Citi Group Senior Python Engineer – Transaction monitoring- VP Hybrid 

United Kingdom, England, London 

940049205

Key Responsibilities

• Design, develop, and implement data-centric applications and distributed data pipelines in Python to detect potential market abuse.
• Drive the architectural evolution of our 1LOD Transaction Monitoring systems, focusing on hosting, scheduling, and inter-dependency of data pipelines and services.
• Mentor junior team members, fostering their technical growth.
• Build ETL layers to integrate emerging data sources.
• Champion high development standards, emphasizing code quality, reviews, unit testing, and CI/CD.
• Collaborate with data scientists and business stakeholders to translate requirements into robust algorithms, data integrations, and quality checks.
• Prioritise work effectively based on client and stakeholder needs.

Skills & Qualifications

• Proven experience designing and implementing Python-based data pipelines and complex applications.
• Expertise with Big Data technologies (Dask, Spark), Docker, Kubernetes, Helm, and Terraform.
• Strong SQL skills, experience with data warehousing and relational/NoSQL databases (Impala, Hive, Delta, Databricks, Postgres, Mongo).
• Experience creating pipelines supporting ML/statistical algorithms and working with data scientists.
• Familiarity with message queues (Kafka, RabbitMQ) and DevOps practices, including CI/CD, monitoring, and log aggregation tools.
• Excellent communication and collaboration skills, with the ability to translate technical concepts to diverse audiences.
• A passion for delivering impactful solutions and driving innovation.

Degree educated (Master’s preferred) or experience operating in a similar role

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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

Time Type:

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