Rumble is the Freedom-First technology platform. We proudly offer a video platform, cloud services, advertising solutions, and a non-custodial cryptocurrency wallet.

The Senior Back-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.

Why Our Team Loves Working Here:

• We are making a significant financial impact for our video creator community; we're proud of their success stories
• We enjoy challenging the status quo and going head-to-head against Big Tech
• We aren't afraid to try new things; we act fast and want to win
• We pay competitive salaries and provide great benefits

EEO Statement:
Rumble is an equal opportunity employer. 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.