Daylight is revolutionizing the energy landscape by building a distributed electric utility. We empower homeowners to actively participate in a smarter, more sustainable grid. Our transaction recommendation API helps apps, protocols, and creators grow. We're currently focused on providing solar subscription (PPA) offerings to customers, providing a way to lower their electric bills. Our tech stack leverages a variety of technologies, including DNSSEC, Font Awesome, Amazon, Cloudflare CDN, Cloudflare, Cloudflare Hosting, Cloudflare Network Error Logging, Domain Not Resolving, and Express, reflecting our commitment to a robust and reliable platform. As a small, but rapidly growing team of 1-10 employees, we value innovation and collaboration. We are backed by prominent investors like a16z and Framework, indicating our strong market position and potential for future growth. We are building technology that serves everyone, and we believe diverse perspectives make our team and our product stronger. Our mission is to create a future where communities power themselves, fostering energy independence and sustainability. Our culture is one of innovation, collaboration, and impact. We offer remote work opportunities within the US, creating a flexible and inclusive work environment.

Ithaca is at the forefront of accelerating the crypto frontier. We are building the future of Bitcoin by leveraging existing Layer 2 solutions like Optimism and Starkware, and utilizing the Reth SDK to empower developers. We are a remote-first company, with a global team of less than 20 engineers focused on creating fast, cheap, global, and private crypto experiences. Our team has shipped some of the industry’s most-used open-source tools, including Reth and Foundry. We focus on sustainable open-source development and building the right incentive systems for commercial consumer applications. We foster a collaborative and innovative environment where engineers can contribute to core crypto infrastructure and solve challenging problems in UX, interoperability, security, and privacy. Our tech stack includes TypeScript, React, Vite, Tailwind CSS, Viem, and Wagmi, along with other modern tools. We emphasize fast iteration cycles driven by performance benchmarking and robust testing practices. We are backed by $20M in funding from Paradigm and are committed to solving the toughest challenges in the blockchain space. Our commitment to open-source and developer enablement makes us a unique and impactful player in the industry.

DoubleZero is building the future of high-performance networks for distributed systems and blockchains. We're developing a global fiber network designed to dramatically increase bandwidth and reduce latency, essentially creating a new Internet optimized for the demands of decentralized technologies. Our solution filters unnecessary data and leverages underutilized private fiber links to create a highly efficient mesh network. This enables blockchains and other distributed systems to achieve performance levels currently unattainable. We're at the forefront of the blockchain infrastructure revolution, with a mission to empower blockchains to reach new heights of performance. The DoubleZero Foundation drives adoption, decentralization, security, and advancement of the protocol, while Malbec Labs develops the underlying technical components. Our team, currently under 10 employees, works remotely and is supported by $28M raised in an Initial Coin Offering. We offer a unique opportunity to shape the future of the internet, build cutting-edge tech, and work with a collaborative, innovative team. We are a remote-first company, attracting top talent from around the globe. We value intellectual curiosity, independent problem-solving, and a strong passion for decentralized systems. If you're an enthusiast eager to solve some of the world's most complex problems, we encourage you to apply. Our culture fosters ownership, collaboration, and a shared drive to make a significant impact in the blockchain space.

LI.FI is building the future of DeFi infrastructure, providing a crucial bridge and DEX aggregation protocol for the application layer. We're streamlining how users and institutions access the world of decentralized finance, enabling seamless movement of assets across multiple blockchains. Our primary product is a unified API that simplifies multi-chain DeFi for traditional financial institutions, fintechs and service providers, providing access to on-chain liquidity. We're at the forefront of the multi-chain revolution, tackling the complexity that comes with navigating RPCs, bridges, DEXs, and other elements of DeFi. Our technology stack includes technologies like Common Crawl, HSTS, and Font Awesome. We operate with a remote-first culture, with team members spread globally, offering flexible working hours, and a strong emphasis on ownership and accountability. We embrace differences, promote a culture of learning from failure, and make sure fun is always at the core of it. Our engineering team is focused on building and maintaining a robust and scalable system. We value innovation and encourage our team to explore new technologies and approaches. We have a strong commitment to continuous improvement and strive to create a supportive and collaborative work environment. We're a fast-growing company with a recent Series A funding, and we're looking for talented individuals to join our mission of creating a more decentralized world. With a team of 51-100 employees and offices in Berlin, Germany, we're dedicated to making complex technologies accessible to everyone. We offer annual team offsites, generous PTO, equity participation, and a personal development budget to support our team's growth. LI.FI is an equal opportunity employer dedicated to fostering a workplace that values each team member's unique contributions and background.

0x is a company that operates as an open protocol facilitating peer-to-peer exchange of tokens on the Ethereum blockchain, utilizing various technologies to enhance user experience.

Bluefin is revolutionizing derivatives trading with a cutting-edge, decentralized, orderbook-based exchange. We're building the infrastructure for the future of finance, giving both first-time users and professional traders access to advanced financial products. Our focus is on innovation and building a more open and accessible financial ecosystem. We leverage a modern tech stack including SPF, Organization Schema, IPv6, Cloudflare Hosting, and Grafana, among others, to ensure a robust and scalable platform. Our engineering culture emphasizes collaboration and ownership. We are backed by leading investors like Polychain Capital, Susquehanna, and Flow Traders, and have raised a total of $37.5M in funding, fueling our rapid growth. Our team is globally distributed, and we embrace a remote-first work environment. This enables us to attract top talent from around the world and foster a culture of flexibility and asynchronous communication. This role is an example of our commitment to remote work. We offer unlimited paid time off, training & development opportunities, token allocation and offsites across the world. Our commitment to innovation and a supportive work environment make Bluefin an exciting place to build your career in the rapidly evolving world of DeFi.

Kiln is building the future of staking for digital assets. We provide an enterprise-grade rewards platform that empowers institutional clients to seamlessly stake assets and integrate staking and DeFi functionality into their offerings. Our API-first platform offers fully automated validators, access to staking & DeFi protocols, and comprehensive data and commission management. We're leading the way in this rapidly evolving space, and currently manage over $13 billion in crypto assets, a testament to our robust technology and commitment to client success. Our technology stack reflects our commitment to technical excellence and includes Go, TypeScript, PostgreSQL, and REST APIs, among others. We leverage smart contract languages like Solidity and technologies like Kubernetes and AWS to power our platform. We are a SOC 2 Type 1 and Type 2 certified company. Our engineering culture is built on innovation and driven by technical excellence. We value trust and transparency in our communication and believe in an innovation-driven meritocracy. We offer a fast-paced, bureaucracy-free work environment with flexible remote working options, including remote positions in Western EU and the USA. Employees are empowered to choose their IT equipment and we provide a significant personal development budget. We've raised $30M in funding and serve over 140 leading clients, including Binance, BitPanda, and Crypto.com. Join our team of over 90 ecosystem enthusiasts from industry leaders and help us build a more secure, stable, and decentralized web! We are an Equal Opportunity Employer committed to fostering an inclusive and diverse workplace. We welcome applications from all backgrounds, including women and persons with disabilities.

Fireblocks is a leading blockchain security platform protecting digital assets in transit. We empower banks, fintechs, exchanges, and institutional investors to securely manage their digital assets using our robust Fireblocks Network and MPC-based wallet infrastructure. Our platform simplifies and secures the movement of digital assets between exchanges, brokers, and wallets, mitigating risk and ensuring compliance. We're trusted by some of the world's largest financial institutions, including BNY Mellon, BNP Paribas, and ANZ Bank, a testament to the security and reliability of our technology. Our tech stack leverages a variety of technologies including Viewport Meta, iPhone/Mobile compatibility, SPF, SSL, Apple Mobile Web Clips Icon, Google Tag Manager, DNSSEC, and HSTS, reflecting our commitment to both security and user experience. Fireblocks fosters a collaborative, innovative engineering culture that values continuous improvement and problem-solving. We embrace diversity and inclusion, reflecting the global reach of our clients and our remote-first work environment. Our mission is to enable every business to easily and securely access digital assets and cryptocurrencies. We are a rapidly growing company with significant funding and a strong leadership team, and we're seeking talented individuals to join us in building the future of digital asset security. We are committed to creating a transformational impact on the financial technology landscape. Fireblocks boasts a diverse workforce and a supportive environment, making it an exciting place to build your career and contribute to the advancement of digital asset security. We value creativity, collaboration, and data-driven decision making across all departments.

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.

Vendia is a technology company focused on innovative backend solutions, currently seeking a Principal Backend / Core Engineer to join their team.