Software Engineer

Radley James; Ashton-under-Lyne; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading crypto trading platform located in the United Kingdom is seeking a Senior Backend Developer to help build high-performance decentralized trading infrastructure. The ideal candidate will have strong experience in Rust and Python, as well as 3–4+ years in crypto or DeFi-focused roles, and practical experience with Solidity smart contracts. This hands-on role includes building backend services and public APIs, with a focus on execution quality and user experience.

Qualifications

• Strong experience with Rust and Python.
• 3–4+ years in crypto/DeFi-native roles.
• Practical experience interacting with Solidity smart contracts.

Responsibilities

• Building and maintaining backend services and public APIs in Rust and Python.
• Working directly with EVM smart contracts at an application level.
• Contributing to the evolution of a performance-critical DeFi trading platform.

Skills

Experience with Rust

Experience with Python

Understanding of DEXs

Job description

We’re working with a crypto-native DeFi trading platform, backed by a leading digital assets firm (client name kept confidential), to hire a Senior Backend Developer. The team is building high-performance, decentralized trading infrastructure with a strong focus on execution quality and user experience.

This is a hands‑on role covering backend engineering, smart contract integration, and trading‑adjacent systems, working closely with experienced engineers, product, and UX in a fast‑moving, production‑focused environment.

What you’ll be doing

• Building and maintaining backend services and public APIs in Rust and Python
• Working directly with EVM smart contracts at an application level
• Contributing to the evolution of a performance‑critical DeFi trading platform

What we’re looking for

• Strong experience with Rust and Python
• 3–4+ years in crypto / DeFi‑native roles
• Practical experience interacting with Solidity smart contracts (not just high‑level)
• Understanding of DEXs and trading concepts (hands‑on or theoretical)
• Comfortable operating production systems in a cloud environment