Senior Software Engineer, AI - PushPress

Job Title: Senior Software Engineer, AI
Job Location: USA
Job Listing URL: https://jobs.lever.co/pushpress/644ab1d3-d208-4ce5-bd05-b56798f02d08
Job Description: About PushPress

PushPress is building the Intelligent Industry Ledger for boutique fitness.

We’re transforming how boutique gyms operate — and how the entire $100B fitness industry connects, transacts, and grows. Trusted by 5,000+ gyms and 500,000+ members, PushPress processes over $500M annually and is backed by Altos Ventures and Mucker Capital.

We're evolving from a traditional business system of record into an AI-powered Industry Ledger — an intelligent infrastructure layer that brings order to a highly fragmented boutique fitness industry. By unifying disconnected operators, workflows, and data into a single platform, we’re enabling faster decisions, new business models, cross-gym collaboration, and network effects that increase the value of every studio in our client base.

We’re a global team of builders, operators, and fitness fanatics on a mission to level the playing field for fitness entrepreneurs. If you're ready to help reshape an industry — let’s talk.

About the Role

We are looking for an AI Engineer to build a new AI-powered product that helps gyms and fitness studios grow their business. You'll work with cutting-edge LLMs to create practical features that solve real problems for fitness business owners, owning the entire product lifecycle from concept to launch. This is a rare opportunity to build a high-growth product from the ground up.
What You'll Do
Design and ship AI features end-to-end using LLMs from OpenAI, Anthropic, and other providers
Build scalable Node.js/Fastify APIs for prompt engineering, RAG pipelines, and model orchestration
Create intuitive React/TypeScript interfaces using emerging AI UX patterns (streaming responses, confidence indicators, explainable outputs)
Make product decisions that balance technical capabilities with user needs and business growth
Optimize for performance, cost, and accuracy across different AI models
What You'll Need
3+ years building production applications with Node.js and React
Strong TypeScript skills and experience with modern web APIs
Hands-on experience shipping features with LLMs (GPT-4, Claude, etc.)
Strong product sense - ability to identify what features will drive growth and retention
Experience with AI UX patterns and making AI outputs trustworthy for users
Track record of building products that scaled from 0 to thousands of users
Nice to Have
Experience with Fastify or similar Node.js frameworks
Background with vector databases and embedding models
Previous work on high-growth B2B SaaS products
Experience at AI-first companies or fast-growing startups
Why PushPress
Build a product from scratch that will impact thousands of fitness businesses
Work with the latest AI technologies in a practical, user-focused way
Join at the ground floor of an exciting new product initiative
Collaborate with a team that values both technical excellence and user impact
Learn about our Operating Tenets here: The PushPress Way

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