Calculation Engine Developer

As a Calculation Engine Developer, you'll be responsible for:   

• Design, develop, and maintain state‑of‑the‑art calculation engines that support Carrier’s commercial HVAC product offerings and sales tools. 

• Apply expertise in heat transfer, thermodynamics, and numerical methods to develop accurate and reliable engineering algorithms. 

• Collaborate with optimization engineers to develop advanced algorithms that enable optimal system selection and performance predictions. 

• Work cross‑functionally with marketing, product engineering, and global teams to understand customer requirements and translate them into technical solutions. 

• Support the integration and deployment of calculation engines into Carrier’s modeling and configuration platforms. 

• Ensure model accuracy, robustness, scalability, and maintainability through validation, testing, and continuous improvement. 

• Drive resolution of complex technical challenges related to numerical stability, convergence, model accuracy, and computational performance  

• Define and enforce best practices for calculation engine development, including numerical methods, data structures, and integration patterns 

We are looking for people who are with deep knowledge and highly developed technical expertise. If this is you, get in touch. 

As a minimum you must have:

• Master’s degree or PhD in Thermal Engineering, Refrigeration and Air‑Conditioning, Fluid Machinery, or a related engineering discipline. 

• Minimum of 2+ years of relevant engineering experience with a Master’s degree (or equivalent experience with a PhD). 

• Strong foundational knowledge of:  

• Heat transfer 

• Thermodynamics 

• Numerical analysis 

• Nonlinear algebraic and differential equation systems 

• Hands‑on programming experience in one or more of the following: 
  Python, Modelica, C++ or related programming languages. 

• Engineering experience in design, analysis, or application of HVAC/R or power plant equipment. 

• Strong verbal and written communication skills. 

• Proven ability to collaborate effectively across functions and global teams. 

• Ability to work independently while thriving in a collaborative team environment. 

• Experience developing and maintaining software across multiple programming languages. 

• Experience leading or mentoring technical teams or delivering engineering tools/models to meet stakeholder requirements. 

• Familiarity with optimization techniques, simulation platforms, or product configuration systems.