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Jayakrishna Miriyam
Mid-level Full-Stack Developer specializing in cloud-native FinTech web applications
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About
Backend engineer with Citi Bank experience building and operating a Python/Flask Personal Finance Manager platform at 1M+ transactions/month. Strong in secure API design, database performance tuning (PostgreSQL/Azure SQL), and production reliability (92%+ test coverage, load testing, monitoring). Also integrated an NLP expense-tagging microservice with caching, background workers, autoscaling, and multi-tenant isolation via RLS and tenant-aware JWT.
Experience
Education
Key Strengths
- Built secure Python/Flask backend for financial app handling 1M+ records/month
- Designed secure REST APIs with OAuth2/JWT, HTTPS, and AES-256 encryption
- High test rigor: unit/integration testing with >92% coverage
- Load/performance testing at scale using Azure Load Testing plus Locust/JMeter
- Database performance tuning (indexing, stored procedures, partitioning) with ~40% query improvement
- Production-grade observability using Azure Monitor/AWS RDS Performance Insights, query logging, and EXPLAIN ANALYZE
- Integrated NLP expense categorization as a separate microservice with caching and batch/background processing
- Implemented multi-tenant data isolation using RLS and tenant-aware JWT claims
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