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0x
Blockchain Support Engineer
at 0x
about 7 hours ago | 10 views | 1 applications

Blockchain Support Engineer

Full-time
Remote
Per year
$105,000 To $120,000

About the company

0x is a protocol for decentralized exchange. We envision a tokenized world where value can flow freely. The Ethereum blockchain has become host to a variety of digitized assets, with more being created every day. In the future, everything of value will become tokenized and moved onto blockchains. 0x aims to be the rails upon which the exchange of these assets will take place.

Job Summary

Responsibilities (What you’ll do)

📍Act as a technical liaison for API integrators and internal stakeholders—diagnosing user-reported issues like pricing anomalies, swap error messages, and unexpected API behavior 📍Investigate EVM and SVM blockchain transactions using tools like Tenderly and tracing tools—replaying flows and identifying root causes 📍Develop scripts, tools, or small utilities (in Python or another language) to reproduce issues, automate diagnostics, integrate solutions into our support process, and speed up troubleshooting 📍Leverage AI tools (e.g. ChatGPT, Claude, Cursor, various LLMs) to analyze failing transactions, interpret revert messages, generate explanations or remediation steps, and build tools 📍Track, prioritize, and follow-up in Pylon (or other customer support tools), Slack and Telegram, with a customer-first approach—ensuring timely updates and resolution alignment 📍Collaborate with engineering teams, reviewing code and logs to limit the scope of investigation currently required of product engineers. 📍Work with Grafana (LGMT)—build dashboards, query logs, and use tracing toolsto help diagnose issues 📍Perform data analysis using SQL, Dune, and Metabase

Requirements (Who you are)

📍Deep technical knowledge of Automated Market Makers (AMMs), decentralized exchanges (DEXes), and operating mechanics of Ethereum Virtual Machine (EVM) and Solana Virtual Machine (SVM) blockchains 📍Proficient user of blockchain debugging and simulation tools such as Tenderly, transaction tracing frameworks, simulators, etc. 📍Competent coder— can reproduce issues through code, automate tasks, build custom tools 📍AI fluency—capable of using large language models and AI agents (Claude, Cursor, etc.) to assist in diagnosing transaction reverts and explanatory diagnostics 📍Strong debugging mindset—able to explore, read, comprehend codeflows, logs, reverts, and collaborate efficiently with engineering teams

The crypto industry is evolving rapidly, offering new opportunities in blockchain, web3, and remote crypto roles — don’t miss your chance to be part of it.

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