Rumble is the Freedom-First technology platform. We proudly offer a video platform, cloud services, advertising solutions, and a non-custodial cryptocurrency wallet. The SeniorBack-End Developer is responsible for designing, building, and maintaining high-performance
server-side systems that power a large-scale video platform serving millions of users. This role
encompasses architecture and optimization of backend services, database design, caching strategies,
and API development. You will also be responsible for integrating front-end elements built by your
coworkers into the application, so a solid understanding of front-end technologies is necessary. Duties/Responsibilities:
Architect and implement scalable backend systems and features for a high-traffic video platform
Design and optimize MySQL database schemas for performance at scale
Implement and maintain caching strategies using Memcached and Redis
Build and maintain APIs that serve client-facing applications
Integrate user-facing elements developed by front-end developers with server-side logic
Identify performance bottlenecks and implement optimizations for maximum speed and scalability
Develop and maintain background tasks and data pipelines handling very large datasets
Conduct code reviews and drive technical decisions on system design and architecture
Maintain, refactor, and modernize legacy codebases
Build reusable libraries and establish patterns for future development
Other duties, as assigned
Requirements:
8 years of experience as a back-end developer
10 years of experience with object-oriented programming languages
5 years of experience with PHP specifically, including PHP 8+
Strong experience with MySQL, including query optimization, indexing strategies, and schema design
Experience with caching layers (Memcached, Redis)
Proven ability to build and optimize systems operating at high scale and throughput
In-depth understanding of web development and HTTP protocols
Experience with Linux server environments, including navigating consoles, reading logs, and
troubleshooting production issues
Experience and/or knowledge with front-end languages such as JS/TypeScript, HTML, CSS
Willingness to jump in on any project, when needed, regardless of code quality
Preferred Qualifications:
Knowledge of video technologies, containers, codecs, and live streaming
Experience with NGINX configuration and optimization
Experience with WebSocket for real-time communication
Experience in BASH scripting and automation
Understanding of networking fundamentals
Familiarity with static analysis tools (e.g., PHPStan) and modern PHP coding standards
Desired Qualifications:
Degree in Computer Science/Engineering or related field
Experience migrating or modernizing legacy PHP codebases
Experience with server-side rendering architectures
Experience with CI/CD pipelines and automated testing (PHPUnit)
Annual Compensation Range:
$135,000 - $154,000 CAD base + benefits + equity
Note: The salary range listed for this position is a good faith estimate based on experience, qualifications, and internal compensation structure. The actual salary offered varies depending on the candidate's skill level and experience. This posting refers to an active vacancy within the organization. We promote an equal playing field where everyone has the same opportunities regardless of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability status, or any other applicable characteristics protected by law. Rumble is an active participant in the e-verify program. Physical demands of the position:
While performing the duties of this job, the employee is regularly required to sit for prolonged periods of time while using a computer and/or keyboard. The employee is required to communicate verbally and hear. The employee may be required to walk, reach with hands and arms, balance, and stoop or kneel. The employee may occasionally be required to lift and/or move up to 15 pounds. Specific vision abilities required by this job include clarity of vision at approximately 20 inches or less (i.e., working with small objects or reading small print), including the use of computers.
