RSM US LLP

Temporary Senior Backend Lead Developer – Capital Markets Technology Transformation

RSM US LLP

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $60 - $90 per hour

Job Level

About the role

  • Provide hands-on technical leadership for a large-scale technology transformation
  • Shape modern backend architectures and guide engineering teams delivering high-performance, scalable, API-driven platforms
  • Define and implement secure, scalable, and resilient backend and API architectures
  • Translate business and functional requirements into technical designs, integration patterns, and reusable frameworks
  • Design and build API-driven services using RESTful and microservices patterns
  • Support modernization and legacy platform rewrite initiatives
  • Write high-quality, secure, and performant backend code using .NET, C#, and SQL Server
  • Integrate messaging and real-time platforms for event-driven architectures
  • Promote test-driven development and automated unit testing

Requirements

  • 10+ years of backend engineering experience using .NET and C# in enterprise environments
  • Strong experience building scalable RESTful APIs, microservices, and API documentation using Swagger/OpenAPI
  • Deep experience with SQL Server, Dapper ORM, JSON/XML, and performance tuning
  • Experience with distributed caching platforms such as Apache Ignite or MemSQL
  • Hands-on experience with messaging and event-driven architectures using Solace, SignalR, or similar technologies
  • Strong background in unit testing, TDD, and automated test pipelines using xUnit or NUnit
  • Practical experience with CI/CD pipelines, Jenkins, Helios, and Git-based workflows
  • Proven ability to lead development teams and communicate effectively with technical and non-technical stakeholders
  • Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience
Benefits
  • Flexibility in your schedule
  • Competitive benefits and compensation package
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
.NETC#SQL ServerRESTful APIsmicroservicesDapper ORMJSONXMLunit testingTDD
Soft Skills
technical leadershipcommunicationteam leadershipstakeholder engagement