Ben Grabow Email & Phone Number

Mempool

Mempool

Mempool

• Built the backend which indexes the complete Ethereum swap history of all AMM DEXes through custom indexers
• Integrated Websockets to serve the Frontend with real time data
• Implemented multiple Cronjobs to interpret the indexed swap events into rich data sets
• Created Queues to control the amount of requests to specific third-party APIs
• Deployed and maintain multiple Ethereum nodes across the globe
• Architected and implemented a bot system which is internally used to run multiple trading strategies

• Created a custom NFT drop platform which raised +10m $ and is weekly used to drop NFTs from the most famous artists in the NFT space (XCOPY, Reuben Wu, etc.)
• Created a Leaderboard which aggregates all sales, bids, listings, and transfers of the multiple Noble Gallery NFT contracts and calculates for various factors the place of the user
• Implemented multi-wallet authentication

• Planned and developed multiple NFT drops, including the 14th Century Fund NFT drop from Reuben Wu

• Blockchain indexer for NFTs
• Custom Blockchain Event decoder to index sales, bids, and listings from various NFT marketplaces (Foundation, Superrare, Async Art, etc.)
• Web scraping to index sales, bids, and listings from NFT marketplaces
• Implemented various authentication methods (Metamask, WalletConnect, Gnosis Safe, Coinbase Wallet, Nifty Gateway, Google, Twitter, Email)

Remote

• Architected and built a permissionless token staking platform Backend and Frontend
• Architected and built permissionless NFT staking platform Backend and Frontend
• Led a team of 3 developers using the Agile methodology

Berlin, Germany

Built the first NFT marketplace on Polygon

Berlin, Germany

Berlin, Germany

Worked on building the first ETF protocol on Ethereum and built an Orderbook DEX.

Rotterdam, Südholland, Niederlande

• Implemented weekly new features for a community of over 15M+ users
• automated weekly app release (IOS & Android) - and daily translation process
• created user experiment architecture for Relive’s website to run A / B tests for optimization
• created gap investigation platform to detect and visualize gaps in GPX files from users

• Served as a teaching assistant leading team of students in daily code challenges in JavaScript
• Provided daily feedback and issue resolution of all curriculum through slack help channel or code review
• Delivered one-on-one feedback and code review on a daily basis
• Led a team of 5 students that emulates a real work environment using the agile methodology
• Mentored 5 students on how to learn effectively and solve programming problems
• Reviewed student code and giving feedback on areas of improvement