Staff PHP Architect: Scalable HealthTech Platform (Remote)

ByteHire Limited.; United States; On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Remote-first culture

Job summary

ByteHire Limited. is seeking an senior backend engineer to own and evolve a Symfony-based platform in a data-heavy, scalable environment. You will lead architectural decisions, build internal APIs, and drive performance across PHP, MySQL, and data pipelines.

You will mentor engineers, implement automated tests, and collaborate with cross-functional teams to deliver reliable, high-performance infrastructure. Remote-first with strong engineering culture and equity options.

Qualifications

• 10+ years of backend engineering experience in production systems.
• Strong PHP and Symfony expertise.
• Experience building and maintaining internal APIs.
• Experience with distributed and event-driven architectures.
• Experience with data-heavy ingestion pipelines.
• Hands-on with cloud platforms, preferably GCP (Cloud SQL, Pub/Sub, Redis/Memorystore).
• Containerised environments with Docker and Kubernetes.
• Familiarity with testing tools PHPUnit, PHPStan, Psalm, GrumPHP.
• Experience with Elasticsearch indexing and search optimization.
• Exposure to frontend UI tooling like EasyAdmin or React.

Responsibilities

• Own and evolve platform architecture within a Symfony-based system.
• Provide technical leadership, mentorship, and code reviews.
• Define and uphold engineering standards and best practices.
• Collaborate cross-functionally to deliver scalable solutions.
• Take end-to-end ownership of systems, including production support.
• Design and build backend services and internal APIs.
• Design and optimise relational databases, including query tuning, indexing, and performance debugging.
• Build and scale data ingestion pipelines and event-driven workflows using GCP Pub/Sub.
• Diagnose and resolve performance bottlenecks across PHP, MySQL, and data pipelines using tools like Blackfire / XHProf.
• Work with Elasticsearch for data serving and fuzzy search, including indexing and data synchronisation.
• Contribute to frontend where possible, or collaborate with frontend developers, ensuring smooth backend integration.
• Experience implementing automated testing strategies.
• Experience mentoring engineers and contributing to technical direction.

Skills

PHP

Symfony

APIs

Distributed systems

Tools

Docker

Kubernetes

GCP Pub/Sub

Cloud SQL

Redis Memorystore

Elasticsearch

PHPUnit

PHPStan

Psalm

GrumPHP

XHProf

API Platform

EasyAdmin

React

Job description

ByteHire Limited. is seeking an senior backend engineer to own and evolve a Symfony-based platform in a data-heavy, scalable environment. You will lead architectural decisions, build internal APIs, and drive performance across PHP, MySQL, and data pipelines.

You will mentor engineers, implement automated tests, and collaborate with cross-functional teams to deliver reliable, high-performance infrastructure. Remote-first with strong engineering culture and equity options.