Being an experienced Web Developer and Designer, I am confident in resolving your language problem with Loco Translate Plugin in the WordPress backend. I've been working extensively with WordPress for over 8 years now and have a deep understanding of its core functionality and plugins like Loco Translate. My familiarity with CSS, HTML, PHP, and JavaScript enables me to identify and resolve issues efficiently, ensuring a smooth running backend.
Having worked as an IT Manager for 2 years, I understand the importance of timely solutions and how they can impact the overall operations. Deactivating the plugin might have mitigated some issues, but there are still database remnants that need to be addressed for a complete fix. With my troubleshooting skills and experience in similar situations, I will make sure all the old entries are cleaned up, so you no longer face any language inconsistency in the backend.
In conclusion, my deep-seated knowledge of WordPress combined with my ability to navigate complex situations like this makes me the ideal candidate for this job. I assure you a quick and effective resolution to your current problem while also ensuring that future language-related errors don't plague your backend system. Let's resolve this issue together!