Senior Software Engineer
FacilityOS10 days ago
USA (city not specified)Senior
Responsibilities
- Design, develop, review, and maintain backend web applications and services across the FacilityOS platform.
- Understand existing architecture, legacy components, integration points, and modernization opportunities.
- Make technical decisions aligned with architectural principles and delivery goals.
- Contribute to incremental legacy modernization efforts.
- Maintain code quality through code reviews, unit testing, static code analysis, and engineering standards.
- Troubleshoot and resolve application issues across staging and production environments through root-cause analysis.
- Collaborate with engineering leads, product stakeholders, and project managers on business operations and project delivery.
- Research and recommend application, automation, and architectural improvements.
Requirements
- At least 6 years of backend web application development experience with .NET Framework, .NET Core, and C#.
- Ability to understand complex legacy systems, identify integration points, and contribute with limited ramp-up time.
- Strong knowledge of object-oriented programming, design patterns, and clean architecture principles.
- Experience writing unit tests and applying quality-focused development practices.
- Experience designing and building RESTful services and cloud-native SaaS and PaaS applications.
- Experience with Azure or AWS, with Azure preferred.
- Solid knowledge of Microsoft SQL Server and T-SQL.
- Ability to make sound technical decisions and collaborate with engineering, architecture, and product stakeholders.
- Hands-on experience with event-driven architecture and microservices is a plus.
- Ability to self-manage priorities, work independently, and maintain strong attention to quality and detail.
Benefits
- Comprehensive health coverage.
- Hybrid work environment requiring office attendance three times per week.
- Opportunities for advancement and career growth.
- Catered events, snacks, and drinks.
- Birthday and life celebrations.
- Two annual company parties.
About FacilityOS
FacilityOS builds a modular B2B SaaS platform for facility, asset, contractor, logistics, and visitor management used by security, facilities, and compliance teams. Its interoperable modules—VisitorOS, EmergencyOS, ContractorOS, LogisticsOS, and SecurityOS—automate processes, enforce safety protocols, and help meet regulatory requirements across multi-site operations. The company is privately held and rebranded from SCLogic, serving organizations worldwide in facilities services and logistics.