Senior Security Researcher, Hexens, Remote (CIS / Europe / UAE)Hexens provides cybersecurity services with a strong focus on blockchain systems and smart contract security. The team works on identifying vulnerabilities and architectural risks in codebases that often secure high-value digital assets. This role is focused on reviewing, auditing, and strengthening...

Product Designer — Web & Mobile UX — Global — RemoteTrust Wallet is a widely used non-custodial wallet supporting millions of assets across 100+ blockchains. This remote web3 role focuses on designing intuitive web and mobile experiences that help users safely navigate self-custody, on-chain interactions, and multi-chain asset management. The...

Senior Blockchain Engineer (VNets), Tenderly, Remote (Europe) / BelgradeTenderly operates a full-stack Web3 infrastructure platform supporting multiple blockchain networks, with tooling that spans smart contract development, testing, node operations, and serverless compute. The VNets team focuses on building developer environments that make blockchain systems easier to test, validate, and integrate...

Senior Full Stack Engineer, Fireblocks (Dynamic), Bogotá / Buenos Aires / Mexico CityFireblocks provides institutional-grade infrastructure for organizations building with digital assets, supporting custody, wallets, and transaction workflows used by financial institutions, fintechs, and Web3 companies globally. Within Fireblocks, the Dynamic team focuses on embedded, non-custodial wallet infrastructure designed to...

Founding CTO, HyperSignals, Dubai (On-site)HyperSignals is building a perpetual trading platform centered on execution quality, transparency, and system reliability. The product is designed around social, signal-driven trading with live positions and real-time trade replication, operating under high load and volatile market conditions. This role owns the technical foundation of an...