Role

We are seeking a Senior Blockchain Developer to play a pivotal role in developing Symbiotic's off-chain components and experimental prototypes.

Responsibilities

• Development of internal tooling such as transaction-signing microservices
• Development and design of production-ready SDKs for B2B clients
• Development of backend services
• Development of experimental prototypes

Requirements

• Blockchain Skills:
  • Familiarity with POS systems like Ethereum, Cosmos, Polkadot, Avalanche, etc
  • In-depth understanding of Ethereum’s l1 and l2 architecture
  • Experience with Cosmos SDK, Sub3strate and other blockchain building frameworks
  • Experience implementing distributed systems
  • Understanding of different blockchain specific VMs such as EVM, WASM
  • Experience with Solidity and its development tools like foundry, hardhat
  • Experience with blockchain interaction libraries such as viem, web3js, ethers, web3py, etc
  • Understanding of cryptographic primitives such as hashing, elliptic curves, merkle trees, etc
• Common development skills:
  • 4+ years of production Rust experience
  • Good in Go, Python, Solidity
  • In-depth understanding of RESTful API design and development.
  • Experience with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Redis).
  • Ability to design and optimize database schemas for performance and scalability.
  • Experience with Docker for containerization and application packaging.
  • Basic understanding of Kubernetes for application deployment and scaling.
• Security Awareness:
  • Understanding of web2/web3 security practices
• Soft-skills:
  • Have experimental mindset, e.g fine with fast prototyping
  • Strong problem-solving abilities
  • Happy to learn a lot of new things

Self assessment tasks

Below are questions to answer within 5 minutes using any available resources.

While these won't be part of the actual interview process, if you can answer them without help, you likely have the skills we're looking for! :)

• What are the different approaches for transmitting data from Ethereum Layer 1 to other chains (like Cosmos or Optimistic L2), considering varying levels of trust?
• Consider some network secured by different tokens, where one of them is a wrapped BTC on Ethereum. What are the security risks for the network overall?
• How would you design a consensus client for the EVM?

Offer Details

To be discussed