← Blend Interview Insights

Blend·Software Engineer·Hiring Manager Screen·Intermediate

Intermediate
May 2026

Summary

Interviewed at Blend, came away with one question that stuck with me more than I expected.

Questions Asked (1)

Q1

How do you approach forecasting projects more accurately?

Agile / Sprint ManagementRoadmap Prioritization
Author's notes

I fumbled this a bit.

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AI HintsAI Generated

Suggested Approach

Start by acknowledging that forecasting is inherently uncertain, then describe a structured, data-driven approach that combines historical data, team input, and continuous refinement. Emphasize how you break down work, account for unknowns, and use feedback loops to improve accuracy over time.

Pro tip: Highlight that accurate forecasting is less about perfect estimates and more about reducing variance through small, well-understood work items and regular calibration. Mention that you track forecast accuracy metrics to learn from misses.

1. Break Down Work into Small, Similar-Sized Items

Decompose features into small, independent tasks that are similar in size and complexity. This reduces estimation error and makes forecasts more reliable.

2. Use Historical Data and Team Velocity

Leverage past sprint data, cycle time, and throughput to inform forecasts. Avoid relying solely on gut feel; use empirical evidence from your team's performance.

3. Incorporate Uncertainty with Ranges

Provide forecasts as ranges (e.g., best case, likely, worst case) rather than single-point estimates. This communicates uncertainty and sets realistic expectations.

4. Collaborate with the Team for Estimates

Use techniques like planning poker or affinity estimation to gather diverse perspectives. Ensure the whole team is involved to improve accuracy and buy-in.

5. Review and Calibrate Regularly

After each sprint or project, compare actuals to forecasts, identify biases, and adjust your process. Continuously refine estimation techniques based on lessons learned.

Key Points to Mention

  • Use of historical velocity and cycle time data
  • Breaking down work into small, similar-sized tasks
  • Providing probabilistic forecasts (ranges) instead of single points
  • Team-based estimation techniques like planning poker
  • Accounting for unknowns and dependencies
  • Regular retrospectives to calibrate and improve forecasting accuracy

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.