Job Description

About the Company:

Worldcoin () is an open-source protocol, supported by a global community of developers, individuals, economists and technologists committed to expanding participation in, and access to, the global economy. Its community is united around core beliefs in the inherent worth and equality of every individual, the right to personal privacy, and open and public collaboration. These beliefs are reflected in what the community is building: a public utility to connect everyone to the global economy.

The Worldcoin Foundation () is the protocol’s steward and will support and grow the Worldcoin community until it becomes self-sufficient. Tools for Humanity () is a global hardware and software development company. It helped launch Worldcoin and continues to provide support to the Foundation, in addition to operating the World App.

About the Team

This role is part of our World App team. World App, one of the leading crypto wallets globally, has processed 105 million transactions since launch and over 5 million MAUs, making it the largest crypto application on Optimism. The app enables users to obtain their unique Proof of Personhood through World ID , claim Worldcoin Grants in eligible countries, and send money globally for free. We are a lean and mission-driven team.

About the Opportunity

As a senior software engineer you’ll be designing and building highly scalable systems to support the App. In this role, you will:

• Be the owner of key components within the App. You will be responsible for designing, building, maintaining and scaling them, including delivering on business metrics.
• Design backend systems for high scalability. This includes cross-coordination with your mobile, design and web teammates.
• Build! You will execute on delivering the relevant backend components for the App.
• Collaborate with cross-functional stakeholders including Marketing, Operations, Risk, Data Science and other Engineering teams in the company. You will help shape prioritization for your squad.
• Help in continuing to develop the Engineering organization across the company.

About You

• A software engineer with a well-established history spanning over five years, proficient in crafting cutting-edge and exceptionally scalable software applications.
• Have gained proficiency in delivering and up-keeping products essential for high-capacity operations, adept at managing substantial transaction volumes and large user bases.
• You are passionate about Blockchain technology and have hands-on experience with blockchain protocols and decentralized applications (dApps).
• Experience integrating with blockchain platforms such as Ethereum, Optimism, or similar, focusing on backend systems specifically.
• Expertise architecting functional systems for performance and security.
• Experience with IaC and managing and scaling your own resources.
• Experience building with Typescript and/or Rust is strongly preferred.
• You are successful in ambiguous environments, are comfortable continuously reprioritizing, and have an MVP-mindset.
• You are very energetic, independent and willing to roll up your sleeves.
• You have very strong written communication skills and can clearly express and defend your opinions.

By submitting your application, you consent to the processing and internal sharing of your CV within the company, in compliance with the GDPR.

Pay transparency statement (for CA and NY based roles):

The reasonably estimated salary for this role at TFH ranges from $216,000 - $240,000 , plus a competitive long term incentive package. Actual compensation is based on factors such as the candidate's skills, qualifications, and experience. In addition, TFH offers a wide range of best in class, comprehensive and inclusive employee benefits for this role including healthcare, dental, vision, a 401(k) plan and match, life insurance, flexible time off, commuter benefits, professional development stipend and much more!

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