Staff Fullstack Engineer, PHP
Posted on April 23, 2026 (about 1 month ago)
This job post is archived - the company is no longer hiring for this position.
Check out other job posts of this company here!About Arbiter
Arbiter is the AI-powered care orchestration system that unites healthcare. Today, healthcare runs on fragmented point solutions that can’t see the full picture. Arbiter replaces them with a single intelligent system that sits on top of EMRs and existing workflows, unifies clinical, policy, and financial data, and automates the actions that close care gaps, starting with site-of-care optimization.
Backed by one of the largest seed rounds in health tech history and operators who bring the expertise and distribution to scale nationally, Arbiter is building the connected infrastructure healthcare should have had all along.
Our Engineering Culture & Values
We are a high-performing engineering team focused on delivering innovative, high-quality solutions. We value engineering excellence, impact-driven development, collaboration over ego, and continuous growth through mentorship and professional development.
- Engineering Excellence: Taking pride in our technical craft and the products we build.
- Impact-Driven Development: Building fault-tolerant, highly scalable systems that evolve with business needs.
- Collaboration Over Ego: Prioritizing exceptional work and ideas above individual recognition.
- Continuous Growth: Fostering learning, mentorship, and career development.
Responsibilities
- Fullstack Development: Design, develop, and implement highly scalable and reliable web applications and services using PHP, focusing on robust back-end logic, API development, and front-end integration.
- System Architecture: Contribute to architectural design of distributed systems to ensure scalability, performance, security, and maintainability.
- Database Management: Design, optimize, and manage complex relational databases (MySQL or PostgreSQL) using ORM frameworks like Doctrine.
- Front-end Development: Build responsive, intuitive, and performant UIs using JavaScript, HTML, CSS, and Twig.
- Deployment & Operations: Work with modern deployment tools and practices, including Kubernetes, to ensure CI/CD and operational stability.
- Cross-Functional Collaboration: Partner with product managers, data scientists, AI engineers, and other teams to translate requirements into technical solutions.
- Technical Leadership: Provide guidance, mentorship, and conduct code reviews for junior engineers.
- Testing & Quality: Implement unit, integration, and functional testing strategies to ensure reliability.
- Hiring & Onboarding: Participate in interviewing and onboarding new team members.
Minimum Qualifications
- 8+ years of hands-on fullstack software engineering experience with strong emphasis on PHP in large-scale production environments.
- Computer Science or Engineering degree, or equivalent practical experience.
- Excellent proficiency with PHP frameworks, especially Symfony, and ORM tools like Doctrine.
- Extensive experience with relational databases (MySQL or PostgreSQL), including schema design and performance tuning.
- Experience building and operating applications within large distributed systems architectures.
- Demonstrated experience with container orchestration platforms, particularly Kubernetes.
- Strong proficiency with front-end technologies: JavaScript, HTML, and CSS.
- Experience implementing unit, integration, and functional testing strategies.
- Proven technical leadership, strategic thinking, and strong communication skills.
Preferred Qualifications
- Proficiency with modern JavaScript frameworks such as React, Next.js, or Stimulus.
- Experience with large-scale enterprise systems in regulated industries (healthcare or finance).
- Familiarity with cloud platforms (e.g., Google Cloud Platform, AWS) and services for scalable web applications.
- Experience with API design, development, and performance optimization.
Location
This role can be remote or on-site, based in our New York City or Boca Raton offices. The posting lists the location as Remote, US.
Job Benefits
Arbiter offers a comprehensive benefits package including a competitive salary and equity package, generous paid time off, comprehensive health/vision/dental insurance, life and disability insurance, Simple IRA matching, a professional development budget, and wellness programs.
Pay Transparency
The annual base salary range for this position is $190,000 - $250,000. Actual compensation may vary based on experience and other factors.
How to Apply
Please apply via the "Apply for this Job" button on the job posting page.
Additional Application Information
The job posting also includes an application link on the Arbiter careers page. Follow that link to submit your resume and any requested materials.