Create New Account
Sign up to continue searching for suitable jobs in Web 3.0

Terms of Use
Already have an account?

Log In to Your Account
Log in to continue searching for suitable jobs in Web 3.0

Don’t have an account?
Full Stack Developer
at Kleros
over 1 year ago | 1306 views | 10 applications

Full Stack Developer

France, Lisbon, Remote
Per year
$75,000 To $150,000

About the company

Kleros is a decentralized arbitration protocol that uses blockchain, game theory and crowdsourcing to solve a wide range of disputes. The Cooperative Kleros, the company that kickstarted the development of the Kleros protocol, is a widely recognized name in the blockchain and legaltech industries with a highly skilled engineering and research teams. As a fast growing company in a highly innovative industry, Kleros has a wide range of open positions in engineering, management and communications positions. To learn more about Kleros, check our website (, read our white paper ( or our book Dispute Revolution (

Job Summary

Are you passionate about decentralization and building the new governance systems that will make the old ones obsolete? If so, read on.

Job Description

You will be part of Kleros’ software development team, working closely with our CTO and our Lead Developer. You will develop software needed for Kleros to run: write code, participate in code reviews, conduct tests and deal with potential bugs and vulnerabilities reported through our bug bounty programs and audits.

You can work remotely. Even though there are not set hours (apart from a few weekly team calls), you will be expected to deliver high quality work within the defined deadlines. Kleros is more of a close-knit family than a hierarchical team. Your input and suggestions will be heard and we encourage debate and discussion.

You will have plenty of freedom and responsibilities and are expected to be a pro-active member of our team. You’ll have the chance to be one of the pioneers of the blockchain revolution and decentralized justice!


Node back-end development. React front-end development. HTML + CSS styling. AWS infrastructure maintenance. Developing software to interact with the Ethereum blockchain. Requirements

High level of React and Redux or another popular framework. High level of HTML5, CSS3, and JavaScript (TypeScript is a bonus). Knowledge of responsive design. Experience with testing and user acceptance best practices. Experience with Git, Webpack, and other development process tools. Experience working remotely (not required, but a bonus). High Command of English Language. Strong teamwork and collaborative spirit. A previous blockchain experience is not necessarily required but candidates should be able to demonstrate a blockchain interest (read blog posts / scientific articles, tried dapps on mainnets or testnets). ** Perks **

Most of the compensation (2/3) is labelled in fiat and paid in crypto. The remaining (1/3) is labelled in PNK vested over 3 years with a 1 year cliff ensuring you get a stake in the project. We are a cooperative, so as a worker you own part of the company and get voting rights. Location

You can either come to the Lisbon office or work fully remotely. In either case, main work jurisdiction is Github and Slack.

How to Apply

You can apply on this website with an application note answering the following questions:

  1. Why do you think you are a good fit for this role?

  2. What is the address of the KlerosLiquid smart contract on the mainnet that uses and the value of its maxDrawingTime variable? Let’s test your sleuthing skills!

Similar jobs

6 minutes ago | 0 views | Be the first one to apply
United States
$103,000 To $155,000 per year
13 minutes ago | 1 view | Be the first one to apply
United Arab Emirates
about 23 hours ago | 26 views | Be the first one to apply
United Kingdom
2 days ago | 31 views | 4 applications