Sr Data Engineer with Snowflake

Quantum Technologies. LLC; Houston (TX); On-site; USD 84,000 - 120,000; Full time

Job summary

Quantum Technologies. LLC is seeking a Sr Data Engineer to design scalable data models and pipelines in Snowflake, using DBT and advanced SQL. The role requires strong data profiling and the ability to translate business needs into robust data solutions.

You will collaborate with business leaders and cross-functional teams to optimize query performance, implement data quality testing, and document data lineage. A fast-paced environment with production responsibilities awaits.

Qualifications

• Strong SQL knowledge with CTEs, complex joins, and analytic/window functions.
• Proficient in Python at least intermediate level.
• Hands-on Snowflake experience in production workloads.
• Data profiling to identify keys, cardinality, data types, and skew.
• Clear communication within teams and with stakeholders.

Responsibilities

• Design scalable data models and pipelines aligned with business goals.
• Develop complex DBT models using macros and packages.
• Identify performance bottlenecks in Snowflake queries and DBT models.
• Optimize Snowflake warehouses and query performance.
• Create reusable DBT packages and macros for team-wide use.
• Document architecture decisions and data lineage.

Skills

SQL

CTEs & Joins

Python

Snowflake

Data Profiling

Communication

Product & QA understanding

Tools

DBT

Snowflake

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: Sr Data Engineer with Snowflake

Location: Houston ,TX

Duration: 8 Months + Extension

Bill Rate: $74/hour (C2C)

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-4-EAD, Other

Job Description

• Design and implement scalable data models and pipelines that align with business objectives.
• Develop complex DBT models using advanced features (macros, packages, custom materializations).
• Collaborate with business leaders to translate complex requirements into technical solutions Identify and resolve performance bottlenecks in Snowflake queries and DBT models.
• Optimize Snowflake warehouse configurations and query performance Design and implement data quality frameworks and testing strategies.
• Create reusable DBT packages and macros for team-wide use.
• Review and approve pull requests from junior team members.
• Troubleshoot production issues and implement long-term solutions.
• Document architectural decisions and data lineage.

Mandatory skills

• SQL: Highly Skilled.
• Must be familiar with common table elements (CTEs), complex joins, and analytic & windowing functions.
• Python: Some experience is required. We prefer Intermediate or higher skill.
• Snowflake: Prefer candidates with real-world experience using Snowflake.
• Data Profiling: Must be able to identify unique and primary keys and determine cardinality, data type, precision, and scale, and skew.
• Effective communication skills to communicate internally within our team and externally across other teams, notably.
• Product and QA Understands the scope and context of the work and takes initiative to achieve the goals, rather than waiting to take specific direction.

Good to have skills

• Healthcare Industry Experience: Some experience is desired, preferably Payer experience.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.