About the Position

Join the Data Engineering team to contribute to the ongoing maintenance and improvement of an internal assistant that uses hosted APIs and internal knowledge sources, with a focus on reliability, retrieval quality, and operational excellence.

Responsibilities

Maintain and enhance ingestion/enrichment pipelines for internal content (parsing/extraction, normalization, metadata enrichment, deduplication, and quality monitoring)
Implement and maintain access-aware retrieval by propagating/enforcing document permissions through indexing and query-time filters, including audit logs and validation tests
Improve source attribution so responses reliably point to the correct documents and sections in a consistent format
Extend and harden tool/workflow execution and automations (scheduled/trigger-based), including retries, timeouts, idempotency, concurrency controls, and run history
Operate the platform in production: observability (logs/metrics/tracing), alerting, incident support, performance tuning, and cost controls, plus runbooks and handover documentation

Requirements

8+ years of hands-on experience in Data Science and 2+ years in Machine Learning, with a proven track record, demonstrated through a robust portfolio of projects
Strong programming skills in languages such as Python and familiarity building ETL pipelines
Expertise in SQL and experience with both relational (preferably Postgres) and NoSQL databases
Solid experience with OpenSearch
Familiarity with AWS cloud platform and its services
Experience with version control systems (e.g., Git) and CI/CD pipelines
Ability to build scalable infrastructure to embed and search very large number of documents
Ability to move fast in an environment where things are sometimes loosely defined and may have competing priorities or deadlines
Expertise in ML
Strong English skills (B2 and higher)
Strong verbal and written communication skills
Ability to work independently and collaborate in a group

Nice to Have

Agile certification
Oracle/Microsoft attestations and certifications
Domain knowledge in Trading and Capital Markets

We Offer

Relocation options
Experience in an international environment
Cross-cultural experience
Feedback culture
Regular appraisals
Annual holiday - 20 or 26 days (depending on seniority)
Occasional leave - 1 or 2 days (depending on circumstances)
Child care leave - 2 days or 16 hours per year
Absence due to force majeure - 2 days or 16 hours per year
Maternity Leave - 20 weeks
Parental Leave - 41 weeks
Paternity Leave - 14 days
Expert-led tech courses covering basic to advanced topics
Internal instructor-led soft skills courses
Comprehensive in-house self-learning resources for both soft and hard skills
Access to external self-learning libraries like ProQuest eBook and Udemy for Business
Cloud Programs: MS Cloud Academy, AWS Partner Academy, Google Cloud Academy
Custom Learning Programs: upskilling, reskilling, technical mentorship
Leadership Programs for Managers
Multisport card
Possibility to order Multisport card at the corporate rate for family members
LuxGood Program: wellbeing seminars, contests, relaxation sessions, yoga sessions, etc.
One Team Program: Buddy for each New Joiner; seminars, meeting and workplace space to support integration with local community and culture; “Hire me” workshops for partners
Preferential banking offer
Preferential car leasing offer
Cafeteria program discounts for shops, cinema tickets, holiday offers
Luxoft Social Benefit Fund: sport and recreation benefits, the possibility to receive financial support
Private Healthcare Insurance with unlimited access to specialists
Full dental support
Travel Insurance
Possibility to add private healthcare coverage for family members at the corporate rate
Life insurance at the corporate rate for employees and family members, including payment of the basic package for the employee by the employer
Reimbursement for corrective glasses
Many fun social activities organized by the Luxoft team offline in your city
Online entertainment events for whole company and local team events
A workplace where you’re treated with respect within a multicultural team
Rotation between projects and accounts
New career opportunities

About the Company

Luxoft is a global IT services company that specializes in software development, digital transformation, and managed services. We are committed to delivering innovative solutions to our clients and providing a dynamic and inclusive work environment for our employees.

Note: Relocation is not available for all open positions. At Luxoft Poland, it is possible to work remotely only from the territory of Poland.

Data Engineer

Tech Stack

Job Description, Responsibilities & Requirements