Senior Product Engineer - AI-Driven Cross-Platform Impact

Welltech; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Welltech is hiring a Product Engineer mindset role to own end-to-end stack outcomes across mobile, web, and infrastructure. You’ll work with product, design, and data to translate bets into experiments and ship quickly with AI-enabled workflows.

You’ll contribute to modular architectures, native integrations, and scalable platform capabilities, driving code quality and delivery speed while prioritizing impactful outcomes.

Qualifications

• Strong commercial experience with React Native and modern TypeScript-based application development.
• Solid understanding of full-stack architecture including mobile, web, BFF, and cloud/infrastructure layers.
• Experience building scalable cross-platform systems and shared application foundations.
• Deep understanding of software architecture, modular systems, scalability, and performance optimization.
• Experience working with CI/CD pipelines, automation tooling, and modern developer workflows.
• Strong engineering mindset focused on maintainability, reliability, testability, and fast iteration.
• Comfortable working in AI-assisted or agentic development environments and adopting new AI-driven workflows quickly.
• Experience with backend-driven UI architectures.

Responsibilities

• Build and evolve a cross-platform ecosystem covering mobile, web, BFF, and infrastructure layers using an AI-first, agentic development approach.
• Design scalable foundations for health & fitness applications powered by React Native and modern web technologies.
• Work directly with product, design, and marketing stakeholders to rapidly translate business needs into scalable technical solutions and experiments.
• Develop and continuously improve AI-agentic workflows across the full development lifecycle to increase team productivity, code quality, and delivery speed.
• Develop shared platform capabilities, internal tooling, CI/CD pipelines, and AI-assisted workflows that improve development speed and product quality.
• Work on native mobile integrations and advanced media experiences, including video playback, streaming, and HLS-based solutions.
• Contribute to modular architectures, reusable systems, backend-driven UI solutions, and white-label application capabilities.
• Build reliable and scalable integrations between frontend clients, BFF services, and platform infrastructure.
• Participate in architecture discussions, code reviews, documentation, and continuous improvement of engineering workflows.

Skills

React Native

TypeScript

Full-stack architecture

CI/CD

AI-assisted workflows

Frontend-backend integration

Software architecture

Performance optimization

Tools

Node.js

CI/CD pipelines

Job description

Welltech is hiring a Product Engineer mindset role to own end-to-end stack outcomes across mobile, web, and infrastructure. You’ll work with product, design, and data to translate bets into experiments and ship quickly with AI-enabled workflows.

You’ll contribute to modular architectures, native integrations, and scalable platform capabilities, driving code quality and delivery speed while prioritizing impactful outcomes.