Try to automate what you can, efficiently. Code conversion, tests, etc.
Keep an eye out for opportunities to simplify things.
Make sure to have buffer built into your time/effort estimations.
Ask lots of questions.
Find other folks who interact with different parts of the system and ask if some of their time can be allocated to the conversion.
If you can onboard other folks, find out if there's anything you can do to automate any of their work.
Try to automate what you can, efficiently. Code conversion, tests, etc.
Keep an eye out for opportunities to simplify things.
Make sure to have buffer built into your time/effort estimations.
Ask lots of questions.
Find other folks who interact with different parts of the system and ask if some of their time can be allocated to the conversion.
If you can onboard other folks, find out if there's anything you can do to automate any of their work.