FullStack Engineer
Core
Build and maintain high-volume production systems and reliable integrations for APIs and developer tools serving businesses working with creators.
Role type
Senior Full-Stack Engineer (Backend Leaning)
Builds
Unified API, developer tools, customer-facing dashboards, and internal tools
Domain
Creator economy, social media platforms, API integrations
Deliverable
production ML models | product features | infrastructure
Required skills
PHP, Laravel, React, Inertia.js, queue management, webhook systems, API integration, production debugging, concurrency control, rate limiting, database optimization, automated testing
Preferred skills
Reverse engineering undocumented APIs, proxy infrastructure, bot detection, request signing, TLS fingerprints, OpenAPI, SDK development, PostHog, security testing, API abuse prevention
Technologies
PHP, Laravel, React, Inertia.js, queues, workers, webhooks, PostHog
Responsibilities
Build and maintain production applications using Laravel, PHP, React, and Inertia; Investigate production issues through logs, metrics, request flows, and queue behavior; Design reliable queues, workers, and webhook-delivery systems; Handle retries, duplicate execution, rate limits, backpressure, worker failures, and slow upstream services; Build and maintain integrations with external and sometimes undocumented APIs; Reverse engineer web or API behavior related to authentication, cookies, headers, request signing, rate limits, and other platform controls; Create consistent API behavior across multiple creator and social platforms; Improve database queries, worker capacity, job scheduling, and backend performance using measurable evidence; Build customer-facing dashboards and internal tools with accurate, clearly presented data; Add automated tests for critical failure scenarios and previously identified production issues; Keep API documentation, SDKs, and developer tools aligned with production behavior; Independently investigate problems, communicate blockers, and contribute to technical decisions
Seniority
Senior, hands-on IC
