Tamajung Ndumu Email & Phone Number

Las Vegas , Nevada , Us

- Conceived, built, and operated premier cloud-based platform utilizing microservices architecture- Recruited as key member of start-up management team that orchestrated the development of platform integrating inventory data across multiple businesses.- Managed product vision and directed all technology operations - Managed teams across Asia and USA to build IOS/Android mobile app in React-Native with corresponding Angular website- Led long-range planning of product development and software development processes- Configured microservices with Spring Security- Led implementation of Restful API following a test-driven development methodology using JUnit and Mockito- Followed the Java coding standards for scalability, reusability, and ease of maintenance- Generated Rest services templates using Swagger specifications- Extensively used Java 8 features such as Lamda expressions, Parallel operations on collections for effective sorting mechanisms- Designed AWS Cloud Formation templates to create custom sized VPC, subnets, and NAT to ensure successful deployment of Web applications and databases- Implemented Continuous Delivery (CD) framework to streamline releases using Docker and GitLab- Created Amazon EC2 instances in multiple environments for deployment and testing of web applications- Implemented complex search algorithm using Hibernate Criteria Queries and Lucene

Fairfax, Va, Us

- Led development of Identity Management system integrated with a Card Management system for issuing access cards- Integrated hardware systems such as Smart card readers, Access card printers, and fingerprint readers into web application- Implemented the reading and encoding of cryptographic content from PIV cards (V8) using FIPS-140-2 standard - Led Java platform upgrade and transformation of monolithic application into Microservices

Fulton, Maryland, Us

- Configured microservices with Spring Security- Led implementation of components following a test-driven development methodology using JUnit and Mockito- Followed the Java coding standards for scalability, reusability, and ease of maintenance- Generated Rest services templates using Swagger specifications- Implemented complex search algorithm using Hibernate Criteria Queries and Lucene- Developed the web interface and interaction using Angular Material components

- Led Software team in transforming platform into Microservices architecture using Spring Boot, Spring Cloud, and Netflix OSS components (Eureka, Zuul, Hystrix)- Worked closely with Architects for requirement analysis and designing engineering solutions for complex business problems.- Provided technical team leadership and training including project planning and resource coordination on long and short-term projects, resulting in years of on-time releases.- Performed Sprint Planning, Sprint Reviews, Sprint Retrospectives, and daily SCRUM meetings- Introduced software lifecycle processes where there were none, enabling more predictable deliverables and making it possible to scale productivity with team size.- Integrated security features (such as XSS, CSRF, XFS prevention) into web application conform with OWASP recommended standards- Led Developers in implementing a platform that performs real-time data tracking within a geo-fence, invoicing, trip and fee reconciliation

Bellevue, Washington, Us

Mclean, Virginia, Us

Mclean, Va, Us