Responsibilities:

Lead security audits of (a subset of) the Espresso codebase As a project leader, you will have mobility in how you choose to organize security and audit efforts Dive into the code of a fairly complex distributed system, learning and developing an understanding of the system on the fly (with help from the engineering team that built it, of course) Coordinate with several engineering teams to aid in your audit, raise concerns and communicate results, and guide the effort to harden the system based on your findings Coordinate with, manage, and review the work of external security auditing teams, in certain cases Suggest improvements to testing and engineering practices to promote more secure and maintainable code

Requirements:

Solid grasp of software engineering principles, both low-level (e.g. language-specific best practices) and high-level (e.g. reliable software architecture, particularly in distributed systems) If focused on Rust: ≥ 1 year experience writing Rust, particularly with async Rust. If focused on Solidity: Multiple years experience writing smart contracts; experience with smart contract security audits or formal verification of smart contracts Experience as an engineer or software architect in a security-critical industry Be capable of describing the stakes, the challenges you've faced in building secure software, and the steps/processes you've taken to mitigate risk Experience as an auditor, pentester, QA tester, etc. Have a well thought-out approach to testing software and designing it to be testable/auditable Ability to think adversarially, and identify potential reliability or security vulnerabilities even in software that is correct in common or “happy path” scenarios Experience on the design and/or testing of distributed systems Comfort diving into unknowns and asking questions

Preferred:

Knowledge of relevant testing and static analysis tools (e.g. Foundry, Slither) is a plus Blockchain knowledge/experience is preferred, but could also be include IoT, automotive, finance, etc. Ideally, the candidate should have a general philosophy of software design that has been molded by experience working on security-critical systems

Benefits:

Fully remote with flexible hours Work alongside the brightest minds in the crypto space Competitive salary + equity package Regular team off-sites to international locations Unlimited vacation policy Top-tier health, dental, and vision coverage for US employees

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Your responsibilities will include:

• Being the primary ambassador for Espresso in your country
• Managing local channels, such as local Telegram and X channels
• Establishing and growing the local Espresso community of builders and supporters
• Identifying local app, distribution, and partnership opportunities
• Helping organize meetups to bolster the local Espresso community
• Sharing market intel, community, and product feedback with the Espresso team
• Ensuring adherence of your community to Espresso's norms, culture, and community guidelines
• Cultivating and spreading a deep understanding of Espresso's tech and community

Our ideal ambassador has experience in running communities in crypto, a thorough understanding of their local crypto market, excellent communication skills in both native language and English, and a real hands-on mentality.

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As a DevOps Engineer, you will be responsible for monitoring and management of cloud environments (AWS, Azure, GCP), assisting with CI/CD pipelines and general code management practices, and develop and maintenance of tooling for deployment of Espresso Systems services.

We are a fully remote team with flexible hours, and offer a competitive salary + equity package, regular team off-sites to international locations, unlimited vacation policy, and top-tier health, dental, and vision coverage for US employees.

Responsibilities: Monitoring and management of cloud environments (AWS, Azure, GCP) Assisting with CI/CD pipelines and general code management practices Develop and maintenance of tooling for deployment of Espresso Systems services

Requirements: Experience working with containers in hosted environments Experience with Terraform or other similar declarative cloud operations technologies Comfort working in the Linux command line

Preferred: Experience with Ansible, AWS container orchestration, Docker, Github Actions, Nix, Rust, and Terraform

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Your primary responsibilities will include:

• Being the primary ambassador for Espresso in your country
• Managing local channels, such as local Telegram and X channels
• Establishing and growing the local Espresso community of builders and supporters
• Identifying local app, distribution, and partnership opportunities
• Helping organize meetups to bolster the local Espresso community
• Sharing market intel, community, and product feedback with the Espresso team
• Ensuring adherence of your community to Espresso's norms, culture, and community guidelines
• Cultivating and spreading a deep understanding of Espresso's tech and community

Our ideal ambassador has experience in running communities in crypto, a thorough understanding of their local crypto market, excellent communication skills in both native language and English, and a real hands-on mentality.

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Responsibilities

Contribute to the design and implementation of Espresso's core blockchain infrastructure in Rust. Take engineering projects from concept and design to production, while working with engineering leaders and the product team to create sound and realistic roadmaps.

Requirements

B.S. in Computer Science, Mathematics, or relevant field, or equivalent computer science and software engineering experience. Experience shipping and taking engineering projects to production. Experience with distributed systems and/or blockchain systems, especially P2P networking and consensus. Understanding of software engineering and security best practices. Strong written and verbal communication skills. Passion for writing correct code.

Preferred

Proficiency with Rust in a production environment (or similar strongly-typed languages such as C++, Haskell, Ocaml, etc.). Experience working on blockchain infrastructure, e.g. a layer-1 blockchain. Enthusiasm for the rapidly developing blockchain ecosystem.

Benefits

Fully remote with flexible hours. Work alongside the brightest minds in the crypto space. Competitive salary + equity package. Regular team off-sites to international locations. Unlimited vacation policy. Top-tier health, dental, and vision coverage for US employees.

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