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Staff Developer Tooling Engineer at MLabs. Senior Software Engineer - Developer Tools & SDKs . Location: Remote - US & Americas. Compensation: $ Competitive. We are a fast-growing software company dedicated to supporting and developing an . EVM-compatible, open-source, proof-of-stake platform. . This public network is engineered for enterprise and Web3 applications, prioritizing speed, security, stability, and sustainability, and is governed by industry-leading organizations. We are seeking an experienced . Software Engineer. to lead the development of . world-class developer tools and SDKs. .. You will take the lead on crafting seamless developer experiences, owning the design, build, and maintenance of our open-source SDKs and related tooling. This role requires technical leadership, hands-on coding across multiple languages, and a strong focus on developer empathy. You will work cross-functionally to ensure our tools are intuitive, robust, and aligned with real-world developer needs.. What You'll Be Doing:. SDK Development:. Design, build, and maintain . Open Source SDKs and related tooling. that enable developers to integrate easily with our platform.. Developer Experience (DX) Champion:. Champion and implement . best-in-class developer experience standards. across all tooling and SDKs.. Architecture & Mentorship:. Lead and mentor a team of engineers, providing . architectural vision and technical guidance. .. API Integration:. Consume and produce high-quality . RESTful, GraphQL, or gRPC APIs. with a clean, consistent design.. Workflow Enhancement:. Design, integrate, and enhance developer workflows across popular . IDEs (e.g., VS Code, IntelliJ). and debugging tools to streamline the development experience.. Leadership:. Serve as a technical voice and mission-driven leader, rallying and inspiring the team around shared goals.. Experience:. . 5+ years. of hands-on experience in . Java, C++, JavaScript, Python, Go, Swift, and/or Rust. (proficiency in several is preferred).. SDK Expertise:. Proven experience in . designing, developing, and maintaining SDKs or developer platforms. .. APIs & Protocols:. Experience in consuming and producing clean APIs.. DX Focus:. . Strong focus on delivering delightful developer experiences. and empathy for API consumers.. Leadership:. Ability to . technically lead and mentor engineers. across functions.. Debugging Tools:. Strong understanding of modern . IDE internals and debugging protocols. (e.g., DAP, GDB, LLDB) with hands-on experience extending or customizing IDE/debugger functionality.. Mindset:. Customer-oriented mindset with a bias toward action, self-driven, curious, and comfortable with ambiguity.. Preferred Experience (Nice-to-Haves):. Experience with . Web3 Apps, Decentralised Ledger Technologies (DLTs). , and/or Blockchains.. Background in writing smart contracts for Ethereum or other EVM-based chains.. Familiarity with . gRPC and Protocol Buffers. for high-performance API communication.. Contributions to open-source SDKs, devtools, or infrastructure libraries.. Company Location: United States.