Core Engineer: DeFi Data & Back‑Office Platform

Flowdesk; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading financial technology firm in London is looking for a Core Engineer to join their team. The successful candidate will lead the design and delivery of a new internal platform, working on DeFi integrations and enhancing booking features. Ideal candidates have a strong programming background in languages such as Go or C++, experience with DeFi protocols, and a proven record of scalable systems development. This position offers a dynamic work environment and comprehensive benefits.

Benefits

International environment

Pension

100% health coverage

Team events and offsites

Qualifications

• Experience with lifecycle of crypto asset classes.
• Integration with DeFi protocols like Uniswap v3, Curve, Aave.
• Strong OO programming background and API design experience.

Responsibilities

• Integrate DeFi protocols for real-time back office system.
• Implement and enhance features in booking engine.
• Automate reconciliation of trading activities.
• Gather requirements for reporting and internal tools.
• Expose APIs and maintain backward compatibility.

Skills

Lifecycle knowledge of crypto asset classes

Hands-on integration with DeFi protocols

Proven track record delivering scalable systems

Comfortable partnering with stakeholders

Tools

Go

C++

C#

Java

Rust

Typescript

Python

Postgres

GCP

AWS

Azure

Job description

A leading financial technology firm in London is looking for a Core Engineer to join their team. The successful candidate will lead the design and delivery of a new internal platform, working on DeFi integrations and enhancing booking features. Ideal candidates have a strong programming background in languages such as Go or C++, experience with DeFi protocols, and a proven record of scalable systems development. This position offers a dynamic work environment and comprehensive benefits.