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XeteX

Software Engineer - HVAC Systems

Coon Rapids, MN · On-site

... contractors to develop, revise, test, and maintain performance and sales selection tools • Write clean, modular, and maintainable code following software development best practices and lifecycle ...

ClifyX

Sr. Software Engineer - contractor

Carlsbad, CA

$127K - $167K/yr

Software Developer Design and implement software components based on specified requirements in a global team. Identify opportunities for different or new technologies & techniques, evaluate the best ...

System One

Software Engineer Sr - Contractor

Pittsburgh, PA

$114K - $150K/yr

Software Engineer Sr Provide locations: Pittsburgh, PA Length of Assignment: 6 months Roles and Responsibilities: • Modify existing software to correct errors, to adapt it to new hardware or to ...

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How much do software contractor jobs pay per year?

As of Jun 11, 2026, the average yearly pay for software contractor in the United States is $111,845.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,000.00 and $130,000.00 per year, depending on experience, location, and employer.

What is a Software Contractor job?

A Software Contractor is a self-employed or agency-hired professional who develops, maintains, or tests software for clients on a temporary or project basis. Unlike full-time employees, contractors typically work on short-term contracts and may serve multiple clients. They are responsible for delivering specific software solutions, often specializing in particular technologies or industries. Contractors must manage their own taxes, benefits, and job stability, but they have greater flexibility and earning potential.

What are the typical challenges faced by software contractors, and how can they be managed?

Software contractors often face challenges such as rapidly learning new codebases, adapting to diverse client expectations, and managing multiple projects or contracts concurrently. Success in this role requires effective communication to clarify requirements, strong organizational skills to prioritize tasks, and adaptability to integrate into different team cultures or workflows. Building a reliable professional network can also help overcome periods of inconsistent work. By proactively managing time, staying updated with industry trends, and clearly setting expectations with clients, software contractors can navigate these challenges and maintain a steady, rewarding career.

What are the key skills and qualifications needed to thrive in the Software Contractor position, and why are they important?

To thrive as a Software Contractor, you need strong programming skills, proficiency in software development methodologies, and the ability to independently manage projects, typically supported by a relevant degree or extensive experience. Familiarity with tools such as version control systems (e.g., Git), project management platforms, and possibly certifications like AWS Certified Developer or PMP is often expected. Excellent communication, problem-solving, and time management skills set top contractors apart, as these enable effective client interaction and project delivery. These abilities are crucial because software contractors must efficiently deliver high-quality solutions on deadline while adapting to varying client requirements and work environments.

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Software Engineer - HVAC Systems

Software Engineer - HVAC Systems

XeteX

Coon Rapids, MN • On-site

Full-time

Posted yesterday

Job description

About XeteX
At XeteX, our mission, vision, and values drive our company purpose: "Helping Buildings Breathe Better." By designing and manufacturing high-performing energy recovery ventilation and air handling solutions for industrial and commercial buildings, XeteX produces a better world for all of us.
XeteX was founded in 1984. In recent years, our Company has experienced unprecedented growth and has been recognized as an eight-time Inc. 5000 Honoree ranking as one of the fastest-growing private companies in America. Our headquarters are located in Coon Rapids, MN and our production facilities are based in Holmen, WI.
Xetex is teaming with innovation, expertise, and outstanding people. That is why we value our people as our greatest asset! Our employees lead through integrity, apply creativity and talent, invent innovative solutions to meet new demands, and offer effective services/products to be leaders in the industry. By adding your creativity, innovations, and contributions, you take pride in being a valued member of our growth and success.
Software Engineer - HVAC Systems
The Software Engineer has a strong mechanical aptitude and HVAC knowledge to support the development and enhancement of engineering selection and performance software tools. This role bridges software development and mechanical engineering by translating HVAC concepts such as airflow, heat transfer, psychrometrics, and system performance into accurate, scalable, and user-friendly applications. The ideal candidate will collaborate closely with engineering, product management, and application teams to develop tools that support equipment selection, product configuration, and system design.
Job Duties:
Software Development & Engineering Logic
• Translate mechanical engineering concepts including thermodynamics, heat transfer, fluid dynamics, and airflow into executable software logic
• Collaborate with internal engineering teams and external software contractors to develop, revise, test, and maintain performance and sales selection tools
• Write clean, modular, and maintainable code following software development best practices and lifecycle standards
• Participate in system testing, debugging, validation, and software performance optimization
• Maintain version control and contribute to software documentation and process improvements
HVAC & Mechanical Systems Integration
• Convert HVAC engineering principles such as psychrometrics, static pressure, fan performance, and coil calculations into reliable software calculations
• Interpret engineering specifications, submittals, and product performance data to support application development
• Validate engineering calculations related to:
o Handling Unit (AHU) selection
o Coil performance
o Fan curves and system pressure
• Support software updates related to new product lines, engineering changes, and feature enhancements
Cross-Functional Collaboration
• Work closely with:
o Mechanical Engineers
o Product Managers
o Sales and Application Engineers
• Gather and refine software requirements for new tools and feature enhancements
• Participate in product development discussions and design reviews
• Provide technical support and user training for engineering selection software
Testing & Validation
• Develop and execute unit tests and validation routines for engineering calculations
• Cross-check software outputs against manual engineering calculations and performance data
• Support quality assurance efforts and ensure compliance with internal standards
Continuous Improvement
• Identify opportunities to automate manual engineering workflows and improve usability
• Enhance software scalability, performance, and maintainability
• Stay current with emerging software frameworks, technologies, and development best practices
• Contribute to technical documentation, knowledge sharing, and continuous improvement initiatives
Preferred / Nice-to-Have Experience
• Experience developing web-based or cloud-hosted engineering applications
• Familiarity with data visualization tools for fan curves, psychrometric charts, or performance plotting
• Experience integrating with BIM platforms such as Revit
• Knowledge of API development and external system integrations
Requirements
Qualifications:
• Bachelor of Science in Computer Science, Software Engineering, Mechanical Engineering, or related technical field required
• Approximately 5 years of software development experience
• Strong mechanical aptitude and interest in HVAC systems required
• Experience with:
o C#
o .NET Framework / .NET Core
o HTML
o JavaScript
• Understanding of HVAC systems, thermodynamics, airflow, or related mechanical principles preferred
• Strong analytical, troubleshooting, and problem-solving skills
• Ability to work cross-functionally with engineering and technical teams
• Excellent communication and organizational skills
Equal Opportunity Employer
XeteX is an equal opportunity employer. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws.

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