⚡️ About Us What if we could use the efficiency gains in science and technology to understand and even control our stress response? What if we can learn how to regulate our stress proactively to address our health before we reach a state of illness? Walking on Earth is transforming the way people manage stress by developing the world’s first AI Stress Coach that builds resilience to stress with micro moments of recovery during the working day. The WONE Method blends the latest advances in AI technology and neuroscience to measure stress and deliver personalised health plans from world leading experts. Walking on Earth’s journey has been one of high growth and impact, with 3x YoY growth, 8x engagement compared to industry standard and 66% of employees reporting a reduction in stress. WONE supports large, high performing businesses to break the cycle of chronic stress and supercharge business performance. We’re a fast-growing, mission driven startup. We have an experienced leadership team ex. Google, Treatwell, Deliveroo, BenevolentAI and are VC backed with word class investors & advisors incl. Arianna Huffington & Brent Hoberman. We live and breathe by example to create a truly authentic team culture, with high performance and wellbeing at the core. About the role We're looking for a highly skilled and adaptable Senior Software Engineer who thrives in an individual contributor role within a collaborative team. You’ll be taking ownership of complex problems to deliver innovative, end-to-end solutions. You’ll work closely with cross-functional teams to define technical requirements, make trade-offs and ensure that solutions are both sustainable and maintainable in the long term. Experience with mobile app development, particularly React Native, is a strong plus and a passion for promoting wellbeing and reducing stress through technology is essential. This role requires wearing many hats, collaborating across product phases and contributing to a meaningful mission Key Responsibilities. Understand business needs and provide technical expertise to stakeholders Work closely with product managers and designers to define technical requirements and articulate trade-offs Design and develop comprehensive end-to-end solutions to business problems Monitor, maintain, and ensure the smooth operation of developed solutions Contribute to the enhancement of team processes and practices About you A highly experienced Senior Software Engineer with around 5 years software engineering expertise, having developed consumer facing apps Full stack experience - strong with frontend technologies (React experience essential) and proficient across infrastructure and backend (ideally Python, or TypeScript/JavaScript) Strong collaboration skills across Product Discovery and Product Delivery phases Capable of taking ownership of a problem and delivering comprehensive solutions Considers the long-term sustainability of the products developed, including monitoring and maintenance Passionate about building innovative solutions and thriving as an individual contributor (IC) within a dynamic team Proven experience of mentoring and developing other engineers Experience with mobile app development (React Native) is a plus, especially for those with strong web frontend experience An interest in reducing stress and promoting wellbeing through technology ♂️ Benefits & Perks Competitive Salary & Options 25 days holiday Unlimited holistic health days Enhanced parental policies Pension scheme Flexible working Free private wellbeing sessions Weekly team wellbeing sessions Annual Company retreat Cycle to work scheme At WONE, we believe that diversity drives innovation and success. We are committed to building an inclusive environment where every team member feels valued, respected, and empowered. We welcome applicants of all backgrounds, identities, and experiences to join us in making a difference.