Python Middle Developer Web3

Blockstream is a Web3 infrastructure company building open-source tooling for Ethereum developers. Our team is fully remote, and we are currently looking for a Python Developer (Junior/Mid level) to join our data indexing team. This is a hands-on engineering role focused on fetching, processing, and indexing on-chain data from the Ethereum network. Responsibilities • Write and maintain Python scripts that fetch and process on-chain data from Ethereum • Work with web3.py and asyncio to build efficient, asynchronous data pipelines • Integrate with external APIs and blockchain RPC endpoints to retrieve and index data • Collaborate with the data indexing team to improve tooling and infrastructure • Troubleshoot and optimize data processing workflows for reliability and performance • Contribute to open-source tooling used by Ethereum developers Qualifications • Working knowledge of Python, including asynchronous programming • Familiarity with web3.py or similar blockchain libraries • Understanding of REST APIs and how to integrate them • Problem-solving mindset and ability to work independently in a remote environment • Strong written communication skills (English) • Interest in Web3, Ethereum, and open-source development Interview Process 1. Small test task - A practical task: write a simple script that fetches and processes on-chain data. A template will be provided. 2. Skills assessment (1 hour) - A quick technical chat to evaluate Python knowledge, API understanding, and problem-solving approach. No live coding, just discussion. 3. Interview with HR (40 min) - A casual conversation about expectations, work preferences, and availability. 4. Final meeting with CEO (30 min) - A quick intro to the roadmap and culture. No trick questions - just to make sure we're a good fit.