Mid/Senior .NET Developer

Motion Recruitment; California (MO); Remote; USD 110,000 - 160,000; Full time

Job summary

Motion Recruitment is seeking a Mid-Senior .NET Developer for a fully remote role serving heavily regulated industries. The position supports a large-scale platform with .NET Core/C#, RESTful APIs, and cloud technologies across AWS and Google Cloud.

The role emphasizes architecture involvement, production support, and collaboration within an agile engineering team. Strong SOLID principles and design pattern knowledge are essential.

Qualifications

• 5+ years of professional software development experience.
• Strong experience with .NET Core and C#.
• Experience designing and building RESTful APIs.
• Strong SQL skills.
• Experience with PostgreSQL.
• Experience working with AWS and/or Google Cloud Platform.
• GitHub experience.
• Understanding of object-oriented design and development.
• Working knowledge of common design patterns.
• Strong understanding of SOLID principles.
• Experience working within Agile development teams.

Responsibilities

• Design, build, and maintain backend services.
• Develop scalable RESTful APIs.
• Integrate with internal and third-party platforms.
• Troubleshoot and resolve production issues.
• Participate in architecture and design discussions.
• Collaborate with cross-functional engineering teams.
• Contribute to software quality and performance improvements.

Skills

5+ years experience

.NET Core / C#

RESTful APIs

SQL

PostgreSQL

AWS

Google Cloud

GitHub

Object-oriented design

Design patterns

SOLID principles

Agile development

Tools

GitHub Actions

Job description

Mid-Senior .NET Developer A leading technology organization serving highly regulated industries is seeking a Mid-Senior .NET Developer to join its fully remote engineering team. This is a full-time direct hire opportunity open to candidates located in the Pacific, Mountain, or Central time zones. The environment leverages .NET Core, RESTful APIs, PostgreSQL, AWS, Google Cloud Platform, GitHub, and cloud-native development practices to support large-scale transactional platforms.
This opportunity is ideal for developers who enjoy building scalable backend applications and solving complex integration challenges. The team is expanding to support major platform initiatives and is seeking engineers who can contribute across architecture, development, deployment, and production support. Candidates will work within a collaborative engineering culture that values ownership, clean code, and modern software development practices.

Required Skills & Experience

• 5+ years of professional software development experience
• Strong experience with .NET Core and C#
• Experience designing and building RESTful APIs
• Strong SQL skills
• Experience with PostgreSQL
• Experience working with AWS and/or Google Cloud Platform
• GitHub experience
• Understanding of object-oriented design and development
• Working knowledge of common design patterns
• Strong understanding of SOLID principles
• Experience working within Agile development teams

Desired Skills & Experience

• Experience building high-volume API platforms
• Fintech, banking, lending, or financial services experience
• GitHub Actions experience
• Microservices architecture experience
• CI/CD pipeline experience
• Cloud-native application development experience

What You Will Be Doing

• Design, build, and maintain backend services
• Develop scalable RESTful APIs
• Integrate with internal and third-party platforms
• Troubleshoot and resolve production issues
• Participate in architecture and design discussions
• Collaborate with cross-functional engineering teams
• Contribute to software quality and performance improvements

Tech Breakdown

• 40% .NET Core / C#
• 25% API & Integration Development
• 15% Cloud Technologies (AWS/Google Cloud Platform)
• 10% SQL & PostgreSQL
• 10% CI/CD & Development Tooling

Daily Responsibilities

• 75% Hands-On Development
• 10% Technical Design & Architecture
• 15% Team Collaboration & Support

“Applicants must be currently authorized to work in the U.S. on a full-time basis now and in the future.”