Jobs at Harmonic
Harmonic provides configurable block-building infrastructure for Solana validators and searchers. Its products support validator revenue optimization, customizable transaction ordering, private bundle submission, revert protection, and low-latency block building.
Harmonic provides configurable block-building infrastructure for Solana validators and searchers. Its products support validator revenue optimization, customizable transaction ordering, private bundle submission, revert protection, and low-latency block building.
Maintainer signals as of 8/11/2026
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About Harmonic
Harmonic is an open, configurable block-building system for Solana. It provides validators with configurable scheduling strategies and builder choice through drop-in clients, including Samba, a Firedancer fork, and Salsa, an Agave fork. Harmonic also offers searchers private bundle submission with revert protection, low latency, bundle privacy, and no protocol fees. The platform serves Solana validators, searchers, and the broader Solana network.
About Harmonic
Harmonic is an open, configurable block-building system for Solana. It provides validators with configurable scheduling strategies and builder choice through drop-in clients, including Samba, a Firedancer fork, and Salsa, an Agave fork. Harmonic also offers searchers private bundle submission with revert protection, low latency, bundle privacy, and no protocol fees. The platform serves Solana validators, searchers, and the broader Solana network.
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