Conscientious
Part of speech: adjective
Definition: Thorough, careful, or vigilant; implies a desire to do a task well.
Example sentence: It sounds outright bland, but people here in Indiana want conscientious public servants who have deep convictions but are prepared to work across the aisle when possible.
Painstaking
Part of speech: adjective
Definition: Carefully attentive to details; diligent in performing a process or procedure.
Part of speech: noun
Definition: The application of careful and attentive effort.
Example sentence: The most painstaking phase comes when the manuscript is set in 'type' for the first time and the first proofs of the book are printed. These initial copies are called first-pass proofs or galleys.