Karthik R.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Lead Software/Data developer with over 9 years' experience in Mainframes and I have worked with US based clients in Healthcare, Banking and trade finance sectors such as BCBS Mn, Cigna and the US Bank. Whether you’re trying to win work, list your services or create a cobol program – I can help! I’m extensively experienced in JCL, COBOL, VSAM, DB2. Also, I recently completed my master's in data science in United Kingdom and working as Data Engineer for a reputed organization in UK. I am well versed in SQL, Stored procedures and Python to extract data from rest API's and utilize them for Data Analytics, Visualization and Machine Learning. Secondary Skillset: Python, SQL, Stored procedures, Data Engineering, ETL, Data Science.