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3,145 Crypto & Web3 jobs

Open tech roles at companies in crypto, blockchain and web3.

3.1K jobs
Block Backed by Sequoia
49 views 7 days ago

Staff iOS Software Engineer, Bitcoin

Open 29d North AmericaStaff 10 questions 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
Bay Area, CA

Staff iOS engineer on Block's Bitcoin team, owning architecture and delivery of bitcoin, stablecoin, and non-custodial wallet features across Cash App, Square, and Bitkey. Hands-on work in Swift, SwiftUI/UIKit, Objective-C, Bazel, plus mentoring and AI-assisted development.

AI Android Bazel CI/CD iOS +7 skills
264K – 395K $
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Tower Research Capital
41 views 7 days ago

Information Security Engineer III

Open 146d HybridAPAC 6 questions 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.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
India
Gurgaon

Develops and maintains automated security solutions (Python/Bash) to harden Tower’s trading infrastructure, troubleshoot enterprise security tools (HashiCorp Vault, SIEM, EDR), and lead threat assessments for fintech/crypto environments.

Authentication Bash Blockchain Cloud Cloud Security +23 skills
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Block Backed by Sequoia
92 views 7 days ago

Software Engineer, Privacy Engineering

Open 42d RemoteNorth America 10 questions 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
Bay Area, CA

Software engineer on Block's Privacy Engineering team, building internal services and infrastructure that protect customer privacy across Block's ecosystem (Square, Cash App, Afterpay, etc.), collaborating with product, security, and legal teams, mentoring engineers, and maintaining existing privacy tooling. Stack: Java, Kotlin, Linux, Terraform, AWS, MySQL.

AI AWS Data Governance Java Kotlin +3 skills
180K – 270K $
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DRW
48 views 7 days ago

Trade Systems Engineer

Open 144d North AmericaFull-time 3 questions Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Chicago

Supports DRW's proprietary trading systems day to day: keeping them healthy and available, resolving technical issues for traders and engineers, and helping onboard new desks. Core tech is Linux, networking fundamentals, and scripting (Python/Bash/PowerShell), with Docker/Kubernetes exposure, on a non-traditional weekend-inclusive shift.

Automation Bash DHCP DNS Docker +7 skills
85K – 125K $
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Block Backed by Sequoia
53 views 7 days ago

Data Scientist, Payments

Open 41d North AmericaInternshipIntern 10 questions 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
Bay Area, CA

Early-career data scientist at Block working on payments data across Square and Cash App — partnering with Product, Engineering, Finance, and Operations to measure and optimize payment success rates, cost efficiency, and risk, while building ETL pipelines, dashboards, ML models, and AI-powered data tooling on cloud infrastructure. Core tech: SQL, Python, AI tools.

AI Cloud Data Science ETL Machine Learning +2 skills
95K – 168K $
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Block Backed by Sequoia
71 views 7 days ago

Software Engineer, Cash App Taxes

Open 64d North America 10 questions 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
New York, NY

Backend engineer on Cash App's Tax Engine Server team, building and owning the systems that power tax filing — from federal/state form logic to e-file submission — by translating complex tax rules into clean, well-tested code. Stack includes Java/Kotlin, SQL, GCP/AWS, gRPC, and AI coding agents.

AI AWS Cloud Datadog GCP +11 skills
153K – 270K $
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Block Backed by Sequoia
39 views 7 days ago

Senior Data Scientist, First Line Risk

Open 30d North AmericaSenior 10 questions 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
Bay Area, CA

Senior Data Scientist on Block's First Line Risk team building control performance monitoring for financial products: defining risk metrics and KPIs, turning analyses into automated monitoring modules, and partnering with risk, compliance, product, and engineering. Core stack is Python and SQL with strong statistics, plus visualization, LLMs, and data warehouses like Snowflake/BigQuery.

AI Anomaly Detection BigQuery Data Quality Data Science +11 skills
198K – 297K $
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WhiteBIT
34 views 7 days ago

Senior Product Manager (Сrypto Card)

New EuropeContractSenior 2 questions
Ukraine
Ukraine/Europe

Senior Product Manager owning WhiteBIT's crypto card and payments product — card, transfers, Earn, savings, cashback and loyalty. Day to day: launching card features in new countries, managing issuers and payment schemes, owning unit economics and P&L, and leading a small product team (2 PMs, 1 designer).

Analytics Blockchain Fintech SQL Web3
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Fanaticsfbg
55 views 7 days ago

Senior Product Manager, Prediction Markets

New UKFull-timeSenior
United Kingdom
London

Senior Product Manager on Fanatics Markets, a new prediction market for sports, sports culture and crypto. Day to day you define, ship and iterate on trading products across the whole stack — perpetual futures, pro trading mode, decision tools and trader rewards — for a sports-first trader, in a small, flat, fast-moving team.

70K – 93K £
Extia
33 views 7 days ago

Data Engineer 100% Remote (España) - Remote

New Europe
Spain
Barcelona

Data engineer joining Keyrock's new Central Data Team to build streaming and batch pipelines for market, trading, and portfolio data, plus the lakehouse/time-series platform (Kafka, ClickHouse), data governance, and self-serve data tooling. Fully remote within Spain; heavy Python/SQL and infra-as-code experience required.

Agentic AI AI Analytics CI/CD ClickHouse +18 skills
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Coinspaid Dev
12 views last week

Principal QA Engineer

New Principal

Principal QA Engineer at Coinspaid Dev, an independent engineering unit that develops blockchain infrastructure. Fully remote QA role; the posting does not detail day-to-day duties, tools, or tech stack beyond blockchain.

Blockchain
Overdare
18 views last week

[OVERDARE] Senior DevOps Engineer

Open 146d APACSenior 6 questions
South Korea
Seoul

Senior DevOps Engineer responsible for building monitoring systems, CI/CD pipelines, and Kubernetes-based cloud services on a mobile UGC gaming platform powered by Unreal Engine 5, generative AI, and blockchain.

AI Argo CD AWS Azure ChatGPT +17 skills
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Overdare
13 views last week

[OVERDARE] UGC Game Engineer

Open 146d APAC 6 questions
South Korea
Seoul

Develops UGC games on Overdare's internal engine, reviews and tests engine features, and structures and deploys code for AI and creators. The role focuses on designing fun, engaging gameplay for a mobile UGC/sandbox platform built on Unreal Engine 5, generative AI, and blockchain-based C2E transactions.

AI Lua
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Overdare
13 views last week

[OVERDARE] Technical Product Manager (TPM)

Open 107d APAC 6 questions
South Korea
Seoul

Designs and evolves the in-game creation tools, systems, and APIs for a mobile UGC game platform using Unreal Engine 5 and generative AI, enabling creators to build and monetize interactive content.

AI API Claude Code LangChain LLM
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Overdare
14 views last week

[OVERDARE] Product Owner (PO)

Open 33d APAC 6 questions
South Korea
Seoul

Product Owner for OVERDARE Studio, the AI-agent-powered UGC game-creation tool of a mobile UGC platform (built on Unreal Engine 5 with an NFT/blockchain-based Create-to-Earn system, a KRAFTON x NAVER Z venture). Day to day: set goals and roadmaps, run sprints, manage release scope and risk, and use AI to improve how the team works.
Overdare
8 views last week

[OVERDARE] Senior Technical Artist

Open 23d APACSenior 6 questions
South Korea
Seoul

Senior Technical Artist for Overdare, a mobile UGC game-creation platform built on Unreal Engine 5 and generative AI. The role defines device tiers and performance budgets, profiles art assets on real low-end Android devices, sets art production specs, and operates UE scalability/device profiles to balance visual quality and performance.

AI C++ GPU Python Unreal Engine
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Alfa-Bank
31 views last week

Технический Product Owner направления цифровых прав

New CIS
Russia
Москва

Technical Product Owner at Alfa-Bank leading its digital rights direction on public blockchains: shaping strategy and roadmap, managing backlogs of internal IT teams, and coordinating APIs and integrations for the A-Token platform that issues and manages digital rights. Works hands-on with smart contracts, blockchain transactions, wallets, and Agile delivery.

Agile AI API Confluence Jira +3 skills
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Jobgether
141 views last week

Senior UX Researcher, Quantitative

New RemoteNorth AmericaSenior No extra questions
United States

Senior quantitative UX researcher owning the research intake and roadmap for a growing portfolio of financial products at a crypto-native, remote-first company — running surveys, MaxDiff/conjoint studies, segmentation, measurement scales, and human-evaluation frameworks for AI-assisted features using Qualtrics, R/Python, and applied statistics.

AI Cryptocurrency Data Quality Data Science Data Visualization +6 skills
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Jobgether
165 views last week

Deployment Strategist, Public Sector

New RemoteEurope, UK No extra questions
+2

Post-sales customer success role owning onboarding, adoption, and retention for a portfolio of EMEA public sector customers (law enforcement, regulators) using blockchain/crypto-crime intelligence solutions. Day to day: account health monitoring, QBRs, renewal support, and building production AI-powered workflows with tools like Salesforce, ChurnZero, and Gong.

AI Analytics Automation Blockchain ChurnZero +7 skills
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Hydra X
26 views last week

Blockchain Specialist

New On-siteAPACContract
Singapore
Raffles Place, Central Region

Blockchain Specialist at Hydra X owns the ledger-layer design across public and permissioned networks (Canton priority, plus EVM), modelling instruments and lifecycle events on-chain, designing cross-ledger settlement (DvP/PvP), and setting node/validator operations. Needs 8+ years engineering with 4+ years in production distributed ledgers and strong capital markets knowledge.

Blockchain Ethereum EVM Java Python +6 skills
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