Manual tester interview questions test whether a candidate can design and execute a structured testing process that surfaces defects before they reach production, not just whether they can click through a UI and file a bug report.

That is the clean definition. The sharper one is this: in FinTech and HealthTech environments, a manual tester is not a human script-runner who validates that buttons work. 

They are the engineer who designs exploratory test scenarios that automated suites cannot replicate, validates that a PSD2-compliant payment flow behaves correctly under every real-world edge case, catches the GDPR data exposure that a unit test would never surface, and documents test evidence with the precision that FCA and HIPAA auditors require. A weak manual tester ships compliance failures to production. The right one catches the defect that would have triggered a regulatory investigation.

At Code & Pepper, our QA and testing engineers are selected from the top 1.6% of 3,000+ annual candidates and onboard into client teams in under 4 weeks. This is the standard we hire to, and the standard this guide is built around.

Quality assurance engineer interview questions test whether a candidate can design and execute a testing strategy that catches defects before production, not just whether they can write a test case against a spec.

That is the clean definition.

The sharper one is this: in FinTech and HealthTech environments, a QA engineer is not the person who clicks through a UI and files bug reports. They are the engineer who designs the automated test architecture that prevents a payment processing defect from reaching 50,000 users, validates that a HIPAA-compliant data pipeline handles PII correctly under every edge case, and catches the FCA compliance failure that a code review missed. A weak QA hire ships bugs to production. The right one prevents the kind of incident that triggers a regulatory investigation.

Whether you are a CTO screening QA candidates for a regulated-industry product team or an engineer preparing to move into a senior QA role, this guide covers the quality assurance engineer interview questions that surface in rigorous technical hiring processes in 2026, what strong answers look like, what red flags sound like, and what interviewers are genuinely evaluating underneath each question.

At Code & Pepper, our QA engineers are selected from the top 1.6% of 3,000+ annual candidates and onboard into client teams in under 4 weeks. This is the standard we hire to, and the standard this guide is built around.

Mobile app developer interview questions test whether a candidate can build secure, scalable, and performant applications for iOS and Android, not just whether they know the syntax of a framework.

That is the clean definition.

The sharper one is this: companies hiring mobile app developers in 2026, particularly in FinTech and HealthTech, are not looking for candidates who can list lifecycle methods or recite React Native documentation. They are looking for engineers who can build compliant payment flows, protect sensitive patient data, integrate Open Banking APIs into a mobile experience, and ship features that hold up under real production load. A mobile developer who cannot reason about secure local storage, certificate pinning, or GDPR-compliant data handling is not ready for a regulated-industry product team.

Whether you are a CTO screening candidates for a FinTech mobile platform or a developer preparing to land a senior role, this guide covers the mobile app developer interview questions that actually surface in technical hiring processes in 2026, what strong answers look like, and what interviewers are genuinely evaluating underneath each question.

At Code & Pepper, our mobile engineers are selected from the top 1.6% of 3,000+ annual candidates and embed into client teams in under 4 weeks. This is the standard we hire to, and the standard this guide is built around.

AI developer interview questions test whether a candidate can build AI systems that work in production, turning models, APIs, data pipelines, and product logic into software that solves a real business problem reliably, at scale, and without degrading silently under real-world conditions.

That is the clean definition.

The sharper one is this: companies hiring AI developers in 2026 are not looking for candidates who can explain transformer architecture on a whiteboard. They are looking for engineers who can integrate AI into existing product systems, make defensible decisions about model selection and data handling, and ship AI features that comply with GDPR, FCA, and HIPAA in regulated FinTech and HealthTech environments where a mishandled data pipeline is not a UX issue, it is a regulatory incident.

Whether you are a CTO building an AI-powered claims processing platform or a FinTech founder hiring your first ML engineer, this guide covers the questions that actually surface in AI developer interviews, what strong answers look like, and what interviewers are genuinely evaluating underneath each question.

Game tester interview questions test whether a candidate can find bugs systematically, document them clearly, and communicate findings to a development team under real deadline pressure, not just whether they enjoy playing games.

That is the clean definition.

The sharper one is this: companies hiring game testers in 2026 are not looking for candidates who can list testing theory. They are looking for QA specialists who can reproduce edge cases reliably, write actionable bug reports, and maintain detail-oriented discipline through repetitive test cycles that stretch across weeks of a release crunch.

Whether you are preparing to ace a game tester interview or building a QA hiring process for your development studio, this guide covers the questions that actually surface in technical screening, what strong answers look like, and what interviewers are genuinely evaluating underneath the question.

Hiring a UI designer for a regulated FinTech or HealthTech product requires a different interview process than hiring for a generic consumer app.

Code & Pepper builds secure, compliant digital banking and telemedicine platforms for growth-stage startups, and that experience shows a consistent pattern: founders and CTOs who skip design-specific technical screening end up with interfaces that pass a portfolio review but fail a compliance audit.

This guide gives you the exact questions to ask, organized by interview stage, with the FinTech and HealthTech context that generic interview guides leave out.

Hiring an automation architect, or preparing to become one, in a FinTech or HealthTech engineering team is not like hiring a generic QA engineer. The role shapes the entire testing infrastructure of a regulated software product, and a wrong hire or a weak interview process costs months of re-architecture work.

At Code & Pepper, our top 1.6% engineers, selected from 3,000+ annual candidates, design and maintain test automation frameworks for FinTech and HealthTech platforms that must meet FCA, PSD2, GDPR, and HIPAA compliance from day one.

This guide covers the automation architect interview questions that surface in technical hiring processes, what strong answers look like, and how to evaluate depth beyond rehearsed responses.

UX designer interview questions test whether a candidate can turn user research, business constraints, and product goals into interfaces that people actually use, not just visually appealing mockups that fall apart under real-world conditions.

That is the clean definition.

The sharper one is this: companies hiring UX designers in 2026 are not looking for candidates who can name design principles. They are looking for designers who can navigate ambiguity, defend decisions with evidence, collaborate across engineering and product, and ship work that measurably improves user outcomes.

In FinTech and HealthTech environments, where Code & Pepper’s engineering and design teams operate, UX designers must also design for compliance contexts, regulatory-sensitive data flows, and users who make high-stakes financial or medical decisions. That makes the interview bar significantly higher.

This guide covers the UX designer interview questions that appear most frequently in hiring processes in 2026, what strong answers look like, and how to demonstrate the depth interviewers are actually evaluating.

Machine learning engineer interview questions test whether a candidate can build ML systems that work in production, not just explain algorithms on a whiteboard.

That is the clean definition.

The sharper one is this: companies hiring ML engineers in 2026 are not looking for textbook recall. They are looking for engineers who can turn models, data pipelines, and product requirements into working software that scales, handles edge cases, and does not degrade silently under real-world load. 

In FinTech and HealthTech environments, where Code & Pepper’s engineering teams operate, ML engineers must also navigate strict data privacy requirements under GDPR and HIPAA, making interview preparation even more demanding.

This guide covers the machine learning engineer interview questions that appear most frequently in technical hiring processes, what strong answers look like, and how to demonstrate the depth interviewers are actually evaluating.

Explore the impact of Big Data, AI, and machine learning on personalized treatment in healthcare. In the interview, we discuss medical innovations and their implications, including the integration of wearable technologies, data privacy concerns, and psychological barriers such as technophobia and robotophobia. Konrad Maj highlights the benefits and challenges of remote therapy applications and envisions a future where preventive medicine and information processing centers enhance healthcare efficiency. He also talked about the need for trust and user-friendly designs in medical innovations.

Konrad Maj – Head of the HumanTech Center for Social and Technological Innovation Faculty of Psychology in SWPS University based in Warsaw

Welcome to another episode of “Code & Chatter” discussion panel. Today, we’ll discuss recruiting a senior software engineer. We’ll tell you how this process looks at Code & Pepper. For this conversation, I’ve invited three people who regularly participate in such recruitments.

Hello, this is Ewa Dusza with another episode of the “Code & Chatter” series. Today, we will talk about artificial intelligence for the first time. To discuss AI tools for developers, I’ve invited Krzysztof Wawer, Piotr Moszkowicz, Łukasz Duda, and Konrad Nowacki. Welcome!

What are the main challenges of leading a dispersed team? For this FinTech Me This Podcast episode, we chat with Jezen Thomas, co-founder and CTO at Supercede, whose engineering team works from all over the world. Jezen outlines how different communication styles and forms can work in a remote team and how to create a company culture that truly suits engineers’ needs. Give our conversation a listen to find out more!

Would you let AI invest in cryptocurrencies for you? For this Ask Me AnyFin session, we meet again with Akshaya Bhargava, the founder of Bridgeweave, to talk about his new AI-powered product that makes it easier for investors to enter the crypto space. Read the interview to find out more about regulations in crypto, the importance of retail investment, and the challenges for new crypto investment products.

In this FinTech Me This episode Daniel Parming, Head of Engineering at Kantox, tells us how he approaches developing engineering skills in his team. We talk about setting goals for individual developers, spotting soft skills, and why you have to provide engineers with complex challenges. Check out the full episode!

What if consumers started sharing instead of buying? In the new episode of Ask Me AnyFin, we’re taking a closer look at the state of the social sharing economy with Tom West, the founder and CEO of the rental platform RentMy. We also discuss building a community around the idea of renting your items and what makes some sharing economy models a success with users.

In the first episode of the FinTech Me This: Engineering Management Podcast, we talk with Adrian Mizzi, the co-founder and CTO of Weavr, about the importance of recruiting the right talent to your engineering team. We also cover a practical rundown of the recruitment process and the challenges of building a payments business. Check out the podcast below and read the interview to find out more!

One of the driving forces of innovation is industry convergence which is all about establishing relations that have not been possible before. This is enabled by the ever-developing new technologies such as cloud engineering, microservices architecture and others. In our latest Ask Me AnyFin conversation we are joined by Paul Thomas Walsh, COO at Elinvar, a WealthTech Platform as a Service, which uses technology to connect various FinTech providers on one platform, making it possible to create new exciting partnerships and business models.

Traditionally, we put trust in banks to look after our financial data. In the past, they were the only ones with access to this sensitive information which they could use to their advantage.  This has changed with the PSD2, a directive issued by the EU in 2015 according to which incumbent banks were obliged to recognise customers as the rightful owners of their financial data and to provide them with the opportunity to decide who they want to share this information with. Open banking became a reality.

Arrival of a new technology always stirs up a lot of emotions. It is either met with wild enthusiasm or fierce criticism. This is because of its disruptive potential which both creates new opportunities as well as threatens the status quo. This love and hate dynamic also applies to blockchain. Initially associated with Bitcoin it was criticised for high-energy consumption. Blockchain technology, however, also has its merits such as: transparency, independence and security. That’s why it started to be used in a variety of sectors and for a range of purposes such as secure sharing of medical data or supply chain and logistics monitoring. Our new Ask Me AnyFin guest, Toni Caradonna makes use of blockchain to support nature conservation communities. How does he do it? Find out in the Ask Me AnyFin interview. 

There are many sources of inspiration in business. One of them is technology which both feeds on new ideas and breeds them. This is, particularly, true for financial technology which relies heavily on communication technology. These two: money and the Internet create the most powerful media duo in the world. No wonder there are so many volunteers eager to come up with a new product that will thrive on this combination. Martins Sulte has succeeded in doing this. His company, Mintos, is a virtual marketplace which offers a new investment asset. We invited him to our Ask Me AnyFin conversation to learn more about his offering and the details of his entrepreneurial journey. 

What’s the future of wealth management? And what good can come out from 41 years of experience in financial services? Read or watch the next episode of our inspiring series of interviews, Ask Me AnyFin, where we talk to extraordinary insiders of the FinTech industry. This time we met with Akshaya Bhargava, the founder of Bridgeweave — a company on a mission to make investing more accessible.

What is the real meaning of sustainability? How to differentiate between a genuinely sustainable practice and greenwashing? And how does sustainability relate to economic growth? Check out the next episode of Ask Me AnyFin, where we talk to Richard Peers, the founder of ResponsibleRisk — an innovative consultancy that drives improvements in sustainable finance. Sit, relax and watch the video or read the transcript below to discover inspiring insights from the green FinTech world.

How can cryptocurrency change the world? Is blockchain really a problem looking for a solution? In this episode of Ask Me AnyFin, we talk to Zion Schum, the cryptocurrency enthusiast and the CEO and co-founder of Leutheria.com. Check out the video or read the transcript below to find inspiring insights about cryptocurrency and blockchain specifics, its merits and challenges, and the vision of the future of the crypto world.

One of the main missions of software developers’ work is to deeply understand the product they are working on and the real problem that the product is supposed to solve. In the new episode of Ask Me AnyFin, we talk to Koray Koska, who tells us the story of how he turned from a software developer to a startup co-founder and how the idea of VitraCash – a smart debit card – was born. What is the truth behind the “magic” smart tools like VitraCash? And what are the biggest challenges of entering the FinTech market? Check out our interview for all the answers!