Job Title: .NET Senior Developer

Business Unit: Hrvyst Product Team

Location: Chicago/ Remote in Central or Eastern Time Zone

Reports To: Chief Technical Officer of Hrvyst

Position Type: Contract

Position Summary:

R.J. O’Brien is looking for an experienced .NET (C#) developer to work as part of a cross-functional agile team developing a commodity trading platform. As part of the Hrvyst Team, a stand-alone business unit with an exclusive focus on R.J.O’Brien’s Commercial Agriculture clients, the developer will have direct interaction with business and technical stakeholders. They will be responsible for crafting solutions that integrate with existing and new application and operational architectures as well as producing well-tested and successful business solutions. RJO’s application portfolio includes a wide range of components from order entry systems, an order management system, exchange-facing adapters, market data processors, risk systems, and web-based portal and mobile applications. The Hrvyst product suite leverages a number of these services to create a unique offering in the grain commodities space.

Schedule

8-hour shift, Mon-Friday
40 per week

Duration

1 year with the potenial to be extendable

Duties & Responsibilities

Responsibilities include but are not limited to:

Develop technical and functional requirements for new applications as part of an agile software team in support of our trading platform

Design, develop, and deliver new web-based applications with a focus on system scalability
Provide architectural guidance for high-level system components, including data-intensive web applications and distributed event processing frameworks
Ensure solutions meet performance requirements
Identifying ways to improve designs and solutions using industry-standard techniques
Advocate for modern development practices within the development team
Collaborate with business analysts, quality assurance testers, and fellow developers throughout the SDLC
Act as a technical leader and advocate for developer ownership on the team

Qualifications:

8+ years of relevant professional experience in a similar role
Bachelor’s Degree or significant relevant industry experience
Solid and current development experience with C#, associated frameworks like .NET Framework (8+), .NET Core, ASP.Net) and API experience with WEB API, or Web services
Strong understanding of web development, including REST and WebSockets
Experience building and managing CI/CD pipelines
Proficiency in authentication systems and experience managing them is highly desirable. Familiarity with Microsoft Entra and Single Sign-On (SSO) is preferred
Experience with automated testing frameworks, code coverage tools, and continuous integration products
Strong understanding of Dependency Injection and OO patterns
Database experience, ideally Microsoft SQL Server
Experience with building and debugging multithreaded applications along with mastery of .NET synchronization primitives is preferred
Experience with the Azure platform is a plus

It is the policy of RJO Technology, LLC to ensure equal employment opportunity without discrimination or harassment on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, age, disability, marital status, citizenship, genetic information, or any other characteristic protected by law.

Compensation Package:

Salary Range: a reasonable estimate for this position is $90.00 to $120.00 per hour. This salary range complies with state transparency laws and reflects variations based on experience, qualifications, and geographical location. Final salary will be determined based on experience, expertise, and office location.

Search Firm Representatives please read carefully:

R.J. O’Brien & Associates, LLC (RJO) is not seeking assistance or accepting unsolicited resumes from search firms for this employment opportunity. All resumes submitted by search firms to any employee at RJO via-email, the Internet or directly to hiring managers at RJO in any form without a valid written search agreement in place for this position will be deemed the sole property of RJO, and no fee will be paid in the event the candidate is hired as a result of the referral or through other means.

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