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Cryptio

Cryptio

Job listing

London, United KingdomNot Disclosed

Senior Rust Engineer at $25M Series A institutional crypto infrastructure platform

Join the engineering team building the financial infrastructure backbone for institutional crypto. This $25M Series A startup, backed by BlueYard and Point Nine, processes over 1 billion monthly transactions for giants like Circle and Gemini. As a Senior Rust Engineer, you'll solve massive-scale data reconciliation challenges using Rust and PostgreSQL, building the auditable systems that allow the world's largest enterprises to bring billions of dollars on-chain. If you thrive on high-performance architecture and deep technical craft, this is your chance to define a new category of institutional fintech.

Overview

Role overview

You will architect the financial backbone for institutional crypto adoption, building high-performance systems that process over 1 billion monthly transactions. Working with Rust and PostgreSQL, you'll solve complex data reconciliation challenges for global leaders like Circle and Uniswap, transforming fragmented blockchain data into audit-ready financial infrastructure for the enterprise era.

Company

Cryptio

Cryptio

Financial Software100 employees

$25M Series A institutional crypto infrastructure platform backed by Point Nine and BlueYard

Responsibilities

What you will do

  • Design and optimize high-performance backend services in Rust to ingest and reconcile data from thousands of blockchain protocols and exchange APIs.
  • Architect and tune PostgreSQL databases at scale to handle millions of daily transactions with absolute precision and auditability.
  • Collaborate with a 30-person elite engineering team to ship US GAAP-compliant financial features that manage billions of dollars in on-chain assets.

Candidate profile

Who this is a fit for

  • Has 5+ years of software engineering experience with deep, production-level expertise in Rust as a primary backend language.
  • Possesses extensive experience in relational database architecture, specifically query tuning and performance optimization for massive PostgreSQL datasets.
  • Exhibits a strong computer science foundation and the ability to navigate ambiguous technical landscapes where architectural decisions have significant real-world financial impact.

What makes it remarkable

Why this role is remarkable

  • Impact massive scale by building systems powering back-office operations for 450+ institutional clients, including the Government of El Salvador.
  • Work at the frontier of fintech with a top-tier engineering team and investors like 1kx and Tim Draper during a period of rapid regulatory tailwinds.
  • Tackle genuinely novel data architecture problems involving TB+ volumes where there are no established patterns or CRUD-app shortcuts.

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