Data Engineer (AI)

TL;DR

Data Engineer (AI): Building and maintaining automated data pipelines for an AI-assisted legacy-code documentation platform with an accent on AST processing, knowledge graphs, vector search, and structured data transformation. Focus on integrating Neo4j, Qdrant, Tree-sitter, and self-hosted LLMs while validating data quality, pipeline consistency, and large-scale processing performance.

Location: Remote within Poland

Company

hirify.global is a custom product engineering company supporting multinational organizations and scaling startups through software development, consulting, analytics, and product engineering.

What you will do

• Develop, test, and maintain production data pipelines processing AST outputs, knowledge graphs, vector embeddings, and metadata.
• Ingest, normalize, and update code dependency graphs in Neo4j and vector indexes in Qdrant.
• Transform raw source-code structures into structured Markdown assets and standardized JSON/RAG inputs.
• Monitor pipeline throughput, troubleshoot batch-processing errors, and maintain consistent data states.
• Collaborate with Senior Data Engineers and AI/ML Engineers to improve retrieval speed and pipeline efficiency.

Requirements

• 3+ years of commercial experience building and maintaining production data pipelines.
• Solid proficiency in Python, SQL, and data manipulation frameworks.
• Hands-on experience with graph databases, vector search engines, or static code parsing frameworks such as Neo4j, Qdrant, and Tree-sitter.
• Proficiency with Git, Docker, unit and integration testing, and CI/CD workflows.
• Strong analytical skills focused on data accuracy, schema consistency, and output validation.
• Professional English proficiency at B2+/C1 level required.

Culture & Benefits

• Full remote working possibilities within Poland.
• Access to meetups, conferences, workshops, Udemy, language courses, and company-paid certifications.
• Opportunities to work on large-scale, globally impactful projects and move between internal domains.
• Company-paid premium medical coverage through Luxmed.
• MyBenefit cafeteria platform with customizable perks.
• Collaborative One Team culture with delivery centers in Wrocław and Gdańsk.

Hiring process

• Submit an application to begin the recruitment process.