Lead Software Engineer in Test, Modular

$234-319k

Canada: $229k - $313k CAD. Offers annual target bonus and equity

Senior and Expert level

San Francisco Bay Area

Remote from Canada, US

More information about location

Fast, scalable Gen AI inference platform

Be an early applicant

Fast, scalable Gen AI inference platform

201-500 employees

B2BArtificial IntelligenceMachine Learning

Be an early applicant

$234-319k

Canada: $229k - $313k CAD. Offers annual target bonus and equity

Senior and Expert level

San Francisco Bay Area

Remote from Canada, US

More information about location

201-500 employees

B2BArtificial IntelligenceMachine Learning

Company mission

To have real, positive impact in the world by reinventing the way AI technology is developed and deployed into production with a next-generation developer platform.

Job

Company

Role

Who you are

Experience ensuring quality in the domain of machine learning and numerical computing, with an understanding of the unique challenges in testing and validating these systems
Proven experience defining and implementing quality systems at scale
Devotion to quality and engineering excellence, with a track record of driving measurable improvements in product quality
Strong collaboration skills and ability to influence cross-functional teams, including product, engineering, and leadership stakeholders
Experience identifying and managing quality strategies across large software systems
Expertise with software delivery workflows and related tooling (e.g., build/test frameworks, static analysis, dependency management)
Strong written and verbal communication skills, including the ability to articulate complex technical ideas and influence organizational change
Strongly identifies with our core company cultural values

What the job involves

At Modular, we are looking for a Quality Technical Lead who will define and drive the strategy for quality across our engineering organization. This is a pivotal role shaping how Modular ensures product excellence as we build the future of AI infrastructure
You will partner closely with engineering and product teams, develop a cohesive quality program, and guide the adoption of modern practices and tools. Your focus will be on driving measurable improvements in product quality through scalable, sustainable approaches
Design and develop Modular’s Quality Strategy, defining principles, priorities, and metrics that enable continuous improvement
Implement and develop an end-to-end full stack quality system with cross-team collaboration
Integrate with teams to collaborate in developing testing strategies
Proactively identify systemic risks to quality and coordinate initiatives to address them
Monitor, analyze, and improve the effectiveness of Modular’s quality-related processes (e.g., test nondeterminism, CI/CD performance, release readiness)
Provide technical guidance and thought leadership in quality for Modular ML products

Our take

AI development is booming, but the tools behind it? Not so much. Developers are often stuck dealing with messy, disconnected systems that slow everything down and bump up costs.

To address this, Modular has developed a unified AI platform that streamlines the development process. It's AI Engine enhances the performance of models on CPUs and GPUs, supporting popular frameworks like TensorFlow and PyTorch. And on top of that, it's built Mojo, a programming language that's as easy as Python but much faster (35,000 times faster).

In 2023, the company raised an impressive $100M to power its mission. It's been using this funding to grow its team, support more hardware, and push Mojo even further. With the hopes of making AI development faster, smoother, and a whole lot more fun for everyone.

Kirsty

Company Specialist at Welcome to the Jungle

Company

Funding (last 2 of 3 rounds)

Sep 2025

$250m

LATE VC

Aug 2023

$100m

LATE VC

Total funding: $380m

Company benefits

A variety of fantastic health benefits (health, dental, vision insurance; life insurance etc) are available
A 401k plan with up to 5% match
Free tax advice on Carta
Generous work-from-home stipend of $1500 to help you improve your home office
Unlimited paid time off and flexible work hours

Leadership

Chris Lattner

(Co-Founder & CEO)

Founder, Architect, Engineer and BDFL for the LLVM Organization. Former President of Engineering and Product at SiFive, as well as working in various roles at Google, Tesla, and Apple.

Tim Davis

(Co-Founder & President)

Worked at Google for 5 years, ultimately as Group Product Lead for Google ML. Previously founded Fluc Inc, where they developed the entire ML powered delivery system with their co-founder, and mapping software system CrowdSend.

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