Senior Backend Developer

Cruit Group; Miami (FL); On-site; USD 159,000 - 176,000; Full time

Benefits offered by this job

Comprehensive benefits package

Equity package

Job summary

Cruit Group in Miami, FL is seeking a Senior Back-End Developer to own end-to-end server-side architecture for a high-scale video platform. The role emphasizes tackling data-intensive problems, modernizing production systems with minimal disruption, and delivering scalable, low-latency services.

You will work with MySQL, Redis/Memcached, Linux, and RESTful APIs, collaborating with front-end and platform teams to ensure reliability, uptime, and performance at scale.

Qualifications

• 8 years of backend engineering experience delivering scalable, high-traffic platforms.
• 10 years of object-oriented programming with PHP 8+.
• Deep MySQL knowledge with indexing, normalization and query optimization.
• Strong Linux administration and HTTP/HTTPS/web protocol expertise.
• Working knowledge of modern JavaScript/TypeScript for backend-frontend collaboration.

Responsibilities

• Design, build, and maintain high-throughput backend services for a global video platform.
• Structure and optimize MySQL schemas and caching layers for performance.
• Develop RESTful/internal APIs and modernize legacy code.
• Implement async queues, workers, and large-scale data pipelines.
• Drive engineering best practices through code reviews and cross-team collaboration.

Skills

Backend engineering

Object-oriented PHP

MySQL

Redis/Memcached

Linux

Frontend awareness

Education

Bachelor's degree in Computer Science or related field

Tools

NGINX

PHPStan

Bash

Redis

Memcached

Job description

Senior Back-End Developer — High-Scale Video Platform

Location: Miami, FL (In-office preferred; open to remote for exceptional talent in the US/Canada)

Our partner is a global technology platform providing video streaming, cloud infrastructure, and digital ecosystem solutions to millions of active users. They are seeking a Senior Back-End Developer to take ownership of end-to-end server-side architecture, building and refining mission-critical systems designed for extreme traffic, low latency, and continuous uptime.

This senior individual contributor role demands a seasoned engineer who thrives on solving complex, data-intensive problems, modernizes production systems without disruption, and makes sound architectural choices as scale expands. Their tech stack centers on core backend services, custom API layers, MySQL database optimization, in-memory caching, and Linux environments, with seamless integration into modern user interfaces.

Key Responsibilities

• High-Scale System Architecture: Design, deploy, and maintain high-throughput backend services powering a global media platform, prioritizing long-term stability and execution speed.
• Database & Caching Performance: Structure and optimize complex MySQL schemas, write efficient queries, and architect high-volume caching layers utilizing Redis and Memcached.
• API Development & Legacy Evolution: Build robust RESTful/internal APIs, modernize legacy codebases, and integrate backend execution logic with client-facing interfaces.
• Data Processing & Workloads: Build and monitor async queue processing systems, background job workers, and large-scale data pipelines.
• Technical Quality & Mentorship: Drive engineering best practices through peer code reviews, reusable code patterns, and collaborative design discussions with cross-functional partners.

Qualifications & Requirements

• Proven Track Record: 8 years of backend engineering experience delivering scalable, high-traffic production platforms.
• Object-Oriented & PHP Mastery: 10 years of object-oriented programming experience, including 5 years of hands-on expertise with modern PHP standards (PHP 8 ).
• Database & In-Memory Caching: Deep knowledge of MySQL (indexing, schema normalization, execution plan analysis) paired with practical implementation of Redis or Memcached.
• Linux & Web Protocols: Strong operational understanding of HTTP/HTTPS, web servers, and Linux administrative environments, including real-time log analysis and production troubleshooting.
• Full-Stack Awareness: Working knowledge of modern JavaScript/TypeScript, HTML, and CSS to effectively collaborate on front-end integration points.

Preferred Experience

• Exposure to video processing workflows, streaming protocols, codecs, or real-time live video delivery systems.
• Experience configuring NGINX, managing WebSocket connections, writing BASH automation scripts, or using static analysis tooling (e.g., PHPStan).
• Background in refactoring monolithic PHP applications, working with server-side rendering, and building automated test suites (PHPUnit) within CI/CD pipelines.
• Bachelor’s degree in Computer Science, Software Engineering, or a related field.

Compensation & Work Model

• Work Location: Miami, FL office presence preferred, but open to strong remote candidates across the US and Canada.
• Base Salary Range: $159,000 — $176,000 USD comprehensive benefits package equity package

(Final compensation is determined based on candidate technical depth, experience level, and internal equity structures.)