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Builds and maintains secure, scalable backend systems that route and execute blockchain transactions for major financial institutions and Web3 companies, working across EVM and non-EVM chains.
Build and integrate Web3 components for Citi’s Digital Assets Platform, including smart contracts, blockchain protocol connectors, and on-chain event listeners using Solidity, Java/Spring, and Node.js.
Leads system analysis for an Ethereum-based tokenization platform, gathering requirements, modeling dApp architecture, and drafting technical specs for RWA compliance workflows.
Build and run the Kubernetes-based infrastructure that powers Circle’s blockchain platform, including full nodes for Arc, Ethereum, Solana, and Base, while automating deployments and reliability with Terraform, CI/CD, and AI-driven tooling.
Designs user interfaces and experiences for Web3 finance products and decentralized applications on Injective’s blockchain platform.
Designs intuitive web and mobile interfaces for DeFi products, collaborating with engineers and product teams to create user-centric financial applications on Injective’s blockchain.
Build and operate the Go-based platform that issues, wraps, and reconciles tokens across Ethereum, Base, and Solana, including flagship assets like cbBTC.
Build and scale backend services in Go for Coinbase’s financial data platform, ensuring accurate, auditable financial operations and supporting critical workflows like month-end close and reporting.
Builds scalable backend systems for Coinbase’s growth tools (e.g., referral programs, notifications, onboarding), bridging blockchain and web-scale tech to drive user acquisition and retention globally.
Design, deploy, and maintain zero-knowledge rollup infrastructure for Ethereum, focusing on robust data feeds and on-chain oracles.
Lead solutions analysis for fintech programs, translating business needs into technical solutions using data analytics and AI-assisted workflows.
Senior engineer building secure blockchain integrations, smart contracts, and multi-chain APIs using Node.js, TypeScript, and React to power a crypto platform.
The 4 biggest blockchain strengths are also its weakness Permissionless nature leads to fragmentation of meaning Decentralization leads to too many standards Immutability leads to exponential data + query…
Principal blockchain engineer building secure dApps, smart contracts, and crypto payment systems for a crypto-focused sports betting platform using Ethereum, Solana, and Rust.
Build secure, scalable blockchain solutions using Solidity, Ethereum, and dApps; integrate enterprise systems and optimize performance.
Senior developer builds and integrates crypto infrastructure, focusing on stablecoin products and DeFi integrations for a Canadian fintech leader.
Lead the architecture and development of post-trade data systems at a global crypto exchange, ensuring real-time and historical data processing, scalability, and security while mentoring a small engineering team.
Builds and maintains full-stack web applications using React.js for the frontend and Python (FastAPI) for backend APIs, with cloud deployment and AI integrations.
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 – 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…
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