Equities Quant Platform Engineering Lead - Python - Vice President

PowerToFly; Greater London; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading global bank in London is seeking an Engineering Lead to develop high-impact quantitative trading tools. The role involves architecting scalable components and mentoring engineers, with a focus on data-centric applications and cloud technologies. Candidates should have extensive experience in the Python ecosystem and a proven track record in enhancing developer experiences. This position offers a hybrid working model and a competitive benefits package including annual leave and medical care.

Benefits

27 days annual leave

Performance related bonus

Private Medical Care

Pension Plan

Paid Parental Leave

Employee Assistance Program

Qualifications

• Extensive experience in building data-centric applications for quantitative trading.
• Proven track record of enhancing developer experience.
• Hands-on approach to coding and mentoring junior engineers.

Responsibilities

• Drive the development of quantitative tools for Equities Cash and Derivatives.
• Architect secure, scalable components and mentor team members.
• Stay updated with open-source trends to improve business outcomes.

Skills

Python data engineering stack (Polars, Parquet, FastAPI, Jupyter, Airflow, Streamlit, Ray)

High-performance data stores (Starburst, Snowflake)

Real-time streaming analytics (Kafka, Flink)

Cloud container technologies (AWS, Azure, GCP, Docker, Kubernetes)

Full-stack HTML5 web development

Job description

Overview

Citi is a world-leading global bank with approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

What We do / The Team

Are you a passionate and experienced engineering leader eager to build high-impact front office quant tools? Citi's Equities Technology team is undergoing significant growth and investment, specifically within our high-priority systematic trading and analytics systems. We are seeking a hands‑on Engineering Lead to drive the development of our next-generation quantitative development platform serving the Equities Cash, Derivatives, and Prime businesses.

Role Overview/What will you do

• Champion engineering excellence through hands‑on feature creation, rigorous code quality via pull request reviews, and by mentoring junior engineers to establish robust coding standards and guardrails.
• Architect scalable, secure re‑usable components. You’ll drive the design process, aligning with or challenging existing blueprints, seeking consensus from senior leads and stakeholders.
• Stay up to date with open‑source solutions and latest trends to accelerate business outcomes.

Key Skills and Experience required

• Extensive background in delivering production‑grade, data‑centric applications for quantitative trading and analytics, with demonstrated expertise in:
  • The python data engineering stack (Polars, Parquet, FastAPI, Jupyter, Airflow, Streamlit, Ray)
  • High‑performance data stores and query engines (Starburst, Snowflake)
  • Real‑time streaming analytics technologies (Kafka, Flink)
  • Cloud container technologies (AWS, Azure, GCP, Docker, Kubernetes)
• Proven success in enhancing developer experience that reduces friction in coding, building and deploying APIs and client libraries.
• Real‑world application of generative AI prompt engineering and RAG pipelines.
• Full‑stack HTML5 web development skills.

Desired Skills

• Understanding of Equities Cash, D1 & Deriv market mechanics and products via sell‑side trading projects
• Familiarity with low‑latency programming languages such as Rust or C++

What we’ll provide you

By joining Citi London, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to an array of learning and development resources

Visit ourGlobal Benefitspage to learn more.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
View Citi’s EEO Policy Statement and the Know Your Rights poster.