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      Búsquedas relacionadas: Evaluaciones de Giffgaff | Empleos en Giffgaff | Sueldos en Giffgaff | Prestaciones en Giffgaff
      Entrevistas en GiffgaffEntrevistas para el cargo de Software Developer en GiffgaffEntrevista en Giffgaff


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      Entrevista para Software Developer

      24 ago 2023
      Candidato de entrevista anónimo
      Londres, Inglaterra
      Sin ofertas
      Experiencia negativa
      Entrevista difícil

      Solicitud

      Me postulé a través de otra fuente. El proceso tomó 6 semanas. Acudí a una entrevista en Giffgaff (Londres, Inglaterra) en ago 2023

      Entrevista

      1st stage: quick call with People Engangement Manager 2nd stage: technical interview The 1st stage was just an informal quick phone call to gather info about background, experience etc. The 2nd stage was a 90 mins technical interview with 1 hour of theory questions and half an hour left for a pair programming exercise, but I terminated the interview right before entering the coding exercise per se. At the end of the theory questions we were ready to move on to the technical challange part, but I could see this was not going terribly but also not swimmingly, so I interrupted the interview. The guy was a bit surprised I chose to interrupt the process but didn't seem to mind ("fair enough"). Just before saying goodbye I still wanted to raise the point that there must be a discrepancy between such nit-picking theory-heavy interviews and the actual job in practice, since somehow I always perform very well at work, in companies that do hire me after making me do something like a home project but seem to struggle to come across well in academic-style interviews. Just a nonchalant comment I felt like making about a process I've just been part of, but the interviewer decided to respond with something like "you need to know how the language works at least", which was a bit patronizing towards someone like me who, I've made sure to let it be known, is somehow relied upon for a great deal of code contributions and delivers at least at the same level as the senior developers (my managers' words, not mine). I don't know how that'd be possible without "at least knowing the language". Unless I made a mistake and was actually interviewing for a CS college professor position.

      Preguntas de entrevista [1]

      Pregunta 1

      - why did Java introduce wrapper classes and what are they - can you pass primitives to collections - difference between instantiating new Integer(1) and Integer.valueOf(1) - is the string pool limited - what is the contract between equals() and hashCode() - what happens when hashCode() is overridden - is concatenating strings with "+" good practice - what is StringBuilder - what is StringBuffer - is StringBuilder thread safe - what happens when trying to append strings with StringBuilder through multiple threads - how can concurrency problems be solved - how to make an object immutable - what is a singleton and are they scoped - ever dealt with aop
      Responder pregunta
      4

      Otras evaluaciones sobre las entrevistas para el cargo de Software Developer en Giffgaff

      Entrevista para Software Engineer

      25 mar 2026
      Empleado anónimo
      Londres, Inglaterra
      Oferta aceptada
      Experiencia positiva
      Entrevista promedio

      Solicitud

      Me postulé a través de una recomendación de un empleado. Acudí a una entrevista en Giffgaff (Londres, Inglaterra) en mar 2026

      Entrevista

      Interviewed in March 2026 - process took around 2 weeks. Was broken up into 4 sections. 1. Quick call with internal recruiter (fairly standard HR screening) 2. Pair Programming Test 3. System Design Interview 4. Behavioural/Cultural interview. Overall, one of the most positive experiences I've had while interviewing, feedback is taken seriously and is given at every step of the process.

      Preguntas de entrevista [3]

      Pregunta 1

      Pairing test: questions around Java/Spring + Coding Test to be done using TDD.
      Responder pregunta

      Pregunta 2

      System Design interview: How would you design this system (based on given requirements)
      Responder pregunta

      Pregunta 3

      Cultural Interview: Past Experiences at other companies, what attracted you to GiffGaff.
      Responder pregunta

      Entrevista para Software Developer

      31 may 2022
      Empleado anónimo
      Uxbridge, England
      Oferta aceptada
      Experiencia positiva
      Entrevista promedio

      Solicitud

      Me postulé a través de un reclutador. El proceso tomó 1 día. Acudí a una entrevista en Giffgaff (Uxbridge, England) en may 2021

      Entrevista

      Live coding of a web api - java / springboot to create a palindrome checker. Full TDD using Mockito, but basically the usual spring rest api. This was basically done remotely using my IDE.

      Preguntas de entrevista [1]

      Pregunta 1

      Questions based around REST and microservices.
      1 respuesta
      1