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Chantilly • Reston • Hanover • San Antonio • Washington • Military • Cybersecurity • Government • 51-200 employees • Est. 2013
≈ $114k – $259k per year (Estimated) • Senior • 5+ years exp • In office (Washington, United States) • Bachelor's Degree • Full-Time • Senior
Solidity
Web3
Bitcoin
Chainalysis
DeFi
Smart Contracts
TRM Labs
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
Euronext (Euronext Paris: ENX) is the premier pan-European financial market infrastructure operator, legally incorporated in Amsterdam, Netherlands, with main operational headquarters in Paris, France. Formed in 2000 through the historic merger of the Amsterdam, Brussels, and Paris bourses, Euronext has grown through strategic acquisitions - including Borsa Italiana, Oslo Børs, and the Dublin Stock Exchange - to operate regulated securities markets across seven key European nations (France, the Netherlands, Belgium, Italy, Ireland, Portugal, and Norway).
HQ: Paris, France • HQ: Amsterdam, Netherlands • Investment Banking • Capital Markets • Financial Services • 201-500 employees • Est. 2000
Middle • 3+ years exp • In office (Paris, France) • Bachelor's Degree • Contractor • Middle
Solidity
AI/ML
Tokenization
Web3
Smart Contracts
Token Standards
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
≈ $180k – $328k per year (Estimated) • Executive • 8+ years exp • Remote (United States) • Full-Time • Architect
Go
Rust
Solidity
Web3
Aave
Arbitrum
Ethereum
Smart Contracts
ZeroDev
≈ $180k – $328k per year (Estimated) • Executive • 8+ years exp • United States • Remote (United States) • Full-Time • Staff
Go
Rust
Solidity
Web3
Aave
Arbitrum
Ethereum
Smart Contracts
ZeroDev
≈ $145k – $284k per year (Estimated) • Lead • Remote (United States) • Full-Time • Architect
Go
Rust
Solidity
Web3
Aave
Arbitrum
Ethereum
Smart Contracts
ZeroDev
Parity Technologies is a core Web3 and blockchain infrastructure development firm best known for building foundational technologies for the Polkadot ecosystem. Founded in 2015 by Ethereum co-founder Gavin Wood and Jutta Steiner, the company initially developed Parity Ethereum before pivoting to pioneer multi-chain interoperability. Parity created Substrate, a modular open-source framework that allows developers to build custom blockchains, and spearheaded the technical development of Polkadot - a decentralized protocol connecting heterogeneous blockchain networks.
Berlin • Blockchain & Crypto • Web3 & dApps • Blockchain Infrastructure
≈ $67k – $160k per year (Estimated) • Lead • Berlin • Remote (Germany) • Full-Time • Staff
Solidity
Web3
Core Blockchain
Ethereum
Polkadot
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
≈ $58k – $147k per year (Estimated) • Senior • Remote/Hybrid (São Paulo, Rio de Janeiro, Belo Horizonte, Campinas, Brazil) • Relocation • Full-Time • Senior
Clojure
Solidity
DevOps
AWS
Cybersecurity
Threat Modeling
Web3
Smart Contracts
DeFi
RedStone is a modular oracle company founded in 2021 with a core team based in Warsaw. It delivers price data through a pull model in which applications fetch and verify signed values only when needed, reducing cost on expensive chains. The provider specialises in feeds for staked and yield-bearing assets that conventional oracles cover poorly.
HQ: Warsaw, Poland • Cybersecurity • Security Compliance • Blockchain & Crypto • DeFi • 11-50 employees • Est. 2021
$64k – $97k per year • Remote (Poland) • Internship
Go
JavaScript
Node JS
Rust
Solidity
TypeScript
Databases
InfluxDB
DevOps
GitHub
Amazon EC2
AWS
AWS Lambda
Docker
GCP
GitHub Actions
Grafana
Terraform
Amazon CloudWatch
Amazon ECS
Web3
DeFi
RedStone
Modular Blockchain
Xsolla is a global video game commerce company that provides specialized financial and operational tools tailored for the gaming industry. The firm helps game developers and publishers fund, launch, market, and monetize their titles across PC, mobile, web, and cloud platforms. By operating as a merchant of record with support for over 1,000 local payment methods, it enables direct-to-consumer sales and seamless cross-border transactions for gaming studios worldwide.
HQ: Los Angeles, United States • Financial Services • Payments • Game Development • Gaming • 1001-5000 employees • Est. 2006
Remote (Serbia) • Full-Time
Go
Node JS
Solidity
TypeScript
JavaScript
Databases
Apache Kafka
NATS
PostgreSQL
AI/ML
Claude
Copilot
Cursor
Frontend
React.js
DevOps
CI/CD
Git
Kubernetes
Web3
Account Abstraction
Ethers.js
Reown
Smart Contracts
Token Standards
Ethereum
NFT
Solana
The Graph
Senior • 7+ years exp • In office (Kuala Lumpur, Malaysia) • Full-Time • Senior
Bash
PHP
Solidity
DevOps
CI/CD
Git
Web3
MetaMask
Reown
Smart Contracts
Coinbase Wallet
Management
Jira
QA
Postman
Cypress
Playwright
Selenium
Paradex is a decentralized crypto-derivatives trading platform engineered as a high-performance Layer-2 Appchain using Starknet technology. Incubated by institutional liquidity network Paradigm, the exchange specializes in perpetual futures, spot trading, and options. Paradex combines off-chain order matching with on-chain Ethereum settlement, giving traders centralized-exchange speeds and unified margin efficiency while maintaining self-custody over their funds.
HQ: Singapore • Blockchain & Crypto • Crypto Exchanges • DeFi
Lead • 8+ years exp • In office (Singapore) • Full-Time • Principal
C++
Go
JavaScript
Python
Solidity
DevOps
AWS
Kubernetes
Web3
Smart Contracts
≈ $94k – $214k per year (Estimated) • Senior • 7+ years exp • In office (Singapore) • Full-Time • Senior
Python
Solidity
DevOps
AWS
Azure
GCP
IAM
Cybersecurity
SOC 2
Threat Modeling
Web3
DeFi
Smart Contracts
≈ $96k – $243k per year (Estimated) • Senior • 5+ years exp • In office (Singapore) • Full-Time • Senior
C++
Go
JavaScript
Python
Solidity
DevOps
AWS
Kubernetes
Web3
Smart Contracts
LiveEO is a Berlin company founded in 2018 that analyses satellite imagery to monitor infrastructure. Its algorithms detect vegetation encroachment, ground movement and construction risk along railways, pipelines and power lines. The company works with major European network operators and on deforestation compliance reporting.
HQ: Berlin, Germany • Transportation & Logistics • Financial Services • Audit • Supply Chain • Cybersecurity • Est. 2018
≈ $68k – $173k per year (Estimated) • Equity • Senior • Remote/Hybrid (Berlin, Germany) • Full-Time • Senior
Python
Solidity
Databases
Databricks
DevOps
AWS
Amazon EC2
Amazon S3
Web3
Slither
Talan is an international technology and management consulting group headquartered in Paris, France. The firm specializes in guiding large enterprises and public institutions through digital transformation, leveraging cloud technology, artificial intelligence, data intelligence, blockchain, and IoT.
HQ: Paris, Levallois-Perret, France • Data Management • Business Intelligence • Data & Analytics • Artificial Intelligence • IT Consulting • Information Technology • 1001-5000 employees
In office (Paris, France) • Full-Time • Senior • French: C1
Rust
Solidity
Web3
Ethereum
Smart Contracts
Token Standards
Decrypt is an independent digital media publisher and editorial platform focused on cryptocurrency, blockchain technology, Web3, artificial intelligence, and emerging decentralized technologies. Launched in 2018 (originally incubated by Consensys) and headquartered in New York City, the publication delivers breaking news, analytical journalism, educational guides, and reviews covering decentralized finance (DeFi), NFTs, layer-1/layer-2 networks, and crypto regulation.
Data & Analytics • Cryptocurrencies • Blockchain & Crypto • Est. 2018
≈ $93k – $174k per year (Estimated) • Junior • 2+ years exp • Remote (United States) • Contractor • Junior
JavaScript
TypeScript
Solidity
Databases
PostgreSQL
AI/ML
Claude
Claude Code
AI Agents
Frontend
Next.js
React.js
Remix
Tailwind CSS
Vite
DevOps
Azure
CI/CD
Cloudflare
Git
Kubernetes
GitHub
Web3
Smart Contracts
Ethereum
Remix
Design
Figma
Injective is a financial blockchain infrastructure developer headquartered in New York City, United States, and founded in 2018. The company develops a layer 1 blockchain protocol optimized for decentralized finance applications, including perpetual swaps, spot trading, and asset tokenization. It operates as an open-source ecosystem serving institutional clients, developers, and global financial markets through its interoperable network and plug-and-play modules.
HQ: New York, United States • Financial AI • Artificial Intelligence • Capital Markets • Financial Services • Asset Tokenization • DeFi • Blockchain & Crypto • Blockchain Infrastructure • Est. 2018
≈ $71k – $201k per year (Estimated) • Middle • 3+ years exp • Remote (United States) • Full-Time • Middle
Go
Rust
Solidity
Web3
Cosmos
CosmWasm
DeFi
Ethereum
Injective
Layer 2
Smart Contracts
Solana
Tendermint
Swift (Society for Worldwide Interbank Financial Telecommunication) is a global member-owned financial cooperative headquartered in La Hulpe, Belgium. Established in 1973 by 239 banks from 15 countries, Swift serves as the backbone of the international financial ecosystem by providing a secure, standardized global financial messaging network. Connecting more than 11,500 banking organizations, securities institutions, and corporate customers across over 200 countries and territories, Swift enables users to exchange standardized financial messages reliably and securely.
HQ: La Hulpe, Belgium • Financial Services • Crypto Wallets • Payments • Blockchain & Crypto • 1001-5000 employees • Est. 1973
$122k – $226k per year • Staff+ • 10+ years exp • In office (Manassas, United States) • Bachelor's Degree • Staff
JavaScript
Python
Rust
Solidity
TypeScript
Solidity
Truffle
DevOps
CI/CD
Web3
DeFi
Ethereum
Foundry
Hardhat
Smart Contracts
Solana
Token Standards
$67k – $124k per year • Junior • 2+ years exp • In office (Brussels, Belgium) • Bachelor's Degree • Junior
C++
Go
JavaScript
Kotlin
Python
Solidity
TypeScript
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
gRPC
Kubernetes
Rest API
Web3
Corda
Cosmos
Ethereum
Hyperledger Fabric
Smart Contracts
$101k – $188k per year • Middle • 3+ years exp • In office (Manassas, United States) • Bachelor's Degree • Middle
C++
Go
JavaScript
Kotlin
Python
Solidity
TypeScript
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
gRPC
Kubernetes
Rest API
Web3
Corda
Cosmos
Ethereum
Hyperledger Fabric
Smart Contracts
Morpho is a decentralised lending protocol founded in 2021 by a team based in Paris. It replaces monolithic lending pools with minimal, immutable markets that anyone can configure, layering curated vaults on top for passive depositors. The protocol is used by fintech applications and exchanges to embed crypto-backed lending without operating their own credit infrastructure.
HQ: Paris, France • Creative Agencies • Design & Creative • Branding • Est. 2021
≈ $52k – $102k per year (Estimated) • Senior • 3+ years exp • Paris • Remote (France) • Master's Degree • Full-Time • Senior
Solidity
Solidity
Certora
Web3
DeFi
Ethereum
Morpho
Smart Contracts
≈ $165k – $302k per year (Estimated) • Staff+ • 7+ years exp • Remote/Hybrid (New York, United States) • Full-Time • Architect
Solidity
Web3
DeFi
Ethereum
Morpho
Smart Contracts
Robotics
Apollo
≈ $115k – $255k per year (Estimated) • In office • Full-Time
Move
Python
Rust
Solidity
Move
Move Prover
Solidity
Certora
Echidna
Web3
MEV
Smart Contracts
Staking
Cosmos
Ethereum
Aptos
CosmWasm
Foundry
OpenZeppelin
Solana
Sui
The Nomic Foundation is an organisation with roots in Buenos Aires that maintains Hardhat, one of the most widely used Ethereum development environments. Its tooling covers compilation, testing, debugging and deployment for smart contract engineers. The foundation is funded to work on developer experience as public infrastructure rather than as a commercial product.
HQ: Buenos Aires, Argentina • Cryptocurrencies • Est. 2018
Senior • 5+ years exp • Remote (AMER, Europe) • Full-Time • Senior
C#
C++
Go
Java
Rust
Solidity
TypeScript
Web3
Ethereum
Hardhat
Lead • 6+ years exp • Remote (AMER, Europe) • Full-Time • Senior
Rust
Solidity
TypeScript
Web3
Ethereum
Hardhat
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.
HQ: Ho Chi Minh City, Vietnam • Blockchain & Crypto • Est. 2018
Junior • 2+ years exp • In office • Master's Degree • Full-Time • Junior
Solidity
Go
Python
Go
Chi
Cybersecurity
Threat Modeling
Web3
Bitcoin
Ethereum
Ronin
Smart Contracts
Solana
Monad Labs is a blockchain company founded in 2022 and based in New York by former high-frequency trading engineers. It builds a network that keeps full compatibility with the Ethereum Virtual Machine while executing transactions in parallel with a custom database. The project raised one of the largest funding rounds of its cohort ahead of mainnet launch.
HQ: New York, United States • Web3 & dApps • Blockchain & Crypto • Est. 2022
≈ $162k – $355k per year (Estimated) • Executive • Remote (United States) • Full-Time • Architect
Solidity
Web3
Aave
DeFi
Monad
Morpho
DAO
Ethereum
Smart Contracts
Bitbo is a financial data and analytics platform headquartered in Santa Fe, New Mexico, and was founded in 2020. The company provides a real-time Bitcoin dashboard that monitors on-chain data, live price action, mining statistics, and institutional ETF holdings. It serves a global audience of cryptocurrency investors and researchers through its web-based interface and programmatic API for technical and economic indicators.
HQ: Santa Fe, United States • FinTech • Financial Services • Analytics Platforms • Data & Analytics • Mining & Staking • Blockchain Analytics • Cryptocurrencies • Blockchain & Crypto • Est. 2020
≈ $106k – $256k per year (Estimated) • Staff+ • 5+ years exp • In office (Zurich, Switzerland) • Full-Time • Architect • German
Java
Python
Rust
Solidity
DevOps
AWS
Azure
CI/CD
GCP
Platform Engineering
Docker
Kubernetes
Web3
Bitcoin
DeFi
Ethereum
Layer 2
Smart Contracts
≈ $60k – $155k per year (Estimated) • Junior • 5+ years exp • In office (Lugano, Switzerland) • Full-Time • Architect • German
Java
Python
Rust
Solidity
DevOps
AWS
Azure
CI/CD
GCP
Platform Engineering
Docker
Kubernetes
Web3
Bitcoin
DeFi
Ethereum
Layer 2
Smart Contracts
