Fumihiro Tamada
Software Engineer
Cincinnati
Summary
Experienced Software Engineer with a strong background in developing scalable and distributed backend systems. Proficient in designing and implementing microservices and data infrastructure. Skilled in creating automated data pipelines and supporting various business initiatives through robust and efficient backend solutions.
Overview
4
4
years of professional experience
4
4
years of post-secondary education
Work History
Software Engineer
Current
8 2021 - Current
- Created various microservices to support core banking features using Java and Scala.
- Developed a dispute intake and processing system and implemented backend processes to persist disputes, send user communications, and interact with third-party vendor APIs. Built an internal system to process dispute result files from third-party vendors.
- Designed a microservice for a user points system, allowing points redemption through card transactions.
- Developed an ACH processing microservice to facilitate money transfers between users' bank accounts.
- Transitioned to the Data Infrastructure Team to enhance decision-making capabilities for other services.
- Created services to precompute transaction statistics, card activations, and other user activities in real-time
- Led feature engineering, model development, and deployment using Vertex AI for ML infrastructure.
- Developed services to compute user risk scores for accessing sensitive features.
- Automated pipelines for feature engineering and model development processes.
- Supported marketing initiatives by predicting user conversion likelihood and integrating with marketing channels.
- Utilized Google Cloud Platform services including Pub/Sub, Kubernetes Engine, and Dataflow for infrastructure needs.
- Managed data using MongoDB, PostgreSQL, and Spanner.
Software Development Engineer I
Amazon Web Services
06.2020 - 08.2021
- Scaled an ETL to create json pricing artifacts for AWS marketing website pricing tables from pricing csv files allowing the ETL to be able to handle a 900% larger pricing file and reduce the execution time by 29%
- Added safeguard in the ETL to avoid inaccurate pricing file submissions and pricing artifact creation
- Designed and constructed an endpoint to access a report of consolidated errors caught in the ETL for PMs to diagnose and correct the pricing files which reduced on-call manual process by 50%
- Designed and implemented an API with token authentication and authorization for PMs to trigger the ETL manually from error report UI
Education
Bachelor of Science - Computer Science
Trinity College
Hartford 09.2016 - 05.2020
Skills
- java
- scala
- distributed system
- mongoDB
- PostgresSQL
- Google Cloud Platform (Pubsub, Dataflow, Kubernete Engine, Secrete Manager, Google Cloud Storage, BigQuery)
- Docker
- Kubernetes
Timeline
Software Development Engineer I
Amazon Web Services
06.2020 - 08.2021
Bachelor of Science - Computer Science
Trinity College
09.2016 - 05.2020
Software Engineer
Current
8 2021 - Current
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