Senior FS (Node.js+React.js/React Native) Developer at ProTalent Recruiters

Nàquera / Náquera, Valencian Community, Spain -

Full Time

Start Date

Immediate

Expiry Date

01 Mar, 26

Salary

0.0

Posted On

01 Dec, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Node.js, React.js, React Native, Backend Development, System Design, Algorithms, PostgreSQL, MongoDB, AWS, Docker, Kubernetes, Microservices, Technical Leadership, Collaboration, Innovation, Full Stack Development

Industry

Staffing and Recruiting

Description

The company is seeking a Senior Full Stack Engineer (70% FR/ 30% BE) with a strong focus on backend development to join a mission-driven team building impactful digital health solutions. This is an ideal role for a technically adept problem-solver who is eager to contribute to products that make a real difference in users' lives. In this role, you will work cross-functionally with developers, product managers, designers, and data scientists to deliver user-centric features and scalable systems. You’ll lead backend development efforts while also contributing to the frontend when needed, taking full ownership from idea to deployment. The company is transforming the way people manage and care for their heart health. It offers a digital platform and connected heart monitor that empowers individuals to track and reduce their risk of heart disease, heart attacks, and strokes—the leading causes of death in the U.S. Peer-reviewed studies show the platform leads to measurable improvements in blood pressure, cholesterol, and weight among high-risk users. Recognized as a leader in preventive heart health, the company supports over 130 Fortune 500 companies, government employers, health plans, and labor organizations. Since its founding in 2013, it has raised over $138 million from top-tier investors and is a best-in-class solution within nationally recognized health innovation networks. The company is transforming the way people manage and care for their heart health. It offers a digital platform and connected heart monitor that empowers individuals to track and reduce their risk of heart disease, heart attacks, and strokes—the leading causes of death in the U.S. Peer-reviewed studies show the platform leads to measurable improvements in blood pressure, cholesterol, and weight among high-risk users. Responsibilities: Backend Development: Design and implement scalable, secure, and efficient backend systems using Node.js. Full Stack Contribution: Deliver complete features that connect backend logic to frontend interfaces. Collaboration: Partner with Data Science to integrate advanced algorithms into the backend architecture. Cross-functional Teamwork: Work closely with Product and Design teams to deliver user-facing functionality. Technical Leadership: Mentor junior engineers, conduct code reviews, and promote best practices. System Reliability: Ensure systems are maintainable and scalable, supporting long-term growth. Innovation: Explore and adopt new technologies to enhance performance and engineering efficiency. Requirements 5+ years of professional experience as a Full Stack Engineer, with a strong emphasis on backend development. Deep expertise in Node.js. Proven success in designing and maintaining large-scale systems. Experience with ReactJS or React Native is a plus. Strong knowledge of algorithms, system design, and optimization. Experience with PostgreSQL, MongoDB, or other relational/non-relational databases. Familiarity with AWS, Docker, and Kubernetes is a bonus. Excellent communication skills and a collaborative mindset. Bachelor’s degree in Computer Science or equivalent hands-on experience. Technology Stack: Node.js, React Native, Redux, ReactJS, Scala, Play, Microservices, AWS, Docker, Kubernetes, MongoDB, Redis, PostgreSQL, Spark, Elasticsearch, Kafka, etc

Responsibilities

The role involves leading backend development efforts while also contributing to the frontend when needed. You will work cross-functionally with various teams to deliver user-centric features and scalable systems.