Market pay estimate
$195,780–$242,838 / year for comparable Senior Software Engineer roles in United States. Estimated from 443 similar postings (high confidence) — not stated by the employer.
Role overview
Job description
About FacilityOS FacilityOS is a fast-growing company redefining how facilities operate—bringing safety, security, and daily operations into one unified platform used by organizations around the world. As we continue to scale globally, we’re building a team of driven, curious people who want to make an impact. You’ll be part of a dynamic, collaborative culture where individuals are trusted to take ownership, solve meaningful problems, and grow in their careers. Our team comes together in-office twice a week to connect, collaborate, and build momentum. If you’re looking to do your best work alongside a great team in a high-growth environment, FacilityOS is the place to build your career. About the Role: We are looking for a highly capable Sr. Back-End Engineer who can ramp up quickly, collaborate effectively with the existing team, and begin contributing meaningful delivery outcomes withi
…About this listing
- Source: FacilityOS's official careers site (via Ashby) · last confirmed on the source 3 Nov 2026
- Posted 2 Nov 2026
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What they are looking for
Skills & requirements
Qualification
Minimum of 6 years of proven experience in backend .NET Framework / .NET Core web application development using C#. Proven ability to quickly understand complex legacy systems, identify key integration points, and contribute effectively with limited ramp-up time. Strong experience using object-oriented programming, design patterns, and clean architecture principles to build maintainable, testable software. Proven experience writing unit tests and applying quality-focused development practices. Proven experience designing and building RESTful services. Experience in designing and building cloud-native SaaS and PaaS applications (Azure / AWS). Azure cloud experience will be preferred Solid knowledge of Microsoft SQL Server and T-SQL. Ability to make sound technical decisions in collaboration with existing engineering teams. Proactive, curious, and investigative mindset with strong attention to quality and detail. Passion for technology, continuous improvement, and modern engineering practices. Ability to self-manage priorities and deliver outcomes with minimal supervision. Strong team-player attitude with the ability to collaborate across engineering, architecture, and product stakeh
Department · Tech
Hiring company
FacilityOS
FacilityOS is the leading visitor & facility management platform, trusted by global enterprises to optimize key facility processes for compliance, safety, & security.
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