Product Engineer at Evervault Limited

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This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.

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Product Engineer

Company Description: Evervault Limited - VC-backed fintech building encryption infrastructure for developers

Job Description:

Join a high-performance team building the core security layer for global payments. As a Product Engineer on the Cards team, you will own the entire lifecycle of critical infrastructure—from customer discovery to shipping production APIs for tokenization and 3D Secure. You'll work across the stack to secure data for industry leaders like Ramp and Rippling.

Location: London, UK

Why this role is remarkable:

• Work on mission-critical payments infrastructure where security and reliability are paramount, processing millions of card transactions for global merchants.
• Backed by world-class investors including Sequoia Capital, Index Ventures, and Kleiner Perkins, providing massive stability and growth runway.
• Massive ownership in a lean 25-person team where every engineer directly influences product direction, company culture, and the developer experience of thousands.

What you will do:

• Design and build developer-facing APIs and primitives for card data security, including network integrations and card account updaters.
• Engage directly with customers to understand their payment stacks, shape the product roadmap, and debug complex integration challenges.
• Ship full-stack solutions across backend services, SDKs, and UI components, maintaining a high bar for documentation and developer experience.

The ideal candidate:

• Possesses deep technical fundamentals in systems, networks, and distributed infrastructure, with a preference for understanding how things work under the hood.
• Operates with "founder energy" and a bias for action, taking full ownership of problems without waiting for specs or instructions.
• Exhibits excellent taste in code and API design, with the ability to communicate complex technical decisions clearly to both engineers and customers.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.

Step 2. Click 'Talk to Jack'.

Step 3. Talk to Jack so he can understand your experience and ambitions.

Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.

Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.

Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.

Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.

We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.