Infinitus Systems, Inc.

Backend Engineer – Early Career

Infinitus Systems, Inc.

full-time

Posted on:

Location Type: Hybrid

Location: San Francisco • California • United States

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Tech Stack

AWSCloudGoGoogle Cloud PlatformJavaNoSQLPythonSQL

About the role

  • Build and maintain backend services that power our healthcare products.
  • Help design and develop scalable APIs and integrations.
  • Collaborate with data science, frontend, and infrastructure engineers on end-to-end solutions.
  • Write clean, testable, and maintainable code with guidance from senior engineers.
  • Participate in code reviews, technical discussions, and roadmap planning.
  • Gain experience in performance optimization, reliability improvements, and scaling systems.
  • Work with AI coding tools (Cursor, Claude Code, etc.)
  • Work with product managers and designers to understand user needs and deliver real customer value.
  • Learn best practices in backend engineering and grow into increasing ownership over time.

Requirements

  • 2–3 years of backend development experience, with demonstrated learning and growth.
  • Proficiency in at least one backend language (Python, Go, Java, C++ or similar).
  • Basic knowledge of databases (SQL & NoSQL) and API design.
  • Experience with cloud services (AWS, GCP, or similar).
  • Curiosity about AI/ML concepts and healthcare applications (no prior expertise required).
  • Strong communication and collaboration skills.
  • A growth mindset: open to feedback, eager to learn, and motivated to take on new challenges.
  • Alignment with our values: Customer Obsessed, Optimistic, Disagree + Commit, Engage Employees, See–Say–Do.
Benefits
  • Hybrid work (SF office Mon/Tues/Thurs) + catered lunches (Bay Area Positions only*)*
  • Competitive salary, equity, and 401(k)
  • Wellness stipend & great benefits (medical, dental, vision)
  • Generous PTO & parental leave
  • Bi-annual offsites & a collaborative, mission-driven culture
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
backend developmentAPI designPythonGoJavaC++SQLNoSQLcloud servicesperformance optimization
Soft Skills
communicationcollaborationgrowth mindsetcuriosityeagerness to learnopenness to feedbackcustomer obsessionoptimismcommitmentengagement