Principal Software Architect

Rumble; Toronto; On-site; CAD 120,000 - 160,000; Full time

Job summary

Rumble seeks a Principal Software Engineer to architect and optimize systems supporting millions of users. This role offers a chance to tackle substantial challenges and collaborate in a dynamic team environment. Candidates should possess extensive experience in multiple programming languages and database technologies. If you are driven, innovative, and eager to make a significant impact, we want to meet you.

Benefits

Competitive salaries

Great benefits

Collaborative, growth-oriented team environment

Qualifications

• 10+ years of expert-level experience in programming languages.
• 5+ years of experience with database technologies.
• 5+ years working in Linux environments.

Responsibilities

• Take ownership of systems logic and performance.
• Design and implement new features and APIs.
• Mentor and guide team members.

Skills

Go

PHP

C/C++

Python

Rust

Linux

Communication

Problem-solving

Job description

Rumble is a high-growth neutral video platform that is creating the rails and independent infrastructure designed to be immune to cancel culture. Rumble’s mission is to restore the Internet to its roots by making it free and open once again.

What You’ll Do:
Rumble is looking for a high-impact Principal Software Engineer to build, architect, and refine the systems that drive some of our core platforms. You’ll take full ownership of systems logic, performance, and the integration of complex data systems that support millions of users. This is your chance to solve big problems, work with massive datasets, and write code that powers real-world impact.

If you thrive in fast-paced environments and love working with a product-driven team to bring ideas to life, this is your role.

In this role, you will:

• Write high quality, performant, reliable and easy to maintain code.
• Design and implement powerful new features, systems, and APIs, that are both scalable and easy to use.
• Predict, identify, and proactively solve technical problems before they impact the business.
• Collaborate, guide and assist other team members in developing systems according to the product and technological vision.
• Take ownership of projects, features and systems from start to finish, including design, implementation, testing, launch and support
• Maintain, refactor, and modernize legacy codebases, transforming them into high-performing systems.
• Work across the stack to ensure reliability, security, and maintainability at every layer.
• Contribute to all architecture and system design decisions that will shape the future of our platform.
• Be a mentor and technical leader within the company.

Requirements:

• 10+ years of combined expert-level experience in two or more of the following programming languages: Go, PHP, C/C++, Python, Rust
• 5+ years of combined expert-level experience in one or more of the following database technologies: MySQL, PostgreSQL, ClickHouse, Redis, MariaDB, etcd
• 5+ years of intermediate or higher level experience working in Linux environments, with hands-on experience debugging with tools like gdb, grep, top, and log analyzers.
• Strong communicator who can collaborate cross-functionally and articulate complex systems clearly.

Preferred Qualifications:

• Experience working with large-scale data processing, real-time analytics, or high-volume traffic systems.
• Ability to be innovative, with excellent problem-solving skills, and the ability to turn ambiguous problems into clearly defined solutions.
• Experience with Bash scripting, systems automation, or DevOps practices.
• Solid grasp of networking fundamentals — you understand how your code moves across systems.
• Knowledge of various server software (ie: NGINX, MySQL) tuning, and low-level performance optimizations.

Desired Qualifications:

• Understanding of video streaming technologies, codecs, and live streaming architectures.
• Knowledge of various ad technologies such as VAST, VPAID, RTB, DSP, SSP
• Experience working in fintech or highly regulated environments where security, performance, and uptime are paramount.
• Familiarity of AI/ML, in terms of implementations, risks and benefits in existing projects and technologies
• Knowledge of cryptocurrencies and related technologies

Why Join Us?
This is more than a coding job — it’s a chance to help shape a platform used at scale, every day. You’ll work in a collaborative, growth-oriented team where your ideas matter, your code runs in production, and your voice helps shape the future of our products. If you’re ready to level up your backend engineering career and build something meaningful, we’d love to meet you.

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 opportunitiesregardless ofrace, 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.

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