给出一份简历，使用合适的动词形式将每个项目描述提交给 HR 部门，以突出每个项目中涉及的技能和成就。
在某家 IT 公司担任软件工程师，负责开发和维护业务应用程序。在这个角色中，我成功地领导了一个小型开发团队，提高了我们的部门的质量标准和工作效率。
- Led a small-scale development team, improving departmental quality standards and work efficiency.
- Developed and maintained business applications as a software engineer at an IT company. 
- Successfully implemented new features and resolved issues for our clients' software systems. 
- Collaborated with other departments to ensure smooth integration of new applications and updates.
- Streamlined development processes, resulting in decreased project completion time and increased productivity.