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Associate Director Automation Test Engineering (Blockchain)
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.
Software Engineer, Data Feeds
Build and maintain Chainlink’s decentralized data feeds that power DeFi, using Go, Rust, and Solidity to aggregate and deliver market data to blockchains.
Mobile Lead Developer
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.
Principal Security Engineer (Solana)
Principal Security Engineer designs and implements secure Solana programs and libraries, focusing on confidential computing primitives and SDKs, while setting technical direction for OpenZeppelin's SVM practice.
Technical Sales Lead, Ecosystems
About us OpenZeppelin is the security standard onchain finance is built on. Founded in 2015, our mission is to accelerate the world's transition to an open financial system, built on open standards and secured by…
Blockchain Security Researcher - Future Openings
Research and audit smart contracts for blockchain protocols and financial institutions, using AI tools to find vulnerabilities and co-design secure systems with clients.
Lead Blockchain Security Developer (Canton)
Lead the design and implementation of privacy-preserving DeFi primitives and audited smart-contract libraries for the Canton Network using Daml, while collaborating with auditors and clients to ship secure, production-grade protocols.
Web3 / Full-stack Software Engineer
Build and deploy Web3 full-stack applications using React, TypeScript, and Python to power staking products and secure blockchain networks.
Senior Data Scientist
Senior Data Scientist at Phantom builds metrics and experiments to guide product decisions for a crypto wallet used by 20M+ users, analyzing blockchain and user data to improve growth and retention.
Blockchain - Sr Lead Security Engineer
Lead the design and development of a secure, scalable digital asset custody and wallet platform, integrating blockchain networks like Ethereum and Bitcoin with enterprise-grade security and compliance.
Quantitative Analyst
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.
Quantitative Analyst
Build and back-test quantitative investment strategies for a digital-asset hedge fund, automate data pipelines, and translate research into portfolio recommendations using Python, SQL, and Excel.
Senior Analyst - Digital Assets Security
Lead security assessments for blockchain, smart contracts, and digital asset platforms, identifying vulnerabilities and ensuring secure deployments while collaborating with engineering and compliance teams.
Senior Application Security Engineer
Senior engineer securing MetaMask and Consensys web3 products by embedding security into the SDLC, performing threat modeling, code reviews, and vulnerability triage for JavaScript-based apps and APIs.
Senior Application Security Engineer
Senior engineer securing MetaMask, a crypto wallet and web3 gateway used by 30M+ monthly users, by embedding security into development, reviewing code, and automating vulnerability detection.
Software Engineer Crypto Platform
Builds and operates the backend infrastructure for World Chain, including transaction execution, smart contract interaction, event indexing, and data processing in Go/Rust/TypeScript.
Staking Backend Engineer
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.
Business Development Associate (Developer Ecosystem)
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…
Software Engineer - Early Career
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.
Software Engineer- General Interest
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.