- Company Name
- Zoī
- Job Title
- Senior Back End Engineer
- Job Description
-
Job title: Senior Back End Engineer
Role Summary:
Lead the design, implementation, and maintenance of scalable backend services for preventive medicine products, collaborating closely with product, design, and cross‑functional teams to deliver high‑quality, secure systems.
Expactations:
- 5+ years of professional backend development experience.
- Proven expertise in Node.js, TypeScript, and PostgreSQL.
- Strong grasp of backend architecture, RESTful API design, and testing practices.
- Ability to innovate, challenge existing approaches, and drive architectural improvements in a fast‑paced startup environment.
Key Responsibilities:
- Own end‑to‑end backend development for core applications (data projection for doctors or members‑tracking SaaS).
- Design and build scalable, secure APIs and data pipelines.
- Refactor legacy code, optimize performance, and implement best practices.
- Collaborate with product managers, designers, engineers, doctors, and researchers to translate requirements into technical solutions.
- Contribute to architectural and strategic decisions within feature teams.
- Champion a culture of continuous improvement, testing, and code quality.
Required Skills:
- Node.js (v12+) with TypeScript.
- PostgreSQL relational database design and optimization.
- RESTful API architecture, versioning, pagination, and error handling.
- Unit, integration, and end‑to‑end testing frameworks (e.g., Jest, Mocha).
- Understanding of authentication, authorization, and data security.
- Experience with CI/CD pipelines and cloud deployment.
- Familiarity with GraphQL, message queues, or analytical data processing is a plus.
- Strong communication, teamwork, and problem‑solving skills.
Required Education & Certifications:
- Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field, or equivalent practical experience.
- Certifications in cloud platforms (AWS, GCP, Azure) or related backend technologies are desirable but not mandatory.