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Achievement: Pair Extraordinairex3Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: YOLO

Achievements

Achievement: Pair Extraordinairex3Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: YOLO

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quellen-sol/README.md

Quellen

Senior Backend Engineer with 5+ years in Rust and TypeScript. All of that time has been in the Solana ecosystem, building the services that turn raw on-chain data into something useful: pricing engines, indexers, data pipelines.

Notable Projects

Veritas

Derives prices across thousands of tokens using graph-based BFS over liquidity pools, oracles, and AMMs. Exposes a web server with built-in observability: request tracing, pricing path inspection, and health endpoints, making it straightforward to audit pricing decisions and diagnose issues in production.

Solana Geyser Ingestooor

High-throughput Solana transaction ingestion pipeline built for sustained load. Raw on-chain data is essentially noise; this turns it into structured, queryable records by parsing swaps, lending, staking, and transfers across Jupiter, Raydium, Orca, Meteora, Kamino, MarginFi, and many more, then writing to ClickHouse and Postgres. Built to handle backpressure and recovery at scale.

Open to Senior Backend roles in Solana

📫 marquelle.nesbitt@gmail.com

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  1. veritas veritas Public

    Real-time Solana token pricing engine — graph-based BFS across any kind of market

    Rust

  2. ingestooor ingestooor Public

    High-throughput Solana tx ingestion pipeline — Jupiter, Raydium, Orca, Kamino, etc. → ClickHouse

    Rust

  3. ArchipelaPal ArchipelaPal Public

    ArchipelaPal is a bot that autonomously plays its own world in an Archipelago Randomizer, perfect for world developers and players who prefer a solo experience or find organizing multiplayer games …

    Rust 1 1

  4. dapp-template dapp-template Public

    TypeScript