Job Description JOB TYPE: Direct Hire Position (no agencies/C2C - see notes below) LOCATION: Remote - Work from anywhere SALARY: $120,000 – $180,000/yr ESTIMATED DURATION: 40hr/week - Long term ABOUT US: Braintrust is the only network that gives in-demand talent all the freedom of freelance with all the benefits, community, and stability of a full-time role. As the first decentralized talent network, our revolutionary Web3 model ensures the community that relies on Braintrust to find work are the same people who own and build it through the blockchain token, BTRST. So unlike other marketplaces that take 20% to 50% of talent earnings, Braintrust allows talent to keep 100% of earnings and to vote on key changes to improve the network. Braintrust is working to change the way freelance works – for good. THE OPPORTUNITY Requirements What you will need Node.js, Typescript and JavaScript Experience with Linux operating system Excellent knowledge of shell scripting (Bash, ZSH) Strong written and verbal English communication Nice to have skills Blockchain experience Rust or Golang ProtoBuf Knowledge of WebAssembly Familiarity with the Cosmos Network ecosystem Experience with dApp development Open source development Experience with continuous integration pipelines (GitHub Actions, CircleCI, Travis) Who are we? Phi Labs is a contributor of the Archway protocol, a Cosmos based layer 1 blockchain designed to reward dapp developers. We are a software engineering company that focuses on the Cosmos SDK and CosmWasm, state-of-the-art frameworks for blockchain development. Our vision is to empower people to create a more transparent and accountable world through open, distributed, and interoperable networks. Archway is reshaping how value is created and shared across blockchain ecosystems. Initially incubated by Tendermint (Cosmos founders), Archway recently raised a $21 million seed round from Hashed and CoinFund. The Tech Cosmos Blockchain Golang Rust The Opportunity This is a unique opportunity to build at the protocol level! You will play an integral part of the Developer Tooling team, building world-class dapp developer tools that ensure a frictionless and simple experience. We have a fantastic team of engineers that strive for exemplary open-source project maintenance and top-notch software development practices. Training will be provided so if you don't have web3 experience no worries; this is a rare opportunity to make the move into crypto! What’s in it for you Remote-first company with company off-sites and retreats Flexible, dynamic environment within a diverse international team ‍ The scope to create and build high-impact work that makes a difference in the Cosmos ecosystem and blockchain industry as a whole Attractive compensation package, with a token allocation ✈️ Generous time off to rest, recharge and be your best Apply Now! ABOUT THE HIRING PROCESS: Qualified candidates will be invited to do a screening interview with the Braintrust staff. We will answer your questions about the project, and our platform. If we determine it is the right fit for both parties, we'll invite you to join the platform and create a profile to apply directly for this project. C2C Candidates: This role is not available to C2C candidates working with an agency. But if you are a professional contractor who has created an LLC/corp around your consulting practice, this is well aligned with Braintrust and we’d welcome your application. Braintrust values the multitude of talents and perspectives that a diverse workforce brings. All qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status. this is a remote position Braintrust Address San Francisco, CA 94133 USA Industry Technology

About the Company Wetez has been a professional web3 service provider since 2018. The services we offer can be divided into three parts: the validation services, the infrastructure services and the API services. Currently we are managing about $49 million valued staking assets and serving 30+ PoS networks, like Polygon, Cosmos, Solana, Mina, etc. About the Job Job Description 1.Participate in the research of new blockchain projects, run&maintain nodes. 2.Actively participate in the community communication, to catch up on the latest technology trends of nodes and enhance the influence of Wetez in the community. Requirements 1.Bachelor degree or above, 2+ years working experience in blockchain or computer science. 2.The experience in Linux system operation and maintenance, familiar with shell script. 3.Master at least one back-end programming language, such as Go, Python, PHP, etc. 4.Great English document reading ability. 5.Familiar with blockchain technology or experience is preferred. 6.Excellent teamwork, good learning and research ability. 7.Chinese speakers are preferred. Skills Go, Python, PHP

About the Company Wetez has been a professional web3 service provider since 2018. The services we offer can be divided into three parts: the validation services, the infrastructure services and the API services. Currently we are managing about $49 million valued staking assets and serving 30+ PoS networks, like Polygon, Cosmos, Solana, Mina, etc. Learn more about us: https://www.wetez.io/ About the Job Job Description 1.Participate in the research of new blockchain projects, run&maintain nodes. 2.Actively participate in the community communication, to catch up on the latest technology trends of nodes and enhance the influence of Wetez in the community. Requirements 1.Bachelor degree or above, 2+ years working experience in blockchain or computer science. 2.The experience in Linux system operation and maintenance, familiar with shell script. 3.Master at least one back-end programming language, such as Go, Python, PHP, etc. 4.Great English document reading ability. 5.Familiar with blockchain technology or experience is preferred. 6.Excellent teamwork, good learning and research ability. 7.Chinese speakers are preferred. Skills Go, Python, PHP

About the Company At Quasar, we are creating a space for everyone to benefit from the growth of DeFi. As a Senior Golang/Cosmos SDK developer you will be responsible for and take part in the development in the software architecture, development, and maintenance of a new Cosmos SDK & Tendermint based blockchain. About the Job Responsibilities - Brainstorm and develop new features taking into account both, user experience and implementation details. - Perform code reviews. - Write high quality and well tested Golang code, following the latest design and development patterns. - Ensure that the project and engineering duties are fulfilled, being responsible for solving any engineering issue that comes up in a project. - Lead the development and guarantee quality products are shipped consistently according to the company roadmap. - Provide support to the development team: answer technical questions, propose different approaches to solve technical problems and train new employees. - Lead and participate in audit sessions (and create remediation documents) and follow Agile-like processes. - Document the requirements, architecture, and proposed design to deliver the software solution. - Explore Cosmos SDK projects and other projects to be built. - Constantly improve yourself by keeping up to date with the latest technologies trends. Required Skills - A deep understanding of building performant, scalable microservices. - Strong computer science fundamentals including network, storage, OS, data structures, transpilers /compilers, etc. - 4 + years Hands-on expertise in blockchain architecture, design, development, and maintenance. - 3 + years of experience writing Golang with a good understanding of best practices, its concurrency primitives, go/* packages, and reflection. - Experience in creating microservices, working with tools like Kubernetes, Ansible, Docker, Terraform. - 2+ years of professional experience with Cosmos SDK and good understanding and working knowledge of Tendermint. - Interest in topics such as proof-of-stake, consensus algorithms, cryptography, etc. - Contribution to open-source projects. - At least one production-ready blockchain project. - Bachelor’s Degree in computer science, Engineering, Mathematics or Statistics will be nice to have. - Ability to write maintainable, extensible, and test-driven code base. - Good understanding of EVMs will be nice to have. - Excellent communication skills. Skills Golang, Cosmos SDK, Tendermint

About the Company StaFi is the liquid staking protocol unlocking liquidity of staked assets. Users can stake PoS tokens through StaFi and receive rTokens in return, which are available for trading, while still earning staking rewards. StaFi has provided the liquid staking solutions for over 10 PoS chains including ETH2.0, Cosmos and Binance chain, etc. About the Job The role of Business Development Manager in StaFi protocol is to help StaFi drive more expansion to new PoS chains, especially the Cosmos Eco projects. We hope you could help build communications with Cosmos Eco projects, and pitch them to use StaFi’s liquid staking solutions. Also, the third-party integrations of the staking derivatives(rTokens) issued by StaFi protocol. Skills 1.Familiarity with the Cosmos Eco and liquid staking 2.Highly organized, self-driven and fast learner 3.Excellent negotiation skills and Goal Oriented 4.Strong command of English

5 yrs of hands-on experience in SDLC 3 yrs of experience in Software Development Processes, & working in larger & smaller teams. Previous experience as CTO / Tech Lead will be preferred 3 yrs of hands-on experience in Blockchain specifically: designing, implementing, testing & shipping complete DApps (Blockchain + Backend + Frontend Interfaces). Ethereum-native dev, Solidity, Web3JS, Truffle/Hardhat, IPFS, etc. Familiar with L2s, at least one between: Polygon, Gnosis Chain, Optimism. Being familiar with other chains (i.e.: Polkadot, NEAR, Cosmos, …) is preferred, but not necessary. You have vast knowledge (both theoretical & practical) in: server-side programming, data structure, CI/CD, databases & end to end communication. Understanding of crypto industry, Web3 community, & internal dynamic, matured in other real-world blockchain projects 3 yrs of experience in Javascript & REST API NB: Start your application with “Create your own Standard.”