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phantom Backed by a16zBacked by SequoiaBacked by Lightspeed
11 views last month

Staff Product Security Engineer (Security)

Open 30d RemoteNorth AmericaContractStaff
United States

Staff product security engineer on Phantom's security team doing offensive security for its self-custodial crypto wallet: running security assessments, finding and mitigating vulnerabilities in web/mobile apps via manual testing, automated tools and threat modeling, writing PoCs and reports, and joining incident response. Core focus: JavaScript/TypeScript, blockchain, cryptography.

AI API Authentication Automation AWS +14 skills
200K – 250K $
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mystenlabs Backed by a16zBacked by Lightspeed
12 views last month

Software Engineer, Partner Solutions (Greece)

Open 30d RemoteEuropeContract H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Greece

Software Engineer on Mysten Labs' Solutions Engineering team (remote within Greece) building full-stack decentralized applications on the Sui blockchain. Day-to-day work spans TypeScript/React UIs, smart contracts in Move (training provided), AI-assisted development, and porting partner solutions to Sui.

Agentic AI AI Blockchain Claude Code C# +15 skills
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silver
2 views last month

Agora - Senior Security Engineer

Open 30d RemoteLATAMContractSenior
Argentina

Senior Infrastructure Engineer at Agora, a stablecoin company (AUSD), building the internal developer platform: a TypeScript/Pulumi IaC codebase, Kubernetes runtime environments on AWS, and the observability/monitoring stack, so product teams can ship reliably and fast. Remote role based in Argentina with majority overlap with Eastern Time business hours.

AI API Api Security Argo CD Authentication +35 skills
150K – 200K $
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COMBUILDER PTE LTD
1 views last month

Backend Engineer

Open 30d APACContract

Responsibility The Backend Engineer is responsible for designing, developing, and maintaining scalable and secure backend services that power digital products. The role requires expertise in software engineering…

Agile API Api Documentation Apigee Authentication +52 skills
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Holitix
23 views last month

Blockchain Engineer

Open 30d RemoteContract

Blockchain Engineer Company: Holitix Employment Type: Full-time / Contract Location: Remote / Flexible About Holitix Holitix is a technology-driven company building innovative solutions across Blockchain, Web3,…

API Authentication Blockchain DeFi Ethereum +10 skills
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ING
11 views last month

Blockchain Engineer

Open 30d HybridMENAContract
Türkiye

Design the future architecture of one of Europe's most innovative banking networks while empowering engineers to do their best work. Role Summary We are looking for a Blockchain Engineer to join ING's Digital…

Agile API Api Design Automation Blockchain +22 skills
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ING
8 views last month

Blockchain Security Ops Engineer

Open 30d HybridMENAContract
Türkiye

As a Blockchain Security Ops Engineer , you will help design, implement, and secure ING’s digital asset technology capabilities. You will work on security-critical components such as wallet infrastructure, key…

Agile API Automation Blockchain CI/CD +24 skills
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ING Hubs
8 views last month

Blockchain Engineer

Open 29d HybridMENAContract
Türkiye

Design the future architecture of one of Europe's most innovative banking networks while empowering engineers to do their best work. Role Summary We are looking for a Blockchain Engineer to join ING's Digital…

Agile API Api Design Automation Blockchain +22 skills
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Gold Media Tech LLC
7 views last month

Senior Full-Stack Engineer, Web3 Trading Platform (Remote)

Open 31d LATAMContractSenior
Mexico

Location Remote (Mexico or Spain preferred) Must be fluent in English and Spanish About the Company Our client is building a next-generation platform that enables users to interact with real-world event markets through…

AI API Authentication AWS Blockchain +12 skills
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Morpho Labs
14 views last month

Product Manager Protocol

Open 30d RemoteEurope
France

You will shape product strategy and execution for core lending infrastructure. You will own and prioritize the protocol roadmap, conduct continuous user discovery, translate insights into product requirements, evaluate…

DeFi Fintech Smart Contracts
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Ethereum Institutional
6 views last month

Forward Deployed Engineer

Open 30d On-site

You will work directly with financial institutions to understand workflows and turn them into Ethereum-based solution opportunities. You will lead technical discovery, map integrations, design architectures, build…

Cloud Ethereum Fintech Python Smart Contracts +3 skills
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Soter Insure
1 views last month

Senior Underwriter

RemoteNorth AmericaContractSenior
United States

You will lead new-business and renewal underwriting for US digital-asset clients across six insurance lines. You will assess technical risks, quote and bind coverage, structure bespoke programmes, develop broker…

AI DeFi Risk Assessment Smart Contracts
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Aconomy Foundation
33 views last month

React Native Developer with Blockchain Integration Expertise

Open 33d Remote

Builds and maintains Aconomy's cross-platform mobile app for its decentralized real-world asset (RWA) marketplace, integrating blockchain features like wallets, smart contracts, and tokenization. Core stack: React Native, Web3.js/Ethers.js, Redux, Ethereum/BSC/Polygon, Expo/Firebase.

Agile Android API Authentication Blockchain +13 skills
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Aconomy Foundation
20 views last month

Senior Front-End Developer

Open 33d RemoteSenior

A Senior Front-End Developer builds and maintains responsive web UIs for Aconomy's Real-World Asset decentralized exchange, working with React, TypeScript, HTML/CSS and integrating Web3 technologies like blockchain APIs and smart contracts. The role also involves mentoring junior developers and shaping front-end architecture for performance and scalability.

Agile Angular API Blockchain CSS +9 skills
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Crypto Pro Network
10 views last month

Amsterdam Blockchain Backend Engineer - DeFi & Low-Latency

Open 33d HybridEurope
Netherlands

Build scalable, low-latency back-end systems for DeFi markets on Flow Traders' Digital Assets Technology team in Amsterdam, developing both on-chain and off-chain components such as smart contracts and market-making bots in close collaboration with trading desks. Core technologies include Python, Rust, Go, Java, and Solidity.

Blockchain DeFi Java Python Rust +2 skills
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ITviec Recruitment Consulting
3 views last month

Chief Architect/CTO (Banking)

HybridAPACC-level
Vietnam

Top 3 Reasons To Join Us The Job Our client is a prominent European-based technology consultancy with over 30 years of global expertise in digital transformation. They specialize in engineering next-generation core…

AI Automation CI/CD Claude Code Cloud +19 skills
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Soter
last month

Senior Underwriter - US or Bermuda

HybridNorth AmericaContractSenior
United States

The Opportunity The digital asset ecosystem is now a multi-trillion dollar market, and institutional adoption continues to outpace the insurance industry's ability to protect it. Only a small fraction of digital…

AI DeFi Penetration Testing Risk Assessment Smart Contracts +1 skills
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Folks Finance
11 views last month

Senior Backend Engineer - DeFi & Blockchain (Remote)

Open 33d UKContractSenior
United Kingdom

Folks Finance is hiring a Senior Backend Engineer to build backend services for its DeFi applications, spanning smart contracts, blockchain indexing, and API design. Day to day centers on NodeJS/TypeScript microservices, Solidity and GraphQL indexing, and AWS/DevOps in an agile, security-conscious team.

Agile API Api Design AWS Blockchain +8 skills
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mystenlabs Backed by a16zBacked by Lightspeed
12 views last month

Staff Product Designer, DeFi

Open 33d RemoteNorth AmericaContractStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

A hands-on design leader who owns end-to-end experience strategy for DeepBook, Mysten Labs' DeFi financial stack on Sui, covering spot trading, margin, prediction markets, and liquidity workflows. Day to day they lead core trading journeys themselves, build a design team and design system, and partner with product and engineering using design craft, research, and deep DeFi fluency.

Agentic AI AI Analytics Blockchain Business Development +7 skills
150K – 225K $
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injective-labs
27 views last month

Protocol Engineer

Open 127d RemoteWorldwideContract H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.

About Injective Labs Injective Labs is trailblazing a new dawn for Web3 enabled finance. We are the core contributors to Injective, one of the fastest growing blockchains in the industry. Injective provides an…

API Api Design Blockchain Cryptography DeFi +6 skills
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