Demo

Senior Application Developer

Trane Technologies
La Crosse, WI Full Time
POSTED ON 3/29/2026
AVAILABLE BEFORE 5/12/2026
At Trane TechnologiesTM and through our businesses including Trane® and Thermo King®, we create innovative climate solutions for buildings, homes, and transportation that challenge what’s possible for a sustainable world. We're a team that dares to look at the world's challenges and see impactful possibilities. We believe in a better future when we uplift others and enable our people to thrive at work and at home. We boldly go.

What’s In It For You

Be a part of our mission!  As a world leader in creating comfortable, sustainable, and efficient environments, it’s our responsibility to put the planet first. For us at Trane Technologies, sustainability is not just how we do business—it is our business. Do you dare to look at the world's challenges and see impactful possibilities? Do you want to contribute to making a better future? If the answer is yes, we invite you to consider joining us in boldly challenging what’s possible for a sustainable world. 

As part of the Trane® Design Assist™ Team, the Senior Application Developer will partner with business Product Owners, Trane Field Sales Organization, back office functional teams, and program sponsors to analyze, define, and implement applications to drive transformation for our users.

Trane® Design Assist™ is the newest web application from Trane that delivers high performing Building Automation System designs and documentation for commercial buildings. It supports multiple HVAC applications such as AHUs, Cooling Plant Systems, Heating Plant Systems, Dedicated Outdoor Air System, Chiller Heater System, Variable Air Volume Systems, VRF, and terminal units, and many more. This individual will provide IT leadership in the delivery of new user tools.

Thrive At Work And At Home

  • Benefits kick in on DAY ONE for you and your family, including health insurance and holistic wellness programs that include generous incentives – WE DARE TO CARE!
  • Family building benefits include fertility coverage and adoption/surrogacy assistance.
  • 401K match up to 6%, plus an additional 2% core contribution = up to 8% company contribution.
  • Paid time off, including in support of volunteer and parental leave needs.
  • Educational and training opportunities through company programs along with tuition assistance and student debt support.
  • Learn more about our benefits here!

Where Is The Work

From Monday to Thursday, work onsite with your colleagues. On Fridays, choose your work location, balancing what your work requires.

What You Will Do

  • Lead application enhancements, maintenance, and support for assigned systems, including security and accessibility
  • Partner with business users to evaluate, select, and implement vendor software
  • Understand business processes and requirements, translate them into application requirements, and develop and implement system solutions that improve efficiencies, maximize customer experience, and grow and retain business
  • Manage projects through all phases of software development life
  • Ensure on time, on budget, and on specification delivery of software solutions.
  • Interface with external vendor support service groups
  • Actively monitor and respond to technical hardware and software problems utilizing hardware and software testing tools and techniques as well as assist in managing overall system capacity.
  • Define system scope and objectives through research and fact-finding combined with an understanding of applicable business systems and industry requirements
  • Act as a subject matter expert for assigned systems
  • Communicate with business users within all levels of the organization
  • Provide 2nd level support/technical expertise to help desk support personnel
  • Work with geographically distributed team members, users, and customers
  • Manage risks associated with program implementation and developing risk mitigation strategies.
  • Works independently
  • Mentor new developers
  • Limited travel is required

What You Will Bring

  • Bachelor’s Degree in IT, CS, MIS or related technical field
  • 5 or more years of programming experience

Key Competencies

  • 5 or more years of experience with web development is required.
  • 5 or more years of experience with C#, or other object orientated language is required.
  • .NET Microservice Architecture
  • Experience in Database Management with SQL and NoSQL databases
  • Experience with GoJS, Angular, AWS and web services is a plus
  • Ability to work on multiple tasks simultaneously among changing priorities
  • Works well under pressure and can resolve complex problems
  • Willingness to learn new technologies and adaptable to work on new platforms
  • Works in a collaborative fashion, elevates team results over individual results
  • Effective communication skills, presenting, listening, and informing
  • Able to translate business needs into system requirements.
  • Project management, time management, planning, organizational and analytical skills are required.
  • Self-motivated, willing to take initiative, able to function effectively in independent and team-based situations.
  • Written and oral communication skills required with good interpersonal skills, able to express concepts and ideas with clarity.
  • Understanding of software development process.
  • Able to work on multiple projects at once and effectively prioritize tasks.

Compensation

Base Pay Range: $75,500 - $142,000

Disclaimer: We strive to provide competitive compensation for this position, tailored to a variety of factors. The actual compensation will depend on elements such as seniority, merit, geographic location, education, experience, travel requirements, and union designation. Our compensation range is generally based on the national average for the country. Additionally, benefits may vary depending on the region, business alignment, union involvement, and employee status.

Equal Employment Opportunity

We offer competitive compensation and comprehensive benefits and programs. We are an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, age, marital status, disability, status as a protected veteran, or any legally protected status.

Salary : $75,500 - $142,000

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