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Build a high-performance blockchain backend in Rust, integrating zero-knowledge proofs, homomorphic encryption, and AI-driven optimization for a Web3 platform targeting enterprise adoption.
Senior backend engineer building and scaling the infrastructure for a multichain yield platform in the crypto/Web3 space, integrating with smart contracts and EVM networks.
Lead backend engineer building scalable Python/Django systems for a Web3 energy startup that tokenizes clean-energy assets using smart contracts and DeFi integrations.
Senior Backend Engineer – Finapps/Access Location: Warszawa, Masovian Voivodeship, Poland Department: R&D The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new…
Professional Services Engineer Location: Tel Aviv-Yafo, Tel Aviv District, Israel Department: Customer Operations The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new…
Designs and maintains risk models for a decentralized perpetuals exchange, calibrating parameters like funding rates and position limits to balance safety and capital efficiency.
Develops backend services and smart contracts for decentralized finance applications using blockchain technologies and AWS.
Design and build a blockchain-based payment platform enabling AI and machines to transact autonomously using stablecoins and smart contracts.
Lead a backend engineering team building real-time APIs and microservices for a Web3 fintech platform that bridges traditional finance with decentralized systems, using NestJS, Kafka, gRPC, and time-series databases.
Build and maintain a secure, high-performance Android app for a crypto-native banking platform using Kotlin, Jetpack Compose, and modern architecture patterns.
Builds secure, user-friendly web interfaces for Ethereum blockchain tools like explorers and bridges, integrating with DeFi applications while collaborating with cross-functional teams.
Build high-performance Rust components for a next-gen blockchain platform, integrating cryptography, zk-proofs, and AI-driven optimizations to power scalable Web3 infrastructure.
Designs and leads the architecture of blockchain-based tokenization platforms for real-world assets, digital securities, and institutional custody workflows, integrating Web3 technologies with traditional financial systems.
Leads security for a regulated crypto trading and custody platform, owning MPC key management, wallet architecture, and blockchain-specific controls while partnering with central security teams on cloud, appsec, and incident response.
Builds and maintains the core infrastructure for a prediction-market derivatives platform, ensuring precise reconciliation of collateral, vault balances, and on-chain positions while handling high concurrency and failure recovery.
Expert Full Stack Engineer builds secure, scalable web and blockchain-based wallet infrastructure and developer tooling for fintech and Web3 clients using React, TypeScript, Node.js, and optionally Solidity.
Builds and scales full-stack web applications for a fintech/Web3 platform used by major banks and brands, focusing on secure wallet infrastructure and developer tooling.
Audit blockchain/digital-asset systems at Goldman Sachs, assessing controls, risks, and compliance for crypto products and infrastructure.
Analyzes blockchain transactions and open-source data to detect illicit finance and attribute digital identities for financial institutions and regulators using Python, SQL, and OSINT techniques.
Senior Software Engineer at OP Labs building the OP Stack, a Rust-based blockchain protocol powering Ethereum Layer 2 networks and enterprise chains, with a focus on consensus-client infrastructure and protocol upgrades.
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