Senior Software Engineer, IOS

Senior Software Engineer, IOS

At Twin Health, we empower people to improve and prevent chronic metabolic diseases, like type 2 diabetes and obesity, with a new standard of care. Twin Health is the only company applying AI Digital Twin technology exclusively toward metabolic health.

We start by building a dynamic model of each person's metabolism drawing on thousands of data points from CGMs, smartwatches, and meal logs that maps their personal path to better health. Guided by a dedicated clinical care team, our members have lowered their A1C below the diabetes range, achieved lasting weight loss, and reduced or even eliminated medications, all while living healthier, happier lives.

Our team at Twin Health is passionate, talented, and united by a shared purpose : to improve the metabolic health and happiness of our members. We believe in empowering every Twin to make a meaningful impact for our members, our clients, and each other, while enjoying a supportive, collaborative work environment.

Twin has been recognized not only for our innovation but also for our culture, including : Innovator of the Year by the Employer Health Innovation Roundtable (EHIR), selected to CB Insights' Digital Health 150, and named one of Newsweek's Top Most Loved Workplace.

With more than $100 million raised in recent funding, including a $53 million Series E round in 2025 led by Maj Invest, and a $50 million investment in 2023 led by Temasek, Twin is scaling rapidly across the U.S. and globally. Backed by leading venture firms like ICONIQ Growth, Sequoia, Sofina, Temasek, and Peak XV, we are building the most impactful digital health company in the world.

Join us as we reinvent the standard of care in metabolic health.

Opportunity

We are a consumer tech company, and at the heart of our technology and innovation is mobile and IoT. We are always looking for software engineers who are passionate about creating delightful mobile experiences, and open to learning new technologies and taking on technical challenges. As a senior software engineer, you will showcase your attention to detail, write and promote highly readable and scalable code, and share your knowledge and experience with the other technical staff. You are also someone we can rely on to tackle highly complex problems and bugs, and promote best practices along the way. This role will report to the engineering director.

Responsibilities

• Design, develop, test, deploy, maintain and improve software.
• Build best in class fitness and wellness mobile apps.
• Manage individual project priorities, deadlines, and deliverables.
• Focus on overall product quality and user experience.
• Take initiative and be responsible for technical solutions.
• Mentor and coach new engineering hires and other software engineers.
• Take on additional responsibilities as needed, including on-call rotations.
• Other duties as assigned

Qualifications

Preferred

Compensation and Benefits

The compensation range for this position is $140,000-$150,000 annually.

Twin has an ambitious vision to empower people to live healthier and happier lives, and to achieve this purpose, we need the very best people to enhance our cutting-edge technology and medical science, deliver the best possible care, and turn our passion into value for our members, partners and investors. We are committed to delivering an outstanding culture and experience for every Twin employee through a company based on the values of passion, talent, and trust. We offer comprehensive benefits and perks in line with these principles, as well as a high level of flexibility for every Twin