project leader, team leader
Application developer. Senior level supervisory position. Supervises the work done by mid-level and junior developers. Duties may include personnel management and project planning and scheduling. Sometimes acts as analyst or programmer.

project manager, programming manager
Application developer. First level management. Manages personnel and does project planning and scheduling for a specific application or function area. Other duties could be to conduct performance appraisals, determine salaries and increases, hire and fire staff, and be accountable for the system budget.

programming manager, systems manager, operations manager
Middle level management, usually a department manager. IT departments in large companies usually have three departments, Programming (development and maintenance of applications systems), Systems (development and maintenance of the IT environment), and Operations (the support group for all IT assets, both hardware and software). In mid-size companies the Systems and Operations departments are often combined under the Systems title. Small companies often have a single IT department which does everything. These positions are often Vice Presidents.