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Lead end-to-end testing for DTCC’s blockchain and tokenization platform, designing automated test suites in Java and validating smart contracts, APIs, and distributed systems to ensure quality across Web2 and Web3 workflows.
Lead end-to-end test automation for DTCC’s blockchain and tokenization platform, designing Java-based tests for APIs, smart contracts, and distributed systems while leveraging AI tools to ensure quality across Web2 and Web3 integrations.
Are you a technically minded support engineer who enjoys solving complex Web3 infrastructure problems? Join Chainstack and help customers operate reliable blockchain applications at scale. About us Chainstack powers…
Build and maintain Chainlink’s decentralized data feeds that power DeFi, using Go, Rust, and Solidity to aggregate and deliver market data to blockchains.
Lead the development of Debifi’s iOS and Android apps using Kotlin/KMP and Swift, integrating secure Bitcoin transactions and AI-driven features while mentoring a small team.
About Digital Asset & the Canton Network Digital Asset builds the technologies that are reshaping the foundations of financial markets. Our mission is to create the world’s most trusted, privacy-enabled, and…
Overview As Web Developer at Etherscan, you will be able to: Build one of the best blockhain data platforms in the world Create and improve on tools that help developers build new, innovative applications utilizing the…
Design and implement quantitative investment strategies for a digital-asset hedge fund, back-test models, and automate data pipelines using Python, R, SQL, and Excel.
Lead security assessments for blockchain, smart contracts, and digital asset platforms, identifying vulnerabilities and ensuring secure deployments while collaborating with engineering and compliance teams.
Build and maintain the backend for a crypto exchange’s staking service, integrating on-chain protocols and running validator nodes for networks like Ethereum and Solana.
At Offchain, we aren’t just building products: we’re leading a movement. As pioneers in blockchain scalability and security, we're at the forefront of transforming how the world interacts with decentralized…
Build production code for Uniswap’s DEX, Wallet, and Trading API; work full-stack with a senior mentor in NYC and ship features used by millions.
Build and ship production-grade software for Uniswap’s DEX, Wallet, and Trading API, working in-person in New York on crypto-native systems handling real value.
Build and maintain front-end apps with React and Styled-components, write tests and docs, refactor code, and review contributions for Unlock Protocol’s web3 tools.
Build open-source demos, plugins, and tutorials to showcase Unlock Protocol’s web3 authentication tools, while engaging developers and creators through code reviews, live sessions, and community leadership.
Build and integrate blockchain components for a fintech/crypto payments platform, mentor engineers, and drive product development from design to launch using Ethereum, Hyperledger, and cloud-native tools.
Build and scale Ethereum EVM infrastructure and node services for a blockchain platform, focusing on performance, reliability, and developer tooling.
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.
Build and maintain secure, scalable backend integrations for digital asset services using Java/SpringBoot, Kafka, and AWS, while ensuring compliance with financial regulations.
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