Principal / Senior Software Engineer

<p><strong><span data-contrast="auto">The Company</span></strong><span data-ccp-props="{}"> </span></p> <p><span data-contrast="auto">Iris Labs, Inc. is a privately held, early-stage company pioneering the use of artificial intelligence to transform how people navigate life’s challenges and wellbeing. We are creating a platform that empowers people to build a life they are proud of and fulfilled by. We bring together psychology, product, design, engineering, and machine learning to build digital experiences that are engaging, trustworthy, and genuinely helpful.  </span><span data-ccp-props="{}"> </span></p> <p><span data-contrast="auto">Iris Labs is backed by Flagship Pioneering, an innovation enterprise that conceives, creates, resources, and builds companies that invent breakthrough technologies that transform the world. Flagship has created over 100 groundbreaking companies since 2000, including Moderna.</span><span data-ccp-props="{}"> </span></p> <p><strong><span data-contrast="auto">The Role</span></strong><span data-ccp-props="{}"> </span></p> <p><span data-contrast="auto">We are seeking an experienced, creative, and talented </span><strong><span data-contrast="auto">Principal /</span></strong><span data-contrast="auto"> </span><strong><span data-contrast="auto">Senior Software Engineer. </span></strong><span data-contrast="auto">The ideal candidate will have a strong background in software and product development, with the ability to lead projects and communicate effectively across teams and with ML researchers.</span><span data-ccp-props="{}"> </span></p> <p><strong><span data-contrast="auto">Key Responsibilities</span></strong><span data-ccp-props="{}"> </span></p> <ul> <li><span data-contrast="auto">Lead the design and development of customer-facing features across the front-end and back-end application stack.</span><span data-ccp-props="{"335559739":0}"> </span></li> <li><span data-contrast="auto">Partner closely with product managers, designers, and researchers to translate customer needs and product strategy into well-designed, high-impact features.</span><span data-ccp-props="{"335559739":0}"> </span></li> <li><span data-contrast="auto">Own features throughout the full product development lifecycle, from discovery and technical design through implementation, release, measurement, and iteration.</span><span data-ccp-props="{"335559739":0}"> </span></li> <li><span data-contrast="auto">Manage the release process for new features, including rollout planning, feature flagging, monitoring, and coordination across engineering and product teams.</span><span data-ccp-props="{"335559739":0}"> </span></li> <li><span data-contrast="auto">Use product analytics, feature experiments, and customer feedback to evaluate feature performance and guide continued development.</span><span data-ccp-props="{"335559739":0}"> </span></li> <li><span data-contrast="auto">Design scalable system architecture for rapidly evolving, AI-enabled back-end components.</span><span data-ccp-props="{"335559739":0}"> </span></li> <li><span data-contrast="auto">Contribute to user interface and interaction design, bringing technical insight into product and design decisions.</span><span data-ccp-props="{"335559739":0}"> </span></li> <li><span data-contrast="auto">Improve application delivery practices by implementing continuous integration, continuous delivery, automated testing, and operational best practices.</span><span data-ccp-props="{"335559739":0}"> </span></li> <li><span data-contrast="auto">Leverage AWS cloud infrastructure to build scalable, reliable, and efficient applications and AI-powered services.</span><span data-ccp-props="{"335559739":0}"> </span></li> <li><span data-contrast="auto">Uphold high standards of data security, privacy, and compliance across all applications.</span><span data-ccp-props="{"335559739":0}"> </span></li> </ul> <p><span data-contrast="auto">Successful candidates will be able to thrive in a fast-paced, action-oriented, team environment and display a clear passion for AI innovation and impact. The role offers a unique opportunity to help drive the strategy of an early stage AI-focused company. The candidate must be an entrepreneurial, highly motivated, and purpose-driven individual. The successful candidate will have a track record of building consumer applications or large internal applications. They must exhibit strong collaboration and communication skills. They should be ready to lead application development in a very dynamic and innovative environment.</span><span data-contrast="auto"> </span><span data-contrast="auto"> </span><span data-ccp-props="{}"> </span></p> <p><strong><span data-contrast="auto">Qualifications:</span></strong><span data-ccp-props="{}"> </span></p> <ul> <li><span data-contrast="auto">5+ years of experience in software development, with a strong focus on building applications.</span><span data-ccp-props="{}"> </span></li> <li><span data-contrast="auto">Extensive exper