Motion Recruitment Partners, LLC
Motion Recruitment Partners, LLC

Senior Backend Developer / C#, ASP.NET, MySQL / Hollywood, FL

Hollywood, FL, US • Posted 2 hours ago • Updated 2 hours ago
Full Time
On-site
$150000 - $180000/yr
Company Branding Image
Fitment

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Job Details

Skills

  • Software Architecture
  • Product Engineering
  • Testing
  • Apache Velocity
  • C#
  • API
  • Dependency Injection
  • mvc
  • Web API
  • .NET
  • HTTP
  • JSON
  • SQL
  • React Bootstrap
  • Redis
  • RabbitMQ
  • Nginx
  • Git
  • Cloud Computing
  • Amazon Web Services
  • Google Cloud Platform
  • Google Cloud
  • Microsoft Azure
  • Collaboration
  • MySQL
  • Integration Testing
  • NUnit
  • Extraction
  • ASP.NET
  • Roadmaps
  • Communication
  • Database
  • Automated Testing

Summary

Job Description

A growing fintech company is seeking a Senior Backend Developer to help architect, build, and scale its core business platform. The company's primary in-house application is built on an ASP.NET 8 monolithic architecture backed by a MySQL database. This role will play an important part in developing new business functionality while helping modernize the existing platform through the gradual decomposition of legacy modules into independently deployable ASP.NET Core services.

The ideal candidate is a highly experienced C#/.NET backend developer with a strong background in scalable software architecture, API development, SQL performance, and automated testing. You will work closely with product, engineering, and business stakeholders to translate requirements into reliable software and help establish strong engineering practices across the codebase.
Required Skills & Experience
  • 6+ years of professional C# and ASP.NET development experience.
  • 5+ years of experience working with SQL databases.
  • Strong background building and maintaining large-scale, scalable software applications.
  • Experience defining service contracts, functional expectations, and testing boundaries.
  • Proven ability to introduce and expand automated testing practices in codebases with limited existing test coverage while maintaining development velocity.
  • Proficiency in:
    • C#
    • Backend API development
    • .NET Core 7+ (Dependency Injection, Configuration, and Logging)
    • ASP.NET Core, MVC, and WebAPI
    • Dapper and Json.NET
    • HTTP, REST, and JSON
    • SQL databases, particularly MySQL or MSSQL
Desired Skills & Experience
Familiarity with the following technologies and tools is beneficial:
  • React, Bootstrap, Tailwind, or another frontend framework
  • Redis
  • RabbitMQ
  • Nginx
  • Git
  • A major cloud provider such as AWS, Google Cloud Platform, or Azure
What You Will Be Doing Daily Responsibilities
  • Architect, build, maintain, and deploy new business features across the platform.
  • Collaborate with product and engineering teams in a team-oriented development environment.
  • Communicate directly with business stakeholders to understand requirements and translate them into technical solutions.
  • Write and maintain data access logic using Dapper and MySQL.
  • Optimize database queries and preserve or improve performance to meet established SLAs.
  • Introduce and maintain automated unit and integration test coverage using NUnit as a standard part of feature development and service extraction.
  • Analyze and refactor legacy modules within the existing platform into independently deployable and testable ASP.NET Core services.
  • Follow the established platform decomposition roadmap while maintaining the reliability of the existing monolith.
  • Define service contracts and communication patterns between newly extracted services and the remaining monolithic application during the transition.
The Opportunity
  • Join an established fintech company building and maintaining its own core business platform.
  • Contribute to new product functionality while helping modernize a large-scale application.
  • Have meaningful involvement in backend architecture, service decomposition, database performance, and engineering quality.
  • Help improve automated testing practices and establish maintainable development standards across the platform.
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
  • Dice Id: 10105282
  • Position Id: 894785
  • Posted 2 hours ago

Company Info

About Motion Recruitment Partners, LLC

Motion Recruitment delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery centers. Our high-touch, specialized, team-based recruitment model’s success is proven through our exemplary track record in filling the most challenging IT positions for startup and enterprise clients alike. Our hyper-specialized tech focus results in a truly consultative approach for both our clients and candidates, within our recruiting areas of expertise: Software, Mobile, Data, Infrastructure, Cybersecurity, Product + UX and Functional.

Motion also delivers IT Consulting Solutions through the Motion Consulting Group (MCG) that create true digital transformation for IT projects in Agile Development & Coaching, DevOps & DevSecOps Solutions, and Managed Services for IT Operations.

We’re also the proud creators of Tech in Motion and the Timmy Awards, our North American community platform, events series and award program that connects over 250,000 tech enthusiasts to meet, learn, and innovate.

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