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Candidate profile Background in Computer Science or any related field such as Mathematics & Physics. Loves to find bugs in software systems and has a great eye for detail. Fluent English communication, both written and spoken. Fluent in reading and writing medium-to-complex Solidity smart contracts. Knows the DeFi ecosystem landscape. Knows the major Ethereum smart contract security issues and economical attacks. Understands how transactions and the network consensus mechanism in Ethereum work. Nice to have Knowledge of computer and network security. Hands-on experience with blockchain projects. Expertise in Rust. Partial availability (2-6h) during EST work hours to allow for communication with the team. Responsibilities Perform code reviews/audits of blockchain projects in small teams of engineers. Interact with other team members to discuss the likelihood and impact of findings. Write and review audit reports before they are shared...

OptyFi - Helping Investors Unlock Wealth from DeFi Assets Crypto-currency and Decentralized Finance (DeFi) represent a once in a lifetime wealth building opportunity. However, most people do not have the time or the technical or financial experience to capitalize on this opportunity. OptyFi was founded to address this problem. Our advanced AI powered yet intuitive platform offers passive investors an opportunity to generate wealth from decentralized assets simply and automatically. If you are passionate about changing the lives of millions of people who are locked out of the crypto/DeFi revolution due to limited expertise, experience and/or time, we want to speak to you! As Head of Marketing & Growth, you will: Lead our growth strategy  Create new extraordinary ways of user acquisition and work to acquire our first 50,000+ customers. Develop a deep understanding of our (prospective) users and their motivations Become an expert on our customer...

Who We Are: Okcoin is one of the world’s largest and fastest growing cryptocurrency exchanges. We help millions of people buy and sell bitcoin, and over 30 other crypto assets every day — but our work is a whole lot more than that. We’re building an inclusive future of finance, one that opens new opportunities to learn financial literacy, store value, and build wealth for everyone. Ready to help the next billion people experience the future of finance with us? Come on board. We have offices in San Francisco, Miami, Malta, Hong Kong, Singapore and Japan. T he Fraud Investigator is responsible to investigate cases that have been identified through our monitoring systems for potential money laundering, terrorist financing, Bank Secrecy Act violations and other fraud related issues such as wire, ACH or card fraud. This individual must have payments fraud investigation experience.  Job Functions In this role, you’ll get to: Complete comprehensive investigations...

Who We Are: Okcoin is one of the world’s largest and fastest growing cryptocurrency exchanges. We help millions of people buy and sell bitcoin, and over 30 other crypto assets every day — but our work is a whole lot more than that. We’re building an inclusive future of finance, one that opens new opportunities to learn financial literacy, store value, and build wealth for everyone. Ready to help the next billion people experience the future of finance with us? Come on board. We have offices in San Francisco, Miami, Malta, Hong Kong, Singapore and Japan. Even though this role is listed in San Francisco, we are remote friendly and believe in you working wherever you work best.  About the Opportunity:  We are looking for a Chief of Staff for our CEO to set organizational goals, identify strategic initiatives, analyze business data, support executive media opportunities, and improve internal communications and work culture.  This will be a hands-on role, supporting...

Casa is looking for a Director of Product to help us build a future where everyone can truly own and protect their wealth, data, and personal privacy. At Casa, you’ll work alongside some of the most talented and dedicated engineers, designers, and thought leaders in Bitcoin.  Our ideal candidate can work seamlessly across teams and contexts to identify and execute new product opportunities that delight our customers and grow Casa’s business. As Casa’s most senior product leader, you’ll report directly to Casa’s CEO and must have high empathy and curiosity, a growth mindset, a knack for data-driven decisions, and an eye for consumer experience. This is a highly visible role inside Casa and we hope you’ll join us in setting the bar for excellence--on your team as well as for the broader Bitcoin ecosystem.  WHAT YOU'LL DO Collaborate with Casa’s co-founders to define Casa’s strategic product roadmap  Own new products and features from inception to execution - the...

Casa is looking for a Product Manager to help us build a future where everyone can truly own and protect their wealth, data, and personal privacy. At Casa, you’ll work alongside some of the most talented engineers, designers, and thought leaders in Bitcoin to help grow and evolve Casa’s core product.  Our ideal candidate can work seamlessly across teams and contexts to identify and execute new product opportunities that delight our customers and grow Casa’s business. Product Managers at Casa must have high empathy and curiosity, a growth mindset, a knack for rational, data-driven decisions, and an eye for consumer experience. This is a highly visible role inside Casa and we hope you’ll join us in setting the bar for excellence--on your team as well as for the broader Bitcoin ecosystem.  WHAT YOU'LL DO Own new product features from inception to execution - ensure all new releases reflect Casa’s vision and strategy and also have clearly defined success metrics Act...

You will participate in managing the Perpetual Protocol referral program and other community projects to acquire new users to our platform. You will be actively talking our our referral partners, influencers, KOLs and active community members, leverage their power of voice to expand our reach. Perpetual Protocol is the leading derivatives exchange that builds and maintains a decentralized finance (DeFi) platform, having been live since December 2020 and facilitated over 20 billion dollars in trading volume so far. If you are fascinated by cryptocurrency, DeFi and the future of finance, joining the PERP team will put you at the forefront of a global trend that may be the most important of our era. More info at: https://www.perp.fi/ Responsibilities Planing and executing the referral program Working and liaising with influencers, KOLs and active community members Identify opportunities for collaboration with existing or new influencers Initiating...

What is BlockFi? BlockFi’s mission is to provide liquidity, transparency and efficiency to digital financial markets by creating products that meet the needs of consumers and corporations across the globe. We build bridges between traditional finance and digital markets that enable growth for all participants. We’re a team of builders and strivers, proud to champion financial inclusivity and offer economic opportunities around the globe. We provide the same inclusivity to our team members. BlockFi is a place where diversity is celebrated, individuality is recognized, and every single team member is valued. We are changing the status quo to be the first financial company that people love, and we rely on our people to make it happen! About Your Team BlockFi is seeking an experienced AML Suspicious Activity Report (“SAR”) Manager to join the  Compliance team at BlockFi. In this role, you will oversee the drafting and filing of the SAR team at BlockFi referred to you...

Mamoru Mamoru is a leading global digital asset financial services group. Our goal is to provide an all-rounded solution to facilitate easiest access to digital assets and the smartest asset management products with our state-of-the-art technology and global coverage. Our team is a group of elites coming from technology, market making and venture capital backgrounds. Job Description We are looking for a blockchain developer who will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Your primary responsibility will be analyzing requirements, designing blockchain technology around a certain business model, and the building and launching of a blockchain network. Responsibilities Research, design, develop, and test blockchain technologies Brainstorm and help evaluate applications for new tools and technologies as they continually evolve Maintain and extend current client- and server-side applications responsible for...

Exodus is looking for a meticulous Backend Engineer to focus on our backend Core Services. As a Node.js Engineer, you believe strongly in testing and using your analytical skills to solve complex problems. What You Will Do Submit pull requests for critical back-end servers coded in Node.js, which talk to Exodus Wallet clients. Write loads of tests to ensure code performs as expected. Feature development work on Core Services Applications (With a focus on Exchange and Pricing Server) Support, Maintain, and improve our Core Services Applications Open dialogues with our community support engineers to understand what can be improved about the exchange experience in Exodus, and act on that understanding. Frameworks & Languages Node.js Javascript REST/ GraphQL PostgreSQL Redis Who You Are You are based west of UTC+1 (i.e. USA -> Eastern Europe) You have a history and track record of Node.js development that can be demonstrated via Github....

Exodus is looking for a security focused senior engineer who is passionate about identifying and fixing security vulnerabilities in the javascript and crypto ecosystem. Your role as a Senior Security Engineer is to ensure the security footprint of the third party dependencies we bring into our wallet are safe for the millions of users who use our wallet to secure and exchange their crypto assets. We are specifically looking for a security focused javascript engineer who is excited to work with our existing security team to make improvements to tooling around our security audit process and work with the team to audit in-house and third party crypto libraries. What You Will Do Every third party dependency added to our codebase goes through a multi-step security review. We need someone who will: Collaborate with product engineers to ensure that the dependencies they bring into our wallet clients are fully audited for security vulnerabilities. Figure out forking...

Exodus is looking for a security-focused engineer who is passionate about identifying and fixing security vulnerabilities in the javascript and crypto ecosystem. Your role as a Security Engineer is to ensure the security footprint of the third-party dependencies we bring into our wallet are safe for the millions of users who use our wallet to secure and exchange their crypto assets. We are specifically looking for a security-focused javascript engineer who is excited to work with our existing security team to make improvements to tooling around our security audit process and work with the team to audit in-house and third-party crypto libraries. What You Will Do Every third-party dependency added to our codebase goes through a multi-step security audit. We need someone who will: Collaborate with product engineers to ensure that the dependencies they bring into our wallet clients are fully audited for security vulnerabilities. Figure out forking strategies for large...

Exodus is looking for an engineer who is excited to explore and integrate bleeding edge cryptocurrencies into the Exodus wallet. Your role as a Blockchain Engineer is to make new blockchains accessible to the millions of users who use our wallet to secure and exchange their crypto assets. We are looking for a JavaScript engineer who is excited about the crypto ecosystem and self-motivated enough to bring new assets into our wallets. What You Will Do Research the blockchain technicals that underpin new assets and discover ways to integrate them into our Desktop and Mobile wallets. Work cross functionally with our DevOps team to configure full node software. Write indexing services in javascript that interface with the asset’s full node. Modify front-end React.js components in our wallets in order to support the asset. Implement or use 3rd-party libraries for asset signing and transaction creation. Work with the UX designers to implement UX edge cases specific to each...

Founded in 2013, Cointelegraph covers a wide range of news on blockchain technology, digital finance, and emerging fintech trends. Cointelegraph is a trusted brand that brings over 10 million monthly visitors. We have a dynamic team with members across the globe. Cointelegraph is seeking an individual to lead our efforts to re-launch as well as long term manage our online store. Cointelegraph is seeking to pivot our store to be a leading source for crypto and blockchain swag, gear, and apparel.  This is a long-term and full-time position, based anywhere in the United States. This position will start ideally by the end of September or very start of October.   We are looking for someone who is enthusiastic about developing and running our store. This person needs an entrepreneurial mindset, though they must be able to work with guidelines set by others. This position will report directly to the CEO and Chief of Staff. This person will have to interface with our product...

As our Back End Developer, you will be designing, developing, and installing software solutions. In this role, you will contribute to the products and behind the scenes of a leading PoS validator. You will work closely with our DevOps and infrastructure team members to make sure our solutions scalable and secure. What will you do? Build new services that meet critical product and business needs using TypeScript and Golang Create scalable systems to solve different problems using modern cloud technology and industry best practices Create server code that is extensible, well-tested, and secure Research blockchain implementations, setup and maintain their configurations Leverage automated testing, CI/CD, container orchestration, and other modern development techniques Design database schema that is performant, scalable, and maintainable Proactively make suggestions and challenge the status quo for improving our products and internal processes What excites us about...

As our DevOps Engineer, you will be helping us build and maintain blockchain networks and protocols. You will work on improving our current infrastructure including security, automation, and monitoring among other things. You will also have the chance to dive deep into new blockchain protocols, run testnets, build secure and scalable infra and maintain it. What will you do? Build secure and reliable infrastructure to monitor, detect and mitigate performance and security issues System administration activities for Linux servers, which includes routine, proactive daily management of the health, stability, and availability of system infrastructure Create and maintain system procedural and technical documentation Stay up to date and build on peer-to-peer networking security best practices Create, maintain and communicate threat models + risk assessments for all systems we operate What excites us about you? You have experience as DevOps/SRE/SysAdmin/Infrastructure...

As our recruiter, you will be leading our recruiting efforts and engaging with talent from across the world. You will be working with our Head of People to find and hire the best talent out there. You will have the freedom to oversee the full cycle of recruiting and be part of growing a team in an exciting industry - blockchain. For this, you will need to be creative and innovative to have the right people to come to work with us! What will you do? Source potential candidates through various channels and methods Plan and conduct screening calls, interviews, and assessments Design job descriptions and interview questions that reflect each position’s requirements and our brand spirit Coordinate with hiring managers to identify recruiting needs Develop long-term recruiting strategies and processes Provide a smooth and positive hiring experience for candidates What excites us about you? You have at least 4 years of experience recruiting You have experience with...

Description As our Counsel, you will be managing the company contracts, legal issues, and compliance. You will work with our different departments to advise on legal direction, risks, and solutions. In this role, you will also be dealing with technical and financial products and should feel comfortable with technical concepts. What will you do? Negotiating, writing, and executing agreements and contracts on behalf of the company Offering counsel on a variety of legal and compliance issues Advising executives within the company and working alongside other departments within the company Advising on contract status, legal risks, and the legal liabilities associated with different deals Researching and anticipating unique legal issues that could impact the company Reviewing advertising and marketing materials to ensure that they are in compliance with legal requirements What excites us about you? You have a law degree from a recognized university You have...

As our Software Engineer, you will be responsible to design, develop and install software solutions. In this role, you will contribute to the products and behind the scenes of a leading PoS validator. You will work closely with our engineering and infra teams to make sure our solutions scalable and secure. Ultimately, you will build high-quality, innovative, and fully performing software that complies with coding standards and technical design. What will you do? Create backend server code that is secure, fast, and extensible Leverage automated testing, CI/CD, container orchestration, and other modern development techniques Design database schema that is performant, scalable, and maintainable Bring fresh ideas from all areas of computer science, mathematics, distributed systems, cryptography, social science, and more Implement responsive UI and front-end web applications that work on desktop, mobile, and other popular devices Leverage continuous integration and other...