As a Data Engineer at The Church of Jesus Christ of Latter-day Saints, you are at the heart of a global mission to provide spiritual and temporal support to millions. This role is not merely about managing databases; it is about building the infrastructure that powers everything from sacred genealogical records in FamilySearch to the complex logistics of global humanitarian aid and member record management. You will be responsible for ensuring that data is accurate, accessible, and secure, enabling Church leaders to make informed decisions that impact lives worldwide.

The impact of your work is measured in the scale and sensitivity of the data you handle. You will contribute to projects that require massive scalability and high reliability, often involving multi-petabyte datasets. Whether you are optimizing ETL pipelines for missionary applications or architecting data lakes for financial transparency, your technical contributions ensure that the Church's digital ecosystem remains robust and forward-looking.

This position offers a unique blend of high-level technical challenges and a purpose-driven work environment. You will work alongside dedicated professionals in a culture that prioritizes integrity, excellence, and collaboration. For a Data Engineer, this means the opportunity to solve complex problems using modern cloud technologies while knowing that every line of code serves a higher purpose of service and ministry.

Interviewers at the Church tend to focus on a mix of fundamental technical skills and your ability to integrate into the Church's unique culture. The following questions represent patterns observed in recent hiring cycles.

Technical and SQL Fundamentals

These questions test your core competency in data manipulation and your understanding of how databases function under the hood.

• Write a query to find duplicate records in a member database and explain your strategy for removing them.
• What is the difference between a clustered and a non-clustered index, and when would you use each?

The questions listed above are representative of the themes you will encounter. While the specific technical tasks may vary, the focus will consistently remain on your ability to deliver high-quality, reliable data solutions while upholding organizational values.

Preparing for an interview at The Church of Jesus Christ of Latter-day Saints requires a dual focus on technical proficiency and personal alignment with the organization’s values. Your interviewers are looking for more than just a skilled coder; they are seeking a teammate who understands the weight of the data they manage and the importance of the mission they support.

Role-Related Knowledge – This is the foundation of your evaluation. You must demonstrate a mastery of SQL, data modeling, and ETL/ELT processes. Interviewers will look for your ability to design efficient schemas and your familiarity with modern data stack tools, particularly in cloud environments like AWS or Azure.

Problem-Solving Ability – You will be asked to navigate architectural challenges and data bottlenecks. The hiring team evaluates how you break down complex requirements into manageable data workflows and your ability to choose the right tool for a specific business problem.

Mission Alignment and Culture Fit – Unique to this organization is a deep emphasis on your personal values and your approach to work. You should be prepared to discuss how you handle ambiguity, how you contribute to a harmonious team environment, and how your personal goals align with the Church’s objectives.

Communication and Leadership – Even in technical roles, the ability to translate data concepts for non-technical "Department Heads" is critical. You will be evaluated on your clarity of thought and your ability to influence technical decisions through logic and collaboration.

The interview process at The Church of Jesus Christ of Latter-day Saints is structured to be thorough yet respectful of your time. It typically begins with an online application followed by a technical screening. This initial screen is often conducted by a senior Data Engineer who will dive deep into your technical background, focusing heavily on your practical experience with data pipelines and database management.

Following a successful screen, you will move into a more formal interview phase. This may involve a video conference or an in-person visit to campuses in Riverton, UT or Orem, UT. During this stage, you will meet with hiring managers and department heads. The atmosphere is professional and formal, reflecting the Church’s organizational culture. You can expect a mix of deep technical questioning and behavioral inquiries that probe your interpersonal skills and organizational fit.

This visual timeline outlines the typical progression from your initial application to the final decision. Candidates should use this to pace their technical review, ensuring they are prepared for the rigorous technical screen before shifting focus toward the more behavioral and mission-oriented final rounds.

SQL and Data Architecture

This is the most critical technical area for any Data Engineer candidate. You must demonstrate not just the ability to write queries, but an understanding of how data structures impact performance and scalability across the Church's global systems.

Be ready to go over:

• Complex Joins and Aggregations – Proficiency in manipulating large datasets to extract specific insights.
• Data Modeling – Designing Star and Snowflake schemas that support both transactional and analytical workloads.
• Query Optimization – Identifying bottlenecks in slow-running queries and implementing indexing or partitioning strategies.
• Advanced concepts – Window functions, recursive CTEs, and understanding the trade-offs between normalized and denormalized data structures.

Example questions or scenarios:

• "Given a set of member donation tables, write a query to find the top 10 contributors per region over the last five years."
• "How would you design a schema to track missionary assignments that allows for frequent updates while maintaining historical accuracy?"
• "Explain how you would optimize a multi-terabyte join operation that is currently timing out."

ETL Pipeline Development

The Church relies on seamless data movement between various platforms. You will be evaluated on your ability to build resilient, automated pipelines that ensure data integrity.

Be ready to go over:

• Tooling and Orchestration – Experience with tools like Airflow, AWS Glue, or Azure Data Factory.
• Error Handling and Logging – How you ensure pipelines are "self-healing" and how you are alerted to failures.
• Data Quality – Implementing validation checks at various stages of the ETL process.

Example questions or scenarios:

• "Walk us through a complex data pipeline you built from scratch. What were the biggest challenges?"
• "How do you handle schema evolution when a source system changes its data format without notice?"
• "Describe your approach to backfilling historical data for a new reporting requirement."

Mission Alignment and Behavioral

Because of the Church's unique nature, the behavioral portion of the interview is highly weighted. Interviewers are looking for individuals who will thrive in a formal, mission-driven environment.

Be ready to go over:

• Work Ethic and Integrity – How you handle sensitive data and maintain professional standards.
• Collaboration – Examples of working with cross-functional teams, including non-technical stakeholders.
• Conflict Resolution – Navigating disagreements within a team while maintaining a positive atmosphere.

Example questions or scenarios:

• "Tell us about a time you had to work with a difficult stakeholder. How did you ensure the project's success?"
• "How does your personal background or experience align with the mission of the Church?"
• "Describe a situation where you had to learn a new technology quickly to meet a deadline."

As a Data Engineer, your primary responsibility is to architect and maintain the data highways that support Church operations. You will spend a significant portion of your time designing and implementing robust ETL processes that ingest data from various sources—ranging from mobile apps used by members to global logistics systems—and move it into centralized data warehouses. You are the guardian of data quality, ensuring that every record is processed accurately and is ready for analysis by Church leaders and researchers.

Collaboration is a daily requirement. You will work closely with Software Engineers to understand source data structures and with Data Scientists or Product Managers to define the requirements for downstream data consumption. You aren't just building pipelines; you are consulting with department heads to help them understand what is possible with their data. This requires you to be both a technical expert and a clear communicator who can explain the "why" behind an architectural choice.

Beyond development, you will also be responsible for the operational health of the data platform. This includes monitoring pipeline performance, optimizing cloud costs, and ensuring that security protocols are strictly followed. In an organization that handles sensitive personal and financial information, your role in implementing data governance and security best practices is paramount to maintaining the trust of the Church's global membership.