MoonPay builds a unified payments infrastructure enabling users to buy, sell, swap, and transact digital currencies through a compliant and scalable platform operating across the United States, UK, and EU. The system integrates identity verification, fraud detection, and settlement layers to support high-volume global transactions. This Fullstack Engineer role sits...

Swissblock Technologies is a private investment firm focused on integrating cryptocurrency markets with cross-asset investment strategies. The firm manages systematic multi-strategy portfolios that combine digital assets with traditional financial markets using quantitative research and algorithmic trading systems. The Senior Quantitative Researcher will join the Systematic Crypto Group, where researchers transform...

NDAX is a cryptocurrency exchange based in Canada focused on building digital asset trading infrastructure and blockchain-based financial services. The company operates an exchange platform and develops blockchain technology solutions within its engineering division. This role involves working as a Full Stack Blockchain Developer responsible for building and maintaining Ethereum-based...

IntellectEU is an international technology company focused on digital finance, financial messaging, and emerging technologies. Since 2006 the company has worked with financial institutions on large-scale integrations, payment infrastructure, and digital asset platforms, including being a SWIFT service partner. Its engineering teams build distributed systems and blockchain infrastructure used in...

Immunefi operates as a security platform in the decentralized economy, connecting ethical hackers with blockchain protocols to protect billions in user funds. The company sits at the intersection of security, infrastructure, and ecosystem growth, working across global remote teams. This role aligns with web3 security roles, focused on building structured...

Parity builds core blockchain infrastructure including Polkadot, Polkadot SDK, and Kusama. This contract-based, remote role sits within the Security Engineering team and focuses on strengthening security across decentralized systems and Rust-based software components. The Security Engineer will conduct deep manual and automated audits, write secure Rust code where required, and...

Coinbase is a global cryptocurrency exchange and blockchain infrastructure company focused on expanding economic access through digital assets and onchain financial systems. The Senior Blockchain Security Engineer role sits within Coinbase’s Blockchain Security (BlockSec) team, which focuses on protecting funds, protocols, and wallet interactions across blockchain networks. This position operates...

Risk Labs is the core development team supporting decentralized protocols including UMA and Across. UMA provides an optimistic oracle that records verifiable data on blockchains, while Across focuses on cross-chain interoperability using intent-based architecture. The Senior Solutions Engineer role works at the intersection of engineering, product, and partnerships to support...

Fireplace builds a pro-trading terminal for prediction markets, focused on delivering real-time data, execution speed, and institutional-grade workflows. The backend team owns systems that process high-frequency market data, power trading decisions, and ensure reliability under load. This role aligns with blockchain infrastructure roles, where backend performance directly impacts product correctness....

Kraken operates a global crypto platform delivering trading, institutional, and infrastructure services, with Payward Services supporting B2B and institutional clients under SLA-driven environments. This role focuses on maintaining and improving distributed infrastructure across remote teams in the United States, working with hybrid-cloud systems, CI/CD pipelines, and observability tooling.  As part...

TRM Labs builds blockchain analytics and AI platforms used by financial institutions, law enforcement, and crypto businesses to detect and investigate financial crime. This role sits within the AI Engineering team, focused on deploying LLM-powered and agentic systems into production at scale.  Operating remotely in the United States, you will...