What are the responsibilities and job description for the Founding Product Engineer position at Masarna?
A fast-moving, early-stage startup is on a mission to make onchain ownership universal and accessible. The team is building novel protocols, infrastructure, and applications to advance this goal, and the tools you create will both scale internal capabilities and empower developers globally.
As a founding Product Engineer, you’ll help shape foundational infrastructure in a fast-paced environment, researching, designing, and implementing hybrid onchain/offchain solutions. You’ll work across indexers, databases, smart contracts, cryptography, APIs, and global-scale applications.
Current Tech Stack
As a founding Product Engineer, you’ll help shape foundational infrastructure in a fast-paced environment, researching, designing, and implementing hybrid onchain/offchain solutions. You’ll work across indexers, databases, smart contracts, cryptography, APIs, and global-scale applications.
Current Tech Stack
- Onchain: Solidity (Ethereum/EVM L2s) Foundry
- Backend Services: Rust TypeScript
- Frontend Services: React Tailwind
- Infrastructure: railway.app and neon.tech
- Title: Founding Product Engineer
- Experience: 4 years building and shipping production-grade web applications
- Develop and optimize modern frontend applications using React, Next.js, TypeScript, JavaScript, and UI frameworks (e.g. Tailwind CSS)
- Integrate crypto libraries (e.g. Wagmi, Viem, Tevm)
- Contribute to backend services in Typescript/Node.js or Rust
- Manage database design, optimization, and API architecture
- Monitor performance and optimize for scale
- Set up and maintain CI/CD pipelines
- Leverage AI-powered developer tools
- Proven track record of building and scaling user-facing products
- Attention to detail in UI/UX design and implementation
- Experience delivering high-performance, production-grade applications
- Strong understanding of system design and scalability patterns
- Familiarity with modern development workflows and best practices
- Solid grounding in engineering principles: you build resilient, dependable services
- Grit to dive into problems and own implementation from start to finish
- Excellent communication skills to convey ideas and solutions effectively
- Strong ownership and autonomy in navigating early-stage startup ambiguity
- Motivation to accelerate broader adoption of digital ownership beyond current blockchain limitations
- This is an early-stage startup environment: small team, high ownership, fast iteration, and lots of ambiguity
- The founding team is passionate about excellence and creating meaningful impact
- Onsite presence in San Francisco is prioritized, with remote possibilities considered on a case-by-case basis
- While there’s no expectation to work around the clock, you’ll be diligent about setting and respecting boundaries within a dynamic schedule
- A culture of ownership and accountability is paramount: every team member has the autonomy to make decisions and is responsible for their outcomes
