Axiom is a financial technology enterprise that operates a high-speed cryptocurrency and decentralized finance (DeFi) trading platform. Headquartered in San Francisco, California, the company provides tools for spot trading, perpetual contracts, yield generation, and memecoin exchange across major blockchain networks, including Solana and Ethereum.
HQ: San Francisco, United States • Blockchain & Crypto • DeFi • 51-200 employees
$320k – $465k per year • In office (Austin, United States) • Full-Time
Rust
TypeScript
Databases
ClickHouse
PostgreSQL
Redis
Apache Kafka
Redpanda
DevOps
WebSockets
Web3
Ethereum
Solana
Fireblocks is a digital asset infrastructure company founded in 2018 and headquartered in New York. It provides institutional custody and transfer technology built on multi-party computation, together with a policy engine and a connected network of counterparties. Banks, exchanges, payment firms and asset managers use the platform to secure and move large volumes of tokenised value.
HQ: New York, United States • Stablecoins • Cryptocurrencies • Blockchain & Crypto • Est. 2018
$81k – $1M per year (gross) • Equity • Senior • 7+ years exp • In office (Prague, Czech Republic) • Bachelor's Degree • Contractor • Senior
Node JS
TypeScript
JavaScript
Frontend
React.js
DevOps
CI/CD
Platform Engineering
Web3
Arbitrum
DeFi
Ethereum
Ethers.js
Polygon
Smart Contracts
Solana
solana-web3.js
TON
Tron
Web3.js
$81k – $1M per year (gross) • Equity • Senior • 7+ years exp • In office (Tel Aviv, Israel) • Bachelor's Degree • Contractor • Senior
Node JS
TypeScript
JavaScript
Frontend
React.js
DevOps
CI/CD
Platform Engineering
Web3
Arbitrum
DeFi
Ethereum
Ethers.js
Polygon
Smart Contracts
Solana
solana-web3.js
TON
Tron
Web3.js
≈ $89k – $225k per year (Estimated) • Senior • 7+ years exp • In office (London, United Kingdom) • Bachelor's Degree • Contractor • Senior
Node JS
TypeScript
JavaScript
Frontend
React.js
DevOps
CI/CD
Platform Engineering
Web3
Arbitrum
DeFi
Ethereum
Ethers.js
Polygon
Smart Contracts
Solana
solana-web3.js
TON
Tron
Web3.js
JPMorgan Chase & Co. is a leading global financial services firm and the largest banking institution in the United States by assets. Headquartered in New York City, the company offers a comprehensive range of financial solutions, including investment banking, asset management, treasury services, and commercial banking. Through its widely recognized consumer division, Chase, it delivers retail banking, credit card, and mortgage services to tens of millions of households across the globe.
HQ: London, United Kingdom • Blockchain & Crypto • Clinical Research • Financial Services • 1001-5000 employees
≈ $134k – $291k per year (Estimated) • Lead • In office (Plano, United States) • Staff
Java
Python
DevOps
AWS
CI/CD
Amazon S3
API Gateway
Terraform
Web3
Ethereum
Lead • In office (Jersey City, United States) • Architect
Solidity
AI/ML
Human-in-the-Loop
DevOps
CI/CD
Web3
Ethereum
Layer 2
Smart Contracts
Solana
Token Standards
≈ $35k – $93k per year (Estimated) • Lead • In office (Bengaluru, India) • Staff
C++
Go
Java
Kotlin
Python
Scala
Databases
Apache Kafka
RabbitMQ
DevOps
AWS
CI/CD
Docker
Dynatrace
Grafana
gRPC
Jenkins
Kubernetes
Prometheus
Spinnaker
Splunk
Web3
Corda
Ethereum
Hyperledger Fabric
Polygon
Nubank (Nu Holdings Ltd.) is the largest digital banking platform and fintech company in Latin America, headquartered in São Paulo, Brazil. Founded in 2013 by David Vélez, Cristina Junqueira, and Edward Wible, Nubank launched as a pioneer in fee-free credit cards managed entirely through a mobile app. It has since grown into a full-scale financial services platform serving over 100 million customers across Brazil, Mexico, and Colombia.
HQ: São Paulo, Brazil • Financial Services • FinTech • Banking • 1001-5000 employees • Est. 2013
≈ $183k – $328k per year (Estimated) • Staff+ • 4+ years exp • Remote/Hybrid (Palo Alto, United States) • Full-Time • Staff • Portuguese
PassKit
Web3
Bitcoin
Ethereum
Solana
≈ $166k – $337k per year (Estimated) • Lead • Remote/Hybrid (Palo Alto, United States) • Full-Time • Staff
Function Calling
LLM
AI Agents
Context Engineering
LLM Guardrails
Embeddings
RAG
Recommender Systems
Web3
Bitcoin
Ethereum
Solana
Dialectic is a Swiss-based, crypto-native investment and building firm that focuses on decentralized finance, blockchain technology, and alternative digital assets. The company operates as a sophisticated compounding machine, utilizing a proprietary "Dialectic Process" rooted in rigorous research, intellectual debate, and objective experimentation to uncover unique market opportunities. Beyond its investment activities, the firm acts as a builder within the Web3 ecosystem, supporting open-source initiatives and foundational infrastructure through its commitment to long-term innovation.
Zug • Artificial Intelligence • Blockchain & Crypto • DeFi
Intern • In office (Zug, Switzerland) • Internship • Intern
Rust
Solidity
Web3
Ethereum
Smart Contracts
Solana
DeFi
OpenZeppelin is a smart contract security company founded in 2015 with origins in Buenos Aires. Its open-source contract libraries are the de facto standard for token and access control implementations across Ethereum and compatible chains. The firm also performs audits and sells Defender, a platform for secure contract operations, upgrades and incident response.
HQ: Buenos Aires, Argentina • Cybersecurity • Financial Services • Blockchain & Crypto • Est. 2015
Lead • 3+ years exp • Remote (Europe) • Contractor • Staff
Solidity
Cairo
Move
Cairo
OpenZeppelin Cairo
AI/ML
Anthropic SDK
Claude
Claude Code
Cursor
Anthropic
Model Context Protocol
Tokenization
Web3
Aave
Aleo
Aptos
Arbitrum
Axelar
Cardano
Chainlink
Chainlink CCIP
DeFi
Ethereum
LayerZero
OpenZeppelin
Smart Contracts
Starknet
Stellar
Tokenomics
Uniswap
Wormhole
≈ $109k – $243k per year (Estimated) • Lead • 3+ years exp • Remote (Argentina) • Contractor • Principal
Rust
Solidity
Cairo
Move
Cairo
OpenZeppelin Cairo
AI/ML
Anthropic SDK
Claude
Claude Code
Cursor
Anthropic
Model Context Protocol
Web3
Aave
Anchor
Aptos
Arbitrum
DeFi
Ethereum
OpenZeppelin
Smart Contracts
Solana
Starknet
Stellar
Token Standards
Uniswap
Remote • Contractor • English: C1
Solidity
Cairo
Go
Move
Rust
Cairo
OpenZeppelin Cairo
Solidity
Certora
Echidna
Halmos
Cybersecurity
Threat Modeling
Web3
Aave
DeFi
Ethereum
OpenZeppelin
Smart Contracts
Uniswap
Aptos
Cosmos
Cosmos SDK
Foundry
Solana
Starknet
Stellar
Sui
Sportradar is a multinational sports technology company that collects, analyzes, and distributes sports data to bookmakers, media companies, and sports leagues worldwide. Founded in 2001 and headquartered in Sankt Gallen, Switzerland, the company provides live sports data feeds, odds modeling, audiovisual content, and integrity monitoring services to combat match-fixing. By partnering with major global leagues like the NBA, NHL, and MLB, it powers real-time betting operations, broadcast visualizations, and digital fan experiences.
HQ: Sankt Gallen, Switzerland • Sports Analytics • Fan Engagement • Sports • 1001-5000 employees • Est. 2001
Junior • 2+ years exp • In office (Athens, Greece) • Full-Time • Middle
Maltego
Web3
Bitcoin
Chainalysis
DeFi
Ethereum
Headquartered in Toronto, Ontario, Canada, Layer 6 AI is an artificial intelligence research laboratory and engineering organization operating as the AI center of excellence for TD Bank Group. Founded in 2016 and acquired by TD Bank in 2018, the company develops and deploys enterprise-grade deep learning, generative AI, and time-series forecasting models across retail banking, wealth management, and financial operations.
HQ: Toronto, Canada • Artificial Intelligence • 1001-5000 employees • Est. 2016
≈ $67k – $170k per year (Estimated) • Senior • 5+ years exp • In office (Toronto, Canada) • Bachelor's Degree • Full-Time • Senior
Java
Rust
Solidity
Solidity
Mythril
Databases
Apache Kafka
AI/ML
Tokenization
DevOps
Azure
Web3
DeFi
Foundry
OpenZeppelin
Slither
Smart Contracts
Token Standards
Ethereum
≈ $66k – $167k per year (Estimated) • Senior • 5+ years exp • In office (Toronto, Canada) • Bachelor's Degree • Full-Time • Senior
Java
Rust
Solidity
Solidity
Mythril
Databases
Apache Kafka
AI/ML
Tokenization
DevOps
Azure
Web3
Corda
DeFi
Foundry
OpenZeppelin
Slither
Smart Contracts
Token Standards
Ethereum
Barclays is a British multinational universal bank that provides a wide range of services, including retail banking, corporate and investment banking, and wealth management. Headquartered in London with a history spanning centuries, it operates as a major financial institution with a significant presence across the United Kingdom, Europe, the Americas, Africa, and Asia. The bank focuses on delivering comprehensive financial solutions and digital banking products to millions of individual and institutional clients globally.
HQ: London, United Kingdom • Investment Banking • Financial Services • Banking • 1001-5000 employees
$120k per year • Executive • In office (Park, United States) • Full-Time • Senior
Tokenization
DevOps
CI/CD
Configuration Management
Incident Management
Kubernetes
Platform Engineering
Web3
Ethereum
Solana
$170k per year • Executive • In office (Park, United States) • Full-Time • Senior
Incident Management
Web3
Ethereum
Solana
Galaxy Digital is a financial services and investment management firm specializing in digital assets, cryptocurrency, and blockchain technology. Founded by Michael Novogratz, the company serves as a bridge between traditional finance and the crypto ecosystem through institutional trading, asset management, investment banking, and mining operations. Additionally, it has expanded into digital infrastructure, providing data center capabilities to support high-performance computing, artificial intelligence, and decentralized networks.
HQ: New York, United States • Hardware • Financial Services • AI Infrastructure • Blockchain & Crypto • 501-1000 employees
≈ $74k – $205k per year (Estimated) • Executive • 7+ years exp • Remote/Hybrid • Senior
Go
Rust
Solidity
AI/ML
Claude
Claude Code
Model Context Protocol
Tokenization
DevOps
AWS
GitOps
Helm
Kubernetes
HPC
Web3
Ethereum
Staking
Smart Contracts
Offchain Labs is a blockchain technology company headquartered in New York City, New York, and founded in 2018. The company develops scaling solutions for the Ethereum network, most notably the Arbitrum ecosystem, which includes Arbitrum One, Arbitrum Nova, and the Arbitrum Orbit development framework. It provides infrastructure for decentralized applications and enterprise-grade onchain systems, operating as a core contributor to the Ethereum ecosystem through research, protocol development, and strategic investments.
HQ: New York, United States • IT Infrastructure • Information Technology • Smart Contracts & Security • Web3 & dApps • Blockchain & Crypto • Blockchain Infrastructure • Est. 2018
≈ $154k – $339k per year (Estimated) • Executive • Remote (United States) • Full-Time • Architect
Aave
Arbitrum
Ethereum
ZeroDev
≈ $165k – $302k per year (Estimated) • Executive • 8+ years exp • Remote (United States) • Full-Time • Staff
Aave
Arbitrum
Ethereum
ZeroDev
≈ $121k – $225k per year (Estimated) • Senior • 5+ years exp • Remote (United States) • Full-Time • Senior
AWS
CI/CD
Kubernetes
Cybersecurity
ISO 27001
NIST CSF
SOC 2
Web3
Aave
Arbitrum
Ethereum
ZeroDev
Founded in June of 2012, Coinbase is a digital currency wallet and platform where merchants and consumers can transact with new digital currencies like bitcoin, ethereum, and litecoin. Our vision is to bring more innovation, efficiency, and equality of opportunity to the world by building an open financial system. Our first step on that journey is making digital currency accessible and approachable for everyone.
HQ: San Francisco, United States • Blockchain & Crypto • Cryptocurrencies • Crypto Exchanges • 1001-5000 employees • Est. 2012
≈ $124k – $281k per year (Estimated) • Senior • 5+ years exp • Remote (United States) • Senior
Go
DevOps
Datadog
Grafana
Prometheus
Web3
Bitcoin
Ethereum
Solana
≈ $80k – $186k per year (Estimated) • Junior • 2+ years exp • Remote (Canada) • Contractor • Junior
Go
Solidity
AI/ML
Human-in-the-Loop
Web3
Ethereum
Smart Contracts
≈ $146k – $264k per year (Estimated) • Senior • 5+ years exp • Remote (United States) • Contractor • Senior
Go
Solidity
Web3
DeFi
Ethereum
Smart Contracts
OKX is a global cryptocurrency exchange and digital asset platform. It offers spot, margin, futures, and options trading, plus a Web3 wallet, DeFi access, and NFT features. The company has positioned itself as a broad crypto ecosystem for both beginners and advanced traders.
HQ: San Jose, United States • HQ: Dubai, United Arab Emirates • Blockchain & Crypto • Cryptocurrencies • Crypto Exchanges • 1001-5000 employees • Est. 2017
Staff+ • 7+ years exp • In office (Hong Kong) • Bachelor's Degree • Contractor • Staff
Java
Python
Scala
SQL
Solidity
Databases
Apache Kafka
ClickHouse
HBase
PostgreSQL
Milvus
pgvector
Pinecone
Weaviate
AI/ML
Flink
Hadoop
LLM
RAG
Spark
AI Agents
Claude
Claude Code
Model Context Protocol
Prompt Engineering
DevOps
Vector
AWS
GCP
Web3
Smart Contracts
Bitcoin
Bridge
DeFi
Ethereum
NFT
Solana
The Graph
Token Standards
Analytics
ETL/ELT
Executive • 10+ years exp • In office (Singapore) • Visa sponsorship • Bachelor's Degree • Contractor • Architect
JavaScript
Frontend
React.js
Vue.js
Web3
Ethers.js
Reown
Ethereum
Lead • 10+ years exp • In office (Hong Kong) • Bachelor's Degree • Contractor • Staff
JavaScript
Frontend
React.js
Vue.js
DevOps
Kong
Web3
Ethers.js
Reown
Ethereum
Phantom is a non-custodial cryptocurrency wallet that serves as a user-friendly gateway for managing digital assets, NFTs, and decentralized applications across multiple blockchains including Solana, Ethereum, and Bitcoin. Originally built for the Solana ecosystem, the platform allows users to securely trade tokens, stake assets, and interact with various Web3 services directly from their browser or mobile device.
HQ: San Francisco, United States • Web3 & dApps • Blockchain & Crypto • Crypto Wallets
≈ $125k – $284k per year (Estimated) • Senior • 5+ years exp • Remote/Hybrid • Full-Time • Senior
Bitcoin
Ethereum
Polygon
Solana
≈ $132k – $283k per year (Estimated) • Staff+ • 8+ years exp • Remote (EU, United States, United Kingdom) • Full-Time • Staff
JavaScript
Frontend
React.js
Mobile
Maestro
Expo
React Native
DevOps
AWS
CI/CD
Docker
GitHub Actions
GitLab CI
Kubernetes
Platform Engineering
Pulumi
Terraform
GitHub
GitLab
Web3
Bitcoin
Ethereum
Polygon
Solana
QA
Playwright
≈ $130k – $283k per year (Estimated) • Senior • Remote (United States) • Full-Time • Senior
Bitcoin
Ethereum
Polygon
Solana
ING Group is a Dutch multinational banking and financial services corporation headquartered in Amsterdam, with a strong presence across Europe and the globe. The institution provides a comprehensive range of services, including retail and wholesale banking, commercial lending, and asset management for individuals, corporations, and government entities. Driven by a commitment to sustainability and digital innovation, the company empowers its customers to stay a step ahead in both their personal and professional financial lives.
HQ: Amsterdam, Netherlands • Investment Banking • Financial Services • Banking • 1001-5000 employees • Est. 1918
Senior • 5+ years exp • Remote/Hybrid (Istanbul, Turkey) • Bachelor's Degree • Full-Time • Senior
Solidity
Solidity
Echidna
Mythril
DevOps
CI/CD
Kubernetes
IAM
Cybersecurity
ISO 27001
SOC 2
Web3
Smart Contracts
Corda
Ethereum
Foundry
Hyperledger Fabric
Slither
Euroclear is a global financial market infrastructure (FMI) provider and one of the world's largest International Central Securities Depositories (ICSD). Founded in 1968 and headquartered in Brussels, Belgium, the group specializes in cross-border settlement, safe custody, asset servicing, and collateral management for equities, bonds, derivatives, and investment funds.
HQ: Brussels, Belgium • Financial Services • Asset Management • Capital Markets • 201-500 employees
In office
Corda
Ethereum
Chips/EDA
PoC Library
In office • English: C1
Corda
Ethereum
Chips/EDA
PoC Library
Treasure Financial is a corporate treasury management platform designed to help businesses earn higher yields on their idle cash reserves. It automates cash management by seamlessly routing company funds into safe, high-yielding liquid assets like U.S. Treasury bills and money market funds. By offering enterprise-grade security and real-time visibility, the platform enables finance teams to maximize interest income while keeping operational liquidity easily accessible.
HQ: New York, United States • Blockchain & Crypto • Stablecoins • Crypto Payments • Est. 2021
≈ $168k – $314k per year (Estimated) • Equity • Staff+ • 10+ years exp • Remote (United States, Puerto Rico) • Full-Time • Staff
Node JS
Solidity
JavaScript
AI/ML
AI Agents
Web3
Foundry
Hardhat
Smart Contracts
Solana
Arbitrum
Ethereum
Polygon
≈ $165k – $309k per year (Estimated) • Equity • Staff+ • 10+ years exp • Remote (United States, Puerto Rico) • Full-Time • Staff
Node JS
Solidity
JavaScript
Web3
Foundry
Hardhat
Smart Contracts
Solana
Arbitrum
Ethereum
Polygon
$200k – $280k per year • Equity • Staff+ • 10+ years exp • In office (New York, United States) • Full-Time • Staff
Node JS
Solidity
JavaScript
AI/ML
AI Agents
Web3
Foundry
Hardhat
Smart Contracts
Solana
Arbitrum
Ethereum
Polygon
Stripe is an American-Irish multinational financial infrastructure and SaaS company dual-headquartered in South San Francisco, California, and Dublin, Ireland. Founded in 2010 by brothers Patrick and John Collison, the firm provides developer-centric payment processing software and APIs for internet businesses.
HQ: San Francisco, United States • Commerce • Artificial Intelligence • Blockchain & Crypto • Financial Services • FinTech • Payments • 1001-5000 employees • Est. 2010
≈ $112k – $237k per year (Estimated) • Senior • 6+ years exp • In office • Internship • Senior
Ethereum
Polygon
Smart Contracts
Solana
≈ $183k – $330k per year (Estimated) • Senior • 5+ years exp • In office (San Francisco, United States) • Bachelor's Degree • Contractor • Senior
Solidity
Web3
Smart Contracts
Solana
Stellar
DeFi
Ethereum
TRM Labs is a blockchain intelligence and financial crime prevention platform headquartered in San Francisco, California. The company provides law enforcement agencies, government bodies, regulatory organizations, and financial institutions with tools to monitor, detect, and investigate illicit cryptocurrency transactions and digital asset fraud.
HQ: San Francisco, United States • Cybersecurity • Blockchain & Crypto • Blockchain Analytics
$115k – $150k per year • Senior • 5+ years exp • Remote (United Kingdom) • Full-Time • Senior
Maltego
Web3
TRM Labs
Ethereum
Smart Contracts
Management
Notion
Slack
$150k – $168k per year • Senior • 8+ years exp • Remote (United Kingdom) • Full-Time • Senior
Maltego
Web3
TRM Labs
Ethereum
Smart Contracts
Management
Notion
Slack
Citi is a leading global financial services company headquartered in New York City, offering a broad range of banking, investment, and wealth management services to consumers, corporations, and institutions. As one of the world's largest banking institutions, it operates across more than 160 countries and jurisdictions, serving as a critical facilitator of global commerce. Through its primary consumer division, Citibank, alongside its institutional businesses, the company provides everyday banking, credit cards, capital markets solutions, and cross-border payment infrastructure worldwide.
HQ: New York, United States • Credit Cards • Financial Services • Banking • 1001-5000 employees • Est. 1900
≈ $86k – $207k per year (Estimated) • Executive • Remote/Hybrid (London, United Kingdom) • Bachelor's Degree • Full-Time • Staff
Java
Solidity
JavaScript
DevOps
CI/CD
Docker
Helm
Kubernetes
Platform Engineering
Web3
Smart Contracts
Web3.js
Ethereum
$142k – $213k per year • Executive • 12+ years exp • Remote/Hybrid (New York, United States) • Bachelor's Degree • Full-Time • Architect
Java
Node JS
Solidity
JavaScript
Solidity
Truffle
Databases
Apache Kafka
RabbitMQ
AI/ML
Tokenization
DevOps
CI/CD
Docker
Git
Helm
Jenkins
Kubernetes
Web3
DeFi
Ethereum
Ethers.js
Layer 2
Smart Contracts
Solana
Viem
Web3.js
Foundry
Hardhat
Optimism
Polygon
Token Standards
ZkSync Era
Management
Jira
$142k – $213k per year • Executive • 10+ years exp • Remote/Hybrid (New York, United States) • Bachelor's Degree • Full-Time • Senior
Java
Node JS
Solidity
JavaScript
Solidity
Truffle
Databases
Apache Kafka
RabbitMQ
AI/ML
Tokenization
DevOps
CI/CD
Docker
Git
Helm
Jenkins
Kubernetes
Web3
DeFi
Ethereum
Ethers.js
Layer 2
Smart Contracts
Solana
Viem
Web3.js
Foundry
Hardhat
Optimism
Polygon
Token Standards
ZkSync Era
Management
Jira
