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Principal Software Engineer at DriveWealth builds and maintains the Web3 platform, integrating blockchain networks and digital asset services for a global fintech company.
Senior developer building full-stack web apps with React and Ruby for fast-paced startups, handling architecture and client communication remotely.
Senior Software Engineer, Block Production - Anza Who We Are Anza is a Solana R&D lab pushing the boundaries of blockchain performance and scalability. Anza was founded by experienced executives and core engineers…
Design, implement, and optimize block production, scheduling, and verification mechanisms for the Solana network, improving scalability, security, and performance while maintaining shared-memory interfaces, documenting…
You will join a curated network of freelance blockchain engineers and contribute your expertise to client projects. You will focus on engineering work while project structure, client relationships, sales, and contracts…
Builds and scales a blockchain data platform that ingests petabytes of on-chain data and enables fast SQL queries, using Kotlin, Go, Java, and Rust.
Lead the design and implementation of secure, compliant crypto infrastructure in Palo Alto, focusing on cryptographic systems, blockchain protocols, and financial regulation for Nu's global expansion.
Overview CoinTracker is on a mission to unlock everyone's financial potential so they can build the life they want. We started with crypto, building the tax and portfolio tools trusted by millions to make digital…
Senior AI Engineer builds and deploys AI-powered solutions for startups, focusing on Python, vector databases, LangChain, LLMs, and RAG systems.
Develops and maintains backend services for a crypto wallet app, focusing on scalable APIs, databases, and cloud deployments using Node.js, PostgreSQL, and cloud platforms.
Senior backend engineer building scalable, secure Web3 services for wallet operations, asset transfers, and blockchain integrations using Java, Spring Boot, and Kafka in a regulated fintech environment.
Build transaction parsing, validation, and broadcasting infrastructure for blockchain protocols using Go. Work involves developing crypto libraries, writing technical documentation, and scaling engineering infrastructure.
Design, implement, and maintain crypto exchange & payment processor integrations. Build internal services for trade aggregation, liquidity management, and risk monitoring. Collaborate with teams to deliver end-to-end crypto spending experience.
Project Description: We need a freelance Blockchain Developer for a defined project to build smart contracts, integrate ZK proofs, and implement cross-chain settlement for a multi-chain protocol. This is a fixed-scope…
Are you ready to make an impact at DTCC? Do you want to work on innovative projects, collaborate with a dynamic and supportive team, and receive investment in your professional development? At DTCC, we are at the…
WHO WE ARE Founded in 2012, 3iQ is one of the world's leading alternative digital asset managers, pioneering institutional-grade investments. 3iQ launched the world’s first Digital Assets Managed Account Platform…
Hi! We're Mercuryo , and we're on a mission to redefine finance by blending the best of traditional banking with the power of decentralized finance (DeFi). We believe everyone deserves seamless access to Web3…
Ready to do the most impactful work of your career? At Coinbase, we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a…
Required Hard Skills 8+ years of Software Engineering experience Strong commercial experience with Node.js Strong experience with TypeScript (strict mode) Strong experience with React + TypeScript Experience with…
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