Rust Engineer - Cryptio

We’re Cryptio. We build infrastructure to bring financial integrity to the crypto economy. Our enterprise-grade back‑office and data platform power mission‑critical accounting, reporting, and operational workflows for institutions, corporates, and crypto‑native organisations. We’re trusted by leaders like Circle, Societe Generale, Uniswap, Gemini, and the Government of El Salvador. We’ve raised $26m from top investors including Point Nine, 1kx, Tim Draper, and Ledger Cathay. Opportunity

We’re hiring a Rust Engineer to our Accounting squad, where you’ll drive the technical development powering cost basis and PnL computations, staking, derivatives, accruals, and high‑volume reporting pipelines. In this role, you’ll tackle complex accounting challenges at the forefront of digital assets and traditional finance. You’ll build the backbone for regulatory compliance, reporting, and audit readiness in the crypto sector, making a measurable impact for the world’s most innovative financial players. Key Technologies

Rust

(with a focus on performance and scalability) What you’ll do

Drive the development of core systems for Cryptio's SaaS accounting platform, ensuring robust and scalable customer workflows Architect, optimise, and maintain data‑heavy solutions for financial reporting, reconciliation, and ledger automation Collaborate with staff engineers, product, and other teams to deliver features aligned with customer and business needs Identify, troubleshoot, and proactively resolve performance issues at scale Mentor and support the growth of engineers across the squad Contribute to codebase reliability by documenting best practices and enabling knowledge sharing across the company We’re looking for someone who

Has experience

building and shipping production software Is comfortable working with

Rust

and eager to deepen their expertise in it Has hands‑on experience (or a strong interest in learning)

TypeScript

and frameworks like

Nest.js, Zod, or Slonik Is curious about crypto and accounting, or brings relevant domain experience Enjoys working on

high‑performance systems

and diving into technical challenges involving

large datasets Has worked with (or is open to learning)

OLAP database s such as

ClickHouse , as well as

PostgreSQL Communicates clearly in English and values working collaboratively with others Is interested in mentoring, sharing knowledge, and growing with the team Approaches problems analytically and is passionate about building future finance infrastructure in crypto Why you’ll love this role

Own the development of mission‑critical infrastructure in a fast‑evolving industry Collaborate with a team of highly skilled engineers and cross‑functional partners Work with cutting‑edge technologies in cloud‑native, data‑heavy environments (Rust, TypeScript, ClickHouse, AWS) Freedom to experiment and drive architecture decisions impacting the entire product 100% remote role, with opportunities to visit our hubs in Paris and London Competitive salary and full benefits package see our careers page for details

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