Fintech: Banking, Digital Wallet & ACH Payments APIs
2021-2024
• Developed 30+ APIs across 18+ releases enabling banking, digital wallet, and ACH payment flows.
• Automated complex job scheduling, replacing manual OCE tasks, reduced average job execution time by ~50%.
• Authored the Python SDK for payment gateway integrations and external developers.
• Led the complete SDK team across Java, .NET, Python, JavaScript, and PHP.
• Implemented audit logging and a permissions module for compliance and secure admin access.
Impact
- Higher reliability, faster operations, improved compliance
Stack
DjangoPostgreSQLRedisAWSPlaidSilaAWS LambdaAWS SNSAWS SQSSESPythonREST APIsAWS EC2AWS S3AWS SESUnit TestingPytestIntegration TestingGitJiraScrumVS CodePostmanSlackMicroservicesEvent-driven