Lead Python Engineer for US Investment Platform (Equity + Bonus)

Understanding Recruitment; Greater London; On-site; GBP 126,000 - 154,000; Full time

Job summary

Understanding Recruitment Ltd is seeking a Lead Python Engineer to join a profitable fintech scale-up building its US investment infrastructure. You will lead a pod of engineers while remaining deeply involved in architecture, design and hands-on Python development.

You will shape the systems underpinning trading, execution, settlement and portfolio workflows, guiding technical direction and collaborating with product and leadership to plan delivery.

Qualifications

• Strong commercial experience building backend systems with Python.
• Previous experience leading engineers or acting as a technical lead.
• Strong understanding of architecture, system design and software engineering best practices.
• Experience building and supporting production-grade applications.
• Excellent communication and stakeholder management skills.
• Comfortable operating in a fast-paced, high-ownership environment.

Responsibilities

• Lead a pod of 3-4 engineers whilst remaining hands-on in the codebase
• Design and build core financial infrastructure supporting US investment products
• Develop systems covering trading, execution, settlement, brokerage, portfolio and investment workflows
• Drive architectural decisions and technical direction within your team
• Work closely with Product and Engineering leadership to shape solutions and delivery plans
• Mentor engineers through code reviews, technical guidance and best practices
• Balance rapid delivery with long-term scalability, maintainability and reliability
• Contribute to the continuous improvement of engineering standards, tooling and development processes

Skills

Leadership

Communication

Architecture & Design

System design

Python

Tools

SQLAlchemy

Pydantic

MySQL

PostgreSQL

Redis

Docker

Kubernetes

GCP

FastAPI

Job description

Understanding Recruitment Ltd is seeking a Lead Python Engineer to join a profitable fintech scale-up building its US investment infrastructure. You will lead a pod of engineers while remaining deeply involved in architecture, design and hands-on Python development.

You will shape the systems underpinning trading, execution, settlement and portfolio workflows, guiding technical direction and collaborating with product and leadership to plan delivery.