Application Platform Team Lead

Hello Heart; United States; On-site; USD 140,000 - 210,000; Full time

Job summary

Hello Heart is seeking an App Platform Team Lead to design, build, and operate the app infrastructure, enabling shared code, SDKs, and platform services across multiple product streams. You will own mobile complexity, oversee iOS/Android and cross-platform work, and drive technical ownership across the organization.

The role combines hands-on design and leadership of a high-performance team, with a focus on performance, security, and reliability across backend and frontend work.

Qualifications

• Experience using AI tools within the software development lifecycle, including the ability to review, validate, and improve AI-generated code.
• 2+ years as an Engineering Team Lead with demonstrated people leadership and delivery ownership.
• 5+ years building mobile applications for iOS and/or Android.
• Strong, practical experience with mobile CI/CD for iOS & Android (build automation, signing, rollouts/canaries).
• Proven experience building SDKs, libraries or developer tooling that are consumed by multiple product teams.
• Excellent communicator, able to align technical strategy with product needs and translate tradeoffs for cross-functional partners.
• BSc in Computer Science or a related field, or equivalent practical experience.

Responsibilities

• Lead a team of engineers, fostering a high-performance and innovative engineering culture.
• Define and evolve platform architecture that supports shared code, cross-team reuse, and increased developer velocity while addressing mobile-specific complexity (native modules, bridging, cross-platform patterns).
• Make critical technical tradeoffs that balance long-term maintainability with short-term business needs.
• Stay hands-on: drive design and implementation of core pieces of the platform and
• Drive full-stack development, leading backend and frontend implementations as needed.
• Conduct deep technical research to identify and implement the best solutions for performance, security, and reliability.

Skills

AI tooling

Team leadership

Mobile development

CI/CD for mobile

SDKs/developer tooling

Communication

Bachelor's degree in CS

Education

BSc in Computer Science or related field

Tools

None

Job description

About Hello Heart:

Hello Heart is on a mission to make heart attacks a thing of the past.

We’re an AI company focused exclusively on heart health, building a platform that predicts and prevents cardiac events before they happen—identifying risk up to 10 days in advance versus 10 years in traditional clinical models.

This is already working at scale. Hello Heart has been shown to reduce inpatient hospital days by 47% and deliver ~$1,800 in annual savings per member.Hello Heart is the cardiac prevention partner to over 80% of large U.S. health plans and serves hundreds of public and private employers.
We’re defining how the #1 cause of death—heart disease—is managed in the AI era. Join us.

About the Role:

As the App Platform Team Lead, you will lead the team that design, build and operate the app infrastructure Your focus will be on creating and evolving shared code, SDKs, templates and platform services that enables the support of multiple product streams, while managing the unique technical complexity of mobile (iOS/Android, cross-platform code, native integrations). This is a senior, high-impact platform role — the team’s work is central to our mobile product and carries broad technical ownership across the organization.

Responsibilities:

• Lead a team of engineers, fostering a high-performance and innovative engineering culture.
• Define and evolve platform architecture that supports shared code, cross-team reuse, and increased developer velocity while addressing mobile-specific complexity (native modules, bridging, cross-platform patterns).
• Make critical technical tradeoffs that balance long-term maintainability with short-term business needs.
• Stay hands-on: drive design and implementation of core pieces of the platform and

• Drive full-stack development, leading backend and frontend implementations as needed.
• Conduct deep technical research to identify and implement the best solutions for performance, security, and reliability.

Our Technology Stack: Node.js, React Native, Redux, ReactJS, Scala, Play, Microservices, AWS, Docker, Kubernetes, MongoDB, Redis, PostgreSQL, Spark, Elasticsearch, Kafka, and more.

Qualifications:

• Experience using AI tools within the software development lifecycle, including the ability to review, validate, and improve AI-generated code.
• 2+ years as a Engineering Team Lead with demonstrated people leadership and delivery ownership.
• 5+ years building mobile applications for iOS and/or Android.
• Strong, practical experience with mobile CI/CD for iOS & Android (build automation, signing, rollouts/canaries).
• Proven experience building SDKs, libraries or developer tooling that are consumed by multiple product teams.
• Excellent communicator, able to align technical strategy with product needs and translate tradeoffs for cross-functional partners.
• BSc in Computer Science or a related field, or equivalent practical experience.

Hello Heart has a positive, diverse, and supportive culture - we look for people who are collaborative, creative, and courageous. Oh, and if you want to see some recent evidence of the fun things we do at Hello Heart, check out our Instagram page.