Senior Rust Engineer

## About Cryptio Cryptio is the leading **enterprise-grade financial data transformation and digital asset ERP platform** for accounting, financial reporting, tokenization compliance, and loan management solutions. It is a complete back and middle-office platform that delivers financial integrity and accountability for businesses in crypto. Its platform allows users to transform on-chain and off-chain crypto activity into auditable records for accounting, treasury, tax filings, license applications, loans activity, and regulatory reporting. Having recently announced our **$45m series B**, now couldn't be a better time to join!

## What you'll do - Design and ship the core services behind our new Loan Marketplace - Build the workflows that power loan disbursements, repayments, margin calls, liquidations, and collateral releases - Plug into custodians, market data providers, and other financial infrastructure - Build guardrails that make unsafe states genuinely hard to reach (state machines, validation, audit trails, reconciliation) - Write tests that catch the scary stuff: integration, property based, simulations, fuzzing - Own systems end to end, from first sketch to running in production with proper observability and runbooks - Raise the bar through strong design, thoughtful code reviews, and mentoring other engineers - Partner with Product, Ops, and Compliance to make sure the product is safe to ship and operate

## We're looking for someone who - Has 7+ years of software engineering experience, with strong backend or systems chops - Has built complex production systems with real business impact - Has worked on high stakes systems: financial, infrastructure, or anything mission critical - Deeply gets concurrency, race conditions, distributed systems, idempotency, ordering, and partial failure - Has a strong testing and correctness mindset - Can design safe state transitions, audit trails, and reconciliation flows - Owns technical design even when the product is messy and undefined - Has Rust experience, or strong evidence they can pick it up fast - Writes and talks clearly about complex trade offs - Mentors others and lifts the standard around them

## Why you'll love this role - Build a brand new financial product from scratch, the kind that genuinely matters - Work on hard problems where engineering quality is the product - Help shape how institutional crypto lending actually works - Tackle technical challenges at the crossroads of crypto, fintech, lending, and enterprise software - Work alongside a senior team that cares about getting things right - Strong internal mobility and growth as we scale ## Perks - 👩‍💻 Remote or Hybrid working - 🏝️ 25 days paid holiday plus bank holidays - 🙌 One additional day of annual leave each year, up to 30 total days - 🎂 Your birth off - 🧘 Mental health resources, wellbeing programs, and professional coaching - 🫶 Family-friendly policies - 💪 Fitness and wellness budget - 💻 MacBook Pro - 🖥️ $200 home office setup budget - 🎓Training and development budget *** we have additional benefits depending on location

Cryptio is a financial software platform providing crypto accounting, reconciliation, and compliance solutions for businesses managing digital assets. It helps enterprises with crypto treasury management, financial reporting, and regulatory compliance across blockchain transactions. Their market focuses on institutional clients in finance and crypto sectors.