Pops, here are more:
Paul did not see himself as a sinner after Jesus saved him. Paul knew the saved were holy people
Romans 1:7 To all in Rome who are loved by God and called to be his holy people: Grace and peace to you from God our Father and from the Lord Jesus Christ.
1 Corinthians 1:2 To the church of God in Corinth, to those sanctified in Christ Jesus and called to be his holy people, together with all those everywhere who call on the name of our Lord Jesus Christ—their Lord and ours:
2 Corinthians 1:1 Paul, an apostle of Christ Jesus by the will of God, and Timothy our brother, To the church of God in Corinth, together with all his holy people throughout Achaia:
Ephesians 1:1 Paul, an apostle of Christ Jesus by the will of God, To God’s holy people in Ephesus, the faithful in Christ Jesus:
Ephesians 1:18 I pray that the eyes of your heart may be enlightened in order that you may know the hope to which he has called you, the riches of his glorious inheritance in his holy people,
Ephesians 3:18 may have power, together with all the Lord’s holy people, to grasp how wide and long and high and deep is the love of Christ,
...and many more.
I cannot find scripture where Paul calls us the sinners in Christ.