Full Stack Software Engineer

About The Company

World is building a real human network designed to accelerate people in the age of AI. As bots and autonomous agents reshape the internet, people, institutions, and applications need a trusted way to confirm who is a real human while preserving privacy. Our products make this possible: the Orb verifies real people, World s it privately, and World App enables and distributes the new applications made possible by this technology.

Together, they form a new layer for AI internet.

We’re one of the fastest-growing networks in tech. More than 17 million people across 160 countries have verified with World , and we complete over 350,000 verifications each week. World App is already among the most used wallets globally. Developers are integrating World  build safer online experiences and create spaces where real people can participate, earn, and be recognized in ways AI simply can’t replicate.

World was founded in 2019 and launched globally in 2023. We are more than 400 people across hardware, software, AI, cryptography, mobile engineering, and global operations. Our teams come from OpenAI, Tesla, SpaceX, Apple, Google, Stripe, Meta, Coinbase, Palantir and MIT Media Lab. We’re backed by leading investors, including a16z, Khosla Ventures, Bain Capital Crypto, Blockchain Capital, Variant, Tiger Global, and Coinbase Ventures, as well as prominent operators and founders across fintech and AI.

World has been featured on the cover of TIME Magazine, highlighted in Fast Company’s Next 5 in Fintech, and explored in a Bloomberg deep dive. The New York Times, Bankless and Tech Crunch have all recognized our progress in identity, cryptography, AI, and global-scale hardware deployment. Our leadership is also named to the Time AI 100. Learn more about the newest product launches from our Unwrapped event.

World  a digital identity system and proof of humanity for everyone, designed to be a foundational identity protocol for the internet in the era of AGI. It is built to be self-custodial, secure, decentralized and open, setting new standards for privacy and transparency.

At the heart of World  groundbreaking innovations in hardware and software—spanning distributed systems, cryptography, sensors, biometrics, machine learning and blockchain technology.

As a Full Stack Software Engineer
, you will be at the forefront of expanding the World . You’ll work on defining and building the developer facing APIs, Web SDKs, user facing applications and partner integrations that would delight developers and users alike, and showcase the power of World  solving the novel challenges posed by AGI.

Your work will be the primary touchpoint for our partners, making their success your own. This role is ideal for a web developer with strong backend skills who is passionate about building the bridges between a core protocol and its real-world applications.

• Web SDK Development:
  You will own the design, development, and maintenance of our public-facing JavaScript/Type Script SDK, ensuring it is designed for the future, robust, well-documented, and easy for partners to use.
• Partner Integrations:
  You will work directly with our partners to support their integration efforts, building reference applications, browser add-ons, and other tools to ensure their success on our platform.
• API Development:
  You will build and scale efficient, reliable APIs and backend services using Type Script to support our own applications, SDKs, and partner needs. This includes everything from simple web API servers, backend services and user-facing web components.
• Web Application Development:
  You will design, build and maintain essential web components, reference implementations and end user facing applications that use World .
• Cross-functional Collaboration:
  
  You will work closely with product managers, designers, other engineers and other XFN stakeholders to deliver cohesive and impactful solutions that advance the World network.
• Technical leadership:
  You may be asked to support a small group of junior engineers and external contractors as a hands‑on technical lead, guiding technical design, contributing and…