Data Modeller

About the position

At Staffworxs, we don't just connect talent — we power transformation. Headquartered in Frisco, TX, with teams in Bengaluru and Hyderabad, we combine global reach with deep expertise. Our Digital & Data Analytics practice drives growth and innovation for some of the world's top brands, who continue to retain us as their trusted partner. If you're ready to make an impact, you're in the right place. Job Details: Title: Data Modeller Work Location: SFO, CA - Hybrid Project Duration: 1 year, with possible extension Role Overview We are looking for an experienced Data Modeller to design, develop, and maintain enterprise data models that support business intelligence, analytics, reporting, and operational applications. The role involves translating business requirements into conceptual, logical, and physical data models while ensuring data quality, consistency, scalability, and governance. The Data Modeller will work closely with Business Analysts, Data Engineers, Solution Architects, Database Administrators, and business stakeholders to create robust and scalable data architectures.

Responsibilities

  • Data Modelling
  • Strong understanding of Conceptual, Logical, and Physical Data Modelling .
  • Strong knowledge of Relational Data Modelling and ER Modelling .
  • Experience with Dimensional Data Modelling .
  • Good understanding of normalization and denormalization techniques.
  • Experience designing Star and Snowflake schemas.
  • Understanding of slowly changing dimensions (SCD), fact tables, dimension tables, and surrogate keys.
  • Database & SQL
  • Strong SQL skills.
  • Good knowledge of relational databases such as: PostgreSQL Oracle SQL Server MySQL Snowflake
  • Understanding of database performance, indexing, partitioning, and query optimization.
  • Knowledge of database constraints and referential integrity.
  • Data Warehousing & Cloud
  • Experience with data warehouse and data lake concepts.
  • Understanding of ETL/ELT processes and data integration.
  • Experience with one or more cloud data platforms such as: AWS Microsoft Azure Google Cloud Platform
  • Exposure to platforms such as Snowflake, Databricks, Azure Synapse, BigQuery, or Amazon Redshift is desirable.
  • Data Modelling Tools
  • Experience with one or more of the following: Erwin Data Modeler ER/Studio SAP Power Designer Oracle SQL Developer Data Modeler Sparx Enterprise Architect Lucid chart Microsoft Visio

Requirements

  • Bachelor's or master's degree in computer science, Information Technology, Data Management, or a related field.
  • 5–10 years of experience in data modelling, database design, data warehousing, or related roles.
  • Experience working on enterprise data platforms and large-scale data projects.

Nice-to-haves

  • Experience working in Agile/Scrum environments is preferred.
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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...

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