The basic career profiles for officers in the infantry and the artillery have some common areas and some corps specific training and activities.
As a junior infantry officer you will learn to command a platoon of infantry, either mounted in the LAV III armoured personnel carrier in a mechanized battalion or a dismounted platoon in a light battalion. You will be responsible for the training, administration and leadership & command in training and operations of your platoon. Activities and responsibilities may include running and/or participating in ranges for any or all of the platoons‘ weapons, ranging from static ranges to fire and movement exercises. You may get the opportunity to participate in other types of training such as with helicopters. A senior infantry Lieutenant or junior Captain may also be trained for command of a support platoon (now limited to recce and anti-armour).
As a junior armour officer you will learn to command a troops of four tanks. You would have similar responsibilities for leadership, training and adminstration as your infantry counterpart.
In garrison, the officer will often find him(her)self spending much of their time in the office dealing with personnel and training administration. It‘s the dirty work that someone‘s got to do.
Both the infantry and artillery junior officer will have administrative responsibilities covering such topics as planning and delivery of training, personnel administration of your soldiers, directed professional study programs, and other assigned duties, which can range from being on the Officer‘s Mess Committee to completing investigations ordered by then CO. You may find yourself counselling troops on careers, administration, pay and financial problems, or disciplinary issues (and being their assisting officer when they are charged). You will be responsible for completing periodic assessments on all of your personnel.
After your first tour in a unit, which can last 3-5 years, you will be posted (normally as a Captain, a rank for which you are eligible after three years of commissioned service). Potential postings can range from instructional duties, to headquarters, base staff, or Regular Force Cadre (full-time staff with a Reserve unit). The so-called idealized profile would see an officer returning to unit duty every other posting, though this is not guaranteed.
Both are general service officers, and therefore will have the same pay structure.
As for claiming one to be more exciting than the other, that depends too much on personality and personal interests.