Josef Leventon

Fullstack Engineer

Montreal

Josef Leventon

Fullstack Engineer

Montreal

Josef Leventon

Fullstack Engineer

Montreal

About

I'm Josef, a full-stack software engineer specializing in Web3 and blockchain technologies, with a focus on CosmWasm smart contracts and frontend development.

I co-founded Swift Protocol, a notification delivery service for web3 applications.

Languages

English

Native

English

Native

English

Native

French

Native

French

Native

French

Native

German

Fluent

German

Fluent

German

Fluent

Spanish

Fluent

Spanish

Fluent

Spanish

Fluent

Experience

Smart Contract Engineer

OhhNFT

2024

Helped the OhhNFT team transition their off-chain services to fully on-chain CosmWasm smart contracts on Stargaze.

Smart Contract Engineer

Elys Protocol

2024

Contributed to the Elys CosmWasm codebase, writing bindings that allowed the smart contracts to interact with custom Cosmos SDK modules.

Frontend Engineer

Stride Labs

2023

Developed new frontend tools to help users achieve higher APR on their liquid staked assets. Wrote the Dust Sweeper, a tool for STRD stakers to convert their staking rewards into STRD tokens.

Frontend Lead

Mesh Security

2022-2023

Developed the first prototype for the Mesh Security frontend alongside teams like Confio, Cosmology and DesignDAO. Contributed further to improvements in the UI in late 2023.

Frontend Engineer

Stargaze

2021-2022

Worked with the early Stargaze team to develop the launchpad and marketplace that have produced $4M+ in volume in 2023, and $30M in volume so far.

Awards

First Place

HackWasm Medellín

2022

First Place

HackWasm Medellín

2022

First Place

HackWasm Medellín

2022

First Place

Montreal Classical Composition Contest

2021

First Place

Montreal Classical Composition Contest

2021

First Place

Montreal Classical Composition Contest

2021

My time

20:40 AM

My time

20:40 AM

My time

20:40 AM