Irenna Lumbuun is a Senior Software Engineer based in London with six years of experience building full-stack, cloud-native applications across finance and e-commerce domains. She has delivered scalable features and migrated legacy systems using React, Spring Boot, Flask/FastAPI, and serverless AWS services, with hands-on work in PostgreSQL, MongoDB, Firebase and DynamoDB. Her background includes production reliability and on-call incident response at Amazon and security-driven remediations and maintainability improvements at BlackRock, now applied to enterprise-grade systems at Bloomberg. Comfortable across Java, Python, C and front-end frameworks, she combines pragmatic engineering with an eye for UX during large migrations. A subtle strength is her cross-functional experience from campus event coordination to engineering internships, which helps her translate stakeholder needs into reliable, user-focused solutions.
6 years of coding experience
4 years of employment as a software developer
California Polytechnic State University, San Luis Obispo
Associate of Science - AS Computer Science, Associate of Science - AS Computer Science at Edmonds College
Contributions:8 pushes, 1 branch in 1 year 1 month
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Irenna Lumbuun - Senior Software Engineer at Bloomberg