evervault - Product Engineer
Requirements
• 6+ years of engineering experience, including 2–4+ recent years in at least one of: payments infrastructure or fintech, developer tooling, or design-first products • Strong fundamentals in distributed systems, networking and infrastructure, beyond just frameworks • Product-minded: you think about the developer experience of every API you design and judge your work by its impact on users • Comfortable explaining complex technical decisions to non-technical people and working in front of customers • Founder-like ownership: you take problems to completion without waiting to be told what to do • Rust and TypeScript experience (we care more about engineering ability than our exact stack) • Knowledge of card payments: networks, tokenisation, 3DS or PCI DSS • This Might Not Be for You If… • You want to build from a spec: you’ll be expected to find and define the problem yourself • You want to manage people soon: this is primarily a Senior IC role with technical leadership rather than people leadership • You prefer to stay in one layer of the stack: you’ll move between backend, APIs, UI and docs • You’d rather avoid customers: you’ll be on calls and debugging integrations with them • You want to work fully remotely: we’re in our Shoreditch office Tuesday to Thursday
Responsibilities
• Building core payments infrastructure, including tokenisation, network integrations, 3DS and dispute management • Designing developer-facing APIs, SDKs and primitives that developers enjoy using • Building high-throughput, distributed systems that handle millions of card transactions • Working directly with customers to understand their payment stacks, debug integrations and shape the roadmap • Shipping across the stack: backend services, APIs, UI components and documentation • Setting technical direction and mentoring engineers on the team
Benefits
• Stock options with an extended exercise window • Private health insurance • Unlimited PTO and flexible working hours • Daily lunch budget • Senior technical influence on a small, fast-growing team building infrastructure that processes millions of card transactions
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