Resideo is growing a new software development team that is reinventing the smart home and our portfolio of software services and connected devices. We serve a rapidly expanding ecosystem of connected devices and millions of users. Here you will have the opportunity to invent and create data driven solutions that connect customers with their home and build mobile and web applications supporting end users and service providers. Join a team that designs, develops and integrates highly complex systems within Resideo. You will be integral in creating system solutions that meet the evolving needs of our customers. You will be involved in every aspect of the systems life cycle, from the front end of business development through product end of life. Apply software engineering knowledge, tools, and principals to develop improved systems. Design high tech systems to integrate homes to manage comfort, efficiency, cost and security for our customers. **JOB DUTIES:** As a Senior Software Engineer this is your opportunity to: + Architect and develop key features across a major new web platform + Create and maintain re-usable front-end components and libraries + Write clean, maintainable, and well-documented code following modern development practices + Collaborate closely with designers, product managers, and platform engineers to efficiently deliver user-centered features + Propose and implement strategies for performance optimization, accessibility improvements, and development efficiency **YOU MUST HAVE:** + Minimum 5+ years of software engineering experience with a front-end development focus, including: + React - Component architecture, state management, custom hooks, and performance optimization + TypeScript - Effective type-safe code that aids in refactoring and preventing bugs + Styled-components - CSS-in-JS for scalable styling + Data fetching, caching, and state management + Hands-on experience with REST APIs and strong knowledge of API design principles + Experience and knowledge on architecting and implementing asynchronous web applications + Experience with testing tools like Jest, Cypress, and Storybook + Experience using CI/CD, build and test automation for web application development + Knowledge of security protocols and security best practices + Strong troubleshooting and debugging skills whether on-browser using source maps and dev tools or utilizing logging tools such as Sentry and Splunk + Strong emphasis on and experience with unit testing of services using frameworks like nUnit, xUnit, Moq + Demonstrated experience on testing and validating functionality of code changes before promoting to production **Technologies Used on the Team Include:** + Typescript + React + Cypress + Vite + Storybook + Node.js + REST + Webhooks / SignalR + Netlify **WE VALUE:** + Experience developing and deploying large-scale web platforms + Experience developing and maintaining shared UI libraries + Experience writing e2e tests + Collaboration and teamwork + Attention to detail + High quality work product **WHAT'S IN IT FOR YOU:** + 5 weeks of paid vacation + Hybrid work model + Flexible working hours + On-site canteen & home office meal vouchers + Pension plan or DIP contributions + Discounted phone plans & company product discounts + Multisport Card & cafeteria program \#LI-FM1 \#LI-HYBRID Resideo is a $6.76 billion global manufacturer, developer, and distributor of technology-driven sensing and control solutions that help homeowners and businesses stay connected and in control of their comfort, security, energy use, and smart living. We focus on the professional channel, serving over 100,000 contractors, installers, dealers, and integrators across the HVAC, security, fire, electrical, and home comfort markets. Our products are found in more than 150 million residential and commercial spaces worldwide, with tens of millions of new devices sold annually. Trusted brands like Honeywell Home, First Alert, and Resideo power connected living for over 12.8 million customers through our Products & Solutions segment. Our ADI | Snap One segment spans 200+ stocking locations in 17 countries, offering a catalog of over 500,000 products from more than 1,000 manufacturers. With a global team of more than 14,000 employees, we offer the opportunity to make a real impact in a fast-growing, purpose-driven industry. Learn more at [www.resideo.com](http://www.resideo.com/). At Resideo, we bring together diverse individuals to build the future of homes. Resideo is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, or veteran status. For more information on applicable U.S. equal employment regulations, refer to the ["EEO is the Law" poster](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20poster.pdf?rv=fdc492d184344b3ea4aec0c96b321632), ["EEO is the Law" Supplement Poster ](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20Supplement%20Poster.pdf?rv=ebe367cad846443e8fa5aa86062813b6)and the [Pay Transparency Nondiscrimination Provision](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/Pay%20Transparency%20Nondiscrimination%20Provision.pdf?rv=11a9cf6533ba426296b137d906b0ce01). Resideo complies with applicable equal employment laws in all countries where we do business. For more information on how we process your information in the job application process, please refer to [Recruitment Privacy Notice](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Resideo%20%20-%20Recruitment%20Privacy%20Notice.pdf?rv=6d871e71bfa24982b181c92fda232b7a). If you require a reasonable accommodation to apply for a job, please use Contact Us form for assistance.