(Back-end orientation) Senior Full Stack Engineer

Posted 9 Days Ago
Be an Early Applicant
Tel Aviv
Senior level
Artificial Intelligence • Fitness • Healthtech • Mobile • Software
The Role
As a Senior Full Stack Engineer, you will design and maintain complex backend systems, develop full stack features, collaborate with teams, mentor junior engineers, and adopt new technologies to enhance system performance.
Summary Generated by Built In

About Hello Heart:

Hello Heart is on a mission to change the way people care for their hearts. The company provides the first app and connected heart monitor to help people track and manage their heart health. With Hello Heart, users take steps to control their risk of heart attacks and stroke – the leading cause of death in the United States. Peer-reviewed studies have shown that high-risk users of Hello Heart have seen meaningful drops in blood pressure, cholesterol and even weight. Recognized as the digital leader in preventive heart health, Hello Heart is trusted by more than 130 leading Fortune 500 and government employers, national health plans, and labor organizations. Founded in 2013, Hello Heart has raised more than $138 million from top venture firms and is a best-in-class solution on the American Heart Association’s Innovators’ Network and CVS Health Point Solutions Management platform. Visit www.helloheart.com for more information.

About the Role:
We are looking for a Senior Full Stack Engineer with a backend orientation who excels at solving complex challenges and is passionate about building robust and scalable systems. In this role, you will work closely with a talented team of developers, Product, Design, and Data Science to deliver innovative solutions that have a meaningful impact on users' lives.

As a senior engineer, you will focus on backend development while contributing to frontend implementation as needed. You will take full ownership of your projects, from concept to deployment, in a fast-paced and highly collaborative environment, while also mentoring team members and driving technical excellence.

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

Responsibilities:

  • Backend Development: Design, implement, and maintain backend systems that process and analyze large-scale data.
  • Full Stack Contribution: Develop features end-to-end, integrating both frontend and backend functionality.
  • Build scalable, efficient, and secure backend services using Node.js and other technologies.
  • Collaborate with the Data Science team to integrate advanced algorithms into backend systems, driving data-driven products.
  • Partner with Product Managers and Experience Designers to brainstorm, strategize, and execute features and improvements.
  • Ensure architecture and systems are reliable, maintainable, and scalable for future growth.
  • Lead by example, mentoring junior engineers and contributing to code reviews.
  • Continuously evaluate and adopt cutting-edge technologies to improve system performance and engineering practices.

Qualifications:

  • 5+ years of professional experience as a Full Stack Engineer, with a focus on backend development.
  • Strong proficiency with Node.js—a must.
  • Proven experience in designing, building, and maintaining complex systems at scale -  a must.
  • Experience with ReactJS or React Native—an advantage.
  • Solid understanding of algorithms, logic design, and system optimization.
  • Expertise with relational and non-relational databases (e.g., PostgreSQL, MongoDB).
  • Familiarity with cloud-based infrastructure (e.g., AWS, Docker, Kubernetes)—an advantage.
  • Strong collaborative skills, a proactive mindset, and a passion for creating impactful, user-centric solutions.
  • A degree 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.  

Top Skills

Node.js
React Native
React
Scala
The Company
HQ: Menlo Park, CA
251 Employees
On-site Workplace
Year Founded: 2013

What We Do

Hello Heart is the only digital therapeutics company to focus exclusively on heart disease, the #1 cause of death for men and women in the US. Through a connected mobile app that uses AI, behavioral science, and personalized digital coaching to drive lifestyle changes, Hello Heart empowers people to embrace healthier behavior, which can reduce the risks of high blood pressure and heart disease. It also helps users catch readings that are extremely high, encourage them to talk to their doctor and catch potential risk in time. Validated in peer-reviewed studies, Hello Heart is easy to use and works alongside an employer’s benefits ecosystem. Founded in 2013, Hello Heart is a member of the American Heart Association’s Innovators’ Network, and is part of the CVS Health Point Solutions Management Program. Visit www.helloheart.com for more information.

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