Junior Data Engineer (KDB)

Type of contract: Employment contract

Salary range: 8650 - 13850 PLN gross

What will you do?

You will join the AI Markets development team and work with KDB+/q, one of the most advanced time-series database technologies used in financial markets. The team delivers reporting, analytics, and management information for traders, quants, sales teams, senior management, and external clients. You will help develop high-performance data solutions, optimize access to large datasets, and support AI Markets capabilities through scalable analytics and APIs while collaborating with global teams across Europe, Asia, and North America.

Your tasks

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

Build analytics and aggregation layers consumed by downstream systems, APIs, and AI/ML models

Expose KDB+ data and analytics through APIs and services

Work with AI and data engineering teams to prepare datasets for model training and execution

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

Support resilience, failover, and disaster recovery capabilities for critical services

Collaborate with traders, quants, sales teams, and product owners to deliver business solutions

Ensure compliance with operational risk, model risk, and data governance requirements

Participate in data analysis, testing, and software delivery activities

Your skills

Analytical mindset with a passion for solving complex data engineering problems

Strong computer science fundamentals

Knowledge of functional programming concepts or experience with languages such as Clojure, Haskell, or Scala

Interest in vectorized programming approaches using Python, R, Matlab/Octave, or Wolfram Mathematica

Passion for technology, automation, and continuous improvement

Interest in large-scale data processing and basic statistical concepts

Knowledge of or willingness to learn Linux and client-server technologies

Interest in cloud infrastructure and AI/ML technologies

Ability to understand requirements and translate them into technical solutions

Strong collaboration and problem-solving skills

Nice to have

Knowledge of KDB+/q

Experience with financial markets or trading systems

Knowledge of API development

Experience with cloud platforms

Understanding of monitoring and observability tools

Exposure to AI/ML projects

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

.buttontext616d4705bd22aece a{ border: 1px solid transparent; } .buttontext616d4705bd22aece a:focus{ border: 1px dashed #972875 !important; outline: none !important; } We are GFT Poland. WE KNOW how to tackle complex issues with innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun and develop as human beings. .buttontext51d9fe5a33d0d42c a{ border: 1px solid transparent; } .buttontext51d9fe5a33d0d42c a:focus{ border: 1px dashed #972875 !important; outline: none !important; } Why Choose GFT? A culture of top performance Deep tech IT engineering & consulting 1200 skilled & top-class experts 77% of the team are regular/senior Products that contribute to a sustainable world Competitive salary and benefits Ambitious projects, trainings and tools you need to flourish Google Cloud Partner of the Year - for going above and beyond for customers .jobColumnTwo .displayDTM h2 { margin-top: 0px !important; } .jobColumnTwo .displayDT ul{ padding-inline-start: 20px !important; list-style-position: outside !important; } .buttontextb636f3111304c10b a{ border: 1px solid transparent; } .buttontextb636f3111304c10b a:focus{ border: 1px dashed #972875 !important; outline: none !important; }