Founding Engineer (Data, Fullstack, Platform) jobs in United States
cer-icon
Apply on Employer Site
company-logo

In The Loop · 1 day ago

Founding Engineer (Data, Fullstack, Platform)

In The Loop (ITL) is a vertical software platform transforming the secondhand retail industry. They are seeking a Founding Engineer to work on data systems, platform infrastructure, and full stack development, providing ownership over production systems and experimental workflows.

Retail

Responsibilities

Implement and run experiments across pricing, attributes, and capture workflows
Build and maintain data pipelines and analysis tooling
Translate hypotheses into runnable experiments with measurable outcomes
Work closely with the founder on experiment design and interpretation
Own core backend services and APIs (Python)
Implement guardrails, validation, and fallbacks so experimentation doesn’t break production
Support and unblock other engineers working on the product
Turn prototypes into reliable, reusable services
Contribute meaningfully to our React + TypeScript frontend
Build internal tools, dashboards, and admin views
Integrate new data streams and workflows into the web app
Own the software-side integration of wearable capture devices
Prototype streaming, session management, and ingestion pipelines
Iterate quickly with real hardware in the loop
Decide what is demo-ready vs production-ready, with guidance

Qualification

PythonReactTypeScriptData pipelinesExperimentationFull stack developmentCuriosityProblem-solving

Required

Early-career engineer or new graduate with strong fundamentals and an ambitious portfolio
Comfortable working across React, Python, and JavaScript/TypeScript
Excited by ambiguity and real-world systems
Interested in data, experimentation, and product impact
Curious about hardware × software problems
Comfortable asking questions and iterating quickly

Preferred

CS, Data Science, or Economics + CS
Undergraduate research, startups, hackathons, or side projects
People who want to build real systems, not just optimize resumes

Benefits

Meaningful equity

Company

In The Loop

twitter
company-logo
Modernizing thrift.

Funding

Current Stage
Early Stage

Leadership Team

leader-logo
Zahra Biabani
Chief Executive Officer
linkedin
Company data provided by crunchbase