Staff Developer Tooling Engineer

MLabs

5d•Remote

About The Position

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.

Requirements

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.

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.

Responsibilities

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.

Benefits

Competitive package including Equity and Tokens.
Opportunities for Performance Bonuses.
Health insurance and 401k for US employees.
Work on the core developer infrastructure for an enterprise-grade, public, proof-of-stake platform.
Collaborative mindset with a commitment to continuous learning and mission-driven work.

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