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?
