# LeetCode (LeetCode)

> LeetCode is a professional technology learning and interview-preparation platform offering coding problems, study plans, contests, mock assessments, and technical interview tools for developers and employers.

## Facts
- **Website:** https://leetcode.com/
- **Headquarters:** Palo Alto, California, United States; team presence in Shanghai, China
- **Country:** United States
- **Founded:** 2011
- **Employees:** 11-50
- **Service regions:** Global
- **Categories:** Tech Assessment

## Overview
LeetCode is a professional online technology platform founded in 2011. It helps millions of technologists strengthen programming and computer-science skills, prepare for technical interviews, practice company-tagged questions, join coding contests, and use timed mock assessments. LeetCode also develops B2B and B2C products, including technical assessment and online-interview workflows that connect its developer platform with employer hiring use cases. The company operates teams in Palo Alto and Shanghai. Its current official company page lists 11–50 employees; the imported 1–10 estimate, 2015 founding date, unsupported founder names, accelerator label, and $10 million funding total have been removed.

## Products
Coding problem library; LeetCode Premium; study plans and Explore learning cards; company interview questions; mock assessments; weekly and biweekly contests; Discuss community; online interview tools; technical assessment and employer hiring products.

## Customers
Individual software engineers, students, aspiring developers, and employers evaluating technical candidates; LeetCode describes a global community of millions of technologists.

## Sources
- [LeetCode official careers page](https://leetcode.com/jobs/) — official
- [LeetCode official quick-start guide](https://support.leetcode.com/hc/en-us/articles/360012067053-LeetCode-QuickStart-Guide) — official
- [LeetCode official interview area](https://leetcode.com/explore/interview/) — official
- [LeetCode official LinkedIn page](https://www.linkedin.com/company/leet-code) — official-social
- [LeetCode official LinkedIn page](https://www.linkedin.com/company/leet-code) — official-social
- [LeetCode official careers page](https://leetcode.com/jobs/) — official
- [LeetCode official careers page](https://leetcode.com/jobs/) — official

## FAQ
**What does LeetCode do?**

LeetCode is a professional technology learning and interview-preparation platform offering coding problems, study plans, contests, mock assessments, and technical interview tools for developers and employers.

**Where is LeetCode headquartered?**

LeetCode is headquartered in Palo Alto, California, United States; team presence in Shanghai, China.

**When was LeetCode founded?**

LeetCode was founded in 2011.

**How many employees does LeetCode have?**

LeetCode has 11-50 employees.

**What kind of HR technology is LeetCode?**

LeetCode is categorized under Tech Assessment on DHRMap.

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**Verification:** core_verified · last reviewed 2026-08-13
**Canonical page:** https://www.dhrmap.com/companies/leetcode
Machine-readable: [leetcode.json](https://www.dhrmap.com/companies/leetcode.json) · © DHRMap. Facts may be quoted with attribution and a link to the canonical page. Not for bulk redistribution.