Senior Data Engineer - Microsoft Fabric Lakehouse Lead

Valiant Technologies LLC; Hartford (CT); On-site; USD 82,000 - 117,000; Full time

Job summary

Valiant Technologies LLC is seeking a Data Engineer with Microsoft Fabric for an onsite Hartford engagement. You will own the design and delivery of data pipelines and analytics models on Fabric, shaping solution design, leading hands-on build, and mentoring junior developers.

Expect minimal supervision and production-ready, governed assets. The role requires senior-level expertise in Fabric data pipelines, lakehouse concepts, and governance, with strong communication to business and IT

Qualifications

• 8+ years in data engineering with end-to-end Fabric experience and production deployment.
• Expert-level SQL (T-SQL) and PySpark with Delta Lake knowledge.
• Strong dimensional modelling and medallion architecture experience.
• Incremental loads, CDC patterns, and data quality at scale; Git-based CI/CD for data assets.
• Experience leading or mentoring a small team and doing code reviews.
• Strong communication skills with client stakeholders.

Responsibilities

• Lead design and build of ingestion and transformation pipelines using Fabric Data Factory and Spark notebooks.
• Define Lakehouse vs Warehouse choices and medallion layering on One Lake with Delta tables.
• Design and optimize Power BI semantic models and guide report developers.
• Migrate workloads to Fabric including assessment, sequencing, and cutover.
• Set up and own CI/CD using Fabric Git integration and deployment pipelines.
• Define and enforce security and governance: workspace roles, security, and Purview integration.
• Own performance and capacity management and tune pipelines, Spark jobs, and queries.
• Conduct code and design reviews and mentor junior developers.
• Run requirement workshops and demos, estimate work, flag risks early.

Skills

Data engineering

SQL

PySpark

Delta Lake

Mentoring

Stakeholder communication

Tools

Power BI

Fabric Data Factory

Delta Lake tooling

GitHub

Azure DevOps

Job description

Valiant Technologies LLC is seeking a Data Engineer with Microsoft Fabric for an onsite Hartford engagement. You will own the design and delivery of data pipelines and analytics models on Fabric, shaping solution design, leading hands-on build, and mentoring junior developers.

Expect minimal supervision and production-ready, governed assets. The role requires senior-level expertise in Fabric data pipelines, lakehouse concepts, and governance, with strong communication to business and IT