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# Software Developer

- **Company:** OTR Solutions
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** ASP.NET, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Amazon Web Services, Automation of Tests, Microsoft Azure, Business Software, C Sharp (Programming Language), Cloud Computing, Code Review, Continuous Integration, Relational Databases, Entity Framework, Microsoft SQL Server, Queueing Systems, Standard Sql, Software Engineering, TypeScript, ReactJS, Event Driven Architecture, Restful APIs, Api Management, Web Api
- **Published:** September 4, 2026
- **Apply:** https://startup.jobs/net-senior-developer-otr-solutions-8789472

## About the Role

* 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
 * Experience building internal or line-of-business applications with real users and real stakes
 * Strong communication skills - able to work directly with non-technical stakeholders and translate
needs into software

 * Experience in fintech, logistics technology, or factoring is a plus
 * Cloud experience (Azure or AWS), message queues or event-driven architecture, CI/CD and automated testing, and third-party API integrations (payments, banking, credit data) are highly valued

## Description

We are seeking a Senior Software Developer to build and evolve the internal applications that keep OTR running. You'll work across the full stack - .NET services on the back end, React on the front end - building the tools our operations, funding, and client-facing teams depend on every day. This is a high-impact role: the software you ship directly enables the business to operate and scale. You'll partner closely with internal stakeholders to understand real workflows, then design and deliver solutions that
remove friction and unlock efficiency., * 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


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