Full Stack Engineer (Back End Oriented)

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 Full Stack Engineer with a backend orientation, who thrives on solving complex challenges and is passionate about building robust and scalable systems. You will collaborate with a talented team of developers, Product, Design, and Data Science to create innovative solutions that make a tangible impact on users' lives.This role will focus on backend development while also contributing to frontend implementation. You will take full ownership of your work, from conception to deployment, in a fast-paced and collaborative environment.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 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.Work closely with Product Managers and Experience Designers to brainstorm, strategize, and execute features and improvements.Ensure the architecture and systems are reliable, maintainable, and scalable for future growth.Continuously evaluate and adopt cutting-edge technologies to improve system performance.Qualifications:3+ years of professional experience as a Full Stack Engineer.Strong proficiency with Node.js—a must.Experience with ReactJS or React Native— an advantage.Solid understanding of algorithms, logic design, and system optimization.Proven experience in building and maintaining complex systems at scale.Experience 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 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.