Job Details

Overview

This role supports modernization of the OneSite Property Management platform, focusing on technical debt reduction, migration away from legacy SOAP services, and enhancements that ensure long-term platform stability.

Responsibilities

As a Developer II on OneSite, you will work across development, testing, and deployment activities to modernize legacy components, enhance RESTful APIs, and replace SOAP-based services. OneSite is a core enterprise-grade production system within RealPage's ecosystem. You will operate in a fast-paced environment, addressing blockers that limit adoption of New OneSite and reducing technical debt in mission-critical areas. You are expected to use AI coding assistants with intermediate fluency to improve velocity and quality while ensuring results meet enterprise standards.

Primary Responsibilities:

• Develop secure, reliable C#/.NET services aligned with platform standards.
• Participate in technical analysis, design, delivery, and modernization initiatives across the OneSite stack.
• Modernize legacy services, including SOAP→REST transitions using consistent versioning, pagination, error models, and authentication patterns.
• Address adoption blockers between Classic and New OneSite as part of a fast-paced rapid-response workflow.
• Write and maintain SQL (stored procedures, UDFs, inline SQL) in a large SQL Server 2019 environment.
• Use AI coding assistants for development acceleration, refactoring, documentation, and test generation; ensure outputs meet security and correctness standards.
• Collaborate with QA, PM, BA, and peer developers; participate in design and code reviews.

Qualifications

Required Skills/Knowledge/Abilities:

• 2-5 years software development experience.
• Hands-on experience with C#, .NET Framework (4/4.5/4.7.2), ASP.NET MVC/Web API.
• Strong understanding of REST API design, documentation (Swagger), versioning, pagination, and error handling.
• Strong T-SQL experience (stored procedures, UDFs, inline SQL) in SQL Server 2019.
• Experience with TFS (source control) and Azure DevOps (work tracking).
• Intermediate AI fluency with AI coding assistants.
• Frontend optional: familiarity with AngularJS/Angular is a plus.
• Strong communication, adaptability, curiosity, ownership mindset, and ability to ask for help when needed.

Security & Observability:

Familiarity with SAST scanning, DAST rollout, and ELK-based telemetry.

Tech Stack:

Classic: HTML/JavaScript/jQuery/VBScript .ASP, iFrames; SOAP/.NET Web Methods; .NET Framework 4/4.5.

New OneSite: AngularJS, Angular, .NET Framework 4.7.2; REST APIs with Swagger; SQL Server 2019; TFS; Azure DevOps; ELK.

Pay Range

USD $85,800.00 - USD $146,200.00 /Yr.