Articles by Musa Yohanes on software development, data analysis, finance automation, and career change.https://muyo.dev/en-ushttps://muyo.dev/blog/why-sftp-still-rules-the-finance-world/https://muyo.dev/blog/why-sftp-still-rules-the-finance-world/Why legacy SFTP connections remain the backbone of bulk data exchange in B2B finance, and what building treasury software taught me about respecting boring tools.Sat, 20 Dec 2025 00:00:00 GMTdata-engineeringproduct-managementsoftware-engineeringfintechfinance-and-bankinghttps://muyo.dev/blog/from-accountant-to-software-engineer/https://muyo.dev/blog/from-accountant-to-software-engineer/How I went from Big Four accounting to a remote software engineering role, and the faith that carried me through two years of rejections.Sat, 04 Oct 2025 00:00:00 GMTsoftware-engineeringcareer-changepersonal-growthremote-workfaithhttps://muyo.dev/blog/navigating-oauth2-authentication-in-vba/https://muyo.dev/blog/navigating-oauth2-authentication-in-vba/A practical walkthrough of implementing OAuth2 authentication in VBA to connect Excel with the Xero API.Wed, 12 Jun 2024 00:00:00 GMToauth2apiexcelxerovbahttps://muyo.dev/blog/how-to-scrape-and-analyze-instagram-engagements-data/https://muyo.dev/blog/how-to-scrape-and-analyze-instagram-engagements-data/A walkthrough of scraping public Instagram engagement data with the Instagrapi library in Python and analyzing it to compare influencer performance.Wed, 15 Nov 2023 00:00:00 GMTpythoninstagramsocial-media-analyticsweb-scrapinginferential-statisticshttps://muyo.dev/blog/diving-into-customer-data-analysis-using-python/https://muyo.dev/blog/diving-into-customer-data-analysis-using-python/An exploratory analysis of a bike-sharing company dataset in Python, using visualizations to uncover rider behavior and recommend marketing strategies.Tue, 31 Oct 2023 00:00:00 GMTgoogle-data-analyticsdata-visualizationexploratory-data-analysispythondata-analysishttps://muyo.dev/blog/data-cleaning-with-sql/https://muyo.dev/blog/data-cleaning-with-sql/A step by step SQL walkthrough for cleaning a bike trip dataset, covering deduplication, standardization, and validation of real world data.Fri, 27 Oct 2023 00:00:00 GMTgoogle-data-analyticsdata-cleaningsqldata-validation