VP, Hands-on Tech Leader - Risk Analytics Platform

11037 Citibank, N.A. United Kingdom; England; On-site; GBP 120,000 - 180,000; Full time

Job summary

Citibank, N.A. in the United Kingdom seeks a Senior Technologist to architect and build a next‑gen analytics platform for Market Risk. You will transform raw trade PV outputs into strategic data assets, ingesting and processing petabytes of data and delivering instantaneous insights to senior leaders.

You will design data pipelines, develop intelligent APIs, and implement NLP-enabled interfaces. The role requires deep experience with Spark, OLAP databases, and modern data tooling in a high‑scale

Qualifications

• A degree in a quantitative or technical field such as Computer Science, Financial Mathematics, or Financial Engineering.
• Expert‑level, hands‑on experience with big data technologies, particularly Apache Spark.
• Proven experience with high‑performance OLAP databases such as Apache Pinot, Apache Druid, or Trino.
• Strong programming skills in Python, Java and/or Scala, and expert‑level SQL.
• Experience in the financial industry with an understanding of market risk, derivatives, and risk calculations (VaR, Stress Testing, PV) is highly desirable.

Responsibilities

• Architect and build robust, scalable data pipelines to ingest and process billions of trade-level PV calculations from various stress engines.
• Develop and optimize large-scale aggregation jobs using Apache Spark, ensuring high performance and efficiency.
• Design and deliver a suite of intelligent data APIs for flexible access to risk data across the firm.
• Integrate NLP capabilities to create intuitive query-based interfaces for data exploration.
• Load and model massive aggregated datasets into OLAP engines like Pinot, Druid, and Trino.
• Build interactive analytics tools and dashboards on top of the OLAP layer for fast drill-downs.

Skills

Big data analytics

Problem solving at scale

Communication with stakeholders

Independent contributor

Leadership of technical projects

Education

Degree in quantitative/technical field

Tools

Apache Spark

Apache Pinot

Apache Druid

Trino

Python

Java

Scala

SQL

NLP

Job description

Citibank, N.A. in the United Kingdom seeks a Senior Technologist to architect and build a next‑gen analytics platform for Market Risk. You will transform raw trade PV outputs into strategic data assets, ingesting and processing petabytes of data and delivering instantaneous insights to senior leaders.

You will design data pipelines, develop intelligent APIs, and implement NLP-enabled interfaces. The role requires deep experience with Spark, OLAP databases, and modern data tooling in a high‑scale