Lead Quant Software Engineer - Python/C++ (Share Options)

Goodman Masson; Greater London; On-site; GBP 120,000 - 180,000; Full time

Benefits offered by this job

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Job summary

Goodman Masson partners with a high-growth fintech to lead a London engineering team focused on core platform software and quantitative calculation frameworks. You will drive architectural decisions, mentor developers, and deliver high-performance production code in Python and C++, while bridging product and risk requirements across teams.

The role combines hands-on coding with architectural guidance in a fast-moving environment, reporting to the Head of Engineering and supporting global product

Qualifications

• 10–15+ years of software engineering in financial services.
• Experience implementing financial formulas or risk models.
• Strong Python and C++ development background.
• Exposure to web stack technologies (TypeScript/Node.js/Kotlin).

Responsibilities

• Architect and build quantitative software for core platform features.
• Write production-grade code in Python and C++, integrating APIs and services.
• Collaborate with Product and Risk leads to translate models into software.
• Provide technical leadership and code reviews for the London team.
• Own key architectural decisions in a growth‑oriented environment.

Skills

Python

C++

TypeScript

Node.js

Kotlin

Leadership

Architecture

Job description

Goodman Masson partners with a high-growth fintech to lead a London engineering team focused on core platform software and quantitative calculation frameworks. You will drive architectural decisions, mentor developers, and deliver high-performance production code in Python and C++, while bridging product and risk requirements across teams.

The role combines hands-on coding with architectural guidance in a fast-moving environment, reporting to the Head of Engineering and supporting global product