Senior Java Full Stack Engineer (with React)

Noom is on a mission to help people live better, longer. Were a consumer-led digital health company, connecting people to content, coaching, community, and clinicians, to build lasting habits and live healthier lives. Were a high-growth organization powered by science, technology, and world-class talent. When you join Noom, on any team, youll see the impact of your work on the world.

Our Engineering Team
Noom's Engineering team is core to delivering the personalized experiences that help our users achieve real, sustainable results. We develop and scale the systems, platforms, and features that bring Noom's mission to life, from the app experience and backend infrastructure to experimentation platforms and AI-powered workflows.

About the Role
As we continue to grow, were seeking a Senior Full Stack Engineer to drive innovation across our product experience and infrastructure. In this role, you will play a key part in the expansion of our medical offerings and help shape the future of our user-facing systems and backend platforms.

You Will

• Build and iterate on new front-end features in our buyflow, including new pages and user interaction logic.
• Support product launches through experimentation and rapid deployment of front-end functionality.
• Contribute to long-term architecture initiatives to help scale our systems for faster product releases.
• Collaborate with product, design, and AI teams to influence and build recommendation engines and eligibility systems.
• Help design and implement AI-driven workflows to optimize the development and delivery of the buyflow experience.
  

Requirments

• 6+ years of professional software engineering experience.
• Strong experience with Java or Kotlin.
• Proficiency in front-end development with React.
• Backend development experience; Python is a plus.
• A comfort level with working in AI-driven systems and workflows.
• Strong product sense, collaboration skills, and comfort operating in a high-growth environment.

Youll be working with a modern backend stack, including:

• Backend Frameworks: Spring Boot (Spring Data, Spring Security)

• Data & Serialization: Protobuf2, Jackson

• Databases & Caching: MySQL, Redis

• Infrastructure & Deployment: Docker, AWS

• Architecture: Microservices-based environment

• Testing & Quality: Mockito, Flyway

• Monitoring & Observability: Sentry, DataDog

What Makes This Job Amazing

• Opportunity to work on high-impact initiatives in health tech.
• Collaborate with cross-functional teams to shape user experience and product direction.
• Contribute to cutting-edge AI and recommendation systems.
• Join a fast-paced, mission-driven team with a meaningful purpose.
  

Location

• This position is a fully remote role, based in Cluj-Napoca, Romania
  
  

More About Noom

Noom is a leading whole-person health platform on a mission to help people live better, longer. We combine personalized medication with the science of behavior change and psychology, to help people build lasting habits and live longer, healthier lives. With nationally-recognized, holistic programs spanning weight, diabetes prevention, GLP-1 support, menopause, longevity, and more, we serve millions through health plans, employers, and direct-to-consumer offerings. As a trailblazer in the world of health and wellness, Noom makes healthy living easy, fun, and deeply rewarding.

Were more than a health tech company—were a movement. This belief extends to our culture: we empower our people to think big, act boldly, and take pride in their contributions to shaping the future of health. With a strong remote culture, as well as offices in NYC and Princeton, weve been named one of the Best Places to Work by Inc., Fortune, Glassdoor, and Quartz—including honors for technology and diversity.

Join us in shaping the future of health. Youll be part of a passionate, mission-driven team working to make the world a healthier place—one habit at a time.

Noom is proud to be an Equal Opportunity Employer, and all applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, caste, national origin, physical or mental disability, protected veteran status, age, or any other characteristic protected by applicable law. Noom is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities.