Type · algorithms
Walk me through how you would implement a memory-bounded cache eviction algorithm (such as LFU with frequency decay) optimized for rapidly changing tenant profile lookups.
How to Pass the Positive Software Engineer Interview in 2026
Growth · Software Engineer Interview Guide
Sign up to see ATSHeadquartered in FranceInterview language: English
The Positive DNA (TL;DR)
European Sovereignty Trust Center standards dictate how Positive tests candidates on compliance rules and email deliverability architecture. Interviewers grade whether candidates can articulate explicit trade-offs in GDPR-compliant Emailing and Customer Engagement workflows.
The Positive Interview Loop
Your onsite loop will typically consist of 5 rounds.
- 1
Round 1
Recruiter ScreenMotivation, role fit, logistics. - 2
Round 2
Coding ScreenLeetCode-medium algorithmic problems under time pressure. - 3
Round 3
System DesignDistributed systems, trade-offs at scale, architecture under constraints. - 4
Round 4
Onsite CodingLeetCode-hard problems, reasoning about defects, code clarity, edge cases. - 5
Round 5
Behavioral / LeadershipPast evidence of ownership, influence, resolving conflict.
The Danger Zone: Top Reasons Candidates Fail
Based on our database of Positive interview outcomes, avoid these common traps:
- Focusing purely on consumer-facing UI features without acknowledging enterprise B2B requirements like multi-tenancy and data compliance.
- Recommending an uncompressed hash map without calculating memory consumption for tens of millions of string keys.
- Using a monolithic relational database for raw event ingestion, creating severe write-lock bottlenecks under heavy load.
- Ignoring thread safety or concurrent state modification risks during timestamp cleanup.
Test Yourself: Real Positive Questions
Three real prompts pulled from our database.
Type · role-fit
Why are you interested in building core engineering infrastructure for a B2B SaaS growth platform, and how does your technical background prepare you for high-throughput messaging and multi-tenant architectures?
Type · distributed-algorithms
How would you implement a distributed token bucket rate limiting algorithm across multiple application nodes without creating a single central database bottleneck?
+ many more questions, signals, and worked examples
Sign up to unlock the full Positive grading rubric
Positive Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
7 of 15 questions shown
1
Recruiter Screen
1- 1
Type · role-fit
Why are you interested in building core engineering infrastructure for a B2B SaaS growth platform, and how does your technical background prepare you for high-throughput messaging and multi-tenant architectures?
2
Coding Screen
4- 2
Type · algorithms
How would you design an algorithm to detect cyclic dependencies in an automated customer engagement workflow trigger pipeline where rules point to one another? - 3
Type · data-structures
Walk me through how you would implement an in-memory sliding window rate limiter that tracks per-tenant outgoing payload rates over a rolling 60-second window. - + 2 more questions in this round (sign up to unlock)
3
System Design
5- 4
Type · distributed-systems
How would you design a distributed, high-throughput webhook delivery service for a B2B SaaS platform that guarantees at-least-once delivery, exponential backoff retries, and strict tenant isolation? - 5
Type · architecture
Design a multi-tenant event ingestion pipeline capable of accepting 50,000 user interaction events per second, ensuring tenant data separation and real-time metric aggregation. - + 3 more questions in this round (sign up to unlock)
4
Onsite Coding
5- 6
Type · concurrency
Walk me through how you would diagnose and resolve a silent deadlock condition in a concurrent message worker pool processing transactional queue messages. - 7
Type · edge-cases
How would you design a reliable idempotency mechanism for API endpoints handling billing subscriptions to prevent duplicate charges under retry scenarios? - + 3 more questions in this round (sign up to unlock)
Unlock all 15 Positive questions, free
No credit card. Every question with its framework, the grading signals interviewers score against, and a worked answer for each.
Interview tracks at Positive
How Positive's DNA translates across functions. Pick your role.
Compare Positive with similar employers
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Practice Positive interviews end-to-end
Positive Mock Interview
Run a live mock interview with our AI interviewer using Positive-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.
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STAR Stories for Positive Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Positive interviewers grade on. Reuse them across every behavioral round.
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Positive Interview Prep Hub
The frameworks behind every Positive round: CIRCLES for product sense, hypothesis-driven debugging for analytical, STAR for behavioral. Learn each one in 10 minutes.
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Interview Frameworks
CIRCLES, STAR, AARRR, RICE, MECE. The exact frameworks that make Positive interviewers nod instead of frown. Step-by-step playbooks with the moves and the pitfalls.
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Sample answers
What a strong answer to these Positive interview questions shows.
Walk me through how you would implement a memory-bounded cache eviction algorithm (such as LFU with frequency decay) optimized for rapidly changing tenant profile lookups.
A strong answer shows: Capability to combine multiple core data structures to build specialized caching mechanisms.; Awareness of cache pollution and staleness issues..
Why are you interested in building core engineering infrastructure for a B2B SaaS growth platform, and how does your technical background prepare you for high-throughput messaging and multi-tenant architectures?
A strong answer shows: Clear alignment with B2B SaaS scalability and reliability constraints.; Articulate communication of past distributed systems experience..
Frequently asked questions
How long does the Positive interview process take?
Most candidates spend between 4 and 8 weeks from recruiter screen to offer. The onsite loop itself runs in a single day or is split across two half-days, with debrief and offer typically within 5 business days after.
How should I prepare specifically for Positive?
Focus on three things: (1) the company DNA shown above - what they actually grade for, (2) the rounds in your loop, especially the round most candidates underestimate, and (3) drilling on the question types in this guide using a structured framework like CIRCLES or STAR.
Does this apply to engineering or design roles at Positive?
The DNA stays the same - what changes is the round mix. SWE candidates face coding screens instead of Product Sense; designers face portfolio reviews and design exercises. The "what they value" and behavioral signals carry across all functions.
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