Senior Software Engineer

Company: KeyPleaz Location: Remote (U.S. preferred) Reports to: CTO About KeyPleaz KeyPleaz is a property access and coordination platform that helps manage entry, scheduling, and logistics across real-world locations. We work with property managers, service providers, and partners to replace manual, fragmented processes with secure, reliable software. Think about it as Uber for Real Estate Agents. Our platform operates where digital systems meet physical access, which means quality, reliability, and thoughtful engineering matter. Role Overview We are seeking a Senior Software Engineer to help build, scale, and maintain the KeyPleaz platform. KeyPleaz began in 2019 and is in production today. This is a hands-on role for an experienced engineer who can own features end-to-end, contribute across the stack, and help guide technical decisions as the platform grows. We hire for ownership and execution. Technical competence is table stakes. What differentiates top performers on our team is personal ownership, disciplined execution, and proactive problem solving. We look for engineers who treat the product like their own business—who communicate clearly, move fast with accountability, and finish what they start. You will work closely with product, operations, and leadership to deliver stable, scalable solutions used daily by customers and partners. Responsibilities • Design, build, and maintain core platform features • Develop and support backend services using .NET • Contribute to web and mobile applications built with React • Build and consume APIs and integrate third-party services • Work with relational databases and ensure data integrity • Improve reliability, performance, and security across systems • Participate in code reviews, technical planning, and architecture discussions • Mentor and support other engineers as the team grows • Evaluate and apply AI tools (i.e. agentics, vibe coding - code generation, testing, monitoring, analytics) to improve development velocity, system reliability, and engineering effectiveness Qualifications • 7+ years of professional software engineering experience • Strong experience with .NET / ASP.NET backend development • Working knowledge of React or modern JavaScript frameworks • Experience designing and consuming APIs • Solid understanding of relational databases • Experience working in cloud environments • Familiarity with AI-enabled development tools and emerging AI services, with the ability to assess practical use cases and integrate them responsibly into production workflows • High ownership, sound judgment, and clear communication Nice to Have • Experience with mobile applications • Payments or third-party integrations • Startup or small-team experience • Comfort working in evolving, ambiguous environments Why KeyPleaz • Ownership of meaningful, real-world systems • Small team with direct access to leadership • Focus on building reliable software, not just shipping features • Opportunity to grow into senior technical leadership roles