Hiring 1
No named decision-maker yet.
No careers mailbox known
≈ $27k – $45k per year (Estimated) • Senior • 8+ years exp • India • Remote (India) • Senior
Solidity
JavaScript
Web3
Web3.js
Smart Contracts
Ethereum
Tokenomics
HQ: Buenos Aires, Argentina • Blockchain Infrastructure • Smart Contracts & Security • Est. 2015 • Hiring 5
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.
No named decision-maker yet.
No careers mailbox known
≈ $153k – $303k per year (Estimated) • Head+ • 10+ years exp • Remote (likely Argentina) • Architect
Solidity
AI/ML
AI Agents
LLM
EU AI Act
Agentic Workflows
Cybersecurity
ISO 27001
SOC 2
GDPR
Least Privilege
Web3
OpenZeppelin
Aave
Uniswap
Ethereum
+5
≈ $145k – $229k per year (Estimated) • Senior • 3+ years exp • Remote (likely Argentina) • Senior • English
Move
Cairo
Solidity
Cairo
OpenZeppelin Cairo
AI/ML
Cursor
Claude Code
Tokenization
Web3
Stellar
Arbitrum
Aptos
Cardano
OpenZeppelin
Starknet
Smart Contracts
DeFi
Token Standards
Tokenomics
Aleo
Chainlink
Aave
Uniswap
Ethereum
LayerZero
Wormhole
Axelar
Chainlink CCIP
+18
Remote (worldwide) • English: C1
Solidity
Go
Rust
Move
Cairo
Cairo
OpenZeppelin Cairo
Solidity
Echidna
Halmos
Certora
Cybersecurity
Threat Modeling
Web3
OpenZeppelin
Smart Contracts
Ethereum
DeFi
Foundry
Stellar
Solana
Aptos
Cosmos
Aave
Starknet
Uniswap
Sui
Cosmos SDK
+16
HQ: Minato, Japan • Stablecoins • Cryptocurrencies • Blockchain & Crypto • Trust D • Hiring 20
Datachain is a tech company that revolutionizes blockchain interoperability and stablecoin settlement. we aim to make it possible for the world to interact as one network, making it easier to use a variety of services.
No named decision-maker yet.
Careers mailbox is known
$51k per year • Lead • 5+ years exp • Remote (likely Japan) • Full-Time • Staff
TypeScript
JavaScript
Frontend
React.js
Web3
Reown
NFT
Ethers.js
MetaMask
Ethereum
$38k – $51k per year • In office (Tokyo, Japan, 10am - 7pm) • Full-Time
JavaScript
Web3
Ethers.js
MetaMask
Ethereum
Chennai • Dubai • Austin • Mobile App Development Services • Custom Software Development • Hiring 3
Ionixx Technologies, a custom software & IT solutions provider for Fintech, Healthtech, Design, and Web3 industries using provide blockchain, cloud, & AI tech.
No named decision-maker yet.
Careers mailbox is known
$32k – $53k per year (gross) • Senior • 8+ years exp • Chennai • Remote (India) • Senior
Java
TypeScript
JavaScript
Java
Spring Boot
Web3
Ethers.js
Web3.js
Smart Contracts
Token Standards
Ethereum
+1
HQ: Miami, United States • Branding • Cybersecurity • Blockchain & Crypto • Information Security • Smart Contracts & Security • 51-200 employees • Est. 2019 • Startup • Hiring 4
Halborn is a blockchain security company founded in 2019 and headquartered in Miami. It provides smart contract audits, advanced penetration testing and security advisory to exchanges, layer-one networks and financial institutions. The firm is known for offensive security work that identifies vulnerabilities in node clients and wallet software as well as contracts.
No named decision-maker yet.
No careers mailbox known
≈ $97k – $191k per year (Estimated) • Middle • 4+ years exp • In office (Miami, United States) • Full-Time • Middle
Python
TypeScript
Node JS
JavaScript
Rust
Solidity
Databases
PostgreSQL
AI/ML
AI Agents
LLM
Structured Outputs
Model Context Protocol
Frontend
GraphQL
React.js
DevOps
Rest API
GCP
Azure
CI/CD
AWS
Docker
Web3
Ethers.js
Smart Contracts
Ethereum
DeFi
+15
Blockchain & Crypto • Cryptocurrencies • Est. 2022 • Startup • Hiring 1
Puffer Finance is a liquid restaking protocol that lets node operators run Ethereum validators with reduced capital requirements. Its anti-slashing hardware module protects operators from penalties caused by client faults. The project also develops a based rollup that inherits Ethereum sequencing.
No named decision-maker yet.
Careers mailbox is known
≈ $140k – $244k per year (Estimated) • Senior • United States • Remote (United States) • Full-Time • Senior
Rust
TypeScript
Solidity
JavaScript
Frontend
Rollup
DevOps
GitHub
Web3
Foundry
EigenLayer
Ethereum
Zk-Proofs
Rollup
+3
HQ: Ho Chi Minh City, Vietnam • Game Development • Blockchain Infrastructure • GameFi • 201-500 employees • Est. 2018 • Startup • Hiring 5
Sky Mavis is a blockchain gaming studio founded in 2018 and headquartered in Ho Chi Minh City. It created Axie Infinity, the game that popularised play-to-earn economics and reached millions of players in Southeast Asia. The company also operates the Ronin network, a gaming-focused chain that now hosts third-party titles.
No named decision-maker yet.
No careers mailbox known
≈ $7.5k – $11k per year (Estimated) • Intern • In office (Ho Chi Minh City, Vietnam) • Internship • Intern
JavaScript
TypeScript
SQL
Node JS
Solidity
Databases
PostgreSQL
Frontend
React.js
DevOps
Rest API
Git
Cybersecurity
ISO 27001
NIST CSF
OWASP Top 10
SOC 2
GoPhish
Web3
Solana
Ronin
Bitcoin
Ethereum
NFT
Ethers.js
Hardhat
+13
HQ: Miami, United States • Crypto Exchanges • Cryptocurrencies • Blockchain & Crypto • Est. 2019 • Startup • Hiring 9, 3 new
Headquartered in Miami, Florida, BAM Trading Services operates Binance US, a cryptocurrency exchange tailored specifically for customers in the United States. The platform enables retail and institutional clients to securely buy, sell, trade, and stake a wide variety of digital assets. Built to operate independently from the global Binance entity, it focuses on delivering low transaction fees while maintaining compliance with domestic regulatory standards.
No named decision-maker yet.
No careers mailbox known
$123k – $145k per year • Senior • 6+ years exp • Remote (Canada) • Bachelor's Degree • Full-Time • Senior • English: C2 (Optional)
TypeScript
JavaScript
Frontend
Vue.js
Next.js
React.js
Lighthouse
DevOps
CI/CD
GCP
Git
AWS
Web3
Ethers.js
Ethereum
QA
Chrome DevTools
+5
Asset Tokenization • Blockchain Infrastructure • 11-50 employees • Startup • Hiring 3
Veda is the leading onchain vault provider, powering enterprise Earn solutions. Our mission is to make the world's capital productive onchain.
No named decision-maker yet.
No careers mailbox known
Remote (worldwide) • Full-Time
Python
Rust
TypeScript
AI/ML
AI Agents
Web3
Anchor
Solana
MetaMask
Smart Contracts
DeFi
Staking
EtherFi
+3
Crypto Wallets • Crypto Payments • 51-200 employees • Hiring 6
Institutional-grade crypto infrastructure. MiCA-licensed wallet architecture, embedded on/off-ramps, and global stablecoin settlements for fintechs, exchanges, and dApps.
No named decision-maker yet.
Careers mailbox is known
≈ $85k – $214k per year (Estimated) • Senior • 5+ years exp • Remote (location not specified) • Full-Time • Senior • Russian: C1 • English: C1
TypeScript
Node JS
JavaScript
Node JS
Nest.JS
TypeORM
Databases
PostgreSQL
NATS
Redis
AI/ML
Copilot
Cursor
Claude
LLM
Frontend
React.js
Redux
Material UI
DevOps
Kubernetes
GCP
Helm
OpenTelemetry
Kustomize
Prometheus
Docker
Grafana
Cybersecurity
PCI DSS
GDPR
Web3
Ethers.js
Web3.js
Solana
Smart Contracts
Token Standards
TON
Tron
Bitcoin
Ethereum
Management
Agile
QA
Jest
+28
HQ: Brooklyn, United States • Blockchain & Crypto • Cybersecurity • 51-200 employees • Hiring 7
Trail of Bits is a cybersecurity research, engineering, and consulting firm that specializes in software assurance, cryptography, and advanced threat modeling. The company provides deep code audits, penetration testing, and security evaluations for complex digital systems, including smart contracts, AI/ML pipelines, and cloud infrastructure. Known for its strong focus on open source, it actively develops public security tools, conducts government-backed research, and advances industry-wide software security standards.
No named decision-maker yet.
Careers mailbox is known
$160k – $200k per year • Senior • Remote (United States) • Relocation • Full-Time • Senior
Rust
Solidity
AI/ML
Model Context Protocol
AI Agents
Cybersecurity
Empire
Web3
Slither
HQ: Victoria, Seychelles • Forex & CFD Brokers • Crypto Exchanges • Online Brokerage & Trading Platforms • 501-1000 employees • Est. 2018 • Startup • Trust A • Hiring 115, 4 new
Bitget is a cryptocurrency exchange and multi-asset trading platform with its registered base in Victoria, Seychelles, offering spot, futures and copy trading, tokenized stocks, CFDs on gold, forex and commodities, earn products and an AI trading assistant through web and mobile apps. Founded in 2018, it reports more than 120 million registered users, issues the BGB token, runs a Web3 wallet and pursues licences in Europe and other regions, with compliance staff in markets such as Mauritius. It hires trading and platform product managers, Java, big data and AI engineers, risk control and AML specialists, regulatory counsel, marketing and business development staff and support agents.
No named decision-maker yet.
No careers mailbox known
Head+ • 5+ years exp • In office • Full-Time • Architect • Chinese: C1
Go
Web3
Cosmos SDK
Cosmos
Senior • 5+ years exp • In office • Bachelor's Degree • Full-Time • Senior
JavaScript
Frontend
Vue.js
React.js
WebAssembly
DevOps
Git
Web3
Ethers.js
Web3.js
Smart Contracts
Ethereum
DeFi
Staking
Management
Telegram
+4
Senior • 5+ years exp • In office • Bachelor's Degree • Full-Time • Senior
Go
Solidity
JavaScript
Solidity
Truffle
Web3
Web3.js
Smart Contracts
NFT
Ethereum
Staking
+1
HQ: Indore, India • Web Development Services • Mobile App Development Services • IT Outsourcing & Dedicated Teams • Custom Software Development • 501-1000 employees • Est. 2003 • Staffing · EOR • Trust B • Hiring 88
CISIN, the brand of Cyber Infrastructure Pvt Ltd, is a custom software development and IT services company headquartered in Indore, Madhya Pradesh, India, building web and mobile applications, cloud, AI and enterprise software for clients. Founded in 2003, it states that it has more than 1,000 experts and serves clients in over 100 countries, with sales offices in the United States, Canada, Australia, the United Arab Emirates and other markets. It hires freshers, junior and senior developers in .NET, Python, MEAN and MERN stacks, Salesforce and Unity, along with data scientists, DevOps engineers, software testers and CAD designers.
No named decision-maker yet.
Careers mailbox is known
≈ $22k – $46k per year (Estimated) • Junior • In office (Indore, India) • Full-Time • Junior
Python
JavaScript
Solidity
Solidity
Truffle
Frontend
React.js
Web3
Polygon
Ethers.js
Hardhat
Web3.js
Smart Contracts
Ethereum
DeFi
+4
HQ: Austin, United States • Messaging Apps • Social Networks • Likely startup • Hiring 6, 2 new
Ole is building a global social, messaging and commerce platform for football fans, bringing together short-form video, encrypted messaging and calling, live scores and real-time translation. The company also runs travel and ticketing products and hires iOS, Android and AI architecture engineers and finance and communications directors. The company is headquartered in Austin, Texas, United States.
No named decision-maker yet.
No careers mailbox known
≈ $115k – $243k per year (Estimated) • Lead • 5+ years exp • In office (Santa Monica, United States) • Bachelor's Degree • Full-Time • Senior • English
Python
Go
JavaScript
Rust
Node JS
Solidity
Python
Django
Node JS
Express
Solidity
Mythril
Cybersecurity
GDPR
Web3
Solana
Slither
MetaMask
Layer 2
Smart Contracts
Ethereum
Trust Wallet
+9
HQ: Dubai, United Arab Emirates • Crypto Exchanges • Cryptocurrencies • 501-1000 employees • Est. 2018 • Startup • Trust A • Hiring 145, 15 new
Bybit is a centralized cryptocurrency exchange offering spot and derivatives trading, copy trading, earn products, payments, custody and a Web3 wallet to retail and institutional users, headquartered in Dubai. Founded in 2018 by Ben Zhou, it reports more than 80 million users in over 200 countries and regions, ranks among the largest exchanges by trading volume, and suffered a theft of about 1.5 billion dollars in digital assets in a February 2025 hack. Its openings are mostly for product managers, compliance and legal counsel, VIP relationship and user operations managers, marketing and social media specialists and principal-level backend, frontend and site reliability engineers.
No named decision-maker yet.
No careers mailbox known
≈ $21k – $45k per year (Estimated) • Lead • 5+ years exp • In office (Kuala Lumpur, Malaysia) • Principal
Go
Node JS
Solidity
JavaScript
Databases
MySQL
Redis
Web3
The Graph
Ethers.js
Web3.js
Bitcoin
Ethereum
Staking
Bridge
+5
HQ: Toronto, Canada • Investment Banking & M&A Advisory • Online Brokerage & Trading Platforms • Commercial & Retail Banks • 1001-5000 employees • Est. 1855 • Trust A • Hiring 1786, 4 new
TD Bank Group is a Canadian bank founded in 1855 whose modern form dates from the 1955 merger of the Bank of Toronto and the Dominion Bank. It runs one of the two largest retail banking networks in Canada, an unusually large American retail franchise built along the east coast under the TD Bank brand, a wholesale bank through TD Securities and a direct investing business, and it held a substantial stake in Charles Schwab for several years. Headquartered in Toronto and listed in Toronto and New York, it has spent recent years rebuilding its anti-money-laundering controls after United States regulatory penalties.
Kelvin Tran · Chief Financial Officer · decision-maker
Raymond Chun · Group President and Chief Executive Officer · decision-maker
Careers mailbox is known
$160k – $300k per year • Equity • Staff+ • 10+ years exp • In office (New York, United States) • Full-Time • Architect
Go
JavaScript
Rust
Node JS
Frontend
Next.js
React.js
DevOps
GCP
CI/CD
AWS
SLI/SLO/SLA
Web3
Viem
Ethers.js
Layer 2
Smart Contracts
Wagmi
Corda
Account Abstraction
Token Standards
Biconomy
Chainalysis
Ethereum
Zk-SNARKs
Zk-STARKs
+15
Kyiv • Luxembourg City • Financial Software & Embedded Finance • IT Consulting & Digital Transformation • 11-50 employees • Likely startup • Trust B • Hiring 8
IntellectEU envisions a future where digital finance and modern payment systems are seamlessly integrated, accessible, and secure for every business.
No named decision-maker yet.
No careers mailbox known
Senior • In office • Contractor
Java
JavaScript
TypeScript
Node JS
Java
Spring Boot
Node JS
Nest.JS
Databases
Apache Kafka
DevOps
OpenTelemetry
CI/CD
Cybersecurity
Zero Trust
Web3
Ethers.js
Web3.js
Smart Contracts
Solana
Bitcoin
Ethereum
+8
HQ: New York, United States • Crypto Wallets • Blockchain Infrastructure • Stablecoins • 501-1000 employees • Est. 2018 • Startup • Trust A • Hiring 26, 1 new
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.
No named decision-maker yet.
Careers mailbox is known
≈ $125k – $211k per year (Estimated) • Senior • 7+ years exp • In office (London, United Kingdom) • Bachelor's Degree • Senior
TypeScript
Node JS
JavaScript
Frontend
React.js
DevOps
CI/CD
Platform Engineering
Web3
TON
Polygon
Ethers.js
Tron
Web3.js
Solana
Arbitrum
Smart Contracts
Ethereum
DeFi
solana-web3.js
Management
Stripe
+10
HQ: Paris, France • Information Security • Blockchain Infrastructure • Est. 2023 • Startup • Trust B • Hiring 4
Inco builds a confidentiality layer that brings encrypted state to public blockchains using fully homomorphic encryption. Developers add private balances, hidden bids and confidential voting to applications without leaving the EVM. The project provides both a dedicated network and modules other chains can integrate.
No named decision-maker yet.
Careers mailbox is known
Senior • 5+ years exp • Hybrid • Full-Time • Senior
JavaScript
TypeScript
Solidity
Solidity
RainbowKit
Frontend
React.js
Tailwind CSS
Next.js
Web3
Ethers.js
Smart Contracts
Ethereum
Reown
DeFi
Account Abstraction
+5
HQ: San Francisco, United States • Blockchain Infrastructure • Payment Processing & Gateways • 11-50 employees • Est. 2022 • Startup • Hiring 2
Halliday is the end-to-end deposit platform. Supercharge your conversion rates, accelerate your revenue.
Griffin Dunaif · Executive Officer, Director · decision-maker
Careers mailbox is known
$150k – $250k per year • Senior • 5+ years exp • Hybrid (San Francisco, United States) • Relocation • Full-Time • Senior
TypeScript
JavaScript
Frontend
React.js
Web3
Compound
DeFi
Ethers.js
Solana
Bitcoin
Ethereum
Management
Stripe
+2
$150k – $190k per year • Junior • 2+ years exp • Hybrid (San Francisco, United States) • Relocation • Full-Time • Junior
TypeScript
JavaScript
Frontend
React.js
Web3
Compound
DeFi
Ethers.js
Solana
Bitcoin
Ethereum
Management
Stripe
+2
