Senior .NET & React Engineer — FinTech Cloud

OTR Solutions; Roswell (NM); On-site; USD 100,000 - 150,000; Full time

Benefits offered by this job

Paid Certifications

Certification Bonus

Medical, Dental, Vision insurance

401(k) with Company Matching

Generous PTO

Volunteer Days

Job summary

OTR Solutions is seeking a Senior Software Developer in Roswell, NM, to build and evolve internal applications across the stack—C#/.NET on the backend and React on the frontend. This high-impact role supports operations, funding, and client-facing teams with scalable software.

You will own features end-to-end, mentor juniors, and collaborate with product owners to deliver real business value. 5+ years of experience and cloud expertise are required.

Qualifications

• 5+ years of professional software development experience.
• Strong proficiency in C# and the .NET ecosystem (.NET 6/8+, ASP.NET Core, Web APIs, Entity Framework).
• Strong proficiency in React and modern JavaScript/TypeScript.
• Solid SQL skills and experience with relational databases (SQL Server preferred).
• Experience designing and consuming RESTful APIs.

Responsibilities

• Design, build, and maintain internal web applications using C#/.NET (APIs, services, background jobs) and React (modern component-based UIs).
• Translate business and operational needs into well-scoped technical solutions.
• Own features end-to-end: architecture, implementation, testing, deployment, and support.
• Improve reliability, performance, and maintainability of existing systems.
• Write clean, testable code and participate in code reviews; raise the bar for engineering quality on the team.
• Mentor mid-level and junior developers.
• Collaborate with product owners, operations leaders, and other engineers to prioritize work that delivers the most business value.
• Help evolve our development practices — CI/CD, observability, and tooling.

Skills

C#

.NET

React

REST APIs

SQL

Communication

Cloud (Azure/AWS)

Tools

ASP.NET Core

Entity Framework

SQL Server

Azure

AWS

Job description

OTR Solutions is seeking a Senior Software Developer in Roswell, NM, to build and evolve internal applications across the stack—C#/.NET on the backend and React on the frontend. This high-impact role supports operations, funding, and client-facing teams with scalable software.

You will own features end-to-end, mentor juniors, and collaborate with product owners to deliver real business value. 5+ years of experience and cloud expertise are required.