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Software Engineer - Security & Infrastructure

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Capsule

Para Wallet provides a comprehensive wallet and authentication suite for crypto applications. It features embedded wallets for users new to crypto and seamless web3 login for experienced users, aiming to simplify the Web3 onboarding process. Para aims to radically simplify how people interact with blockchains, envisioning a world where the internet is built around people, giving them control over their digital identities and assets.

Maintainer signals as of 8/12/2026

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About Capsule

Para Wallet offers a comprehensive suite of tools for crypto applications, including an embedded wallet API and SDK. It provides universal wallets that are compatible across various blockchain ecosystems like EVM, Solana, and Cosmos, enabling users to transact across different networks after a single onboarding process. The platform is designed for developers, featuring a developer portal, extensive framework support for web, mobile, and other platforms, and flexible integration options. Security is a key focus, with features like Multi-Party Computation (MPC), passkeys for secure key storage, and a commitment to censorship resistance, ensuring users retain control over their assets. Para is a company founded by experienced crypto and fintech builders with a mission to simplify interactions with blockchains. They envision a user-centric internet, where individuals control their identities, data, and value. The team values first-principles thinking, radical ownership, and commitment to their users. They are backed by notable investors in the crypto space, including a16z Crypto and TCG Crypto.

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Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will build secure and resilient infrastructure from the ground up, review code across the stack and engineering organization, and participate in developing Para’s recovery product. You will influence the product roadmap, help scale the product and team, and make significant contributions as a founding engineer on the core team.

Requirements

  • 5+ years of full stack engineering experience with significant product-critical contributions
  • Experience working with highly scalable and secure systems
  • Systems design experience and familiarity with complex systems
  • Experience building 0-to-1 products, preferably in startup environments
  • Product sense and intuition for end-user experience and business value
  • Interest in blockchain and cryptography and familiarity with crypto-powered products
  • Experience with TypeScript, Go, and AWS
  • Desire to work at a very early-stage startup
  • Prior blockchain or applied cryptography experience, particularly with MPC-based systems
  • Prior engineering leadership experience

Responsibilities

  • Build secure and resilient infrastructure from the ground up
  • Review code across the entire stack and engineering organization
  • Participate in developing Para’s recovery product
  • Influence the product roadmap and direction
  • Help scale the product and team

Benefits

  • Significant equity