Lead Software Engineer, Integrations | Typescript - Remote UK or France

Cryptio

Cryptio is an enterprise-grade crypto back-office platform. Our software helps financial institutions, corporates and crypto-native companies navigate the fragmented digital-asset landscape with confidence. We are a Series-A company, backed by tier-1 crypto and non crypto investors: Point Nine, BlueYard, Tim Draper, Alven, Aave, Consensys, Outlier Ventures. Some of our clients include top crypto companies like Uniswap or Metamask as well as banks and governments.

We're tackling one of the biggest challenges in crypto right now - building the infrastructure to help institutional adoption. And we're playing to win.

Location

This is a fully remote position, ideally located in the UK or France but we're open to exploring Europe for the right candidate depending on location. You should be able to easily join one of our hubs from time to time. Our hubs are Paris, London, and New-York.

Summary

Cryptio is looking for a Lead Software Engineer interested in working on crypto / finance / accounting related products.

You will join a team of talented engineers working on Cryptio’s Integrations Squad. The mission of this team is to integrate our suite of products with external systems like third party exchanges (eg. Coinbase), digital assets custodians (eg. BitGo), order management systems (eg. Wyden) and internal databases (eg. Snowflake).

Technologies used:

• Languages: Typescript (key dependencies: Axios, Zod, Nest.js)

• Infrastructure: Kubernetes, Docker, Gitlab, Grafana, Redis, S3

• Cloud: AWS

• And more!

Overview

You will play a crucial role in creating reliable, scalable connections between our platform and an ever-evolving network of exchanges, custodians, and financial systems. This role requires tackling the complexities of integrating with dynamic, often fragmented data sources and protocols unique to the cryptocurrency industry.

The crypto ecosystem is fast-paced, with constant changes in APIs, regulatory standards, and platform-specific data structures. Our customers rely on Cryptio to have seamless, accurate data connections to help them navigate their financial operations confidently. As part of our integration team, you’ll be responsible for designing and implementing robust solutions to handle real-time data syncing, overcoming challenges like data discrepancies, and building systems that are both secure and compliant with financial regulations.

Responsibilities

• Lead the design, development, and maintenance of back-end services for integration with third-party crypto exchanges, custodians, and financial platforms

• Drive architectural decisions to ensure scalability, reliability, and security, supporting the rapid growth of Cryptio’s integration capabilities.

• Oversee code quality by conducting code reviews, providing feedback, and ensuring adherence to best practices

• Mentor and support the technical growth of engineers on the team

• Work closely with product and engineering leadership to align integration projects with Cryptio’s strategic goals

• Monitor and troubleshoot integration issues, proactively implementing improvements and maintaining data accuracy

Requirements

• 5+ years of experience in software engineering, including 1+ year of experience as a Team Lead

• Deep knowledge of Typescript

• Extensive experience dealing with third party APIs (REST, GraphQL)

• Knowledge of OAuth, JWT, signature mechanisms and other authorization and authentication methods often used with APIs

• Impeccable spoken and written English

• Exceptional communication skills and a passion for mentoring and developing engineering talent

• Thriving when working with others - collaboration is paramount for this role

• An analytical mindset, a passion for solving complex problems, and an interest in the crypto and fintech industry

Benefits

✨ Fully-Remote / Hybrid – The choice is yours! 🌍🏡

🎉 25 Days Paid Holiday + Bank Holidays + Your Birthday Off 🎂

⭐️ Earn an extra day of annual leave for every year you're at Cryptio 🎁

💰 4% Pension Contributions towards your future! 💼

🏥 Private Medical & Dental Insurance with Allianz! 🦷💊

👶 Attractive Maternity and Paternity Policies for your growing family 👨‍👩‍👧‍👦

💪 Gym Classes or Spa Treatments with ClassPass! 🧘‍♂️🧖‍♀️

💻 Apple MacBook Pro – The best tech at your fingertips! 💻✨

💵 $200 Workplace Budget to create your perfect home office! 🏠💼

📚 Training and Development Budget – Invest in yourself and grow! 🚀