Full-Stack Engineer (Backend Focused)

Simplex

$90K — $130K *
Healthcare
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Production backend services experience, preferably with Python.
  • Strong SQL and PostgreSQL skills with a focus on query performance.
  • Hands-on experience with GCP or similar cloud platforms; familiarity with GKE is a plus.
  • Ability to navigate and contribute to a React/TypeScript codebase.
  • Prior startup experience with end-to-end delivery ownership.
  • Maturity to lead informally and proactively solve problems.
  • Strong judgment in balancing speed and quality.

Responsibilities

  • Design and own backend services for the care platform.
  • Ensure API design and data integrity for clinician systems.
  • Collaborate closely with the CTO on infrastructure decisions.
  • Unblock teammates and facilitate delivery as the team scales.
  • Identify and escalate potential issues before they become critical.
  • Work across both backend and frontend tasks as needed.
  • Contribute to informal leadership within the team.

Benefits

  • Competitive equity participation in a high-growth startup.
  • Comprehensive health, dental, and vision benefits.
  • Hybrid work model with scheduled in-person collaboration.
  • Opportunity to impact clinical care directly through product development.
  • Work in a small team with significant ownership of decisions.
  • Culture prioritizing efficiency and results rather than hours worked.
Full Job Description
We're hiring a Full-Stack Engineer who will own the backend services that power Vironix's care platform - API design, data integrity, and the reliability of the systems clinicians depend on. You're not a specialist: you can navigate a React codebase, ship a frontend change when needed, and aren't blocked by a UI task. You'll work closely with our CTO on infrastructure decisions and take on informal technical leadership as the team scales - unblocking others, owning delivery, and raising problems before they become incidents.

Our core team is based in Austin, TX. We work a hybrid schedule with a few days of in-person collaboration each month. We're looking for candidates already based in Austin, TX.

Requirements
  • You've built and owned production backend services - Python experience preferred.
  • Solid SQL and PostgreSQL skills; you care about query correctness and performance
  • Hands-on GCP or comparable cloud platform experience; GKE familiarity is a strong plus
  • Comfortable navigating a React/TypeScript codebase and shipping frontend changes when called for
  • Prior startup experience preferred - you've owned delivery end to end, not just a ticket queue
  • The maturity to lead informally: you raise problems early, unblock teammates, and operate without a playbook
  • Strong judgment on when to move fast and when to slow down and do it right
  • Based in Austin, TX or willing to relocate

Benefits
  • Competitive salary, depending on experience
  • Equity participation in a high-growth healthtech startup
  • Comprehensive health, dental, and vision coverage
  • Hybrid work model - flexibility with intentional in-person collaboration
  • Direct impact on a product used in real clinical care
  • Small team, high ownership - your architectural decisions matter and ship
  • A culture that values efficiency and results over hours logged

#ZR

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