Snowflake Data Engineering Consultant

ISHIR; San Antonio (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

ISHIR in San Antonio, TX seeks an experienced Analytics/Data Engineer specializing in Snowflake, SQL, dbt, and Python to transform complex banking data into scalable enterprise analytics. You will model core banking data (Jack Henry), integrate ancillary sources, and build production-grade dbt pipelines with automated data quality testing, while optimizing Snowflake performance and security.

Candidates should be adept with Kimball methodologies, SCDs, semi-structured JSON/VARIANT data, GitHub,

Qualifications

• Experience in Snowflake, SQL and dbt for analytics workloads.
• Proficient in Python and API data ingestion.
• Strong dimensional modeling using Kimball, including SCDs.
• Familiar with JSON/VARIANT semi-structured data in banking context.
• Knowledge of GitHub, Postman, Azure, and Linux environments.

Responsibilities

• Architect and build dimensional data models around Jack Henry core banking structures.
• Design dbt transformation pipelines with external data feeds to the core foundation.
• Develop, test, and document dbt models with automated data quality checks.
• Collaborate on Python-based API payload transformations.
• Optimize Snowflake performance, RBAC, clustering, and security.
• Work with Jack Henry core banking data structures or similar.
• Handle Snowflake SQL and semi-structured data parsing.
• Build production dbt models and data quality tests.

Skills

Snowflake

SQL

dbt

Python

Dimensional data modeling

Kimball methodology

SCDs

JSON/VARIANT data

GitHub

Postman

Azure

Linux

Tools

GitHub

Postman

Azure

Linux

Job description

Job Title - Snowflake Data Engineering Consultant

Duration - 12+ Months

Work Mode- Onsite

Work Location- San Antonio,TX

Position Summary: We are seeking an experienced Analytics/Data Engineer with strong expertise in Snowflake, SQL, dbt, Python, and dimensional data modeling, specializing in transforming complex banking and financial data into scalable enterprise analytics solutions. Skilled in modeling core banking data, integrating ancillary sources and API payloads, developing production-grade dbt pipelines with automated data quality testing, and optimizing Snowflake performance and security. Proven experience with Kimball methodologies, SCDs, semi-structured JSON/VARIANT data, GitHub, Postman, Azure, and hybrid Linux environments, with a strong understanding of financial data and core banking platforms such as Jack Henry.

PRINCIPAL DUTIES AND RESPONSIBILITIES (May perform any or all of the following):

• Jack Henry Core Data Modeling: Architect and build dimensional data models (Kimball star schema/snowflake schema) around Jack Henry core banking structures (accounts, transactions, customer profiles, general ledger).
• Ancillary Data Integration: Design dbt transformation pipelines that join and append external third-party data feeds to the Jack Henry core data foundation.
• dbt Pipeline & Testing: Develop, test, and document modular dbt transformation models, incorporating automated data quality checks and version control via GitHub.
• API Payload Transformation: Collaborate with our Python developers to process, flatten, and model raw JSON/relational API payloads landed from Jack Henry and other vendor interfaces.
• Snowflake Performance & Security: Optimize virtual warehouses, role-based access controls (RBAC), clustering, and query execution for banking analytics.
• Core Banking Domain: Direct experience working with Jack Henry core banking system data structures or similar core financial platforms.
• Snowflake & SQL: Deep expertise in Snowflake architecture, complex SQL, and handling semi-structured data (parsing JSON/VARIANT payloads).
• dbt Expertise: Proven track record building production dbt models, data quality tests, and documentation.
• Dimensional Modeling: Strong background in Kimball methodology, slowly changing dimensions (SCDs), and financial data modeling.
• Technical Stack Familiarity: Hands-on experience working alongside Python API ingestion workflows, GitHub version control, Postman API testing, and hybrid Linux/Azure environments.

ABOUT ISHIR

ISHIR is a digital innovation and enterprise AI services provider. We work with startups and enterprises to shape the future through accelerated innovation, deep technical expertise, access to global digital talent and a passion for complex problem-solving. With our help, our clients overcome their most difficult digital challenges leveraging AI.

We are not just consultants, we are partners in our clients’ success, assisting them with re(gaining) competitive edge by identifying opportunities for differentiation, industry disruption, scalable innovation, and go-to-market strategies that deliver successful outcomes.

At ISHIR, we help bold businesses accelerate innovation through Talent, Speed-to-Market, and AI. We help make an impact by solving real problems using innovation, improved customer experiences and the right technologies.

As an ISHIR employee, you will get the advanced training you need to be successful, and the opportunity to apply it. You must be passionate about technology, crave responsibility, and be eager to apply your knowledge to real business solutions for our startup and enterprise customers. These are the qualities of a person destined for success at ISHIR.

ISHIR attracts a special type of individual—someone who is proactive, thrives on challenges, feeds off success, and looks at moving targets not as obstacles but as opportunities. ISHIR is an exciting place to work. It is imbued with an entrepreneurial spirit and promotes self-reliance, open communication, and collaboration