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AJW Group

Data Engineer

Posted An Hour Ago
Be an Early Applicant
Hybrid
Sofia, Sofia-grad
Entry level
Hybrid
Sofia, Sofia-grad
Entry level
Build and maintain production-grade ETL/ELT pipelines, data models, schemas, and cloud data solutions supporting AI products. The role includes SQL optimization, pipeline monitoring, troubleshooting, data integration, documentation, quality controls, and collaboration with AI engineering and broader data teams. Preferred experience includes enabling machine learning initiatives, graph databases, e-commerce data, governance, AWS, and Terraform.
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In this role, you’ll build and own the data foundation that AJW's AI products depend on, working within the company's existing cloud data platform. The role closes a gap in dedicated data engineering support for the AI Innovation team, enabling faster and more reliable delivery of AI features.

What you’ll be doing:

  • Designing, building and maintaining ETL/ELT pipelines.

  • Writing and optimising SQL, and maintaining data models and schemas.

  • Working with the AI Engineer to understand and meet data needs for AI features.

  • Monitoring data pipeline health and troubleshooting issues.

  • Liaising with the wider Data & Analytics function on architecture and standards.

  • Documenting data flows, quality checks and retention practices

About you

  • Proven experience designing, building and maintaining production-grade data pipelines (ETL/ELT) within modern cloud-based data platforms.

  • Strong SQL expertise and data modelling capabilities, with hands-on experience using cloud data warehouses and data transformation/orchestration tools.

  • Demonstrated ability to integrate data from multiple sources to create scalable and reliable data solutions.

  • Highly analytical, methodical and detail-oriented approach to problem-solving.

  • Comfortable collaborating with cross-functional engineering teams beyond traditional BI and reporting environments.

  • Strong communication skills, with the ability to clearly explain technical concepts, data decisions and trade-offs to both technical and non-technical stakeholders.

Nice to have

  • Experience enabling AI and machine learning initiatives through data engineering solutions.

  • Previous experience working within a small, in-house data or AI team.

  • Exposure to knowledge graph or graph database modelling.

  • Experience working with e-commerce, marketplace or customer transaction data.

  • Familiarity with data governance, data quality and data management best practices.

  • Experience working with AWS and Terraform.

Why join us?We are AJW. We connect, supply, and deliver. We’re proud to be part of an industry that connects the world.

At AJW, we’re more than just a business, we’re a global team shaping the future of aviation. We connect, supply, and deliver to keep the world moving, and we invest in the people who make it happen. When you join us, you’ll be part of an innovative, supportive, and inclusive workplace where you can grow and thrive. Here’s what we offer:

  • A team fun budget.

  • Access to LinkedIn learning to support your personal development.

  • A discretionary bonus and private healthcare

  • A modern office with an onsite gym, bike-to-work scheme, and a great restaurant

We encourage five days a week in the office to strengthen teamwork, collaboration, and development. However, we understand personal circumstances vary, and we support flexibility where needed. Some roles may require more in-office presence to meet business needs, but we’re committed to finding the right balance for our team.

Watch the video below to discover who we are, what we do, and why AJW could be the perfect place for your next career move.


To recruitment agencies: AJW Group will not accept unsolicited or speculative agency CV’S and will not be responsible for any fees related to unsolicited CVs.

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