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Backend Engineer, Block River Technologies Taipei Taiwan, Remote/Hybrid, Open to Full-time/Part-time and Contractors Block River Technologies is a leading provider of cutting-edge solutions in DLT research, FinTech, and Algorithmic Trading. We're revolutionizing the financial industry through innovative technologies and data-driven insights. In this thriving environment, we are seeking an experienced Backend Engineer to join our team. As a significant contributor, you will play a key role in our web3 platform, delivering premium derivatives trading and risk management products for both retail and institutional traders. With a rich history of crafting traditional finance and Web3 products, we are on a mission to bring financial independence to the masses. We welcome talented and passionate individuals who are ready to embrace the complexities and challenges of fintech, DLT and Web3 technologies. As a Backend Engineer, you will be instrumental in building APIs and libraries that unify, enhance, and transform user experiences across our platform. Responsibilities Ability to design and implement secure, reliable, and efficient software backend services.Ability to independently debug problems involving the network and operating system.Assume technical responsibility of complex backend systems, identify opportunities for system improvement.Be willing to pick up any other technology stacks such as Bitcoin, Ethereum, web3.js, etc. when required.

工作內容 MAX 交易所與 MaiCoin 平台總共提供 18 種不同區塊鏈與 74 種數位貨幣的出入金服務，我們的團隊將主要負責提供 MAX 交易所與 MaiCoin 平台中的用戶錢包服務需求。目前，部分區塊鏈技術是串接外部的託管式錢包服務，而我們的團隊主要負責開發和維護 EVM 相容區塊鏈節點，並培養相關技術經驗與人才，迄今為止，我們團隊已完成 Ethereum、Polygon、BSC、Ethereum Classic、Arbitrum 等區塊鏈的技術串接，以提供出入金等基本錢包需求。另外，我們團隊還將根據區塊鏈最新發展技術，提供產品建議和實踐，同時也致力於提升公司技術與產品競爭力，目前已完成 MAX 交易所的 ETH Staking 服務與 MaiCoin 平台的 MaiNFT 商城等服務功能的串接。現在，我們將尋找合適的區塊鏈工程師一同加入我們，你的任務將包含: 開發與優化 MAX 交易所與 MaiCoin 平台之新幣上架與錢包服務需求研究和學習最新的區塊鏈技術，並將其串接和應用於交易所產品中參與並協助優化區塊鏈節點的開源程式碼實作 福利與環境 Macbook + 27" 大螢幕隨時補充滿滿的零食與飲料不定期辦公室聚餐與教育訓練開放式管理風格與舒適工作環境便利交通位置，捷運站出口直達 出勤與休假 彈性上班時間，可在家工作員工一入職每年享有30日不扣薪事病假女性員工每年還有3日不扣薪生理假 薪資與津貼補助 保證百萬年薪年度健康促進補助NTD 30,000結婚補助NTD 12,000生育補助NTD 20,000 - NTD 50,000喪葬補助NTD 30,000團隊團建活動每季每人補助NTD 1,000員工推薦獎金員工三節禮券員工團體保險個人進修補助

#English descriptionbelow 我們是一個在2019年成立，正處於擴張階段的新創團隊，目前全球用戶約一百五十萬人，2024的我們正努力向服務推向國際、服務更多的用戶，因此急需優秀的你來一起協助我們完成目標。 在接下去之前，建議您先去下載我們的 APP 先感受一下我們想要為用戶帶來的價值，我們的願景是打造一個讓人安心抒發交友的環境，希望加入我們的伙伴都有相同的價值觀，才不至於將來一起合作時，產生更多的溝通跟誤會。我們是一個全遠距團隊，所以擁有以下特質尤其重要：- 誠實- 自我驅動力- 高度自律- 擅長時間管理- 穩定的產出- 懂得如何透過非同步的方式溝通與協作- 開放、喜歡交流溝通 職缺描述 設計、開發和實施高效能的區塊鏈技術解決方案。與團隊合作開發新的區塊鏈產品和服務。確保區塊鏈應用的安全性、效能和可擴展性。對現有系統進行維護和優化，並確保技術架構符合設計需求。撰寫技術文件，並提供技術支援。 職務需求 技能條件要求 ​​​Min 2-years experience working with a modern Full-Stack frameworkMin 2-years of experience developing mobile web pages or web applicationsStrong foundation in Javascript/HTML/CSSFamiliar with Modern CSS framework (e.g. material design)Familiar with Node.js, Vue.js, Nuxt.js, RESTFul API, MongoDBFamiliar with TDD (e.g. Jest, Mocha)Familiar with Clean CodeFamiliar with Git commend lineProficient EnglishGreat communication skills through written (documentation) or spoken (meetings, presentations)具有至少2年後端/區塊鏈技術開發經驗。熟悉至少一種區塊鏈平台（例如Ethereum、Solana等）。熟悉智能合約的開發和部署。具有良好的程式設計技能，熟悉Solidity、TypeScript、JavaScript等程式語言。能夠獨立工作，也能與團隊協作完成目標。對學習新技術及提升自我能力有熱誠對加密貨幣、SocialFi或協議有熱情和深入研究。(Lens Protocol, CyberConnect, FriendTech) 加分條件 擁有大型區塊鏈項目的成功開發經驗。具有在跨功能團隊中工作的經驗，能夠與非技術團隊成員有效溝通。熟悉後端服務和APIs的整合。FirebaseAbility to host all the server work on GCP or any public cloud solutionTechnology conference speech ---Job Title: (Remote) Blockchain & Fullstack EngineerCompany Overview:XO is an expanding startup founded in 2019, currently boasting around 1.5 million users globally. As we aim to scale internationally and serve a wider audience in 2024, we urgently require talented individuals like you to help achieve our goals.Before proceeding, we recommend downloading our app to experience the value we wish to bring to our users firsthand. Our vision is to create a secure environment for people to connect and express themselves freely. We seek team members who share these values to avoid potential communication issues and misunderstandings in the future.As a fully remote team, possessing the following qualities is particularly important:- Honesty- Self-motivation- High discipline- Good time management- Consistent productivity- Ability to communicate and collaborate asynchronously- Openness and enjoyment of communicationJob Description:- Design, develop, and implement efficient blockchain technology solutions.- Collaborate with the team to develop new blockchain products and services.- Ensure the security, performance, and scalability of blockchain applications.- Maintain and optimize existing systems to meet design requirements.- Write technical documentation and provide technical support.Job Requirements for fullstack skills:- Minimum 2 years of experience working with a modern Full-Stack framework.- Minimum 2 years of experience developing mobile web pages or web applications.- Strong foundation in Javascript/HTML/CSS.- Familiarity with modern CSS frameworks (e.g., Material Design).- Knowledge of Node.js, Vue.js, Nuxt.js, RESTful API, MongoDB.- Experience with TDD (e.g., Jest, Mocha).- Advocacy for clean code principles.- Proficient with Git command line.- Proficient in English.- Excellent communication skills, both written (documentation) and verbal (meetings, presentations).Technical Qualifications:- At least 2 years of backend/blockchain technology development experience.- Familiarity with at least one blockchain platform (e.g., Ethereum, Solana).- Experience in smart contract development and deployment.- Strong programming skills in Solidity, TypeScript, JavaScript.- Ability to work independently and collaboratively to meet objectives.- Enthusiasm for learning new technologies and self-improvement.- Passion for cryptocurrencies, SocialFi, or protocols (e.g., Lens Protocol, CyberConnect, FriendTech).Preferred Qualifications:- Experience in successful development on large-scale blockchain projects.- Experience working in cross-functional teams, with effective communication with non-technical team members.- Familiarity with backend services and API integration.- Experience with Firebase.- Ability to manage server work on GCP or any other public cloud solution.- Experience presenting at technology conferences.

Hive Keychain is the leading non-custodial crypto wallet on the Hive blockchain. We provide both browser extensions and mobile Apps to our 100,000+ users. To date, over 50 dApps rely on us to secure their users' transactions, and this number keeps growing.We are now planning to expand to other chains and become a multichain wallet.Our first step towards this goal will be to integrate EVM (Ethereum Virtual Machine) chains into our products.Therefore we are looking for a new team member to tackle the following tasks:- Integrate EVM chains in our existing browser extensions- Work closely with our UI/UX designers and our 3other developersto offer our users the best product possible- Proactively participate in the development of other parts of our products when needed

Rust Engineer, Block River Technologies Taipei Taiwan, Remote/Hybrid, Open to Full-time/Part-time and Contractors As a Rust Engineer, you will be instrumental in building APIs and libraries that unify, enhance, and transform user experiences across our platform. Responsibilities Ability to design and implement secure, reliable, and efficient software backend services.Ability to independently debug problems involving the network and operating system.Assume technical responsibility of complex backend systems, identify opportunities for system improvement.Create programs and software using RustFacilitate specific functions by integrating third-party software components, libraries and programsEvaluate, debug, improve and update software written with RustMaintain and improve existing Rust codebasesBe willing to pick up any other technology stacks such as Bitcoin, Ethereum, web3.js, etc. when required.

Key Responsibilities Design and implement project architecture, backend modules, and refactoring as needed. Independently develop and test Solidity smart contracts based on product requirements. Integrate backend services with various blockchain networks (e.g., Ethereum, Polygon, Tron, BSC, Solana, Sui, Ton). Develop high-quality backend services using Golang and frameworks such as Gin, GORM, GoZero, and gRPC. Optimize MySQL database schema and queries, and work with middleware such as Redis, Kafka, and Etcd. Participate in system upgrades, promptly resolve technical issues, and maintain technical documentation. Collaborate effectively with cross-functional teams and contribute to high-quality project delivery.

About UsYei Finance is building the future of decentralized collateralized lending, empowering users to unlock the value of their assets with transparency, security, and fairness. Our mission is to create an inclusive financial ecosystem that bridges the gap between traditional and decentralized finance. At Yei Finance, we believe in delivering cutting-edge user experiences that make complex DeFi operations simple and accessible. By joining our team, you’ll have the opportunity to shape the next generation of financial applications and redefine what’s possible in blockchain-based lending. Job Overview We’re seeking a passionate Senior Frontend Engineer to design and develop engaging, performant, and scalable user interfaces for our decentralized lending platform. You’ll play a pivotal role in shaping our trading and analytics experiences, making DeFi intuitive and seamless for our users. Key Responsibilities Develop and improve user-facing applications for the Yei Finance platform, including trading, lending, and analytics interfaces. Build and implement new features focusing on performance, accessibility, and scalability. Decide when to create reusable abstractions and when to implement custom solutions, ensuring maintainability and long-term success. Collaborate with designers, product managers, and engineers to deliver an exceptional user experience. Push the boundaries of decentralized user interfaces, leveraging IPFS/ENS, The Graph, and Ethereum nodes to create resilient and distributed applications. Contribute to the product roadmap by proposing new features, sharing design ideas, and prioritizing tasks alongside the team.

We are seeking talented Mid/Senior Golang Developers (Onchain Wallet) to join a leading global cryptocurrency platform. This is a fantastic opportunity to be part of a dynamic and innovative team shaping the future of decentralized finance (DeFi). Our client is a major player in the crypto space with over 100 million users worldwide, offering a diverse range of products and services including a cryptocurrency exchange, payment services, DeFi wallets, and an NFT marketplace. They are dedicated to driving the adoption of cryptocurrency in everyday life.Company Overview Vision: Cryptocurrency in Every WalletMission: Accelerate the world’s transition to cryptocurrencyWhy It Matters: Powered by cryptocurrency, the future of the internet: Web3 will be more fair and equitable, owned by the builders, creators, and users. This company is a premier crypto trading platform, offering the ability to buy Bitcoin, Ethereum, and 350+ other cryptocurrencies. They support trading with 20+ fiat currencies and Apple/Google Pay, are a leader in regulatory compliance and security certifications, and are trusted by over 80 million users worldwide.Job DescriptionYou will be working on a non-custodial wallet that provides access to a full suite of DeFi services in one place. This includes features such as crypto asset send/receive, swap, bridge, purchase, NFT, Earn, Perps, and Degen Arcade (meme tokens trading). They currently support 40+ chains and 2000+ tokens.Responsibilities Work in a cross-functional team with backend developers, native mobile developers, QA, PM, and Product Owner.Deliver value to users, teammates, and the company.Develop secure and scalable backend systems to serve millions of global users.Implement high-quality coding standards for readable, stable, and maintainable systems.Collaborate closely with teammates through code reviews, sharing sessions, and project retrospectives.Analyze requirements and solve complex problems across the stack.Conduct technical research to improve the tech stack for long-term initiatives.Follow and improve the development process. Benefits Competitive salary.Medical insurance with extended coverage to dependents.Attractive annual leave including birthday and work anniversary leave.Flexible work hours and hybrid/remote setup.Internal mobility program for career growth.Visa card upon joining.Benefits packages vary by region.

【事業内容】 本區塊鏈新創企業 は、ブロックチェーンの社会実装を通じて、テクノロジーによる価値の創造を実 現する会社です。 ブロックチェーンの社会実装を推し進めるべく、パートナー企業様とのPoCの実施や事業立 案、ブロックチェーンの課題となるスケーラビリティやインターオペラビリティ領域にお けるR&Dなどを行っています。 ブロックチェーン技術は発展途上の技術でありますが、ここ数年、世界中で様々な実証実 験やR&Dが行われ、ビジネス的にも技術的にも徐々に社会実装の土壌が整ってきました。 本區塊鏈新創企業でも、金融やモビリティ領域等の日本を代表するようなパートナー企業様との共 同プロジェクトを通して、ブロックチェーン活用の知見やノウハウを蓄積してきました。 また、R&Dの領域では、ブロックチェーンの課題としてよく指摘されるスケーラビリティや インターオペラビリティのソリューション開発を行っています。 【勤務時間】 フレックス制(コアタイム 11:00〜14:00) ※フルリモート(オフィスでの勤務も可能) フレックスタイム制(Flextime System) 【給与(年収)】 7,000,000円〜12,000,000円 【賞与】 あり/Yes 【仕事内容】 ■ Mission本區塊鏈新創企業は、異なるブロックチェーン間をつなぐ「インターオペラビリティ」と呼ばれる 領域の研究開発及びプロダクト開発を行っているテックスタートアップです。創業から6期 目を迎え、これまでの研究開発や実証実験の成果を踏まえた本番環境でのサービスローン チを目前に控えています。 ソフトウェアエンジニアとしてご入社いただい方には、本區塊鏈新創企業 が設計開発を推進する インターオペラビリティ関連のOSS製品の開発や、それらを用いたプロダクト開発におけ るバックエンドシステムの設計開発を期待しています。具体的には、「クロスチェーン ブリッジ」と呼ばれる、異なるブロックチェーン間でトークン移転などの取引(クロス チェーン取引)を実行するアプリケーションの開発に携わって頂くことを想定していま す。 国内においては、三菱UFJ信託銀行やNTTデータ等と技術提携を行い技術的にも高く評価さ れております。 今後は、国内における協業事業の商用化に加えて、グローバルでのサービス提供・プレゼ ンス向上を目指しています。 ■ 開発環境事例 ※Project毎に異なってくる可能性がございます ・言語:Go、Rust、Solidity等 ・Blockchain:Ethereum、Tendermint、CosmosSDK等 ・Webフレームワーク:go-kit等 ・RDBMS:MySQL ・ミドルウェア:gRPC、ElasticSearch ・インフラ:AWS(ECS、Aurora、ElasticSearchService、CloudHSM等) ・CI/DevOps:CircleCI、Terraform ・監視:Datadog ・ソースコード管理:git ・プロジェクト管理:GitHub、Wrike ・情報共有ツール:Slack、Kibera等