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
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
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
≈ $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
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
Roblox Corporation (NYSE: RBLX) is an immersive global online gaming and user-generated content (UGC) platform headquartered in San Mateo, California. Founded in 2004 by David Baszucki and Erik Cassel, the company operates an end-to-end 3D digital ecosystem consisting of three core components: Roblox Client (the application through which users explore virtual experiences), Roblox Studio (the proprietary toolset that allows creators and developers to build 3D worlds), and Roblox Cloud (the infrastructure that powers real-time services and multiplayer hosting).
HQ: San Mateo, United States • Artificial Intelligence • LLM & Generative AI • Gaming • Metaverse • Game Development • 1001-5000 employees • Est. 2004
≈ $118k – $236k per year (Estimated) • Equity • Middle • 3+ years exp • Remote/Hybrid (San Mateo, United States) • Visa sponsorship • Full-Time • Middle
JavaScript
Lua
AI/ML
AI Agents
Cursor
LLM
Model Context Protocol
Frontend
React.js
DevOps
CI/CD
GitHub
Web3
Abstract
Design
Figma
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
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
Chainlink Labs is the primary development organization behind the Chainlink network, an industry-standard decentralized oracle platform. The company focuses on creating secure, reliable infrastructure that enables smart contracts to connect with real-world data, off-chain APIs, and various cross-chain systems. By providing critical solutions for data connectivity, tokenization, and interoperability, they help bridge the gap between traditional financial markets and the decentralized digital economy.
HQ: San Francisco, United States • Blockchain & Crypto • Web3 & dApps • Blockchain Infrastructure • Est. 2019
≈ $144k – $239k per year (Estimated) • Senior • 6+ years exp • Remote (United States) • Bachelor's Degree • Full-Time • Senior
Go
Move
Rust
Solidity
TypeScript
Databases
PostgreSQL
DevOps
AWS
Terraform
Web3
Aave
Avalanche
Chainlink
DeFi
Ethereum
GMX
Lido
Polygon
Smart Contracts
Solana
≈ $144k – $239k per year (Estimated) • Senior • 10+ years exp • Remote (United States) • Bachelor's Degree • Full-Time • Senior
Go
Move
Rust
Solidity
TypeScript
Databases
PostgreSQL
DevOps
AWS
Terraform
Web3
Aave
Avalanche
Chainlink
DeFi
Ethereum
GMX
Lido
Polygon
Smart Contracts
Solana
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
$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
Grab Holdings is a leading Southeast Asian "super-app" technology company headquartered in Singapore. Originally founded as a ride-hailing service, Grab has expanded into a comprehensive digital ecosystem offering transportation (GrabCar, GrabBike), food and grocery delivery (GrabFood, GrabMart), and fintech services (GrabPay, digital banking, lending, and insurance). Operating across eight countries in the region, Grab connects millions of consumers with driver and merchant partners daily.
HQ: Singapore • FinTech • Delivery • Ride Hailing • 1001-5000 employees
≈ $100k – $226k per year (Estimated) • Lead • 6+ years exp • In office (Singapore) • Bachelor's Degree • Full-Time • Senior
Python
SQL
Python
Asyncio
AI/ML
AI Agents
Embeddings
LangChain
LangGraph
LangSmith
LLM
Model Context Protocol
LLM Guardrails
DevOps
Vector
Web3
Abstract
Analytics
ETL/ELT
Management
Slack
≈ $94k – $196k per year (Estimated) • Lead • 6+ years exp • In office (Singapore) • Bachelor's Degree • Full-Time • Senior
Python
SQL
Python
Asyncio
AI/ML
AI Agents
Embeddings
LangChain
LangGraph
LangSmith
LLM
Model Context Protocol
LLM Guardrails
DevOps
Vector
Web3
Abstract
Analytics
ETL/ELT
Management
Slack
MLabs is a global software engineering consultancy specializing in high-assurance software engineering, formal verification, and mission-critical systems. Founded in 2018, the company focuses on functional programming languages like Haskell and Rust to build secure, high-performance infrastructure for blockchain, Web3, fintech, and AI projects.
HQ: London, United Kingdom • Information Technology • Blockchain & Crypto • Software
$180k – $320k per year • Equity • Senior • Remote/Hybrid (New York, United States) • Visa sponsorship • Master's Degree • Full-Time • Senior
ClickHouse
PostgreSQL
AI/ML
Dagster
dbt
Prefect
Web3
Arbitrum
DeFi
OP Labs PBC is a software development company that contributes to the Optimism protocol, a layer two blockchain solution designed to scale the Ethereum network. The organization focuses on technology that enables faster and more scalable smart contract transactions while supporting mechanisms for funding public goods.
New York • Cryptocurrencies • Blockchain & Crypto
≈ $153k – $254k per year (Estimated) • Equity • Senior • New York • Remote (United States) • Visa sponsorship • Bachelor's Degree • Senior
Rust
Solidity
Web3
Account Abstraction
Ethereum
Layer 2
OP Stack
Optimism
Smart Contracts
Uniswap
≈ $100k – $243k per year (Estimated) • Senior • Remote • Full-Time • Senior
Rust
Solidity
Web3
Account Abstraction
Ethereum
Layer 2
OP Stack
Optimism
Smart Contracts
Uniswap
≈ $136k – $233k per year (Estimated) • Senior • 5+ years exp • New York • Remote (United States) • Full-Time • Senior
DeFi
Ethereum
Layer 2
OP Stack
Optimism
Uniswap
State Street is a major American financial services and bank holding company headquartered in Boston, Massachusetts. As one of the world's largest custodian banks and asset managers, it provides comprehensive asset servicing, fund administration, foreign exchange, and investment management through its State Street Global Advisors division.
HQ: Boston, United States • Financial Services • Banking • Asset Management • 1001-5000 employees
≈ $93k – $205k per year (Estimated) • Executive • 10+ years exp • Remote/Hybrid (London, Edinburgh, United Kingdom) • Bachelor's Degree • Full-Time • Architect
AWS
Kubernetes
Cybersecurity
Threat Modeling
Web3
Smart Contracts
Corda
DeFi
Ethereum
Hyperledger Fabric
Polygon
Solana
impact.com (Impact Tech, Inc.) is an enterprise partnership management platform headquartered in Santa Barbara, California. Founded in 2008 (originally as Impact Radius) by Per Pettersen, Wade Crang, Roger Kjensrud, Lisa Riolo, Marc Diana, and Todd Crawford, the company provides a global SaaS platform designed to automate and scale the full partnership lifecycle. Its software streamlines partner discovery, contract management, tracking, fraud protection, and automated cross-border payments across diverse channel types - including affiliate marketing, influencer management, brand-to-brand partnerships, mobile app referrals, and publisher commerce content.
HQ: Santa Barbara, United States • Media & Entertainment • Software • Influencers • Sales & Marketing • Est. 2008
Equity • In office (Cape Town, South Africa) • Contractor
SQL
Java
AI/ML
Copilot
Cursor
LLM
Synthetic Data
DevOps
AWS
Azure
GCP
Web3
Abstract
QA
Playwright
Cucumber
Selenium
Create, grow, and monetize your newsletter with easy-to-use newsletter tools. Build email newsletters and websites without any coding.
Advertising • 51-200 employees • Est. 2021
Equity • Senior • 8+ years exp • In office • Full-Time • Staff
Ruby
Ruby
RSpec
Ruby on Rails
DevOps
Cloudflare
Web3
Abstract
QA
Cypress
Playwright
Selenium
Powered by Pioneer is a Web3-focused talent platform and recruitment service provider specializing in the blockchain and cryptocurrency ecosystem. The organization connects software engineers, infrastructure developers, and specialized digital talent with major Web3 projects and open-source blockchain networks, such as BNB Chain. Additionally, it provides bespoke software engineering support and IT consultancy services to help organizations build and scale decentralized digital infrastructure.
HQ: San Francisco, United States • Information Technology
Staff+ • Remote (United Arab Emirates, Hong Kong, Singapore) • Architect
C++
JavaScript
Python
Web3
opBNB
Remote (Hong Kong, Singapore) • Full-Time
Node JS
Python
JavaScript
AI/ML
AI Agents
Claude
Claude Code
Cursor
LLM
Prompt Engineering
RAG
Function Calling
Model Context Protocol
A2A
Frontend
GraphQL
React.js
Rollup
DevOps
GitHub
Web3
Smart Contracts
Chainlink
Optimism
Chainlink CCIP
DeFi
LayerZero
OP Stack
Rollup
Zk-Proofs
Bosch is a leading global supplier of technology and services, operating across mobility solutions, industrial technology, consumer goods, and energy and building technology. Headquartered in Germany, the enterprise is renowned for its innovations in Internet of Things (IoT) software, automotive components, power tools, and household appliances.
HQ: Gerlingen, Germany • Consumer Electronics • Artificial Intelligence • Hardware • Home Appliances • Automotive Manufacturing • Manufacturing • Consumer Goods • 5000+ employees
Senior • 5+ years exp • In office (Wuxi, China) • Master's Degree • Full-Time • Middle • English • Chinese
C++
DevOps
gRPC
RTOS
Web3
Abstract
IoT
FreeRTOS
Blockchain Infrastructure • Blockchain & Crypto
Remote (United Kingdom) • Full-Time
Bitcoin
Ethereum
Rollup
Starknet
Zk-STARKs
Remote (Portugal) • Full-Time
Bitcoin
Ethereum
Rollup
Starknet
Zk-STARKs
Cyncly was created in September of 2022 as the new brand to unite Compusoft, 2020 and their affiliate companies after the two companies merged in 2021. The combined group created a global software powerhouse with more than 2,300 employees and 70,000+ customers across 100+ countries. Our company brings the best together, providing specialized visualization, sales, manufacturing and content solutions for customers wanting to bring spaces to life and bring life to spaces.
New York • Pune • London • Lisbon • Bengaluru • Software • Manufacturing • Artificial Intelligence • 1001-5000 employees
≈ $28k – $71k per year (Estimated) • Senior • 5+ years exp • In office (Kochi, India) • Bachelor's Degree • Senior
Java
Python
Databases
ArangoDB
Neo4j
AI/ML
AI Agents
AutoGen
DeepSeek
Fine-tuning
LangChain
LangGraph
Llama
LLM
Ollama
Prompt Engineering
Qwen
RAG
vLLM
GraphRAG
Hugging Face
Knowledge Graph
OpenAI
DevOps
CI/CD
Vector
Web3
Abstract
