Other roles at Solaris:Product Manager Software Engineer Sales Customer Success Solutions Architect

Growth · Solutions Architect Interview Guide

Interview language: English

How to Pass the Solaris Solutions Architect Interview in 2026

The Solaris DNA (TL;DR)

The bar-raiser round at Solaris heavily evaluates a candidate's ability to navigate complex regulatory landscapes, particularly concerning the Service Platform. They seek individuals who can articulate how their work upholds Compliance and Data Protection Engineering standards while scaling financial services.

The Solaris Interview Loop

Your onsite loop will typically consist of 5 rounds.

1
Round 1
Recruiter Screen
Motivation, technical depth, customer-facing experience, fit.
2
Round 2
Technical Discovery
Diagnosing customer technical context, integration requirements, scoping a fit.
3
Round 3
Architecture Demo
Presenting a reference architecture live, defending design choices, handling depth-of-knowledge probes.
4
Round 4
Sales Pitch / Co-Sell
Working with an AE on a mock customer call, anchoring value, navigating objections.
5
Round 5
Behavioral / Leadership
Past evidence of ownership, influence, resolving conflict.

The Danger Zone: Top Reasons Candidates Fail

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

Describing a situation where they already had significant expertise.
Not addressing data consistency challenges across distributed services.
Not considering the regulatory implications of KYC/AML processes.
Not specifying the types of data sources that would feed into the fraud detection engine.

Test Yourself: Real Solaris Questions

Three real prompts pulled from our database.

Type · architecture

We need to design a system for real-time fraud detection for card transactions using Solaris's platform. Walk us through a high-level architecture, explaining the components involved, data flow, and how you would ensure low latency and high accuracy.

Type · behavioral

Tell me about a time you had to manage competing priorities or multiple demanding projects simultaneously. How did you decide what to focus on, and how did you ensure all critical tasks were completed effectively?

Type · discovery

A potential Solaris client, a rapidly growing neobank, wants to integrate our card issuing and payment processing services. They currently use a legacy system and have limited in-house technical resources. How would you approach diagnosing their current technical landscape, identifying integration points, and scoping a viable solution?

+ many more questions, signals, and worked examples

Unlock the Solaris rubric, free

Solaris Interview Question Bank

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

9 of 17 questions shown

Recruiter Screen

1
Type · screening
Solaris provides BaaS (Banking-as-a-Service) solutions. Can you describe your experience with API integrations, particularly in the fintech space, and how you've approached challenges related to security, scalability, and data consistency in such integrations?

Technical Discovery

2
Type · discovery
A potential Solaris client, a rapidly growing neobank, wants to integrate our card issuing and payment processing services. They currently use a legacy system and have limited in-house technical resources. How would you approach diagnosing their current technical landscape, identifying integration points, and scoping a viable solution?
3
Type · discovery
Imagine a client wants to leverage Solaris's account management APIs to build a new digital banking experience. What key questions would you ask to understand their specific requirements around account opening, KYC/AML processes, and transaction history retrieval?
+ 1 more questions in this round (sign up to unlock)

Architecture Demo

4
Type · architecture
Present a reference architecture for integrating Solaris's payment gateway with a mid-sized e-commerce platform. Focus on security, idempotency, and error handling. Be prepared to defend your design choices.
5
Type · architecture
We need to design a system for real-time fraud detection for card transactions using Solaris's platform. Walk us through a high-level architecture, explaining the components involved, data flow, and how you would ensure low latency and high accuracy.
+ 2 more questions in this round (sign up to unlock)

Sales Pitch / Co-Sell

6
Type · sales
You are on a mock sales call with an AE to a potential client, a small business looking to offer financing options to their customers. The client is concerned about the complexity and cost of implementing a new financing solution. How would you, as the Solutions Architect, anchor the value of Solaris's embedded finance offering and address their concerns?
7
Type · sales
During a sales pitch for Solaris's BaaS platform to a startup, the client's CTO expresses skepticism about the security and reliability of using a third-party provider for core banking functions. How would you respond to build confidence and demonstrate Solaris's commitment to security and uptime?
+ 1 more questions in this round (sign up to unlock)

Behavioral / Leadership

8
Type · Conflict Resolution
Tell me about a time you had a significant disagreement with a colleague or manager. How did you handle it, and what was the outcome?
9
Type · behavioral
Tell me about a time you had to explain a complex technical concept to a non-technical audience (e.g., a client, a business stakeholder). What was the concept, who was the audience, and how did you ensure they understood?
+ 4 more questions in this round (sign up to unlock)

Unlock all 17 Solaris questions, free

No credit card. Every question with its framework, the grading signals interviewers score against, and a worked answer for each.

Unlock all 17 Solaris questions

Interview tracks at Solaris

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

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Practice Solaris interviews end-to-end

Solaris Mock Interview

Run a live mock interview with our AI interviewer using Solaris-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.

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STAR Stories for Solaris Behavioral Rounds

Build a Story Bank of your past wins, mapped to the leadership signals Solaris interviewers grade on. Reuse them across every behavioral round.

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Solaris Interview Prep Hub

The frameworks behind every Solaris 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 Solaris 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 Solaris interview questions shows.

A strong answer shows: Describes a streaming data architecture (e.g., Kafka, Kinesis).; Identifies key data points for fraud analysis.; Explains how to achieve low latency (e.g., in-memory databases, optimized algorithms).; Discusses strategies for model training and deployment..

A strong answer shows: Describes a clear method for prioritizing tasks (e.g., impact, urgency, dependencies).; Demonstrates proactive communication with stakeholders about priorities and potential risks.; Shows evidence of effective planning and execution.; Highlights strategies for managing workload and stress..

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