Senior Frontend Engineer (70k-150k + Equity) at Evervault Limited

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

She will pick the best candidates from Jacks network

The next step is to speak to Jack.

Job Title: Senior Frontend Engineer

Salary: 70k-150k Equity

Company Description: Evervault Limited - VC-backed fintech infrastructure for encryption and data security

Job Description:
You will join the Cards team to build core payments infrastructure that tokenizes and secures sensitive data at scale. As a Product Engineer you will own the entire lifecycle of card security primitives designing developer-facing APIs and shipping full-stack solutions that power transaction volume for industry leaders like Ramp and Rippling.

Location: London UK

Why this role is remarkable:

• Solve complex infrastructure challenges involving card network integrations 3D Secure and confidential computing at a high-growth startup processing $5B annually.

• Join an elite 25-person team backed by tier-one investors including Sequoia Capital Index Ventures Kleiner Perkins and Ribbit Capital.

• Work in a developer-first environment where you have a direct line to product direction and ship code that serves the internets biggest merchants.

What you will do:

• Design and build robust developer-facing APIs and UI components for secure card data tokenization and orchestration.

• Work directly with customers to understand their payment stacks debug complex integrations and shape the product roadmap based on real-world needs.

• Own features end-to-end moving across the stack from backend services in Rust to frontend SDKs and documentation in TypeScript.

The ideal candidate:

• Significant experience shipping production-grade products with 3-10 years in software engineering and a strong foundation in CS math or physics.

• Deeply product-minded with a relentless focus on developer experience and the ability to articulate technical decisions clearly to customers.

• Strong technical taste and a desire to go deep into payments domain expertise including card networks encryption and distributed infrastructure.

Who are Jack & Jill
Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre 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 Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks 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 youre 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 isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt 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 were giving his services away for free.

Required Experience:

Senior IC