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Blockchain Ethereum Cryptography Developer (Internship/Apprenticeship)
Work on Ownest's blockchain infrastructure by optimizing encryption and anonymization, implementing signed-data verification scripts, refactoring Solidity smart contracts, supporting migration to Matic Network, and…
Software Engineer (Smart-contracts)
You will design, implement and deploy smart contracts that power core protocol features. You will build privacy and validation components, integrate open source protocols such as DEXs, bridges and DIDs, maintain…
Senior Back-end Software Engineer
Design scalable payment solutions, build and maintain back-end services and APIs, integrate external payment systems and providers, work with crypto protocols and smart contracts, and help deploy and operate reliable…
Product Manager Police Platform
Lead enhancement of BridgeAI's blockchain security analysis platform by designing solutions, addressing security challenges, collaborating cross-functionally, and mentoring junior team members. Responsibilities Design…
Smart Contract Security Analyst
You will analyze BNB Chain tokens and smart contracts for vulnerabilities. You will design and implement innovative blockchain security solutions, identify and address security challenges, stay up-to-date with…
Senior Technical Product Manager
Senior Technical Product Manager, Hardhat & EDR Who we are The Nomic Foundation is a non-profit advancing the Ethereum ecosystem. We build open-source runtimes, compilers, build systems, and deployment solutions that…
Fullstack Product Engineer
Who we are Paxos Labs builds enterprise infrastructure that powers the next generation of trusted onchain financial products. We work with the largest financial enterprises in the world to build transparent and…
Solutions Architect
Blockstream was founded in 2014 by Dr. Adam Back and a group of fellow cryptographers and engineers who are passionate about Bitcoin and its potential to change the world. Today, Blockstream is the leading Bitcoin…
Junior Solutions Architect
Blockstream was founded in 2014 by Dr. Adam Back and a group of fellow cryptographers and engineers who are passionate about Bitcoin and its potential to change the world. Today, Blockstream is the leading Bitcoin…
Senior Engineering Manager, Dev Tools
Senior Engineering Manager, DevTools Who we are The Nomic Foundation is a non-profit advancing the Ethereum ecosystem. We build open-source runtimes, compilers, build systems, and deployment solutions that are used by…
Senior QA Engineer (Web3 Applications & Infrastructure)
You will lead manual quality assurance for Web3 and platform features across multiple environments. You will validate blockchain interactions, wallets, smart contracts, APIs, transaction flows, and on-chain/off-chain…
Senior QA Engineer (Web3 Applications & Infrastructure)
ABOUT YOU We are looking for a Senior QA Engineer with strong Web3 experience to join our engineering team. You are meticulous, technically sharp, and deeply curious about decentralized technologies. You understand the…
Solana Blockchain Engineer
Design, implement, deploy, and monitor the DOMA Protocol connecting DNS and Web3 naming systems. Develop Solana programs and core platform APIs, implement backend services interfacing with Solana and DNS…
Senior Full Stack Engineer
Design and develop high-performance web applications with an emphasis on frontend development and real-time data integrations. Contribute to backend services, APIs, user experience, and blockchain smart contract…
Software Engineer - EVM
About the Company Rain is the global stablecoin payments platform for enterprises, neobanks, platforms, developers, and AI agents. Our technology allows partners to move, store, and use stablecoins instantly and…
Security Engineer, Product Security
You will design and advise on secure and scalable architectures, assist teams with secure implementations, and develop new systems and features that protect products. You will build security tools and controls deployed…
Backend Developer
Design, build, and maintain backend systems and APIs using Nest.js and Next.js; develop Solidity smart contracts and integrate them with decentralized applications; operate CI/CD and cloud infrastructure; administer…
Head of Engineering
Lead the engineering organization, design and evolve the technical architecture, and drive the rollout of account abstraction smart contract wallets and middleware. Build middleware and frontends for web and mobile,…
Smart Contract QA Engineer, Atlas Oracle
Core Responsibilities: - Design and implement automated testing frameworks for oracle smart contracts, covering unit tests, integration tests, and end-to-end tests. - Develop and execute security test cases, focusing…
Blockchain Security Expert - Security Audit Track
You will perform end-to-end security services for blockchain systems, focusing on audits, reviews, verification, and testing of smart contracts, protocols, and infrastructures. You will conduct manual code reviews…