SFOX is a leading cryptocurrency prime dealer providing institutional investors and professional traders with superior execution and returns on high-volume trades. We achieve this through smart order routing across a globally integrated order book, connecting to over 30 exchanges and OTC desks. Our platform delivers best execution services from a single account, simplifying workflows and maximizing capital efficiency. We're committed to the highest standards of security and reliability, holding SOC 2 certification and maintaining 99.99% uptime. Our engineering team builds and maintains high-performance, low-latency distributed trading systems. We leverage technologies including Golang, C#, Java, MySQL, and Snowflake, employing rigorous testing and a focus on code quality and security. We foster a remote-first culture that values collaboration, innovation, and a healthy work-life balance. We are proud to be backed by prominent investors like Social Capital, Digital Currency Group, and Y Combinator. SFOX's mission is to open the world's financial markets to everyone. We are a rapidly growing company with a strong commitment to diversity and inclusion. We offer competitive compensation and benefits, including unlimited PTO, paid holidays, and comprehensive health insurance. Join us and be part of shaping the future of cryptocurrency trading. We are a Y Combinator alumni company, and have received significant funding, demonstrating strong market traction and a commitment to innovation within the crypto space. We currently employ between 11 and 50 people and offer a variety of roles in technology, sales, finance, and operations, all with a focus on scaling a platform to handle millions of trades daily.

Nethermind is a global team of over 350 builders and researchers dedicated to empowering enterprises and developers in decentralizing systems through expertise in Ethereum, Starknet, cryptography, DeFi, and more. The company collaborates with prominent organizations and operates fully remotely across more than 66 countries.

Founded in 2016, Crypto.com today serves over 10 million customers with the world’s fastest growing crypto app, along with the Crypto.com Visa Card — the world’s largest crypto card program — the Crypto.com Exchange and Crypto.com DeFi Wallet. Crypto.com NFT is the premier platform for collecting and trading NFTs, carefully curated from the worlds of art, design, entertainment and sports. Crypto.com is built on a solid foundation of security, privacy and compliance. With headquarters in Singapore and over 2,600 people in offices across the Americas, Europe and Asia, Crypto.com is accelerating the world’s transition to cryptocurrency.

Phantom builds secure and user-friendly digital wallets for DeFi and NFTs, operating primarily on the Solana blockchain but expanding to others like Ethereum and Polygon. We've quickly become a market leader, boasting over 7 million monthly active users and achieving top rankings in app stores. Our engineering team employs a robust tech stack, including AWS, Kubernetes, GitHub Actions, Terraform, Docker, and utilizes Maestro and Playwright for comprehensive testing. We prioritize a collaborative, remote-first work environment, offering competitive salaries, equity, and comprehensive benefits. Our mission is to make the digital economy safe and accessible to everyone, and we're seeking talented individuals to join our rapidly growing team. Backed by significant Series A and B funding rounds from leading investors like Andreessen Horowitz and Paradigm, Phantom is poised for continued expansion and innovation in the Web3 space. Our engineering culture emphasizes speed and security. We utilize agile methodologies and CI/CD pipelines to ensure rapid iteration and high-quality releases. We invest heavily in developer tools and infrastructure, allowing engineers to focus on creating innovative solutions. We embrace a fully remote work model, prioritizing flexibility and work-life balance for our employees across the US and EU. We actively encourage diverse perspectives and foster a welcoming and inclusive environment where everyone can thrive. Phantom's commitment to building a secure, intuitive user experience has driven exceptional growth. We’ve consistently ranked as a top mobile application in various categories, and we're actively expanding our multi-chain capabilities and feature set. We're proud of our accomplishments and excited about the future, and believe that our employees are crucial to our continued success. Join a team that values innovation, collaboration, and making a tangible impact on the evolving landscape of digital finance.

OP Labs is a software development company focused on scaling Ethereum technology and its core values. Their primary product is Optimism, a protocol extending Ethereum to significantly improve performance. The company is at the forefront of the blockchain protocol landscape, fostering a scalable and sustainable ecosystem dedicated to solving key coordination issues. OP Labs contributes to the Optimism protocol, enabling orders of magnitude improved performance and scalability to Ethereum. They are tackling pivotal coordination challenges of the digital age, harmonizing private incentives with public good for a resilient internet. Their current tech stack includes TypeScript, Solidity, and Golang, alongside established technologies like Google Analytics, CDN, and various schema implementations. Engineering practices emphasize open-source contributions and developer experience. OP Labs is a remote-first company with a global presence, offering local hubs for team collaboration. Their culture emphasizes a diverse team and collaborative environment. They prioritize employee well-being, offering competitive compensation and benefits, including fully paid medical, dental, vision, and 401k match. Their long-term vision is reflected in their team's commitment to scaling Ethereum since 2015. OP Labs is actively hiring for a Senior Full Stack Engineer to join their Developer Experience (DevX) team. This role will be integral in building tools and services to improve the Superchain development process. The team is seeking individuals with a strong engineering background, a passion for the developer experience, and a commitment to open source development. The company is well-funded as evidenced in the Crunchbase data.

Paradigm is a technology-focused company that is actively seeking a Principal Infrastructure Engineer with expertise in DevSecOps to bolster its team. Information on the number of employees and further company details is currently unavailable.

prePO is a decentralized trading platform enabling speculation on the valuations of pre-IPO companies and pre-token crypto projects. The company aims to democratize access to pre-public equity through a fully remote, globally distributed team supported by leading investors in the crypto and fintech sectors.

Loopring builds and operates an open-source protocol for decentralized exchanges (DEXs) on the Ethereum blockchain. We're at the forefront of the decentralized finance (DeFi) revolution, empowering users with secure, cost-effective, and transparent trading experiences. Our innovative zkRollup Layer 2 technology enables high-throughput transactions without compromising Ethereum's security. This cutting-edge technology forms the backbone of our DEX, allowing for significant scalability improvements compared to traditional Layer 1 solutions. Our engineering team utilizes a robust tech stack including Ethereum, smart contracts, and various tools for load balancing (Fastly) and content delivery. We foster a collaborative and remote-friendly work environment, valuing innovation, open-source principles, and a commitment to building a better, more decentralized financial future. While we operate globally, our focus is on creating a high-impact platform and are proud to see our technology integrated with projects like the GameStop NFT Marketplace. Loopring is a well-funded company, having secured $87 million in funding across multiple rounds. Our team blends deep technical expertise with a passion for blockchain technology, creating a dynamic and engaging work environment. We pride ourselves on being a pioneer in the DeFi space, continually pushing the boundaries of what's possible within the decentralized ecosystem. Our rapid growth and market impact demonstrate our commitment to providing innovative solutions and building a secure, accessible, and efficient future for decentralized trading. Loopring operates as a non-profit foundation committed to the advancement of open and decentralized financial technologies. We value collaboration, transparency, and innovation, and foster a culture where individuals can thrive and contribute their unique skills and perspectives. We’re seeking talented individuals to join our global team and help us reshape the future of finance.

Uniswap is the largest decentralized exchange operating on the Ethereum blockchain, enabling global users to trade crypto without intermediaries.

Eclipse is a San Francisco-based L2 blockchain startup founded in 2022 by Neel Somani. Set to launch its mainnet in Q4 2023, Eclipse aims to be the fastest Ethereum L2 powered by the SVM, offering dedicated throughput and scalability for developers. The team consists of experienced professionals from top firms, and the company is backed by renowned investors.