Senior C#/.NET Softwareentwickler (m/w/d)

As a world leader in creating comfortable, sustainable, and efficient climate solutions for buildings, homes and transportation, it's our responsibility to put the planet first. For us at Trane Technologies , and through our businesses including Trane® and Thermo King , sustainability is not just how we do business—it is our business. Learn about our benefits designed for you to Thrive at work and at home. Our BrainBox AI Workplace Presence model dedicates specific in-office days each month to focus on relationships, learning and innovation. A sustainable future demands ongoing digital advancement. Our digital solutions team leads the way in developing next-generation climate technology focused on reducing demand-side energy consumption and emissions. Our team—including BrainBox AI, Nuvolo, and more—combines technical expertise with advanced analytics to create data-driven solutions that add real value for customers, communities, and the planet. Whether you're advancing AI in HVAC or driving analytics for greater efficiency, your ideas will help engineer solutions for stronger communities and a sustainable world. As a Software Developer III, you'll lead the design and development of the backend services that power our Cloud-based Building Management System. You'll solve complex technical challenges, influence architectural decisions, and drive the delivery of scalable, reliable software that has a real-world impact. Working alongside talented engineers and cross-functional teams, you'll help shape the technical direction of our platform while mentoring others and raising the engineering bar. What you will do: Design, develop, and deliver scalable, secure, and high-performance backend systems and microservices. Lead the technical design and implementation of complex features and platform capabilities. Partner with Product Managers and stakeholders to translate business needs into scalable technical solutions. Drive architectural decisions across APIs, cloud infrastructure, distributed systems, and microservices. Evaluate technical trade-offs to balance scalability, reliability, and delivery timelines. Leverage AI-assisted development to improve engineering productivity and software quality. Collaborate with cross-functional teams to deliver high-quality end-to-end solutions. Mentor engineers through technical guidance, code reviews, and knowledge sharing. Own technical delivery, coordinating implementation across multiple workstreams. Improve system performance, reliability, observability, automation, and developer tooling. Contribute to technical documentation, architecture standards, and continuous process improvement. Bachelor's or Master's degree in Software Engineering, Computer Science, or an equivalent field. 5 years of professional software development experience. Strong expertise in object-oriented programming, software architecture, and design patterns. Proven experience designing and building distributed systems using microservices and AWS managed services (Lambda, SQS, API Gateway, EventBridge, etc.). Advanced proficiency in Python. Experience leveraging AI-assisted development tools and workflows. Strong proficiency with Git and modern software development workflows. Deep understanding of software engineering best practices, including testing strategies, CI/CD, code quality, observability, and maintainability. A passion for solving complex technical problems, mentoring engineers, and continuously improving systems and engineering practices. Language Requirements French-English bilingualism is required. In addition to fluency in French, successful candidates must have full professional proficiency in English in order to support and collaborate with English-speaking clients, colleagues and/or various stakeholders. As detailed in the job description, this position requires regular oral and written communication with other Trane teams located across Canada and occasionally the United States, with English speaking customers across Canada, and with English speaking vendors or suppliers across Canada and occasionally the United States. Based on an assessment of the duties of this position, we have determined that the position requires daily oral and written use of English, in addition to French. Annual Base Salary Range or Hourly Base Pay Range: $111,308.33 - $155,435.00 Compensation Type: Salary Incentive Eligible: No Sales Commission Eligible: No 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. The position is imminently available, and qualified candidates will be considered for immediate placement. 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.