Loop is purpose-built verticalized AI for logistics. The data models, the domain intelligence, the infrastructure — all of it built to unlock value trapped in the operations of the physical economy.…
Loop is purpose-built verticalized AI for logistics. The data models, the domain intelligence, the infrastructure — all of it built to unlock value trapped in the operations of the physical economy.…
Sector: Supply-chain AI & fintech (logistics payments and operations)
Stage / Funding: Series C (announced $95M) — total funding reported $65M (company snapshot) and additional $95M Series C announced
Founders: Matt McKinney (CEO) and Shaosu Liu (CTO)
Headcount: ~286 employees (company snapshot)
Headquarters: San Francisco
Company Overview
Problem Domain
Legacy transportation payment, data fragmentation, and inefficient back-office supply-chain operations.
Founded
2021
Industry
Supply-chain technology; fintech / logistics AI
Funding Track Record
Series A
$30M
Reported Series A ~ $30M with participation from Founders Fund, 8VC, Susa, Flexport
Series B
$35M
Reported Series B ~ $35M with participation from J.P. Morgan Growth Equity and Index Ventures
Series C- 2026-04-17
$95M
Announced Series C led by Valor Equity Partners with participation from 8VC, Founders Fund, Index Ventures, and J.P. Morgan
Investor Signal
“Backed by top-tier venture and growth investors including Founders Fund, 8VC, Index Ventures, J.P. Morgan Growth Equity, and Valor Equity Partners”
Founders
What we do
Join the Team
Full-Stack Software Engineer
On-SiteSan Francisco Bay Area, Chicago, New York, US
On-Site • San Francisco Bay Area, Chicago, New York, US
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Who you are
We are not looking for just “straight-A students." We are looking for obsessive builders with spikes. If the following resonates, you belong here:
You build on nights and weekends. You have a repo, a side hustle, or a project you built just because you were curious
You don't wait for class assignments to write code.You hate waiting for approval
You prefer to ship, break, fix, and apologize rather than wait for a committee decision.You are bored by easy tasks. You want problems that are more than 1 prompt away from a solution
You grind to win. You are the type to skip social events just to climb the Esports ladder, ace a math competition, or debug a complex issue—purely for the joy of mastery
Graduating with a BS or higher in STEM fields; available to start full-time in 2026
Working in person in the SF, Chicago, or NYC office 4 days a week
Proficiency with modern techstack. You can deliver a modern web app in hours not in days.
Unblocking yourself. You thrive in ambiguity. Despite the chaos, you deliver high quality products and business impact
AI Literate. You have strong intuition on how LLM works: where they excel and where they generate slop. You live and breathe AI native tools (Cursor, Codex, Claude Code etc.)
What the job involves
Benefits
Premium Medical, Dental, and Vision Insurance plans, premiums covered 100% for you
401k plan
Unlimited PTO
Generous professional development budget to feed your curiosity
Physical and Mental fitness subsidies for yoga, meditation, gym, or ski membership
Startup jobs. A lot of them.
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This program is designed to compress 3 years of learning into 1 year by throwing you into the deep end of production AI systems on Day 1. Instead of sandboxed projects, you get to solve real problems and impact customers directly. This program demands intense investment, but by the end, you will perform as a strong entry-level engineer jumpstarting your career
Week 1 (Onboarding): Deep dive into tools and domain. You will ship code to production on Day 1 and fully grasp our dev loop by Friday
Months 1-3 (Velocity): You will deliver 3 entry-level projects with increasing ambiguity. By the end of Month 3, you are expected to operate as a fully independent engineer
Months 4-9 (The Rotation): You will rotate onto a different high-impact team to expand your surface area. Tracks include:
Platform: AI infrastructure and Engineering Systems
Core Product: Audit, Billing, and Payments logic
Commercial: Revenue Activation and Forward Deployed Engineering
Special Projects: Partnering directly with the CEO/CTO and other execs
Month 9+ (Graduation): You should demonstrate Mid-Level Engineer performance and will be considered for immediate promotion
Ship critical infrastructure. Manage real-world logistics and financial data for the largest enterprise in the world.
Own the why. Build deep context through customer calls, and understand the Loop’s value to our customers. You push back on requirements if you see a better, faster way to solve the customer’s problem
Full-stack proficiency. Work across system boundaries, from frontend UX to LLM agents, database schema and event infrastructures
Leverage AI tools to handle the 90% boilerplate, so you can focus the highest leverage 10%: quality, architecture, product taste
Raise the velocity bar. You will constantly optimize our dev loops, refactor legacy patterns, automate your own workflows and fix broken processes
