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Software Engineer III - Backend

Job in Irvine, Orange County, California, 92713, USA
Listing for: Fluxergy
Full Time position
Listed on 2026-05-28
Job specializations:
  • Software Development
    Software Engineer, Backend Developer
Job Description & How to Apply Below

About Us

Fluxergy is a rapidly growing in vitro diagnostics company innovating on the cutting-edge of laboratory testing. We’re developing the first and only multi-modal point-of-care platform that enables molecular, clinical chemistry, immunoassay, and hematology testing on the same system.

Our platform spans many markets including the clinical, veterinary, and food safety industries. We are seeking self-motivated problem solvers who are excited to help decentralize traditional laboratory infrastructure.

At the core of our company’s identity is a strong foundation in engineering. We take great pride in our commitment to critical thinking and pragmatic problem-solving through a modular and systemic perspective. We hold the conviction that transparent communication, coupled with the flexibility to adjust to evolving scenarios and the willingness to venture beyond familiar territories, is crucial to both our success and yours.

Our product:

About the Role

As a Software Engineer - Backend, you will be part of an expanding Software team and will apply yourexpertiseto design, develop andmaintainbackend services for our medical device platform. You will have the opportunity to develop Fluxergy’s current software, enhancing its capability, improving security features,and tosupport system bring up and integration with cross-functional teams.

Specifically, you can be expected to complete the following tasks:

Team culture:

- Self Driven

- Proactive

- Great communicator

- Contribute to a productive team culture

What You Will Do
  • Design, develop, andmaintainbackendapplications,APIs, and integrations for our medical device platform, ensuring compliance with relevant medical device regulations and standards.
  • Lead technical discussions and collaborate with cross-functional teams to define and implement software requirements.
  • Architect andoptimizedatabase systems to store and manage critical medical data securely and efficiently.
  • Implement robust, scalable, and high-performance solutions using modern software development best practices and technologies.
  • Participate in and lead code and design reviews, contributing to a culture of continuous improvement and shared learning.
  • Collaborate with front-end development teams to ensure seamless integration of backend services and APIs.
  • Support platform development with cross-functional teams.
  • Mentor junior team members andprovidetechnical guidance as needed.
  • Create andmaintaininternal documentation and tools to support development, testing, and compliance efforts.
  • Stay abreast of industry trends, emerging technologies, and best practices in medical device software development.
  • Actively contribute to a positive, growth-oriented team culture.
What You'll Need to Have
  • 5+ years of experience in Backend Engineering.
  • 4+ years working with Databases and API design and implementation.
  • 4+years of experience developing backend services or applications.
  • Proficiency in multiple server-side programming languages and frameworks. (Python,Java script/Typescript,React, etc.)
  • Proficiency with RESTful APIs and server-side development.
  • Strong experience with designing and implementing scalable and high-performance systems.
  • Proficiency with databases, including schema design, query optimization, and performance tuning.
  • Proficiency with continuous integration and deployment (CI/CD) tools.
  • Demonstrated ability to lead technical discussions and provide guidance to team members.
  • Proficiency with version control systems, preferably Git3
  • Proficiency with Agile methodologies, such as Scrum or Kanban.
  • Proficiency with unit testing, working experience withintegrationand verification testing.
  • Understanding ofbackend performance optimization and best coding practices.
  • Strong communication and collaboration skills, with the ability to work effectively across teams.
  • Proficiency with Linux.

Strong plus if you:

  • Has experience in electrical engineering.
  • Experience with full-stack, firmware development,andboard bring up.
  • Experience working within regulated industries (FDA).
  • Working knowledge of data security and privacy standards such as HIPAA and GDPR.

Interview Process

Our interview processes my differ slightly from role-to-role; however, most of our…

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