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568 jobs

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568 jobs Posted Sort

Senior Manager, Application Security

NewBe an early applicant RemoteAfrica, Europe, MENAContractSenior

Lead MetaMask's application security team across browser extensions, mobile apps, backend services, and smart contracts: set strategy and OKRs, manage a senior team, run threat modelling, secure code reviews, vulnerability management, bug bounty and pen testing, and strengthen the secure development lifecycle. Core stack includes TypeScript, JavaScript, Go, and Solidity.

Agentic AI AI API Authentication CI/CD +16 skills

ARUKAH CAPITAL PTE. LTD.

Senior Blockchain Engineering

NewBe an early applicant APACContractSenior

The Mission Arukah Capital is scaling the next gigaton of carbon removal by integrating industrial biochar and biogas production into global agrifood supply chains with tamper proof digital infrastructure and high…

AI Blockchain CDK Data Ingestion Data Pipelines +9 skills

Senior Backend Engineer, Blockchain Infra, Scalable Equity

NewBe an early applicant UKSenior

Rhinestone is hiring a Senior Backend Engineer in London to design the orchestration layer for its Omni Account off-chain infrastructure — a secure backend handling thousands of requests per second and coordinating solvers, locks, and security checks. The stack is Rust/Node/TS alongside Solidity smart contracts.

Rust Solidity TypeScript

Galaxy Digital Services

Off-Cycle Fall 2026 Cybersecurity Internship

NewBe an early applicant RemoteNorth America, UKInternshipIntern

Remote fall 2026 cybersecurity internship on Galaxy Digital's Product Security team: help develop and refine secure engineering standards (authentication, secure APIs, web UI security, secure coding) and build supporting libraries for engineering teams. Requires programming in Python/Rust/C++/Solidity, crypto knowledge, and LLM tooling experience. Pays $55/hr, open to students in the UK or US.

AI API Authentication Claude Code C++ +9 skills

55 – 55 $ / hr

Galaxy Digital Services

VP, Senior Backend Developer - Blockchain Infrastructure

NewBe an early applicant On-siteUKFull-timeC-level

Hands-on VP-level backend engineer at Galaxy Digital building blockchain infrastructure and staking products on Ethereum — APIs, data pipelines/indexers, validator integrations, and observability. Core stack is Golang on AWS/Kubernetes (Helm, GitOps), with mentorship and architecture work in a hybrid London team.

AI API Api Design Automation AWS +19 skills

Circle Internet Management Services LLC

Software Engineer II - Blockchain

NewBe an early applicant RemoteAPACFull-time

Backend software engineer on Circle's blockchain team, building shared infrastructure that connects Circle products to 40+ blockchain networks — multi-chain transaction construction, account access, indexing, and notifications — using Go, REST APIs, SQL, and cloud tooling (AWS/GCP/Azure, Kubernetes, Docker). English and Mandarin required.

AI API Api Design AWS Azure +12 skills

Cloud Counselage Pvt Ltd

Blockchain (Web3) Team Lead

NewBe an early applicant RemoteAPACContractLead

Leads a team of blockchain engineers, setting technical direction and overseeing design, development, and deployment of smart contracts, dApps, and Web3 protocols. Core stack includes Solidity/Rust/Go, JavaScript and React front ends, and tooling like Truffle, Hardhat, and Remix.

Blockchain CSS DeFi Design Patterns HTML +8 skills

Cloud Counselage Pvt Ltd

Jr. Blockchain (Web3) Engineer

NewBe an early applicant RemoteAPACJunior

Junior Blockchain/Web3 Engineer who designs, develops, and deploys smart contracts and dApps on platforms like Ethereum, BSC, and Polkadot, integrates DeFi protocols, and builds front-ends with React/Web3.js. Remote/hybrid/in-office in India; 1-2 years of blockchain experience required.

Blockchain CSS DeFi Ethereum EVM +9 skills

Protocol Architect

NewBe an early applicant RemoteNorth AmericaContract

Blockchain Protocol Architect, globally remote, working directly with a co-founder/CTO to design node software for spinning up standalone private/public blockchains and next-gen interoperability for a leading Web3 ecosystem. Core stack: Go and Solidity, with protocol-level, distributed-systems and ZKP expertise.

Blockchain Microservices Smart Contracts Solidity Web3

Backend Developer Web3 - London / Remote

NewBe an early applicant RemoteUKContract

Senior backend developer for an early-stage, well-backed decentralised crypto project building a greenfield blockchain data protocol pre-launch, working closely with the CTO and CPO. Core stack: Solidity, Golang, Protobuf, Cosmos SDK, MongoDB/MySQL; remote role, must be based in UK or Europe.

API Blockchain DeFi Go MongoDB +6 skills

DE - AE - DAML Plus Blockchain - Manager - GDSF04

NewBe an early applicant

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and…

Agile Angular AWS Azure Blockchain +22 skills

FSO, Tech Consulting - FinTech - Blockchain and AI Engineering - Manager

NewBe an early applicant HybridLead

Location: New York, Boston At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY…

Agile AI Ansible API Blockchain +31 skills

Consulting - Tech Consulting - FinTech - FSO, Blockchain and AI Engineering - Senior

NewBe an early applicant HybridSenior

At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better…

Agile AI Ansible API Blockchain +25 skills

DE-AE-DAML plus Blockchain-Senior-GDSF04

NewBe an early applicant Senior

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and…

Agile Angular API AWS Azure +19 skills

DE-AE-DAML-Blockchain-Senior-GDSF04

NewBe an early applicant Senior

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and…

Agile Angular API AWS Azure +19 skills

Powered by Pioneer

Developer Relations Intern

NewBe an early applicant RemoteWorldwideInternshipIntern

Internship on BNB Chain's global Developer Relations team: engaging and growing the developer community, organizing hackathons and events, creating technical tutorials and content, and supporting developers building on the blockchain. Relevant tools include Solidity, Web3.js, and smart contract platforms.

AI Blockchain Community Management DeFi Developer Experience +5 skills

8 – 16 $ / hr

Legend Labs, Inc.

Senior iOS Engineer

NewBe an early applicant HybridNorth AmericaFull-timeSenior

Senior iOS Engineer at Legend Labs building high-end, user-facing iOS experiences for a Web3/DeFi product that simplifies access to protocols like Morpho, Aave, and Uniswap. Day to day: lead long-term technical direction, maintain the design system and component library, collaborate with Product/Design/Engineering, and mentor other engineers.

Accessibility DeFi ethers.js iOS Solidity +1 skills

Legend Labs, Inc.

Senior Frontend Engineer

NewBe an early applicant HybridNorth AmericaFull-timeSenior

Senior Frontend Engineer at Legend Labs, a 2024-founded Web3/DeFi startup in San Francisco: lead technical direction for scaling user-facing web products, maintain the design system and component library, and mentor engineers on a small hybrid team. Bonus tech: Swift, web3.js/ethers.js, Solidity.

Accessibility DeFi ethers.js Solidity Swift +1 skills

Lead Software Engineer

NewBe an early applicant RemoteNorth AmericaContractLead

Lead Software Engineer for a decentralized (DeFi) trading platform incubated at Wintermute. You lead the engineering team, design front-end/back-end architecture, ship full-stack web3 apps in TypeScript/Python, build EVM smart contracts (Solidity/Foundry), and refine DevOps practices.

API AWS Blockchain DeFi DevOps +11 skills

Senior Manager, Application Security

NewBe an early applicant RemoteEuropeContractSenior

Lead application security for MetaMask at Consensys: set AppSec strategy and OKRs, manage a small senior team, and stay hands-on with threat modelling, security code review, supply-chain controls, and vulnerability/bug-bounty programs across the wallet extension, mobile app, Snaps, backend services, and EVM smart contracts. Core tech: TypeScript/JavaScript, Go, Solidity, npm, CI/CD.

Agentic AI AI API Authentication Blockchain +17 skills