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MANTECH seeks a motivated, career and customer-oriented Unmanned Aircraft Systems Data Integration Analyst to join our team in Solana Beach, CA. This position is onsite . The Unmanned Aircraft Systems (UAS) Data…
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.
You will own Helius's product marketing storytelling across positioning, launch coordination, the website, blog, and social channels. You will build launch processes, shape cross-product narratives, guide pricing…
FINALITÉ DE LA FONCTION En tant que Solution Manager, vous serez le pilote technique et opérationnel des projets clients, garant de leur réussite dans le respect des contraintes coûts, délais et qualité. Votre mission…
Build Solana smart contracts in Rust with Anchor, integrate DeFi protocols, and develop low-latency trading strategies with real-time WebSocket feeds.
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.
Build and enhance a mobile app and microservices for tokenized investment products, using React, Flutter, Java, TypeScript, and blockchain protocols like Stellar and Ethereum.
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.
Senior Lead Architect designs scalable, cloud-native solutions and writes production code, focusing on public blockchain integration and financial IT systems.
The Director, SEC Reporting and Technical Accounting is a Senior Technical Accounting Professional responsible for SEC external reporting, complex accounting research, policy development, and supporting the quarterly…
Own the product roadmap for crypto-native features at Bitrefill, a remote-first company enabling crypto spending on real-world goods and services across 180+ countries.
Backend engineer building real-time crypto analytics infrastructure, ingesting blockchain data into OLAP systems like ClickHouse to power low-latency insights for a large crypto social network.
Senior blockchain developer building Web3 apps with Ethereum/Solana/Solidity smart contracts and modern JS/TS stacks for fast-paced startups.
Build and maintain high-volume blockchain transaction infrastructure, wallet systems, and cross-chain integrations for a regulated crypto payments platform.
Senior full-stack developer matching with startups; builds web apps using Python, React, and cloud platforms (AWS/GCP/Azure) in a remote, client-facing marketplace role.
Senior Mobile QA Engineer builds and improves testing processes for a non-custodial crypto wallet app (iOS/Android) handling Bitcoin, Ethereum, Solana and more, ensuring security and reliability for millions of users.
Design, build, and scale global payment rails covering traditional and crypto/stablecoin infrastructures, collaborating cross-functionally to deliver secure, seamless experiences.
Builds and integrates Web3 components for Citi’s digital asset platform using Java, Solidity, and blockchain protocols like Ethereum and Hyperledger Besu.
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.
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