1. 项目工程师：
项目工程师，顾名思义，就是一个专业的人或工程师，负责管理工程和技术项目，并确保项目按计划和时间表完成。
2. 应用工程师：
顾名思义，应用工程师只是负责改进软件功能并能够规划和设计工具、引擎和功能设备的个人或员工。
项目工程师和应用工程师的区别：
| Project Engineer | Application Engineer |
|---|---|
| It mainly focuses on managing engineering and technical projects. | It mainly focuses on creating new software architecture. |
| Skills required for project engineer includes good communication skills, ability to explain design ideas and plans, good organizational skills, etc. | Skills required for application engineer includes developing strong quantitative skills, development experience, ability to troubleshoot problems, interpersonal skills, etc. |
| Their responsibilities includes preparing cost estimates, design and conduct tests, monitor project progress, maintain product and company reputation, etc. | Their responsibilities includes develop and maintain documents for designs and application, analyze and meet customer requirements, troubleshoot problems that are being identified, etc. |
| Factors affecting project engineer performance includes no technical understanding, poor documentation skills, lack of design skills, etc. | Factors affecting application engineer performance includes poor managerial skills, lack of technical knowledge, poor coordination with team members, etc. |
| Its process include project planning, maintaining, execution, testing and commissioning. | Its process include managing, designing, developing or creating, and implementing both programs and applications. |
| Its main objective is to manage planning and processes of project and make sure it gets completed on time. | Its main objective is to design as well as improve software quality and performance. |
| Its benefit includes increase safety, reduce time spent on working, identify and solve problems, control and maintain performance, etc. | Its benefit includes risk assessment, provide updates, provide technical support, provide support to engineering software, etc. |
| Project engineer tasks are more difficult than Application Engineer tasks. | Application Engineer tasks are less difficult than Project Engineer tasks. |
| It cannot handle role of Application Engineer. | Its role is limited and therefore cannot handle role of project engineer. |