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Growth · Software Engineer Interview Guide

How to Pass the Archestra Software Engineer Interview in 2026

The Archestra DNA (TL;DR)

The Archestra interview loop, influenced by founders like Joey Orlando Co and Matvey Kukuy, seeks individuals who can articulate the 'why' behind their technical and strategic choices. They assess for clear articulation of trade-offs and the ability to drive initiatives from conception to delivery, reflecting a startup ethos.

The Archestra Interview Loop

Your onsite loop will typically consist of 5 rounds.

  1. 1

    Round 1

    Recruiter Screen
    Motivation, role fit, logistics.
  2. 2

    Round 2

    Coding Screen
    LeetCode-medium algorithmic problems under time pressure.
  3. 3

    Round 3

    System Design
    Distributed systems, trade-offs at scale, architecture under constraints.
  4. 4

    Round 4

    Onsite Coding
    LeetCode-hard, debugging, code clarity, edge cases.
  5. 5

    Round 5

    Behavioral / Leadership
    Past evidence of ownership, influence, resolving conflict.

The Danger Zone: Top Reasons Candidates Fail

Based on our database of Archestra interview outcomes, avoid these common traps:

  • Handling time units (days vs. weeks) inconsistently or inaccurately.
  • Not handling edge cases like new users or users with sparse event data correctly.
  • Failing to connect Archestra's specific value proposition (predictable growth, data-driven insights) to their own career goals.
  • Focusing only on the 'login' event type and ignoring other potential indicators of active users.

Test Yourself: Real Archestra Questions

Three real prompts pulled from our database.

Type · collaboration

Describe a situation where you had a technical disagreement with a colleague or team lead regarding an architectural decision or implementation detail. How did you approach the discussion, and what was the outcome?

Type · conflict-resolution

Tell me about a time you had a significant disagreement with a colleague or manager regarding a technical approach or strategy. How did you handle it, and what was the outcome?

Type · ownership

Tell me about a time you encountered a significant technical challenge or bug in a production system that was impacting users. What steps did you take to diagnose, resolve, and prevent recurrence?

+ many more questions, signals, and worked examples

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Archestra Interview Question Bank

A sample from our database, grouped by round. Sign up to see the full set.

9 of 15 questions shown

1

Recruiter Screen

1
  1. 1

    Type · motivation

    What specifically about Archestra's mission to help businesses achieve predictable growth through data-driven insights resonates with you, and how does that align with your career aspirations?
2

Coding Screen

3
  1. 2

    Type · algorithmic

    Archestra's platform analyzes user engagement data to predict churn. Given a stream of user events (e.g., 'login', 'feature_X_used', 'support_ticket_opened') with timestamps, design an algorithm to calculate a rolling 7-day churn probability for each user. Assume a user is considered 'churned' if they have no events in the last 7 days. You can define 'probability' as simply a binary indicator (churned/not churned) for this problem.
  2. 3

    Type · algorithmic

    Imagine Archestra wants to segment users based on their feature adoption velocity. Given a list of users, each with a list of features they've adopted and the timestamp of adoption, write a function to calculate the 'adoption velocity' for each user. Define velocity as the number of unique features adopted per week, averaged over their active period on the platform. Consider users who have adopted at least 3 features.
  3. + 1 more questions in this round (sign up to unlock)
3

System Design

3
  1. 4

    Type · architecture

    Archestra needs to build a real-time notification system to alert customers when key business metrics cross predefined thresholds (e.g., 'customer acquisition cost exceeds $50'). Design the system architecture, considering scalability to millions of users and potentially thousands of metric thresholds per user.
  2. 5

    Type · architecture

    Archestra's core product involves ingesting large volumes of customer data (e.g., sales figures, marketing campaign results) for analysis. Design a scalable data ingestion pipeline that can handle varying data formats (CSV, JSON, API payloads) and velocities, ensuring data quality and reliability.
  3. + 1 more questions in this round (sign up to unlock)
4

Onsite Coding

4
  1. 6

    Type · algorithmic

    Archestra's analytics engine needs to calculate the 'customer lifetime value' (CLV) for different customer segments. Given a list of customer transactions, where each transaction has a `customer_id`, `timestamp`, and `amount`, and a list of customer segments (defined by `customer_id` lists), write a function to calculate the average CLV for each segment. CLV for a customer is the sum of all their transaction amounts.
  2. 7

    Type · algorithmic

    Implement a function `get_top_k_features(user_activity, k)` that takes a dictionary `user_activity` where keys are user IDs and values are lists of feature names they've used, and an integer `k`. The function should return a list of the top `k` most frequently used features across all users, sorted by frequency in descending order. If there are ties, the feature names can be in any order.
  3. + 2 more questions in this round (sign up to unlock)
5

Behavioral / Leadership

4
  1. 8

    Type · conflict-resolution

    Tell me about a time you had a significant disagreement with a colleague or manager regarding a technical approach or strategy. How did you handle it, and what was the outcome?
  2. 9

    Type · ownership

    Tell me about a time you encountered a significant technical challenge or bug in a production system that was impacting users. What steps did you take to diagnose, resolve, and prevent recurrence?
  3. + 2 more questions in this round (sign up to unlock)

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Interview tracks at Archestra

How Archestra's DNA translates across functions. Pick your role.

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