Critical TechWorks Full Stack Java Developer interview questions
based on 2 ratings - Updated Jul 6, 2026
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How others got an interview
50%
Employee Referral
Employee Referral
50%
Applied online
Applied online
Interview search
2 interviews
Critical TechWorks interviews FAQs
Full Stack Java Developer applicants have rated the interview process at Critical TechWorks with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 67.7% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
I applied through an employee referral. I interviewed at Critical TechWorks
Interview
Call from HR then got a technical interview that lasted for more than a hour. Smooth and got response within two weeks. All very friendly simple and straight to the point
Interview questions [1]
Question 1
Questions about POO, Arrays, hash, sets, joins and stages of a pipeline and others
I applied online. The process took 2 months. I interviewed at Critical TechWorks (Portugal)
Interview
Uma conversa fluida com três pessoas da CTW onde começaram por fazer perguntas sobre mim. A seguir, passamos à parte técnica e teórica onde me fizeram perguntas sobre POO, base de dados e CI/CD.
Interview questions [2]
Question 1
Qual é a diferença entre uma classe Abstrata e uma Interface?