Full Stack Engineer

Important Notice for Applicants (Please Read Before Applying)Before you submit your application, please read the following carefully:Location Requirement: You must reside in California (CA). Do not apply if you are outside of California.Work Authorization: This role is strictly open only to U.S. Citizens and Green Card holders. We cannot provide sponsorship or accept corporate transfers at this time.Zero-Fluff Interview Policy: We regularly see resumes claiming "10+ years of experience" from candidates who ultimately fail junior-level technical questions. Do not exaggerate your tenure.If your resume claims senior-level expertise, you will be expected to demonstrate it immediately.Our interview process is highly practical and designed to verify the depth of your actual hands-on skills.If you do not meet the location and citizenship criteria, or if you cannot independently back up what is on your resume with solid engineering logic, please respect your time and ours by not applying.If you meet these requirements and take extreme ownership of your work, we welcome your application.Work AuthorizationEligibility Requirement: Must be a U.S. Citizen or Permanent Resident.Visa Restriction: Not considering any other visa.Must be located in CA (Fresno Preferred)Pay: $45-$55/hourWe are looking for a .NET Full Stack Software Engineer with 7+ years of experience to build commercial-grade, highly maintainable software.This is a high-visibility role; you will work directly with a 20+ year tech veteran, moving rapidly from concept to production.Key ResponsibilitiesEnd-to-End Ownership: Manage the full feature lifecycle—from architecture and schema design to deployment and optimization.Architect for Scale: Design performant backend services using .NET Core and C# for our Legal-Tech and Project Management suites.Modernize & Refactor: Lead the evolution of our codebase, transitioning legacy patterns into modern, high-performance architectures.Build Seamless UIs: Develop responsive, "product-first" frontend experiences using Angular and TypeScript.Performance Engineering: Proactively optimize the stack (SQL, API latency, Redis caching) using Azure-native tools.Quality Autonomy: Own your testing strategy (Unit, Integration, TDD) to ensure stability at high velocity.Technical Mentorship: Act as a sounding board for the team through shared learning and rigorous code reviews.DevOps Integration: Refine Azure CI/CD pipelines and cloud infrastructure to keep deployment frictionlessTechnical RequirementsBackend Mastery: 7+ years of expertise in C#, .NET Core/MVC, and building robust Web APIs.Modern Frontend: Proficient in Angular (TypeScript). Familiarity with Vue.js or React is a significant plus.Data Architecture: High proficiency in MS SQL Server, including complex schema design and query optimization.Cloud & Infrastructure: Hands-on experience with Microsoft Azure (App Services, Functions, Service Bus) and containerization (Docker/Kubernetes).Tooling: Proficiency in Python for specialized scripting and a strong grasp of Git-based workflows.Preferred:Who Should ApplyThe "Founding-Mindset" Engineer: You want to build a business, not just a feature. You value learning the "how" and "why" of product strategy directly from a 20-year industry veteran.The Self-Starter: You thrive in ambiguity. If a process doesn't exist, you build it.The Lifelong Learner: You view "bootstrapped" as an opportunity to wear multiple hats—architect, developer, and product thinker.The Quality Obsessive: You write clean, maintainable code because you know you’ll be the one scaling it tomorrow.The Future Leader: You are looking for a path that leads to an Engineering Lead role as the company scales.Who This Is NOT ForPreference for Rigid Structure: If you need detailed, pre-written specs for every task, you won't be happy here.Discomfort with "Zero-to-One":This role is for those who enjoy building from scratch with minimal supervision.Silo Seekers: If you prefer the specialized, siloed roles of a large corporation over the broad impact and high visibility of a core product team, this isn't the right fit.Apply direct at jobs@spiresoft.co