Senior Web3 Engineer, Ethena

Backend

$125-175k

React

AWS

TypeScript

Python

GraphQL

Next.js

Junior, Mid and Senior level

Remote from Canada, Europe, UK, US

More information about location

Infrastructure unlocking Ethereum's potential

Job no longer available

Infrastructure unlocking Ethereum's potential

1-20 employees

FintechB2BCryptocurrencyBlockchain

Job no longer available

$125-175k

React

AWS

TypeScript

Python

GraphQL

Next.js

Junior, Mid and Senior level

Remote from Canada, Europe, UK, US

More information about location

1-20 employees

FintechB2BCryptocurrencyBlockchain

Company mission

To provide access to trustless, globally accessible, and secure money and savings.

Job

Company

Role

Who you are

An Engineer who is passionate about building products/applications within Defi
Individual who is excited by the opportunity to join a founding core team and drive a product from zero to one
At least 2 years of experience in developing for decentralized applications and can provide examples of prior work
An individual who is curious and always looking to learn new concepts on the overlap between frontier technology and financial concepts
Experience with modern software development practices
Ability to write clean, modular, and testable code
Knowledge of design patterns and object-oriented programming concepts such as SOLID principles
Understanding of algorithms and their complexities
Strong Python skills
Demonstrated experience working with GraphQL
Experience with our frameworks - NextJS and TailwindCSS
Good knowledge of Web3 libraries and tools like, Viem, Wagmi, The Graph
Knowledge of full-stack, modern Javascript: React and Typescript
Understanding of concepts like caching, edge functions, RPC providers that are critical to performant frontend development in Web3
Fluent English, both written and spoken

What the job involves

You will work on our core Web3 application, which enables users to mint and stake USDe, as well as our off-chain backend python infrastructure which listens for events, manages custody positions, routes orders, etc
Working directly with custody and exchange providers to build information on the ongoing solvency and equity positions of internal accounts
Creative license to push the boundaries of Defi design
Collaborate with the team and cross-functional partners on all aspects of product development including smart contract back-end engineers and mentor team members to refine their technical and architectural skills

Our take

Ethena aims to provide accessible and permissionless dollar-denominated savings instruments to individuals beyond the United States. This begins with creating a US dollar stablecoin that operates independently of traditional financial systems, offering full collateralisation and transparency.

Alongside this stablecoin, Ethena is crafting the world's first digitally native savings bond. Unlike traditional bonds tied to centralised banks, this bond token will provide an alternative savings platform for users worldwide.

This ambitious vision has attracted significant investment, which will help the company propel its market presence. As Ethena strives to provide a decentralised and capital-efficient solution, it is poised to redefine the landscape of DeFi, offering a promising alternative to traditional banking systems for users globally.

Steph

Company Specialist at Welcome to the Jungle

Insights

Glassdoor (4.8)

Company

Funding (last 2 of 5 rounds)

Oct 2025

$30m

EARLY VC

Aug 2025

$10m

EARLY VC

Total funding: $76m

Company HQ

Pena, Lisbon, Lisbon

Leadership

Guy Young

(Founder)

Founded Ethena in early 2023. Previously worked in Investing at Cerberus Capital Management.

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