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Company

The Browser Company · 9 hours ago

Machine Learning Engineer, Tech Lead

United States

Full-time

Remote

Senior Level, Lead/Staff

$250K/yr - $300K/yr

8+ years exp

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Responsibilities

Scope and spearhead projects to fine-tune, distill, or train transformer models for various features within the browser

Innovate our on-device model architecture in MLX, ONNX, and other frameworks and model formats

Trial and improve new on-device models, including fine-tuning new LLMs, to be performant on a variety of machines

Build infrastructure to collect or generate training data for building or improving models in a privacy safe way

Create ways for us to determine and track model performance and accuracy to improve our app efficiency overtime

Onboard to the team and codebase with your onboarding buddy

Attend a number of onboarding presentations on the company, product, codebase, and culture

Get familiar with the Swift language, the Arc codebase, and how we ship features

Ship a few bug fixes and small improvements across our codebase and tooling

Have pair programmed with a few people on the engineering team

Be regularly posting product feedback about the browser in our #dogfooding channel

Be familiar with how we prototype and build new features, working with product engineers to brainstorm ways to use models to add intelligence to Arc

Be familiar with our cloud infrastructure and data pipelines

Be familiar with how we run inference both on-device and in the cloud

Be testing new prototypes with existing, on-device models to test performance and viability

Participate in product brainstorms to think about the future of Arc

Be interview trained and interviewing candidates for roles at the Browser Company

Be contributing to on-call rotations and jumping into incidents to support the team

Regularly attend weekly engineering discussions about our architecture, how we do code review, code style, and more

Collaborate with our CTO and other ML and infrastructure engineers to shape the product roadmap

Creatively solve problems with product engineers, using pragmatic solutions ranging from basic heuristics, regressions, ML models, to AI depending on the feature

Own our on-device model architecture, updating it to try new models, change how we work with LoRA adapters, and optimizing it for performance and quality

Drive projects from conception to production launch independently

Own our infrastructure to collect training data and fine-tune models for our use-cases

Have built out mechanisms to assess quality and performance, and be working with product teams to improve the efficacy of our models and heuristics

Be mentoring and pair-programming with newer engineers to help them get spun up on the codebase

Qualification

Find out how your skills align with this job's requirements. If anything seems off, you can easily click on the tags to select or unselect skills to reflect your actual expertise.

Machine Learning ModelsTransformer ModelsPythonFine-tuning ModelsMachine Learning InfrastructurePerformance OptimizationProject ManagementIndependently Running Projects

Required

8+ years of experience optimizing and productionizing modern machine learning models, especially ones that run in a real-world product environment (bonus if you’ve worked closely with transformer models)

You have production experience with a modern coding language like Python

You have experience with fine-tuning, distilling, and improving modern machine learning infrastructure and models

You're passionate about performance and efficiency and coming up with creative approaches to building a new kind of browser

You have experience independently running critical projects or initiatives with minimal guidance

You’re pragmatic, motivated by nebulous problems, and excited to work in a startup environment with quick product validation cycles.

We’re primarily focused on hiring in North American time zones and require that folks have 4+ hours of overlap time with team members in Eastern Time Zone.

Benefits

Comprehensive benefits package with employee medical, dental, and vision - we cover 100% of premiums for employees, and up to 95% for dependents

401k plan

Flexible vacation policy - on average, our team members take between 15-20 vacation days a year, plus federal holidays (holidays vary by location)

Remote-friendly working environment - our core working hours are 11 AM-2 PM Eastern Time

12 weeks of paid parental leave

$1,500 USD home office stipend

Employees based in the US also receive additional services like free annual memberships to One Medical (where available), Talkspace, Teladoc, and HealthAdvocate