Senior Data Engineer (KDB)

Type of contract: Employment contract

Salary range: 14600 - 22300 PLN gross

What will you do?

Join the AI Markets development team and help build and enhance a critical analytics and reporting platform based on high-volume market data. You will design and optimize data processing solutions, develop APIs and analytics capabilities, and work closely with traders, quants, sales teams, and product owners. The role offers the opportunity to work with one of the most advanced time-series technologies in the market while contributing to scalable, low-latency solutions that support reporting, analytics, and AI-driven use cases.

Your tasks

Develop and optimize KDB+ processes and queries for low-latency and high-throughput environments

Build analytics and aggregation layers for downstream applications, APIs, and AI/ML models

Expose data and analytics through APIs and services for business and technology stakeholders

Collaborate with AI and data engineering teams to deliver structured datasets for model training and execution

Implement monitoring, alerting, and capacity management across KDB+ environments

Ensure resilience, failover capabilities, and disaster recovery strategies for critical services

Translate business requirements into technical solutions together with traders, quants, sales teams, and product owners

Maintain compliance with operational risk, model risk, and data governance standards

Participate in code reviews and contribute to development standards and best practices

Support continuous improvement of platform capabilities and performance

Your skills

Strong hands-on experience working with large-scale datasets in production environments

Proven experience optimizing high-volume and low-latency data processing solutions

Experience with data engineering and distributed data platforms

Strong knowledge of Unix/Linux environments

Experience with scripting languages such as Python or Bash

Strong knowledge of Git and version control practices

Experience with CI/CD pipelines and automated deployment processes

Strong debugging and problem-solving skills in production environments

Understanding of secure coding, data protection, and operational risk principles

Experience within at least one trading domain such as FX, Rates, Credit, Equities, or Commodities

Understanding of electronic trading, pricing, and risk concepts

Ability to work closely with business and quantitative stakeholders

Nice to have

Experience with KDB+/q

Experience supporting AI/ML platforms

Experience building analytics platforms

Knowledge of time-series databases and time-series analytics

Experience with anomaly detection solutions

Experience with signal generation for trading or client analytics

We offer

Hybrid work in our client's office (Kraków) 8 days a month

Working in a highly experienced and dedicated team

Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)

Online training and certifications

Access to e-learning platform

Social events

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