Senior Full-Stack Platform Engineer

RXinsider LTD.; Seattle, Northern (WA, KY); Hybrid; USD 140,000 - 210,000; Full time

Benefits offered by this job

Healthcare Coverage

401(k) with Company Match

Equity

Unlimited PTO

Daily Lunch Stipend

Wellness Stipend

Commuter Benefits

Parental Leave

Job summary

Plenful is hiring a senior software engineer to build and operate platform services and APIs powering healthcare workflows. You’ll work across backend and frontend, with Python/FastAPI, JavaScript/TypeScript, and React, shaping data models and integrations with attention to security and reliability.

The role requires ownership from design through launch, collaborating with product, design, and other engineers in a remote-first, hybrid environment with optional office presence in SF and NYC.

Qualifications

• 7+ years of professional software engineering delivering production applications.
• Strong experience with Python, FastAPI, JavaScript/TypeScript, and React.
• Backend design, API design, data modeling, and production services.
• Frontend features and accessible product experiences.
• Own projects from design through launch and communicate tradeoffs.

Responsibilities

• Build and operate platform services and APIs powering healthcare workflows.
• Implement end-to-end features across backend and frontend.
• Model data and integrate systems with focus on security and maintainability.
• Improve reliability, observability, performance, and developer workflows.
• Collaborate with product and design to translate requirements.
• Review designs, mentor teammates, shape engineering practices.

Skills

Python

FastAPI

JavaScript/TypeScript

React

API design

Data modeling

Production backend

Job description

About Plenful

Plenful is on a mission to transform healthcare operations from the inside out. Fresh off our $50M Series B and backed by Notable Capital, Bessemer Venture Partners, TQ Ventures, Susa/Kivu Ventures, and other leading investors, we’re building the category-defining AI automation platform that healthcare teams rely on to operate smarter, faster, and more efficiently. Our technology empowers healthcare operators across hospital and health systems, pharmacies and payors to eliminate manual work, reduce administrative burden, and improve compliance, all while unlocking critical revenue to fund programs for their in-need patient populations.

Built by healthcare operators for healthcare operators, Plenful is driven by a deep understanding of the challenges facing today’s care teams. We’re passionate about equipping healthcare workers with world‑class tools that deliver real, measurable impact, and we’re proud to serve 100+ leading health systems, pharmacies, and healthcare organizations across the country. If you’re excited to help shape the future of healthcare, we’d love to meet you.

What you’ll do

• Build, and operate platform services and APIs in Python and FastAPI that power complex healthcare workflows.
• Build end-to-end features across backend systems and user-facing applications using JavaScript, TypeScript, and React.
• Model data and integrate internal and external systems with attention to correctness, security, and maintainability.
• Improve reliability, observability, performance, and developer workflows as the platform and customer base grow.
• Partner with product, design, and other engineers to translate ambiguous requirements into pragmatic technical solutions.
• Review designs and code, mentor teammates, and help shape engineering practices across the platform.

Minimum Qualifications

• 7+ years of professional software engineering experience delivering production applications across the stack.
• Strong, hands‑on experience with Python, FastAPI, JavaScript, TypeScript, and React.
• Depth in backend design, including API design, data modeling, integrations, and operating services in production.
• Experience building frontend features and collaborating on usable, accessible product experiences.
• Ability to own projects from design through launch, communicate tradeoffs clearly, and raise the quality of a team’s work.

Preferred Qualifications

• Experience building platforms for complex, configurable workflows or data-intensive products.
• Experience working at a health tech startup or with healthcare data and integrations.
• Familiarity with FHIR and HL7.

Location

Candidates must be based in the San Francisco or Seattle area. The San Francisco role requires working in the office two days per week.

Why You’ll Love Working Here

• Mission-Driven, World‑Class Team — Join an exceptional group of professionals aligned around a meaningful mission and committed to making an impact
• Opportunities for Growth — Strengthen your expertise through collaboration with experienced, high‑performing leaders across the organization
• Flexible Hybrid Work Environment — We’re remote‑first, with meaningful office presence in San Francisco and New York. R&D roles follow a hybrid model, with two days per week in our San Francisco office

Benefits & Perks

• Healthcare Coverage — Full medical, dental, and vision insurance for you and participation for your family
• 401(k) with Company Match — Plenful matches 50% of your first 3% contributed
• Equity — Every full‑time employee shares in our success
• Unlimited PTO — Take the time you need, when you need it
• Daily Lunch Stipend — $100/week to cover your midday meals
• Wellness Stipend — $100/month to support your health and well‑being
• Commuter Benefits — $100/month for SF and NYC-based employees
• Parental Leave — Paid leave to support growing families