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whycliff bowora

@whycliffbowora

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Full Stack Developer at Bank of America who delivered a global payments platform handling 50K+ transactions per second.

United Kingdom

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At Bank of America, I led a team delivering financial systems and developed Python-backed services and React dashboards for a global payments orchestration platform. It handled 50K+ transactions per second with sub-100ms latency.

At ZSS PVT LTD, I developed banking applications and services for Barclays, Standard Chartered, Nedbank, and Standard Bank, including an internet banking application supporting 500K+ active users. Earlier, I engineered distributed systems and APIs at Amazon and Google.

Experience

Work history, roles, and key accomplishments

Software Development Team Lead

Bank of America

Feb 2026 - Jun 2026 (4 months)

Led a cross-functional team of 8 engineers delivering enterprise-grade financial systems. Architected microservices and implemented CI/CD pipelines, reducing deployment time by 60%.

React Python Go Java Kubernetes Amazon EKS Jenkins GitHub Actions PCI DSS Microservices CI CD

Senior Full Stack Engineer

ZSS PVT LTD

Apr 2022 - Jan 2026 (3 years 9 months)

Led development of high-performance financial applications for major banks. Built React frontends, Python microservices, and Java/Spring Boot services, and delivered PCI-DSS compliant platforms.

React Python Java Spring Boot NodeJS Express NestJS Angular Kafka Redis PostgreSQL AWS AWS ECS Amazon EKS Lambda API Gateway ISO 20022 PCI DSS

Software Engineer

Amazon

Sep 2019 - Apr 2022 (2 years 7 months)

Engineered globally distributed microservices for high-traffic e-commerce systems. Built high-availability APIs and real-time data pipelines using Kafka, Flink, and Spark.

Microservices Kafka Apache Flink Spark Jenkins GitHub Actions AWS CodePipeline ELK Cloudwatch Prometheus Grafana

Freelance Full Stack Developer

Paradigm Solutions

Feb 2019 - Sep 2019 (7 months)

Built microservices with Java, Spring Boot, and Kafka. Implemented Docker/Kubernetes and CI/CD pipelines, and delivered mobile applications using Kotlin and React Native.

Java Spring Boot Spring Cloud Kafka Docker Kubernetes Jenkins Gitlab CI Kotlin React Native ELK Stack

Software Engineer

Google

Aug 2013 - Feb 2019 (5 years 6 months)

Developed and maintained large-scale distributed systems serving billions of users. Engineered backend services using Java, C++, and Python, and optimized database queries improving performance by 40%.