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Builds and extends blockchain-based dollar and payments infrastructure, owning scalable microservices for secure value transfers across blockchain and banking protocols using Java and Go.
Builds a new securities investment data platform and API layer from scratch using Go and TypeScript, integrating AI tools like Cursor or Claude Code into the development workflow.
Build and operate backend services, APIs, and data systems that process on-chain data, support wallets and financial partners, and power Compound’s application layer using Go, Python, TypeScript, or Rust.
Lead security strategy and execution for a DeFi protocol: smart-contract audits, cloud and CI/CD hardening, incident response, and vendor oversight.
Provide fractional financial, treasury, and economic-system leadership during the Foundation’s early build-out. Advise on institutional-grade controls, reporting, compliance, custody, capital markets, risk, runway,…
Own end-to-end testing for a crypto derivatives exchange, designing test strategies, automating with AI, and validating order matching, settlement, and API integrations.
Lead security for a blockchain L1: harden infrastructure, define policies, manage keys, run audits, and respond to incidents across validators, RPC, and smart-contract systems.
Lead the strategy for stablecoins and on-chain payments on a privacy-focused blockchain network, defining product roadmaps and partnering with institutional issuers to enable compliant, scalable settlement.
Build Solana smart contracts in Rust with Anchor, integrate DeFi protocols, and develop low-latency trading strategies with real-time WebSocket feeds.
Senior security engineer protecting Web3 applications (blockchain, DeFi, crypto wallets) by embedding security into development, reviewing code, and automating vulnerability detection with AI tools.
Build and maintain high-performance Go backend services for fintech and Web3 payment products, including blockchain integrations, smart contracts, and secure transaction processing.
Analyze on-chain blockchain data (DeFi, trading, stablecoins) to produce insights that guide product and ecosystem strategy, using SQL, Python, and tools like Dune Analytics.
Build and maintain secure, scalable backend integrations for digital asset services using Java/SpringBoot, Kafka, and AWS, while ensuring compliance with financial regulations.
Build and scale high-volume crypto transaction infrastructure, handling cross-chain flows, wallet automation, and financial correctness for a regulated payments platform.
Build and maintain high-volume transaction infrastructure for crypto on/off-ramps, wallets, and cross-chain flows, ensuring correctness, auditability, and resilience at scale.
Teach Blockchain, Web3, and Web Development skills to students and job seekers through hands-on training, covering Solidity, dApps, and modern web tech.
Own the product roadmap for HashSphere’s enterprise tokenization and private blockchain features, translating Tier-1 financial institution needs into technical requirements and prototypes to accelerate sales cycles.
Design and improve high-volume transaction broadcasting pipelines, manage transaction lifecycles, recover stuck transactions, contribute to wallet infrastructure and automation, build cross-chain and DeFi integrations,…
Job Description & Requirements Key Responsibilities: Work closely with merchants during the onboarding process to support backend configuration and API integration. Provide technical consultation and guidance on…
Drive AI-powered wealth-management products, from discovery to launch, by partnering with engineering, investment, and compliance teams in a regulated fintech setting.
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