Data Engineer

About the Position

Join Luxoft's Data Engineering team as a Data Engineer to enhance internal assistant reliability 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

• Competitive salary.
• Opportunity to work remotely from Serbia.
• Professional growth and development.

About the Company

Luxoft is a global technology services company that helps businesses innovate and transform through technology. We are committed to delivering high-quality solutions and fostering a collaborative and inclusive work environment.