Jr. Data Architect/Engineer

Roth Staffing is seeking Jr. Data Architect/Engineer contract opportunity with our client in Plano, TX.

Position Summary:
We are seeking a mid-level Data Platform Engineer to build a new greenfield data platform integrating internal systems (GSCM, SEASI, SMART, and BOSS) using a Medallion Architecture. This role owns the end-to-end data pipeline-from ingestion through Bronze/Silver/Gold transformation-while migrating existing Alteryx workflows to code-based dbt and Python implementations. The engineer will also develop an MCP server enabling AI agents to query business-specific data marts, directly supporting the organization's AI-driven analytics initiatives. Success in this role will deliver a scalable, governed data foundation that accelerates business insights and AI adoption.

Responsibilities:
Ingest data from sources such as Microsoft SQL Server (BOSS) and Oracle into the Bronze layer, implementing CDC-based incremental ingestion
Develop dbt models for the Silver layer including cleansing, standardization, deduplication, and data quality testing
Develop Gold layer business-specific data marts and migrate existing Alteryx transformation logic
Configure Apache Iceberg tables and a REST Catalog, including schema evolution and time travel support
Develop and operate Apache Airflow DAGs, managing dependencies, scheduling, and failure notifications
Develop an MCP server enabling AI agents to query Gold-layer data marts, including catalog/metadata access, ontology integration, and query execution
Manage metadata and data lineage using OpenMetadata
Automate Excel reporting using Python and openpyxl

Required Qualifications:
3+ years of hands-on data engineering experience in production environments
Advanced SQL skills, including window functions, CTEs, and query tuning
Hands-on dbt experience, including model design, incremental strategies, macros, and tests
Python proficiency for data processing and automation, including libraries such as pandas
Experience developing Apache Airflow DAGs
Experience with at least one analytical engine: Trino/Presto, Apache Spark, or DuckDB
Experience with at least one lakehouse table format: Apache Iceberg, Delta Lake, or Apache Hudi
Experience with Medallion Architecture and star schema/dimensional modeling
Experience integrating relational database sources, such as Microsoft SQL Server and Oracle, using CDC or batch processing

Preferred Qualifications:
Experience with EL tools such as Airbyte or Fivetran, and Iceberg REST Catalog implementations such as Apache Polaris
Experience with governance tools such as OpenMetadata or DataHub, and semantic layers such as Cube.dev
Ability to interpret Alteryx workflows (.yxmd) and migrate their logic to SQL/dbt
Experience developing MCP servers or building LLM, RAG, or AI agent pipelines
Experience developing applications, APIs, or backend services using Java and/or Python
Experience building Generative AI (GenAI) applications, including LLM integration, retrieval-augmented generation (RAG), and AI agent workflows
Hands-on experience with LangChain and/or LangGraph for developing tool-enabled AI agents and orchestrating multi-step workflows
Understanding of retail and home appliance business domains, including PSI (Production, Sales, and Inventory) and sales analytics
Understanding of retail and home appliance business domains, including PSI (Production, Sales, and Inventory) and sales analytics

Required Technical Skills:
SQL, dbt, Python, pandas, Apache Airflow, Trino/Presto or Apache Spark or DuckDB, Apache Iceberg or Delta Lake or Apache Hudi, Microsoft SQL Server, Oracle, Kubernetes, MinIO (S3-compatible storage)

Preferred Technical Skills:
Java or Python, Generative AI (GenAI) and LLM integration, LangChain, LangGraph, RAG and AI agent pipelines, MCP server development, Airbyte, Fivetran, Apache Polaris, OpenMetadata, DataHub, Cube.dev, Alteryx, openpyxl

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, Los Angeles County Fair Chance Ordinance, and San Francisco Fair Chance Ordinance.