Data Engineer - Real-Time Analytics & kdb+

Mindbox Sp. z o.o.; Kraków; Hybrid; PLN 140,000 - 210,000; Full time

Benefits offered by this job

Flexible cooperation model

Hybrid work setup (2 days in Kraków)

Collaborative team culture

Continuous development and training

Comprehensive benefits (Health Care, M

Job summary

Mindbox Sp. z o.o. in Kraków is seeking a data engineer to join the AI Markets development team, delivering reporting, analytics, and management information from multiple data sources for senior management, quants, traders, and external clients.

You will work with kdb+ and large real-time datasets, focusing on data engineering, performance optimization, and API integration within a hybrid work setup with two office days per week in Kraków.

Qualifications

• Analytical mindset and passion for data engineering.
• CS fundamentals or experience with functional programming languages (Haskell, Clojure, Scala) OR vectorization skills in Python, R, Matlab, or Wolfram
• Interest in large datasets, data modeling, and statistical concepts
• Familiarity or willingness to learn Linux, Cloud infrastructure, and AI/ML integration
• Ability to own tasks from requirements gathering to implementation and testing with cooperative engagement
• Excellent problem-solving skills, proactive attitude, and strong communication skills

Responsibilities

• Develop and optimize kdb+ queries and processes to meet low-latency, high-throughput performance requirements
• Build analytic and aggregation layers that feed APIs, downstream systems, and AI/ML workflows
• Expose kdb+ data to front-end applications, AI engines, and reporting systems via APIs
• Collaborate with AI/data engineering teams to deliver structured, high-quality datasets for models
• Implement monitoring and alerting solutions for kdb+ environments
• Support failover strategies and disaster recovery plans for critical services
• Partner with traders, quants, and business stakeholders to translate requirements into scalable solutions
• Adhere to internal policies around data governance, operational risk, and model risk compliance

Skills

Analytical mindset

Functional languages

Data modeling

Statistical concepts

Linux familiarity

Cloud infrastructure

AI/ML integration

Requirements ownership

Problem solving

Communication skills

Tools

kdb+

Python

R

Matlab

Wolfram

Linux

Cloud platforms

Job description

Mindbox Sp. z o.o. in Kraków is seeking a data engineer to join the AI Markets development team, delivering reporting, analytics, and management information from multiple data sources for senior management, quants, traders, and external clients.

You will work with kdb+ and large real-time datasets, focusing on data engineering, performance optimization, and API integration within a hybrid work setup with two office days per week in Kraków.