following Clean Architecture and CQRS patterns with MediatR\nBuild modern, responsive frontends with Next.js, React, TypeScript, and Tailwind CSS using component libraries such as shadcn/ui and AG Grid Enterprise\nIntegrate AI and large language model capabilities into internal tools using Anthropic Claude, OpenAI, and emerging agent frameworks such as Microsoft Agent Framework\nDevelop and optimize SQL Server databases, writing performant queries, managing Entity Framework Core migrations, and leveraging Dapper for high-throughput data access\nModernize legacy systems by migrating older .NET and Angular codebases to current frameworks and architectures\nBuild and maintain CI/CD pipelines with GitHub Actions, deploying applications to Windows Server/IIS and Azure cloud infrastructure\nImplement and maintain background processing systems using Hangfire for scheduled jobs, queue processing, data synchronization, and automated notifications\nDesign and build reporting solutions using QuestPDF and ClosedXML, replacing legacy Crystal Reports and SSRS-based workflows\nIntegrate with external systems including Viewpoint Vista ERP, Microsoft Graph API, and Azure Active Directory (Entra ID)\nCollaborate with a small technology team to scope, architect, and deliver features end-to-end, from database schema through API design to user interface\nParticipate in code reviews, architectural discussions, and continuous improvement of development practices and tooling\nSupport and troubleshoot production applications, diagnose performance issues, and implement monitoring and logging solutions using NLog, Serilog, and related tools\n\nQualifications\nTo perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.\nRequired Education and Experience\n5+ years of professional software development experience (9+ years in lieu of a degree)\nStrong proficiency in C# and .NET (ASP.NET Core, Entity Framework Core, MediatR, dependency injection)\nExperience building frontend applications with React and TypeScript\nSolid SQL Server skills including query optimization, stored procedures, and schema design\nExperience with RESTful API design and authentication patterns (JWT, OAuth 2.0, Windows Authentication)\nProficiency with Git version control and CI/CD pipelines (GitHub Actions preferred)\nAbility to work across the full stack and take ownership of features from design through deployment\nStrong communication skills and comfort working in a small, collaborative team environment\nDesired Skills and Knowledge\nExperience with AI/LLM integration, working with APIs from Anthropic, OpenAI, or similar providers\nFamiliarity with agent-based architectures and multi-agent systems\nExperience with Clean Architecture, CQRS, and domain-driven design patterns\nExposure to Next.js, Dapper, Hangfire, QuestPDF, or AG Grid\nBackground in construction industry software, ERP integration, or Viewpoint Vista\nExperience with Node.js backend development using Fastify or Express\nFamiliarity with Azure services including Azure AD/Entra ID, Blob Storage, and Service Bus\nExperience with Prisma ORM, SQLite, or Playwright end-to-end testing\nKnowledge of Tailwind CSS, shadcn/ui, Radix UI, or similar modern component libraries\nCertificates, Licenses, Registrations\nA valid California Driver's License\nCompetencies\nTo perform this job successfully, an individual should demonstrate the following competencies:\nEffective Communication\nAnalytical Thinking\nResults Oriented\nCollaboration\nInitiative\nThoroughness\nTechnical Problem-Solving\nContinuous Learning\nPersonal Integrity\nPhysical Demands\nThe physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.\nWhile performing the duties of this job, the employee is regularly required to use hands to finger, handle, or feel; reach with hands and arms and talk or hear. The employee is occasionally required to stand and walk. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, depth perception and ability to adjust focus.\nWork Environment\nThe work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job.\nOffice - The noise level in the work environment is usually moderate.\n\nThe Company is an Affirmative Action and Equal Opportunity Employer/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Equal Employment Opportunity Posters if you’d like to view a copy of the company’s affirmative action plan or policy statement, please email HumanResources@lylessc.com. If you have a disability and you believe you need a reasonable accommodation in order to search for a job opening or to submit an online application, please e-mail HumanResources@lylessc.com or call toll-free 559-441-1900.\n\nThis email and phone number is created exclusively to assist disabled job seekers whose disability prevents them from being able to apply online. Only messages left for this purpose will be returned. Messages left for other purposes, such as following up on an application or technical issues not related to a disability, will not receive a response.\n\nNotice to Staffing Agencies\nThe Company will not accept unsolicited resumes from any source other than directly from candidates. Any unsolicited resumes sent to the Company, including via mailing address, fax machine, email, or directly to employees, will be considered the property of the Company. The Company will not pay any fee for placements resulting from unsolicited resumes. The Company will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees.\n\nAgencies must receive advance written approval from the Company’s recruiting representative before submitting resumes, and only in conjunction with a valid, fully executed contract for service and in response to a specific job opening. The Company will not pay fees to any Agency without such an agreement in place. Agency agreements must be in writing and signed by the Human Resources Representative or their designee; no other Company employee is authorized to enter into agreements regarding candidate placements on behalf of the Company. Please send any questions or concern to HumanResources@lylessc.com.","company":"Lyles Services","rawCompany":"lyles services","city":"Fresno","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-07-27T13:39:49.117Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Sr. Software Developer","description":"Why Join Our Team\nAt Lyles Services Co., a subsidiary of Lyles Construction Group, of we take pride in our employee and client-centric culture. Our employees and customers are at the forefront of everything we do and how we operate our business. Safety is our top priority and we work hard to ensure everyone goes home to their loved ones each day.\n\nWe are looking for ambitious individuals to join our team, who are passionate about their performance and who will continue to execute and believe in our core values of:\n\nTeamwork: We recognize our primary asset is our people. Mutual respect provides the foundation for our success.\nIntegrity: Our work is performed with high standards of service, quality, and integrity and because of this, we have had the privilege to lead some of the most innovative projects in California.\nCommitment: We understand that lasting relationships are the lifeline of our business so we pay personal attention to our clients by focusing on them as collaborative partners.\n\nIf you are looking for a company who will value you and provide you with great employee benefits, training and development opportunities, career growth and the opportunity to be a part of something bigger, then Lyles Services Co. is right for you!\n\nJob Purpose\nThis position is responsible for designing, developing, and maintaining enterprise software applications across the full technology stack. The Sr. Software Developer works within a small, high-impact technology team to build and evolve the internal platforms that power construction operations, project management, logistics, financial reporting, and AI-driven decision support systems. This role requires strong expertise in .NET backend development and modern JavaScript/TypeScript frontends, with a growing emphasis on integrating AI and large language model capabilities into business applications.\nEssential Duties and Responsibilities\nEssential duties and other responsibilities include, but are not limited to, the following:\nDesign, develop, and maintain backend APIs and services using .NET 9 and ASP.NET Core, following Clean Architecture and CQRS patterns with MediatR\nBuild modern, responsive frontends with Next.js, React, TypeScript, and Tailwind CSS using component libraries such as shadcn/ui and AG Grid Enterprise\nIntegrate AI and large language model capabilities into internal tools using Anthropic Claude, OpenAI, and emerging agent frameworks such as Microsoft Agent Framework\nDevelop and optimize SQL Server databases, writing performant queries, managing Entity Framework Core migrations, and leveraging Dapper for high-throughput data access\nModernize legacy systems by migrating older .NET and Angular codebases to current frameworks and architectures\nBuild and maintain CI/CD pipelines with GitHub Actions, deploying applications to Windows Server/IIS and Azure cloud infrastructure\nImplement and maintain background processing systems using Hangfire for scheduled jobs, queue processing, data synchronization, and automated notifications\nDesign and build reporting solutions using QuestPDF and ClosedXML, replacing legacy Crystal Reports and SSRS-based workflows\nIntegrate with external systems including Viewpoint Vista ERP, Microsoft Graph API, and Azure Active Directory (Entra ID)\nCollaborate with a small technology team to scope, architect, and deliver features end-to-end, from database schema through API design to user interface\nParticipate in code reviews, architectural discussions, and continuous improvement of development practices and tooling\nSupport and troubleshoot production applications, diagnose performance issues, and implement monitoring and logging solutions using NLog, Serilog, and related tools\n\nQualifications\nTo perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.\nRequired Education and Experience\n5+ years of professional software development experience (9+ years in lieu of a degree)\nStrong proficiency in C# and .NET (ASP.NET Core, Entity Framework Core, MediatR, dependency injection)\nExperience building frontend applications with React and TypeScript\nSolid SQL Server skills including query optimization, stored procedures, and schema design\nExperience with RESTful API design and authentication patterns (JWT, OAuth 2.0, Windows Authentication)\nProficiency with Git version control and CI/CD pipelines (GitHub Actions preferred)\nAbility to work across the full stack and take ownership of features from design through deployment\nStrong communication skills and comfort working in a small, collaborative team environment\nDesired Skills and Knowledge\nExperience with AI/LLM integration, working with APIs from Anthropic, OpenAI, or similar providers\nFamiliarity with agent-based architectures and multi-agent systems\nExperience with Clean Architecture, CQRS, and domain-driven design patterns\nExposure to Next.js, Dapper, Hangfire, QuestPDF, or AG Grid\nBackground in construction industry software, ERP integration, or Viewpoint Vista\nExperience with Node.js backend development using Fastify or Express\nFamiliarity with Azure services including Azure AD/Entra ID, Blob Storage, and Service Bus\nExperience with Prisma ORM, SQLite, or Playwright end-to-end testing\nKnowledge of Tailwind CSS, shadcn/ui, Radix UI, or similar modern component libraries\nCertificates, Licenses, Registrations\nA valid California Driver's License\nCompetencies\nTo perform this job successfully, an individual should demonstrate the following competencies:\nEffective Communication\nAnalytical Thinking\nResults Oriented\nCollaboration\nInitiative\nThoroughness\nTechnical Problem-Solving\nContinuous Learning\nPersonal Integrity\nPhysical Demands\nThe physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.\nWhile performing the duties of this job, the employee is regularly required to use hands to finger, handle, or feel; reach with hands and arms and talk or hear. The employee is occasionally required to stand and walk. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, depth perception and ability to adjust focus.\nWork Environment\nThe work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job.\nOffice - The noise level in the work environment is usually moderate.\n\nThe Company is an Affirmative Action and Equal Opportunity Employer/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Equal Employment Opportunity Posters if you’d like to view a copy of the company’s affirmative action plan or policy statement, please email HumanResources@lylessc.com. If you have a disability and you believe you need a reasonable accommodation in order to search for a job opening or to submit an online application, please e-mail HumanResources@lylessc.com or call toll-free 559-441-1900.\n\nThis email and phone number is created exclusively to assist disabled job seekers whose disability prevents them from being able to apply online. Only messages left for this purpose will be returned. Messages left for other purposes, such as following up on an application or technical issues not related to a disability, will not receive a response.\n\nNotice to Staffing Agencies\nThe Company will not accept unsolicited resumes from any source other than directly from candidates. Any unsolicited resumes sent to the Company, including via mailing address, fax machine, email, or directly to employees, will be considered the property of the Company. The Company will not pay any fee for placements resulting from unsolicited resumes. The Company will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees.\n\nAgencies must receive advance written approval from the Company’s recruiting representative before submitting resumes, and only in conjunction with a valid, fully executed contract for service and in response to a specific job opening. The Company will not pay fees to any Agency without such an agreement in place. Agency agreements must be in writing and signed by the Human Resources Representative or their designee; no other Company employee is authorized to enter into agreements regarding candidate placements on behalf of the Company. Please send any questions or concern to HumanResources@lylessc.com.","datePosted":"2026-07-27T13:39:49.117Z","dateModified":"2026-07-27T13:39:49.117Z","hiringOrganization":{"@type":"Organization","name":"Lyles Services","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Fresno","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d88cafc3625b399bbd5a61b2"},"url":"https://jobsearcher.com/jobs/d88cafc3625b399bbd5a61b2"}}