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Legend Labs, Inc. Backed by a16z
4 views last week

Senior Frontend Engineer

HybridNorth AmericaSenior
United States

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
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IFT
14 views last week

DevOps Engineer (Vac DST)

RemoteWorldwide

DevOps engineer on the IFT Technical Services Distributed Systems Testing team supporting the Logos blockchain/P2P stack: designs and runs large-scale Kubernetes clusters for benchmarking distributed systems, maintains observability stacks (Grafana, Prometheus, Loki), automates infrastructure with IaC tools, and debugs distributed workloads, scripting mainly in Python.

Ansible Blockchain Cloud Containerization DevOps +13 skills
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Coinbase Backed by Y CombinatorBacked by a16zBacked by GreylockBacked by Union Square Ventures
12 views last week

Senior Machine Learning Engineer, CX

RemoteNorth AmericaSenior 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

Senior ML Engineer on Coinbase's CX Intelligence Engineering team designs and builds AI-powered customer support systems: multi-agent LLM frameworks, chatbots, agent assist, and copilot tools that scale to millions of interactions. Core stack: Python, LLMs, LangGraph, Vertex AI/AWS Bedrock.

AI Automation AWS AWS Bedrock Conversational AI +9 skills
191K – 225K $
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Lawrence Harvey
3 views last week

Quant Developer, Rust

North America
United States

Joins a venture-backed startup's core engineering team to design and build ultra-low-latency quantitative trading infrastructure in Rust, integrating centralized and decentralized exchange APIs and optimizing critical execution paths while working directly with the founders.
Kinsei Talent
46 views last week

Frontend Developer ReactJS/NextJS

RemoteEuropeFull-time
Portugal

Frontend developer building complex, high-performance web apps with ReactJS/NextJS (plus GraphQL, Node.js) for an NFT marketplace serving luxury brands. Day to day: shipping polished product features with Product/UX and engineers, using experimentation to tune performance, and mentoring other web engineers at a remote-first crypto startup.

Agile API AWS Blockchain Cryptocurrency +19 skills
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Nextweb Talent
13 views last week

Rust Engineer (Blockchain) | Remote EU

RemoteUK
United Kingdom

Remote (EU-only) Rust engineer working on core blockchain infrastructure: diving into complex protocols, designing and documenting distributed systems, developing protocol-driven applications in Rust, and building testing/QA processes while collaborating with clients and open-source communities.

Blockchain Distributed Systems Rust
80K – 120K €
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Kinsei Talent
10 views last week

Lead Software Engineer

RemoteNorth AmericaContractLead
United States

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
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TRM Labs Backed by Y Combinator
14 views last week

Deployment Strategist, Public Sector (Law Enforcement)

Open 112d RemoteNorth AmericaFull-time Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.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

Deployment Strategist who serves as trusted advisor to state, local, campus, and federal law enforcement customers using TRM Labs' blockchain intelligence platform — running onboarding and investigative training, supporting active investigations into money laundering and fraud, and relaying customer needs to Product. Fully remote (US) role requiring blockchain analysis experience and applied AI fl

AI Blockchain ChatGPT Slack
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Nextweb Talent
6 views last week

Blockchain Marketing Manager

RemoteUK
United Kingdom

Leads go-to-market marketing for a Bitcoin Rollups crypto/Web3 project through its token sale (ICO) and major exchange listing: building the marketing plan, creating content, running PR, influencer and community outreach, hosting events, tracking KPIs, and managing budget and agencies. Requires 5+ years in digital marketing, ideally crypto.

Blockchain Community Management Content Marketing Go-to-Market Web3
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Wynd Labs
17 views last week

Product Manager

RemoteNorth AmericaFull-time
United States

Hands-on technical Product Manager at Wynd Labs (the team behind the Grass bandwidth-sharing network) who defines the roadmap and drives web-data infrastructure and AI dataset products from concept to launch in a lean, fully remote team. Requires strong grounding in APIs, data systems, and distributed architectures, plus a schedule overlapping EST business hours.

AI API Data Pipelines Machine Learning
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consensys Backed by Union Square VenturesBacked by SoftBank Vision Fund
15 views last week

Senior Manager, Application Security

RemoteEuropeContractSenior 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.

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 Application Security Authentication +20 skills
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Block Backed by Sequoia
7 views last week

Engineering Manager - Finance & Supply Chain Engineering

North America 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

Engineering Manager at Block leading a mostly greenfield team building financial and supply-chain systems (record-to-report automation, planning/forecasting, tax/regulatory reporting) with agentic AI workflows, partnering with Finance, Accounting, Tax, and Compliance. Stack includes Go, Ruby/Rails, React, MySQL, Snowflake, AWS, and Temporal.

Agentic AI AI Aurora Automation AWS +20 skills
180K – 270K $
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Kraken
11 views last week

Senior Security Engineer - xStocks

RemoteEuropeFull-timeSenior
Poland

Hybrid security + engineering role on Kraken/Payward's xStocks team: own smart-contract audits, pentest web apps and on-chain components, harden custody/signing workflows, and respond to incidents, while also shipping regular TypeScript product work. Stack spans TypeScript/Node.js, EVM, Solana, TON, and Tron.

API Automation AWS Blockchain Cloud +15 skills
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Lygos Backed by Y Combinator
30 views last week

Founding Engineer

RemoteLATAM, North AmericaContract

Founding full-stack engineer (first engineering hire) at Lygos, a startup building Bitcoin-collateralized lending using Discreet Log Contracts. Day to day you'd build TypeScript/Node.js backend services, oracle and watchtower infrastructure, Bitcoin/DLC and PSBT integration, and optionally contribute to a React Native app.

Agile AWS Blockchain Cloud Containerization +15 skills
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Kraken
8 views last week

Software Engineer - Java - CF Benchmark

RemoteLATAMFull-time
Brazil

Java backend engineer on Kraken's CF Benchmarks Index Team, building and maintaining regulated cryptocurrency index/benchmark calculation systems. Day to day: implement new financial benchmarks, develop features end to end, and support a 24/7 real-time distributed system with tests, metrics, and alarms.

Analytics Blockchain CI/CD Cryptocurrency Data Analytics +6 skills
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Siza-Buso Consulting
22 views last week

Senior Backend Engineer -Europe

RemoteEuropeSenior
Germany

Senior Backend Engineer owning payment infrastructure — payment orchestration, merchant APIs, and settlement flows — for onchain payments at scale. Day to day: design, build, and operate production payment services primarily in Rust and TypeScript, while owning your own AWS/Terraform infrastructure on a remote, async team across Europe.

AI API AWS Cloud Cloud Native +6 skills
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Resource Consultants, Inc.
8 views last week

Senior Rust Developer ( Blockchain )

RemoteNorth AmericaSenior
United States

Senior Rust developer on a blockchain team building in the Polkadot ecosystem with the Substrate framework (compiling to WebAssembly). Day to day: designing efficient data structures, defining dapp-facing APIs, optimizing and unit-testing the Rust blockchain codebase, remotely worldwide.

API Automation Blockchain Prototyping Rust +1 skills
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Coinbase Backed by Y CombinatorBacked by a16zBacked by GreylockBacked by Union Square Ventures
10 views last week

Manager, GRC

Open 55d RemoteNorth America 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

Coinbase is hiring a Manager, GRC to lead its Technology Risk & Controls team, managing analysts and providing second-line advisory coverage across technology and security domains like disaster recovery, SDLC, AI, identity and access management, and supply chain. The role combines people management with hands-on risk assessment, control design review, and partnering with engineering leaders to mak

AI Cybersecurity Generative AI IAM SDLC
194K – 228K $
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Bitcoin.com
7 views last week

L2 Software Engineer - Web

HybridAPACSenior
Japan

Senior web engineer at Bitcoin.com designing and shipping features for its high-traffic crypto content and onboarding sites. Day-to-day: TypeScript/React/Next.js development, headless CMS tooling, performance/SEO work, and owning hosting/delivery on Vercel, AWS, or Cloudflare, working AI-first from a Tokyo office 3 days a week.

Accessibility AI Analytics API AWS +19 skills
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Polymarket Backed by Founders Fund
7 views last week

Staff Backend Engineer

Open 10d On-siteNorth AmericaFull-timeStaff
United States

Staff Backend Engineer at Polymarket, the world's largest prediction market platform, owning critical backend systems end to end — exchange/trading, consumer platform, or fraud/abuse prevention. Day-to-day is designing and shipping fast, correct services mainly in Go, operating them at scale, and mentoring engineers.

API AWS Distributed Systems Express.js Fintech +7 skills
250K – 400K $
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