Blockchain Jobs - December 2025

We’re an early stage blockchain startup building the next generation of decentralized financial infrastructure. Our novel architecture provides more than 10x better performance than competitors while completely avoiding any centralized party (or leader) havin…

Unto Labs is developing the Thru Layer-1 blockchain. The company announced $14.4M in funding and was founded by Jump Crypto alumni and core contributors to the Solana protocol and the Firedancer client. Their runtime conforms to the RISC-V specification, allo…

ChainSecurity is a cybersecurity company focused on blockchain and cryptocurrency. The role involves auditing complex blockchain projects to find vulnerabilities, working directly with development teams, contributing to and creating security tools with the in…

Category Labs (formerly Monad Labs) is a team of systems engineers and researchers building decentralized blockchain solutions. After raising $225M in Series A funding led by Paradigm, the company is hiring across roles including engineering (Rust, C/C++), sm…

Unto Labs is developing the Thru Layer-1 blockchain. The company recently announced $14.4M in funding and was founded by Jump Crypto alumni and contributors to the Solana protocol and the Firedancer client. Their runtime conforms to the RISC-V specification, …

Kulipa issues Visa/MasterCard cards backed by stablecoins. It matters to people who do not have access to a fully open banking system (e.g. Argentina). We synchronize the card payment network with blockchains and non-custodial wallets. It's quite complex to m…