Demo

Senior IT Developer

XTRA Lease
St. Louis, MO Full Time
POSTED ON 3/11/2026
AVAILABLE BEFORE 5/11/2026

Sr. IT Developer- Custom ERP & Applications

XTRA Lease is the leader in the truck-trailer rental industry in North America. We’re not truckers, but we’re proud to support the transportation industry. For more than 50 years, our team has focused on providing “the box” to trucking companies that supply manufacturing plants, grocery stores, and distribution centers with the products used in daily life. And as a subsidiary of Berkshire Hathaway, we have the financial backing to support our customers, and give our employees a level of stability that’s hard to beat.

We are seeking a Sr. IT Developer to join the team at our corporate headquarters in downtown Clayton, MO. XTRA Lease’s small team environment and focus on hard work, collaboration, and work-life balance are a great fit for professionals seeking their next career home. If you have strong technical skills, have proven experience with optimizing custom business ERP's and applications, and possess strong analytical, problem solving and interpersonal skills; this job could be a good fit for you.

What will the Sr. IT Developer be responsible for at XTRA Lease?

  • Maintain and support custom built technology solutions residing primarily on a Microsoft platform.
  • Recommend and support testing and changes required for platform upgrades to newer database, server or software releases.
  • Develop new applications or changes to existing applications to satisfy business needs, new initiatives, or resolve problems.
  • Support production releases for minor application enhancements. Produce application builds and conduct deployments.
  • Provide technical support for projects and we are working in conjunction with our 3rd Party technology partners.
  • Provide analysis and problem resolution for application configuration and software changes under the direction of the XTRA Lease Architect or Lead Solutions Developer.
  • Provide technical support for critical application B2B integrations with XTRA’s 3rd Party partners.

Skills & Experience needed:

  • 6-9 yrs experience as a developer of custom ERP or Business Applications on a Microsoft platform (Required)
  • Bachelor's degree in Computer Science, MIS, or related field (Required)
  • Able and willing to reliably commute to our corporate office in Clayton, MO (5 days/week onsite- required)
  • Development of web services, stored procedures, UI components, and batch code.
  • Development of Browser based, Smart Client and Batch service-based applications.
  • Experience with Microsoft Toolset and Development Standards.
  • Demonstrated ability to learn and apply new concepts.
  • Experience with scheduling software (i.e. Active Batch).
  • Experience with B2B data exchanges.
  • Understanding of application component architecture CI/CD fundamentals (Jenkins, Octopus Deploy, Nuget, etc.)

Programming Languages: Microsoft .NET Framework 4 , ASP.NET Core 6 , Angular 8 , TypeScript/Javascript, HTML/CSS, T-SQL (stored procedures and functions)

Databases: Microsoft SQL Server

Software: Visual Studio/Devops, Microsoft Office, SQL Server Management Studio, Git/GitHub, Active Batch

As a Sr. IT Developer with XTRA Lease, your efforts to understand, develop, and expand the ongoing effectiveness of XTRA’s custom applications and systems will play a key role in our mission; to provide top-of the line trailers and services that meet the needs and exceed expectations of our transportation customers nationwide.

Benefits:

If you are a regular full-time employee of XTRA, you are eligible to elect coverage under certain group benefit plans (medical, dental, vision, supplemental life, pre-paid legal plan, and health and dependent care (FSA) accounts). Your coverage under the group benefits begin on the 1st day of regular full-time employment. Employees are able to enroll in our company’s 401k plan. You will receive 13 days of PTO, sick leave, and enjoy 12 paid holidays throughout the calendar year. Our employees enjoy a 37.5 hour workweek with little to no evening or weekend requirement.

Visit xtralease.com/careers to learn more about why now is a great time to invest in a career with XTRA Lease!

Note: Positions with XTRA Lease are contingent upon HR approval of a pre-employment background screening, including but not limited to verification of candidates' employment and education history as outlined on a candidate's resume and prescreening questionnaire


Salary.com Estimation for Senior IT Developer in St. Louis, MO
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