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Requirements found
Writing Sql (must) Python (must) Compliance Salesforce (nice) Tableau (nice) Power Bi (nice)
What this posting asks for
Level: Senior — The title says "Senior".
Main responsibilities
- Foundational Data Modeling & Architecture
- Design and build the Data 360 data products: governed, well-documented, dimensional and domain-driven models that integrate clinical, laboratory, operational…
- Define and maintain canonical definitions for core business metrics (e.g., volume, turnaround time, first-pass yield) so they are calculated once, certified,…
- Own design and architecture decisions for the foundational layer; lead design reviews and make build-vs-buy and technology decisions in partnership with the …
- Model data across a wide range of sources and types, including structured relational data, semi-structured (JSON/event) data, lab and LIMS data, genomic and …
- Semantic Layer & Trusted Views
- Build and maintain semantic layers and certified, trusted views of core metrics that enable self-service analytics with consistent definitions.
- Use Sigma to publish foundational datasets, governed metrics, and reusable workbook components that business teams can build on with confidence.
- Design data models with downstream consumption in mind: performance, discoverability, and ease of use for analysts, dashboards, and LLM-based querying.
- Hands-On Data Engineering
Competencies an interviewer will look for
- Technical skill Core
In the posting: “You will write production code, make design decisions that shape how data is modeled and governed across domains, and set the engineering bar for the foundat…” · “We expect engineers to use AI coding harnesses and agentic tooling as a core part of how they design, build, test, document, and operate data products, and t…” · “The ideal candidate is a strong software engineer first, with deep data modeling instincts, a passion for standards and governance, and the judgment to balan…”
Show it by: Names the tools, languages or systems used and how; Explains a technical choice and its trade-off. - Communication Core
In the posting: “You'll work across engineering, lab operations, product, and commercial teams, so clear communication and the ability to drive alignment without direct autho…” · “Establish and enforce standards for naming, modeling, testing, documentation, and certification of data products.” · “Use AI coding assistants and agentic tools daily across design, coding, testing, documentation, and operations, and measurably increase your own and the team…”
Show it by: Adapts the message to the listener; Gives an example of explaining something clearly in writing or speech. - Teamwork and collaboration Core
In the posting: “Partner with governance, security, and data platform teams on metadata, cataloging, and discoverability.” · “Collaboration & Technical Influence” · “Collaborate with the data platform and AI platform teams so solutions build on shared foundations rather than one-off pipelines.”
Show it by: Says what they did inside a team, not only what 'we' did; Shows how a disagreement was handled. - Customer focus Core
In the posting: “Natera is a global leader in cell-free DNA testing, serving patients across oncology, women's health, and organ health.” · “Our Data & AI organization builds the enterprise data platform and AI systems that turn clinical, genomic, and operational data into products that improve pa…” · “We are looking for a Senior or Staff Data Engineer to join the Foundations team and build governed, trusted, reusable data products (Data 360s - e.g., Patien…”
Show it by: Puts the customer's need in their own words; Shows a result for the customer, not only for the company. - Data and analysis Core
In the posting: “Our Data & AI organization builds the enterprise data platform and AI systems that turn clinical, genomic, and operational data into products that improve pa…” · “We are looking for a Senior or Staff Data Engineer to join the Foundations team and build governed, trusted, reusable data products (Data 360s - e.g., Patien…” · “You will write production code, make design decisions that shape how data is modeled and governed across domains, and set the engineering bar for the foundat…”
Show it by: Uses a number to describe the situation or the result; Explains what the data showed and what was done with it. - Attention to detail and quality Core
In the posting: “Natera is a global leader in cell-free DNA testing, serving patients across oncology, women's health, and organ health.” · “You will work in a regulated environment where data quality, lineage, and privacy are core requirements of everything we ship.” · “The ideal candidate is a strong software engineer first, with deep data modeling instincts, a passion for standards and governance, and the judgment to balan…”
Show it by: Gives an example of an error caught before it caused harm; Names the check or standard they used. - Stakeholder management Core
In the posting: “You'll work across engineering, lab operations, product, and commercial teams, so clear communication and the ability to drive alignment without direct autho…” · “Collaboration & Technical Influence” · “Work directly with product managers, lab operations, engineering, and commercial stakeholders to understand their questions and translate them into well-scop…”
Show it by: Shows how they aligned people with different goals; Explains how they handled a 'no' from someone senior. - Problem solving Supporting
In the posting: “Our aim is to make personalized genetic testing and diagnostics part of the standard of care to protect health and enable earlier and more targeted intervent…”
Show it by: Describes a real problem, the options considered and the one chosen; Shows how the cause was found, not just the fix. - Leadership and mentoring Supporting
In the posting: “Mentor other engineers through code review, pairing, and design feedback;”
Show it by: Describes setting direction or a standard others followed; Names someone they coached and what changed for them. - Planning and organisation Supporting
In the posting: “Our Data & AI organization builds the enterprise data platform and AI systems that turn clinical, genomic, and operational data into products that improve pa…”
Show it by: Shows how priorities were set when everything was urgent; Mentions deadlines met and how.
Read from the posting's own words by fixed rules — no AI service. Nothing you paste is sent anywhere or stored.
Read the interview answer library
Strong sample answers to every practice question below, with why they work and the mistakes that cost points. Nothing to type.
Interview journey 25 questions in groups of 5, a new random order each time, then the HR Perspective analysis; no account needed.
HR Perspective question bank Browse 53 prompts with topic filters, answer criteria and follow-up practice.
Practice questions
- Tell me about yourself. Dedicated step-by-step practice.
- If an interviewer asks something improper How to respond to questions about age, family, origin or health.
- Built from this posting (8):
- Walk me through a piece of work where you used your strongest technical skill. What exactly did you do? From this posting
- Tell me about a time you had to explain something complex to someone outside your field. From this posting
- Describe a time you worked with another team to deliver something. What was your part? From this posting
- Describe a time you went out of your way to solve a customer's problem. From this posting
- How have you used sql in your work? Walk me through one real example. From this posting
- Tell me about a problem you solved using python. From this posting
- Tell me about a time you helped someone on your team get better at their work. From this posting
- Tell me about a difficult problem you solved at work. How did you find the cause? From this posting
- This posting reads as Software engineering: its questions come first.
- Walk me through a feature you built from start to finish. What tools and languages did you use? Software engineering
- Tell me about the hardest bug you have tracked down. How did you find the cause? Software engineering
- Describe a technical design decision you made and the trade-off behind it. Software engineering
- Tell me about a time you disagreed with a teammate in a code review. Software engineering
- Production is down and you are the first engineer to notice. What do you do in the first 30 minutes? Software engineering
- How do you decide what to test before you ship a change? Software engineering
- Tell me about a time you helped a less experienced engineer get unstuck. Software engineering
- Your estimate for a feature turns out to be badly wrong halfway through. What do you do? Software engineering
- How do you keep your pipeline organised?
- Walk me through how you would check whether a report's numbers are right.
- Describe a time you handled an upset customer or colleague.
- Tell me about a time you had several deadlines at once. How did you decide what to do first?
- Give an example of a mistake you caught before it caused a problem.
- Tell me about a time you taught someone how to do something.
- Describe a time you took the lead without being asked.
- Tell me about a time you had to explain something complicated in simple terms.
- Describe a process you improved.
- Do you have any questions for us?
- Why do you want to work here?
- Why is there a gap in your employment? Difficult question
- Why did you leave your last job? Difficult question
- Why are you changing careers? Difficult question
- What is your greatest weakness? Difficult question
- What are your salary expectations? Difficult question
- You seem overqualified for this role. Why do you want it? Difficult question
- Improper-question practice: How old are you? / Do you have children? / Where are you from originally?
- A customer is angry about a delay you did not cause. What do you do?
- How do you keep track of many open customer requests?
- Tell me about a time you could not give a customer what they wanted.
- You find that the inventory count does not match the system. What do you do?
- Tell me about a time a shipment or delivery went wrong.
- How do you make sure safety rules are followed on a busy shift?
- Two managers ask you to book the same room at the same time. What do you do?
- How have you used spreadsheets in your work?
- Tell me about a time you had to enter or check a lot of data accurately.
- Tell me about a sale or agreement you are proud of.
- A prospect says your price is too high. How do you respond?
- Tell me about a technical problem you solved on your own.
- You find a bug right before a release. What do you do?

