Senior Dotnet Developer

Duration: Contract-to-Hire

Our client, a well-established, family-owned organization specializing in transportation, logistics, and rail services, is seeking a Lead .NET Developer/Architect to join their dynamic team. Known for its supportive, collaborative culture, and recognized as one of the best places to work in Chicago, this company offers an environment where individuals can thrive and grow. This opportunity is part of a team expansion driven by a high-priority initiative to design and build a new solution to replace an existing rail application.

This role requires strong technical expertise in .NET, C#, Angular, and related Microsoft technologies, along with experience using Azure Dev Ops (ADO) for pipelines, CI/CD, and release management. The ideal candidate will also bring solid architecture experience and be comfortable contributing to the planning and execution of a system rewrite.

We’re looking for someone with demonstrated leadership skills who can effectively translate complex technical concepts for non-technical stakeholders and serve as a key liaison between business and technology teams.

The ideal candidate will function as a Lead Developer / Architect, with strong hands‑on expertise in:

• Angular
• Modern AI‑assisted development tools (e.g., Cursor, Claude)

• Demonstrated ability to lead end‑to‑end solution design
• Translate complex business challenges into scalable, high‑performance architectures

• Expert‑level proficiency in Visual Studio and related tools
• Strong debugging, performance tuning, and workflow optimization skills

• Extensive experience with C# and .NET Core
• Deep understanding of SOLID principles, dependency injection, and domain‑driven design
• Ability to build modular, scalable, and maintainable systems
• Experience designing and managing cloud‑native solutions using Azure (App Services, Functions, Key Vault, Azure SQL, Dev Ops)
• Focus on security, scalability, and cost optimization

• Strong experience with Angular and modern front‑end frameworks
• Ability to design UI architecture and integrate complex APIs
• Focus on performance and user experience

• Strong background in relational database design and query optimization
• Experience with Entity Framework Core and enterprise data modeling

• Design, develop, test, and maintain software solutions aligned with business needs
• Contribute to architectural discussions and long‑term technology strategy
• Enhance and support existing applications
• Follow change management and deployment processes
• Apply development best practices and organizational standards
• Collaborate with QA, Project Managers, and Business Analysts to deliver high‑quality solutions

• Design and implement secure, scalable, high‑performance applications
• Lead projects or major modules from concept through delivery
• Provide technical leadership and influence architectural decisions
• Mentor and guide Junior and Mid‑Level Developers
• Conduct code reviews to ensure quality and adherence to best practices to maintain code quality and promote best practices.

• Medical Insurance - Four medical plans to choose from for you and your family
• Health Savings Account (HSA)
• Health and Dependent Care Flexible Spending Accounts
• Voluntary Life Insurance, Long‑Term & Short‑Term Disability Insurance
• Hospital Indemnity Insurance
• 401(k)
• Legal and Identity Protection Plans
• 529 College Saver Plan

Motion Recruitment Partners (MRP) is an Equal Opportunity Employer. All applicants must be currently authorized to work on a full‑time basis in the country for which they are applying, and no sponsorship is currently available. Employment is subject to the successful completion of a pre‑employment screening. Accommodation will be provided in all parts of the hiring process as required under MRP’s Employment Accommodation policy.

Applicants need to make their needs known in advance.