Python Developer - Market Risk & Data Management

Python Developer - Market Risk & Data Management

Location: Warsaw

Contract Type: 6 Months

Job Type: Hybrid

Key Responsibilities

• Work on critical market risk calculations including HPL, RTPL andHVaR
• Build and maintainPython-based data frameworks for a major financial institution
• Apply yourexpertiseacross Python, SQL,C#and big data technologies
• Join a6-8 monthcontract with scope to extend
• Collaborate with experienced risk management and technology teams

Company Overview

Our client is an established financial servicesorganisationoperatingacross Poland. Theyspecialisein market risk management and trading systems, supporting critical business operations through robust technology solutions. The companymaintainsa strong focus on data quality and regulatory compliance, working with large-scale data platforms and advanced calculation engines. Their technology teams work on high-impact projects that directly support trading desks and risk functions.

They are seeking an experienced Python Developer to join their market risk technology team in Warsaw on a contract basis. This role offers the opportunity to work on complex risk calculations and data management frameworks that support critical trading and risk operations.

Position Overview

As a Python Developer, you will play a key role in developing andmaintainingmarket risk calculation systems and historical data management frameworks. You will work on ACE calculations for HPL (Hypothetical P&L), RTPL (Real-Time P&L) andHVaR(Historical Value at Risk), alongside building Python-based data sourcing,qualityand filling frameworks. This position contributes directly to the accuracy and reliability of risk reporting systems used across the tradingorganisation.

Responsibilities

• Develop andmaintainACE calculations for HPL, RTPL andHVaRmetrics
• Build Python-based data sourcing frameworks for historical data stores
• Implement data quality checks and data filling logic
• Work with big data platforms includingMapRand Hadoop ecosystem
• Write andoptimiseSQL queries for data extraction and validation
• Collaborate with risk managers to understand calculation requirements
• Support CI/CD pipelines and DevOps practices
• Troubleshoot and resolve data and calculation issues
• Document technical solutions andmaintaincode standards

Requirements

• 6-8 years of experience in software development
• Strong Python programming skills with experience in data processing
• Proficiencyin Oracle SQL for data manipulation and querying
• Knowledge of market risk management concepts and calculations
• Experience with big data technologies, particularlyMapRor Hadoop ecosystem
• Familiarity with C# 5.0 or similar object-oriented languages
• Understanding of DevOps practices including CI/CD pipelines
• Experience working with large-scale data platforms
• Ability to work independently and manage technical deliverables
• Strong analytical and problem-solving skills
• Good communicationskills in English

Benefits

• Competitive contract day rate
• Opportunity to work on high-impact market risk systems
• Exposure to enterprise-scale data platforms and technologies
• Collaboration with experienced risk and technology professionals
• Flexible working arrangements

You’llwork within a professional environment alongside specialists in risk management, quantitativeanalysisand technology. The team values technical excellence,collaborationand continuous improvement, providing opportunities to develop your skills across market risk and data engineering.