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Idah Felix

@idahfelix

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Senior Software Engineer at PwC who cut onboarding processing time by 45% with Node.js and TypeScript services.

Poland

Message

At PwC, I architected and owned Node.js and TypeScript microservices for a client onboarding pipeline, reducing end-to-end processing time by 45%. I also delivered a React dashboard and backend APIs on Azure App Service.

At HSBC, I designed payment reconciliation services that processed more than 120,000 records per day. I also integrated Kafka and Redis into a fraud-detection pipeline, reducing average lookup latency from 210ms to 85ms.

At SoftServe, I built data pipelines that moved event data into Snowflake and BigQuery, and helped increase event processing from 50,000 to 1.2 million events per day. Earlier at Scalefocus, I developed web application features, REST APIs, and React frontends for client projects.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

PwC

Sep 2023 - Present (3 years 1 month)

Architected and owned a Node.js/TypeScript microservice set for PwC's client onboarding pipeline, reducing end-to-end processing time by 45% via parallel workers and queue tuning. Led a team of engineers to deliver a React dashboard and backend APIs on Azure App Service, defining contracts with OpenAPI and onboarding two downstream consumers.

NodeJS TypeScript React Azure App Service Azure Functions GitHub Actions Prometheus Grafana OpenAPI Snowflake

Backend Developer

HSBC

Jan 2020 - Dec 2023 (3 years 11 months)

Designed and implemented high-throughput payment reconciliation services in Node.js that processed 120k+ records/day and exposed REST and gRPC endpoints. Built server-side components in TypeScript and deployed them to AWS ECS and Lambda, improving horizontal scalability during peak batch windows.

NodeJS TypeScript AWS AWS ECS Lambda PostgreSQL Kafka Redis Jenkins gRPC

Senior Data Engineer

SoftServe

Jan 2019 - Dec 2023 (4 years 11 months)

Built ETL pipelines and streaming jobs in Python and Node.js to move event data into Snowflake and BigQuery for analytics consumption. Designed data models in PostgreSQL and MongoDB for customer telemetry, supporting analytics queries over 1B+ rows with partitioning and indices.

Python NodeJS Kafka Snowflake BigQuery Terraform Grafana AWS GCP PostgreSQL

Software Engineer

Scalefocus

Jan 2015 - Dec 2019 (4 years 11 months)

Developed web application features in JavaScript and PHP for client projects, building REST APIs and React frontends consumed by enterprise customers. Implemented MySQL and PostgreSQL schemas and wrote query optimizations that improved page load times for heavy dashboards by 60%.