Calastone’s process is in 3 stages: 1st stage: Technical interview with Head of Data and another developer. The questions were mostly around my CV. Some technical questions were asked as well such as: - Indexes - Query optimisation - Backup strategies - Azure Questions around resources 2nd stage: 45 minute test which involves 7 SQL questions followed by 45 minute interview with Head of Data and the Data Director. Questions are mostly around your experience and also scenario based questions. - SQL joins - sub-queries and CTEs - Window Functions - filtering - having clause 3rd stage: HR interview It’s a culture fit interview. Questions included: - motivations for leaving your role - strengths and weaknesses - company values - personality questions