Rock RMS Full-Stack Developer: Custom Blocks & Integrations

Cornerstone Chapel; Leesburg (VA); On-site; USD 95,000 - 130,000; Full time

Job summary

Cornerstone Chapel in Leesburg, VA is seeking a Full-Stack Developer with a focus on the Rock RMS platform. The role leads technical management and customization of the church management system, translating ministry needs into practical software solutions for staff and congregants, and delivering tasks with excellence.

The ideal candidate will have a Bachelor’s degree in CS or IT, 3–5 years of full-stack development experience, and strong skills in C#, .NET, SQL Server, HTML/CSS/JS, and REST

Qualifications

• Bachelor’s degree in computer science or IT related field required.
• 3–5 years of experience developing, testing, and deploying scalable full-stack applications in a collaborative development environment.
• Experience with on-premise hosting and management (Proxmox/virtualization, CEPH, virtual routing/switching) preferred.
• Experience with REST APIs preferred.

Responsibilities

• Design, develop, and maintain custom Rock RMS blocks, attributes, and plugins using C# and .NET.
• Database management: write and optimize complex SQL queries and stored procedures for data integrity and high-performance reporting.
• Workflow automation: build and refine advanced Rock workflows to automate administrative tasks and enhance member engagement.
• Integration: manage and develop API integrations between Rock RMS and third-party software.
• UI/UX optimization: customize the Rock interface and portals using HTML, CSS, and JavaScript.

Skills

Communication

Customer service

Multitasking

Independent work

Technical reading

Education

Bachelor’s degree in computer science or IT related field

Tools

Proxmox/virtualization

CEPH

REST APIs

Git

SQL Server

HTML/CSS/JS

Job description

Cornerstone Chapel in Leesburg, VA is seeking a Full-Stack Developer with a focus on the Rock RMS platform. The role leads technical management and customization of the church management system, translating ministry needs into practical software solutions for staff and congregants, and delivering tasks with excellence.

The ideal candidate will have a Bachelor’s degree in CS or IT, 3–5 years of full-stack development experience, and strong skills in C#, .NET, SQL Server, HTML/CSS/JS, and REST