They have arranged an excellent technical team of the interviewers & they had mostly concentrated on the basic technical skills and team player things. They did very ethical personal questions stare to family and life style. Interviewers were technically sound and their approach were excellent in all aspect.
structure elucidation by mass spectrometry and basic approach!! LC-MS, HPLC, UV, FTIR basics related to pharmaceuticals. Team handling, work on pressurised situations, ethical and need of job.
The hiring manager asked how one might test for impurities.
The hiring manager expressed concern about my past experience as a manager, wondering if I could also still work at the bench.
Tell me a out a time when you had to take into consideration multiple conflicting perspectives before making a sound business decision.
The hiring manager asked what type of GC columns are most commonly used.
genotoxic impurities identification and estimation? how to identify an unknown impurity in pg levels. Impurity profiling by LC-MS.
The hiring manager asked me to give a general description of chromtography.
Why do you want to work for Codexis?
What’s you biggest challenge you ever had? What’s your biggest achievement you had? What’s your weakness and strongest? Do you have experience with method development? Do you have experience with diluent not match with mobile phase? Which case you use direct injection or headspace? Do you have experience when there are three deadlines in the same day? How do you handle it? What’s you long term goal? Do you have any conflict with QA? What brings you to here? What parameter you did for method validation? What cause your baseline fluctuation? Which parameter you changed improves selectivity? Have you tried changing pore shell column? Have you tried water/ACN as mobile phase? How do you determine your peak purity, do you have PDA in your lab?
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