Backend Software Engineer III

This range is provided by Willow Laboratories. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

$/yr - $/yr

* This position is only available for onsite work in Irvine, CA*

Willow is a health and wellness innovator harnessing the power of artificial intelligence and clinical evidence to drive meaningful change in healthcare. We are using cutting‑edge technology, data, and a highly engaging user experience to revolutionize chronic disease management and prevention. We are looking for an experienced Senior Software Engineer to join our growing team. We are looking for strong talent to help us create novel life‑changing digital health solutions for our users.

We hire creative people and give them autonomy to do great work. Our senior software engineers are comfortable dealing with high‑level specifications, working independently and in small teams, and are involved in the product process from start to finish. We need engineers who are excited to try new approaches and collectively learn the right approach to delivering the best health care experiences.

• Work with product managers, designers, and a talented group of engineers to craft unique and beautiful user experiences that will make our mobile solutions best in class.
• Play a critical role in the software architecture, design, and development of our mobile apps.
• Write clean and well‑tested code that allows us to keep our applications stable and easily modifiable.
• Contribute to a knowledge‑sharing and an open and collaborative work environment.

• BS or higher in Computer Science, other related degree, or equivalent work experience.
• 8+ years of experience developing software with proficiency in at least one or more programming languages:
  Java, Python, Node.js.
• Familiarity with scripting and automation.
• Experience with backend frameworks like Quarkus, Spring Boot (Java).
• Strong understanding of SQL databases (Postgre
  
  SQL).
• Experience with No
  
  SQL databases (Couchbase, Mongo
  
  DB, Dynamo
  
  DB, Redis).
• Knowledge of database schema design, indexing, query optimization.
• Designing and maintaining RESTful APIs and/or Graph
  
  QL APIs.
• Experience with distributed event streaming platforms such as Kafka, Flink.
• Experience with authentication/authorization (OAuth, JWT, SAML).
• Hands‑on experience with cloud platforms (AWS / Azure).
• Knowledge of encryption, hashing, SSL/TLS, OWASP Top 10.
• Best practices for securing APIs, databases, and infrastructure.
• Experience with engineering medical software is a plus.

* Salary is dependent on education and experience.

This position primarily works in an office environment. It requires frequent sitting, standing, and walking. Daily use of a computer and other computing and digital devices is required. May stand for extended periods when facilitating meetings or walking in the facilities. Some local travel is necessary; therefore, the ability to operate a motor vehicle and maintain a valid driver’s license is required.

The physical demands of the position described herein are essential functions of the job and employees must be able to successfully perform these tasks for extended periods. Reasonable accommodations may be made for those individuals with real or perceived disabilities to perform the essential functions of the job described.

Mid‑Senior level

Full‑time

Medical Equipment Manufacturing and Wellness and Fitness Services