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# Senior Full Stack Engineer

- **Company:** SCL Holdings Inc.
- **Location:** Annapolis, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Multitier Architecture, Amazon Web Services, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Software as a Service, Cloud Engineering, Static Program Analysis, Code Review, Software Design Patterns, DevOps, Web Development, Microsoft SQL Server, Object-Oriented Software Development, Platform as a Service (PAAS), Software Architecture, Software Tools, Transact-SQL, TypeScript, Web Applications, .NET Core, Autoscaling, Backend, Event Driven Architecture, AngularJS, Restful APIs, Legacy Systems, Microservices
- **Published:** November 4, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-full-stack-engineer-annapolis-md--64a5e8ea-d80d-4249-8879-ff3875774190

## About the Role

Operations, Team Player, Autoscaling, Team Building, Problem Solving Skills, Team Lead/Manager, Architectural Services, Engineering, Audio Engineering, Internet Application, We are looking for a highly capable Sr. Full Stack Engineer who can ramp up quickly, collaborate effectively with the existing team, and begin contributing meaningful delivery outcomes within the first few weeks. This role is well suited for someone who is comfortable navigating legacy systems, applying strong architectural principles, and making thoughtful technical decisions that improve delivery throughput without compromising quality.

The ideal candidate brings strong backend engineering experience, sound judgment, and the ability to work independently while staying closely aligned with team standards and architectural direction., * Minimum of 6 years of proven experience in backend .NET Framework / .NET Core web application development using C#.

 * Minimum 5 years of experience developing web applications using Angular and Typescript
 * 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 stakeholders.
 * Hands-on experience with Event-Driven architecture is a plus
 * Hands-on experience with Microservices is a plus

## Description

* Design, develop, review, and maintain backend web applications and services across the FacilityOS platform.
 * Quickly develop a working understanding of existing platform architecture, legacy components, integration points, and modernization opportunities.
 * Collaborate with the engineering team to make sound technical decisions that align with established architectural principles and delivery goals.
 * Contribute to legacy modernization efforts using incremental, low-risk approaches such as the Strangler Fig pattern where appropriate.
 * Maintain high code-quality standards through code reviews, unit testing, static code analysis, and the adoption or improvement of engineering tools and standards.
 * Participate actively in peer code reviews, providing constructive feedback and helping promote maintainable, testable, and scalable solutions.
 * Troubleshoot and resolve application issues across environments, including staging and production, with a focus on root-cause analysis and sustainable fixes.
 * Work directly with engineering leads, product stakeholders, and project managers to support business operations and project delivery.
 * Research, evaluate, and recommend innovative application, automation, and architectural improvements that would benefit the FacilityOS platform.