a week, flexible. General & Specialist Knowledge Strong technical skills, proficient in various programming languages, frameworks, and tools for DLT/Blockchain, data analysis and AI development, such as Solidity (Ethereum), Python, R, TensorFlow, PyTorch, Scikit-learn, etc; Familiar with various data sources, formats, and standards, such as APIs, JSON, XML, CSV, etc, and detail oriented; Experience in developing and deploying More ❯
have led cross-functional technical teams and are respected for your thought leadership You communicate clearly and work collaboratively with a calm, no ego approach Familiarity with ecosystems like Ethereum, Solana, Sui, or Cosmos is a big plus Open to regular travel to Munich and representing SF in protocol communities and at conferences You don't need to be the More ❯
About Arbitrum Foundation The Arbitrum Foundation is dedicated to scaling Ethereum through cutting edge Layer 2 solutions. Our flagship product, Arbitrum One, an Optimistic Rollup, enables faster, more affordable transactions while maintaining Ethereum's security and decentralization. We empower developers to build decentralized applications (dApps) that are both scalable and secure, using Arbitrum chains, which offer flexibility in performance and … cost. Our mission is to enhance the Ethereum ecosystem and drive the adoption of Web3 technology by delivering high performance, open source blockchain solutions. Arbitrum is already the leading Ethereum scaling solution with hundreds of dApps on the platform and over $13bn TVL. At the Arbitrum Foundation, we value decentralization , innovation , and community . We are committed to shaping the More ❯
+ equity Company Overview Our client is a leading Web3 infrastructure provider focused on advancing blockchain transparency, performance, and usability. Backed by one of the largest organizations in the Ethereum ecosystem, they are developing a next-generation transaction explorer designed to provide deep insight into mempool activity and on-chain transaction flows. Role Overview The Senior Backend Engineer will contribute … to the design, development, and optimization of core blockchain infrastructure systems, with a particular focus on Ethereum transaction data and Geth integration. The successful candidate will work closely with a globally distributed engineering team to deliver highly performant and reliable backend services supporting real-time transaction analytics. Responsibilities Design and implement backend services for mempool and transaction data ingestion, processing … and visualization. Work on Geth integration and extend core Ethereum node functionality. Develop and maintain APIs and services enabling real-time transaction insight. Optimize system performance, reliability, and scalability for large-scale data environments. Collaborate with cross-functional teams to support research, product, and infrastructure goals. Participate in code reviews, testing, and continuous improvement initiatives. Requirements Strong proficiency with Geth More ❯
