Senior LLM Software Engineer, Jack Archer

$160-260k

+ Competitive equity package

AWS

GCP

Python

Tensorflow

Azure

PyTorch

Shopify

Senior and Expert level

Miami

New York

San Francisco Bay Area

Men's clothing brand

Job no longer available

Men's clothing brand

21-100 employees

FintechB2CRetailFundraisingVenture CapitaleCommerce

Job no longer available

$160-260k

+ Competitive equity package

AWS

GCP

Python

Tensorflow

Azure

PyTorch

Shopify

Senior and Expert level

Miami

New York

San Francisco Bay Area

21-100 employees

FintechB2CRetailFundraisingVenture CapitaleCommerce

Company mission

To redefine men's modern essentials with unparalleled versatility, premium innovation and supreme quality, creating clothing that adapts seamlessly to every facet of your life.

Job

Company

Role

Who you are

You are passionate about AI and its applications in e-commerce
You thrive in fast-paced environments and enjoy tackling complex challenges
You are analytically rigorous and have a bias towards using data to make decisions
You are collaborative, organized, and thoughtful in your approach to problem-solving
You are curious and constantly seek to learn and explore new ideas in the field of AI and LLMs
You take ownership of your work and proactively identify opportunities for improvement
5-8+ years of software engineering experience, with a focus on machine learning and NLP
Strong expertise in designing, training, and deploying LLMs using frameworks like TensorFlow, PyTorch, or Hugging Face
Proficiency in Python and familiarity with ML libraries and tools
Experience in scaling AI models for production use cases, with a focus on performance optimization and robustness
Solid understanding of algorithms, data structures, and software engineering principles
Familiarity with cloud platforms such as AWS, Google Cloud, or Azure
BSc or MSc in Computer Science, Machine Learning, or a related field
Experience with e-commerce platforms or the Shopify ecosystem is a plus

What the job involves

Join OpenStore as a Senior LLM Software Engineer where you'll play a pivotal role in developing and implementing cutting-edge language models to revolutionize our e-commerce platform
You'll be at the forefront of applying AI technology to enhance customer experiences, optimize operations, and drive innovation in the e-commerce space. Collaborate with a team of exceptional engineers to define and execute the technical aspects of our AI-driven vision
Design, develop, and deploy large language models (LLMs) to solve complex e-commerce challenges
Optimize LLM performance, focusing on efficiency, scalability, and accuracy for production environments
Collaborate with cross-functional teams to integrate LLM solutions into our existing e-commerce platform
Develop and maintain end-to-end machine learning pipelines for LLMs, from data preprocessing to model deployment
Contribute to the future architecture of key AI systems and frameworks, balancing innovation and reliability
Stay current with the latest advancements in LLM technology and assess their applicability to our projects
Mentor junior team members and contribute to shaping our AI technology strategy and roadmap

Our take

Its no secret most men want to dress sharp without spending hours on hours figuring out what to wear. But let's be honest, finding clothes that actually fit right can be harder than it needs to be.

That's where Jack Archer comes in. They make modern essentials that are designed to not only fit right, but handle whatever the day throws at you. It does so by using premium fabric tech sourced from Japan and expert craftsmanship, so that wearers can feel there best in a clean, durable look.

Kirsty

Company Specialist at Welcome to the Jungle

Insights

Led by a woman

Top investors

Trustpilot (4.2)

Company

Funding (last 2 of 3 rounds)

Sep 2022

$32m

LATE VC

Nov 2021

$75m

SERIES B

Total funding: $137m

Company HQ

Civic Center, New York, NY

Leadership

Emma Crepeau

(CEO)

Emma joined the Jack Archer team in 2025 as CEO. Prior to this, they spent 3 years at Rhone as CGO and 8 years at Sweaty Betty in various roles, including SVP of Growth.

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