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We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within the Cybersecurity & Tech Controls, you…
Own the payment transaction domain, design the signing pipeline architecture, and extend Solidity smart contracts for a blockchain-based payments network.
Build and extend blockchain payment infrastructure, including Solidity smart contracts, signing pipelines, and audit trails for a crypto-fintech product.
Researches new blockchain protocols, audits open-source code for security, and designs architectures to integrate DeFi and tokenized assets into exchange services.
Build Web3 applications and backend systems that bridge blockchain with fintech, focusing on smart contracts, cross-chain libraries, and asset flows.
Build blockchain software in Go, deploy AWS containers, and craft React interfaces for enterprise finance customers while contributing to open-source projects.
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.
Lead the end-to-end development of DeFi and blockchain products, including tokenomics design, user research, security, and regulatory compliance for a crypto payments company.
Build the core on-chain order book and matching engine in Rust for a blockchain exchange, optimizing latency, gas efficiency, and system reliability.
Teach Blockchain, Web3, and Web Development skills to students and job seekers through hands-on training, covering Solidity, dApps, and modern web tech.
Senior Lead Architect at JPMorganChase’s Kinexys team designing scalable, cloud-native solutions and integrating public blockchain tech while writing production code and mentoring engineers.
If you are a hands-on architect with a passion for building robust solutions and a keen eye for detail, thrive on solving complex technical challenges and enjoy working directly with code, cloud-native platforms, and…
Build and review Solidity smart contracts for Web3 dApps, optimizing gas and security while collaborating with frontend, QA, and product teams.
Build and integrate Web3 components for Citi’s digital asset platform, including smart contracts, blockchain protocol connectors, and on-chain event listeners using Java/Spring and Web3 libraries.
Build internal and customer-facing apps for Tempo Wallet, integrating stablecoin payments and improving the blockchain’s product and developer experience.
Design and operate proof-of-concept projects, define success criteria and testing methods, analyze results, write technical reports, lead technical portions of Mutual Action Plans, conduct customer architecture and…
Lead the development and optimization of blockchain node infrastructure using JVM and distributed systems, building system plugins and collaborating with cross-functional teams.
A part-time legal role supporting blockchain regulation research, contract drafting, and compliance for a non-profit foundation behind the Cardano blockchain.
Builds and maintains institutional-grade Bitcoin wallet and custody infrastructure, focusing on transaction construction, UTXO management, multi-signature workflows, and fee optimization for production-grade Bitcoin applications using Java/Spring Boot.
Builds a new Layer 1 blockchain in Rust, focusing on a fully on-chain order book, matching engine, and custom consensus layer for trading tokenized assets.
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