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Blockchain Developer



Software Engineering
Posted on Saturday, March 30, 2024

Blockchain Developer

Location: Remote Type: Full Time/Part Time Salary: Open to discussion Status Updated: March 28, 2024

About us

At Phi we are building the next-gen decentralised identity layer for web3, empowering communities to express their on-chain identity. Our mission is to allow every web3 user to visualize and showcase their on-chain identity based on their wallet activity. In under a year, Phi has experience remarkable growth with 4.1 million NFT’s minted, 270k unique users and collaborations with 65+ protocols. PhiLand has proven that users have a real interest in expressing their on-chain identity, so now we are focusing on giving our users more variety, control and creativity with their identity. e We are in the midst of building Phi Protocol and The Board which will allow community driven credential creation and allow us to bring millions of users to Phi. We want you to be part of this transition and your efforts will help every person on-chain showcase who they are.

About the Role

With a focus on world-class UX and community, you'll take ownership of creation, deployment and management of smart contracts. The smart contracts must be efficient, scalable, secure, easy to audit, yet efficient in terms of deployment, execution, and maintenance.
You will have the opportunity to work closely with several industry partners and integrate their services/products into Phi to create a proof system for on-chain activities.


2+ years of experience in smart contract development and solidity engineering.
Proficiency in Solidity. Experience with Rust/Cairo is a plus.
Strong understanding of Ethereum, Arbitrum, Base and Optimism + other EVM chains with hands on experience deploying dApps.
Experience building with Foundry/Hardhat, Tenderly, and other advanced smart contract development tools and testing frameworks.
Fluent in English (other languages is a bonus!)
Major plus if you have experience in:
Creating decentralised social, identity or digital ownership platforms
Background in mathematics and/or cryptography
Has experience developing Solidity Smart Contracts and protocols (audit experience ++)
Has experience analyzing on-chain data
Has experience with diamond-contract
Building/Mentoring at hackathons


Tech stack
Back: Typescript, Node.js
DB: RDS, DynamoDB
APIs: REST, GraphQL, the Graph
Infra: AWS infrastructure, Docker, Github Action, Alchemy, Tenderly
Smart contracts & ZK: Solidity, Foundry, Viem, Circom
Front: React/Next
Ability to take large ownership
Remote-friendly (no core time)
Participation in some of crypto’s biggest events and conferences
Become entrenched in the web3 social and identity communities

Apply from here