Data Engineer

Founded in France in 1988, the ALTEN Group is a leading technological partner serving the world’s largest clients. In 2023, it achieved revenues exceeding 4.07 billion euros and employs over 57,000 people, 88% of whom are engineers and IT experts.

ALTEN Polska has been operating for 13 years, supporting its clients' innovation, research and development, and IT systems. It has offices in Kraków, Warsaw, Wrocław, Gdańsk, and Poznań.

It serves key industries such as aerospace, space, industrial solutions, automotive, railway, energy, finance, telecommunications, and retail.

Areas of expertise include business analysis, cybersecurity, artificial intelligence, data analysis and cloud solutions, application development, software testing, project management, embedded software, quality management, industrialization, digital transformation, and industrial engineering.

• Strong hands-on experience with large-volume datasets in production environments
• Proven ability to optimize data queries and processes for low-latency, high-volume data
• Proficiency in Unix/Linux, scripting (Bash, Python), and version control (Git)
• Experience in FX, Rates, Credit, Equities, or Commodities trading environments
• Understanding of electronic trading, pricing, and risk concepts
• Experience with CI/CD pipelines, automated testing, and service deployment
• Strong debugging and problem-solving skills in production environments
• Clear understanding of secure coding, data protection, and operational risk principles

Nice to Have:

• Experience with kdb+
• Experience supporting AI/ML or analytics platforms
• Familiarity with time-series analytics, anomaly detection, or signal generation for trading or client analytics
• Previous experience in a global investment bank or electronic trading firm

• Design, develop, and optimize kdb+ processes and queries for low-latency, high-throughput AI Markets use cases
• Build analytic and aggregation layers for downstream systems, APIs, and AI/ML models
• Expose kdb+ data and analytics via APIs/services to front-ends, AI engines, and reporting tools
• Collaborate with AI/data engineering teams to provide structured datasets for model training and execution
• Implement monitoring, alerting, and capacity management for kdb+ environments
• Ensure resilience, failover, and disaster recovery strategies for critical market-facing services
• Partner with traders, sales, quants, and product owners to translate business requirements into technical solutions
• Adhere to operational risk, model risk, and data governance policies, including auditability and access control
• Contribute to code reviews, development standards, and best practices for kdb+ and related technologies

By applying, candidates agree to the processing of their personal data by Alten Polska sp. z o.o. for recruitment purposes as detailed in the recruitment advertisement. Candidates may withdraw consent anytime by contacting the company, which terminates the recruitment process and excludes the application from future recruitments. Selected candidates will be contacted. Personal data processing complies with EU GDPR and relevant Polish laws. Candidates have rights related to their data processing, including access, correction, deletion, restriction, objection, portability, and complaint submission to the supervisory authority. Providing required personal data is necessary for recruitment; voluntary data beyond mandatory fields may be processed with consent.