Company

Technology

Senior/LeadDataEngineerAI-NativeAftermarketPlatform

€105–155k ~AI est. Bulgaria FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior/Lead Data Engineer – AI-Native Aftermarket Platform. Skills: Data Engineering, AI Workloads, Data Modeling, Python Systems. Design scalable data pipelines. Build scalable data pipelines”

Industry & Context.

Technology
Problems you'll solve

Performance troubleshooting; Resolve performance issues; Resolve pipeline issues

What They're Looking For.

Must Have

Expertise in SQL, Dimensional data modeling, Medallion architecture, SCD patterns, Dataset grain management, Extensive experience building production-grade data pipelines using Python, Testing practices (pytest), Typing, Code quality tools, Deep hands-on experience with Spark/PySpark, Performance troubleshooting using tools such as Spark UI, Experience with dbt, Model development, Testing frameworks, Data documentation practices, Solid knowledge of Databricks, Delta Lake, Modern lakehouse architectures, Experience working with cloud data platforms, GitHub, CI/CD workflows, Secret management systems, Proven ability to operate in complex, distributed systems, Make architectural trade-offs, Communication skills, Document technical decisions, Translate engineering work into business impact, Leadership experience mentoring engineers, Setting technical direction, Contributing to engineering best practices

Nice to Have

Familiarity with Azure ecosystem tools (ADF, ADLS), Modern observability tools, AI-assisted engineering tools

What You'll Do.

Design scalable data pipelines

Build scalable data pipelines

Maintain scalable data pipelines

Implement data quality frameworks

Enforce data quality frameworks

Develop Databricks-based workloads

Deploy Databricks-based workloads

Operate within secure cloud environments

Operate within governed cloud environments

Provide technical leadership

Define architecture standards

Guide cross-team engineering decisions

Ensure reliability of data systems

Ensure observability of data systems

Identify performance issues

Resolve performance issues

Identify pipeline issues

Resolve pipeline issues

How You'll Work.

Team & Collaboration

Cross-team engineering decisions

Communication Scope

Document technical decisions; Translate engineering work

Process & Methodology

CI/CD workflows

Full Job Description

## Accountabilities Design, build, and maintain scalable, idempotent end-to-end data pipelines using modern data stack principles to support analytics and AI workloads. Develop robust data models (star and snowflake schemas) and write high-quality, grain-aware SQL to build scalable and reliable data marts. Build production-grade Python systems with strong engineering discipline, including testing, type safety, and modular design. Develop and manage dbt models across layered architectures (staging, intermediate, marts), ensuring strong testing and documentation standards. Implement and enforce data quality frameworks, including validation checks, schema enforcement, and anomaly detection across pipelines. Develop and deploy Databricks-based workloads (including Asset Bundles) and operate within secure, governed cloud environments. Provide technical leadership by defining architecture standards, reviewing code, mentoring engineers, and guiding cross-team engineering decisions. Ensure reliability and observability of data systems, while proactively identifying and resolving performance or pipeline issues. Requirements: Strong expertise in SQL and dimensional data modeling, including medallion architecture, SCD patterns, and dataset grain management. Extensive experience building production-grade data pipelines using Python, with strong testing practices (pytest), typing, and code quality tools. Deep hands-on experience with Spark/PySpark and performance troubleshooting using tools such as Spark UI. Strong experience with dbt, including model development, testing frameworks, and data documentation practices. Solid knowledge of Databricks, Delta Lake (MERGE, OPTIMIZE, Z-ORDER, time travel), and modern lakehouse architectures. Experience working with cloud data platforms and tools such as GitHub, CI/CD workflows, and secret management systems. Proven ability to operate in complex, distributed systems and make architectural trade-offs between cost, scalability, and perform

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