Project deep dive
Which part did you own?
Heariva Interview
Practice first, then interview.
Questions fit your role and company, and every answer gets a follow-up.
Project deep dive · Mock interview04:18
Adrian · AI interviewer
You said latency dropped 40% after the migration. What other options did you consider?You said follow-up bookings rose 18%. How do you know the redesign caused it, and not the season?You said that account tripled in a year. On your first meeting, what were they most worried about?
We compared adding a cache with splitting the service. Caching was quicker to ship, but…We ran a two-week split test. The control group…Running out of capacity in peak season, so first I…
Tailored to you
Drop in your résumé. Get your own interview.
Heariva reads your résumé, the job description and the company, then plans the rounds a real interviewer would run.
PDF
resume-lena-park.pdfresume-maya-chen.pdfresume-diego-santos.pdfRésumé
TXT
Senior Backend EngineerSenior Product ManagerEnterprise Account ExecutiveJob description
URL
orbitpay.com/aboutfernway.health/aboutkestrelfreight.com/aboutCompany
Interview planSenior Backend Engineer · Orbit PaySenior Product Manager · Fernway HealthEnterprise Account Executive · Kestrel Freight
- 01Project deep diveProject deep diveProject deep diveRésumé
The migration that cut latency 40%The redesign that lifted follow-up bookings 18%The account you grew 3× in a year
- 02System designProduct designSales caseJob description
A real-time payments pipelineMedication reminders for chronic-care patientsPitch a transport system to a logistics director
- 03BehavioralBehavioralBehavioralCompany
“Own the outcome”, one of their values“Ask the patient first”, one of their values“Do what you said”, one of their values
- 04MotivationMotivationMotivationCompany
Why Orbit Pay, and why nowWhy Fernway Health, and why nowWhy Kestrel Freight, and why now
Scenarios
The questions you dread most.
Behavioral
Tell me about a time you disagreed with a colleague.
Motivation & fit
Why do you want to join us?
Leading a team
Someone missed target two quarters running. What do you do?
Foreign language
Walk me through a hard decision.
Pressure follow-up
If that number is wrong, does your conclusion still hold?
Modes
A full mock, or one skill at a time.
Mock interview
A full round, from intro to wrap-up.
FriendlyStrictGuidingExpert
Focused drills
One skill, with follow-up after follow-up.
GeneralTechnicalProductManagement
Report
Know what to practice next, every time.
Each score shows where the standard came from and the words it’s based on.
Mock interview · Backend engineerSession 4
Summary
Solid on the project, thin on the trade-offs.
Technical decisions30%
3
Role standardBackend engineer
“We compared adding a cache and splitting the service. The cache was faster, but…” Never said why you chose the split.
Owns the outcome25%
2
Company materialsOrbit Pay, public values page
“After launch another team took the project over.” Didn’t say what you did about the result.
Collaboration20%
—
InferredFrom the job description
Not enough evidence. Not scored.
Scored against the same standards the questions came from. Company standards are our reading of public materials, not the company’s internal scorecard.
Next sessionExplain one technical decision
Practice thisMock interview · Product managerSession 4
Summary
Clear on the user problem, thin on causal evidence.
Data and causality30%
3
Role standardProduct manager
“Bookings went up 18% after the redesign.” Didn’t rule out the season or other causes.
Ask the patient first25%
2
Company materialsFernway Health, public values page
“My manager asked for it, so we built it.” Didn’t say how patients validated the need.
Cross-team influence20%
—
InferredFrom the job description
Not enough evidence. Not scored.
Scored against the same standards the questions came from. Company standards are our reading of public materials, not the company’s internal scorecard.
Next sessionShow how you know a change caused a result
Practice thisMock interview · Account executiveSession 4
Summary
Strong on the relationship, vague on how the deal was won.
Discovery30%
3
Role standardAccount executive
“First I took their ops director to dinner.” Didn’t say which needs you uncovered.
Do what you said25%
2
Company materialsKestrel Freight, public values page
“Delivery slipped, but it worked out.” Didn’t say what you promised the client or how you kept it.
Closing20%
—
InferredFrom the job description
Not enough evidence. Not scored.
Scored against the same standards the questions came from. Company standards are our reading of public materials, not the company’s internal scorecard.
Next sessionWalk through the step that won the deal
Practice thisProgress
Watch one skill get sharper.
Pick your weakest dimension and practice it again. Each session keeps the quote that earned the score.
Technical decisions · Backend engineer4 sessions, same standard
Example- #12/5
“So we split the service, and it worked well.”
A choice with no reason.
- #22/5
“Splitting was mainly for scalability.”
A reason, but no alternatives.
- #33/5
“A cache is faster, but consistency is hard to guarantee.”
Names the trade-off.
- #44/5
“Payments can’t tolerate stale cache, so we split it. It cost us two extra weeks.”
Choice, reason and cost.
Example data. Every session uses the same rubric, so scores compare directly.
Data and causality · Product manager4 sessions, same standard
Example- #12/5
“Bookings went up 18% after the redesign.”
A result, no attribution.
- #23/5
“We compared the two months before and after.”
A comparison, season not ruled out.
- #33/5
“The same months last year showed no such rise.”
Rules out one cause.
- #44/5
“A two-week split test: the test group was up 18%, the control was flat.”
An experiment with a control.
Example data. Every session uses the same rubric, so scores compare directly.
Discovery · Account executive4 sessions, same standard
Example- #12/5
“First I took their ops director to dinner.”
An action, no needs.
- #23/5
“They said peak-season capacity was short.”
One need uncovered.
- #34/5
“The peak gap was about 20%, and pricing had to clear finance.”
The need and the decision-maker.
- #44/5
“I confirmed the 20% gap and that finance owned the budget, then set up a one-lane trial.”
Need, decision chain and next step.
Example data. Every session uses the same rubric, so scores compare directly.
FAQ
Before you start
Do I need to upload a résumé?
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