Software Engineer III - Backend

Fluxergy; Irvine (CA); On-site; USD 125,000 - 140,000; Full time

Benefits offered by this job

95% medical benefits paid for employee, partner, and dependents

15 paid vacation days

2-week paid winter break

7 paid holidays

5 paid sick days

Job summary

Fluxergy in Irvine, California is looking for a Software Engineer – Backend to enhance their medical device platform. The role involves designing and maintaining backend applications, ensuring compliance with medical regulations, and collaborating with cross-functional teams.

Applicants should have over five years of backend engineering experience and proficiency in server-side programming languages. The position offers excellent benefits, including comprehensive medical coverage and a competitive salary range of $125,000–140,000 per year.

Qualifications

• 5+ years of experience in Backend Engineering.
• Proficiency in multiple server-side programming languages and frameworks.
• Strong experience with designing and implementing scalable systems.

Responsibilities

• Design, develop, and maintain backend applications and APIs.
• Collaborate with cross-functional teams to define software requirements.
• Architect and optimize database systems securely.

Skills

Backend Engineering

API design and implementation

Database proficiency

Server-side development (Python, JavaScript/TypeScript)

RESTful APIs

Performance optimization

Continuous integration and deployment (CI/CD)

Agile methodologies

Version control systems (Git)

Linux

Job description

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: https://vimeo.com/176673475

About the Role

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

Team culture

• Self Driven
• Proactive
• Great communicator
• Contribute to a productive team culture

What You Will Do

• Design, develop, and maintain backend applications, 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 and optimize database 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 and provide technical guidance as needed.
• Create and maintain internal 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, JavaScript/TypeScript, 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 Git.
• Proficiency with Agile methodologies, such as Scrum or Kanban.
• Proficiency with unit testing, and working experience in integration and verification testing.
• Understanding of backend 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:

• Have experience in electrical engineering.
• Experience with full‑stack, firmware development, and board 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 process may differ slightly from role‑to‑role; however, most of our interviews will follow a similar pattern:

• Recruiter Interview
• Hiring Manager interview
• Technical Interview
• On‑site Interview
• Decision

We are an early‑stage company and may change our interview process from time‑to‑time, but our hope is everyone who interviews with us has a positive experience, even if an offer isn’t presented.

Benefits

Excellent Medical/Dental Benefits

• 95% medical benefit premiums paid by Fluxergy and covers employee, partner, and dependents.
• 100% dental and vision premiums paid for employee, partner, and dependents.
• 100% life insurance premiums paid for the employee.

Work‑Life Balance Minded Time Off

• 15 paid vacation days
• 2‑week paid winter break
• 7 company paid holidays
• 5 paid sick days

A Work Culture Which Believes in Promoting from Within

• Wear lots of hats / accelerate your career growth!
• We are a flat organization by design – lots of visibility!
• Many of our current leaders started their career with Fluxergy!

Salary Range: $125,000–140,000/yr

Additional Information

Fluxergy is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, marital status, age, disability, national or ethnic origin, military service status, citizenship, or other protected characteristic.

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