Josh Leonard
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Josh Leonard Email & Phone Number

Senior Software Engineer at Gemini
Location: Denver, Colorado, United States 7 work roles 2 schools
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✓ Verified August 2026 3 data sources Profile completeness 100%

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Current company
Role
Senior Software Engineer
Location
Denver, Colorado, United States

Who is Josh Leonard? Overview

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Quick answer

Josh Leonard is listed as Senior Software Engineer at Gemini, based in Denver, Colorado, United States. AeroLeads shows a matched LinkedIn profile for Josh Leonard.

Josh Leonard previously worked as Senior Software Engineer (Web3) at Brave and Software Engineer at 6 River Systems. Josh Leonard holds Bachelor’S Degree, Computer Science from Colorado Technical University.

Company email context

Email format at Gemini

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Gemini

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Profile bio

About Josh Leonard

Experienced Software Engineer with over 8 years of professional experience developing web and mobile applications using React, React Native, Javascript, TypeScript, Node.js, HTML, and CSS.

Listed skills include Functional Programming, Webpack, Roip, Help Desk Support, and 44 others.

Current workplace

Josh Leonard's current company

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Gemini
Gemini
Senior Software Engineer
Denver, CO, US
AeroLeads page
7 roles

Josh Leonard work experience

A career timeline built from the work history available for this profile.

Senior Software Engineer

Denver, Co, Us

Senior Software Engineer (Web3)

San Francisco, California, Us

Developed and maintained features for Brave Wallet. Utilized React, Typescript, Styled-components, and Redux to create user interfaces for managing crypto assets on the Ethereum, Solana, Bitcoin and Filecoin blockchains.

Feb 2022 - Aug 2024

Software Engineer

Waltham, Massachusetts, Us

Developed and maintained React.js interfaces and GraphQL queries for warehouse management systems.

Dec 2020 - Feb 2022

Software Engineer

Colorado Springs, Colorado, Us

Utilized React.js and React Native to create security-focused applications, including Certain-Safe, a secure file hosting service and Krypti, a cryptocurrency wallet.

Mar 2018 - Nov 2020

Software Development Intern

Colorado Springs, Colorado, Us

Aug 2017 - Mar 2018

Intern

Colorado Springs, Colorado, Us

Software Development Internship.Developed full-stack applications in jQuery and ASP.NET.Developed data visualization tool to allow administrators to reassign schools to specific Junior Achievement offices and providing visual feedback of the office's area of responsibility.

Dec 2016 - Aug 2017

Personal Wireless Communications Systems Manager

Randolph Afb, Tx, Us

Sustained $6 Million trunked digital radio system, supporting over 5,000 subscribers.Enforced administrative requirements for 100 account managers.Investigated account and inventory discrepancies. Configured P25 IV&D network equipment including switches, dispatch terminals and microwave links.Developed and delivered training classes to customer.Troubleshot customer issues, hardware/network malfunctions.Provided technical solutions to project managers for radio infrastructure installations, relocations and upgrades.Instructed on-the-job training curriculum for new employees.

Oct 2009 - Oct 2015
2 education records

Josh Leonard education

Bachelor’S Degree, Computer Science

Colorado Technical University

Associate’S Degree, Electronic Systems Technology

Community College Of The Air Force
FAQ

Frequently asked questions about Josh Leonard

Quick answers generated from the profile data available on this page.

What company does Josh Leonard work for?

Josh Leonard works for Gemini.

What is Josh Leonard's role at Gemini?

Josh Leonard is listed as Senior Software Engineer at Gemini.

Where is Josh Leonard based?

Josh Leonard is based in Denver, Colorado, United States while working with Gemini.

What companies has Josh Leonard worked for?

Josh Leonard has worked for Gemini, Brave, 6 River Systems, Eclypses, and Junior Achievement Usa.

How can I contact Josh Leonard?

You can use AeroLeads to view verified contact signals for Josh Leonard at Gemini, including work email, phone, and LinkedIn data when available.

What schools did Josh Leonard attend?

Josh Leonard holds Bachelor’S Degree, Computer Science from Colorado Technical University.

What skills is Josh Leonard known for?

Josh Leonard is listed with skills including Functional Programming, Webpack, Roip, Help Desk Support, Arduino, Sharepoint, Public Speaking, and Computer Hardware.

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