Harrison Valentine Iyamu

Harrison Valentine Iyamu

Data Engineer
United Kingdom
English

نبذة عني

Senior AWS Cloud Data Engineer and Architect with over 8 years of experience designing, automating, and optimising large-scale data platforms. Specialist in AWS services (S3, Glue, Lambda, Redshift, RDS, Athena, Step Fun…

الخبرة

Senior AWS Data Engineer

Sephill, England
Jul 2024 - حتى الآن · 2 سنوات

Designed and implemented ETL/ELT pipelines using AWS Glue, Lambda, Step Functions, and S3.
Integrated structured and unstructured data into Redshift and RDS, enabling unified analytics.
Built CI/CD pipelines with Terraform and Jenkins, reducing deployment errors by 30%.
Conducted design reviews with architects and development leads, ensuring compliance with governance standards.
Partnered with data scientists to operationalise predictive models in Databricks using PySpark.
Delivered measurable outcomes: 40% faster queries, 20% cost reduction, 99.9% uptime.

Senior AWS Data Engineer

Sephill
Jul 2024 - حتى الآن · 2 سنوات

Designed and implemented ETL/ELT pipelines using AWS Glue, Lambda, Step Functions, and S3, Integrated structured/unstructured data into Redshift and RDS, enabling unified analytics, Built CI/CD pipelines with Terraform and Jenkins, reducing deployment errors by 30%, Conducted design reviews with architects and development leads, ensuring compliance with governance standards, Partnered with data scientists to operationalize predictive models in Databricks using PySpark, Delivered measurable outcomes: 40% faster queries, 20% cost reduction, 99.9% uptime

Program Analytics Engineer (Cloud)

Delta State Hospitals Management Board, Nigeria
Jan 2021 - Jan 2023 · 2 سنوات

Built ETL workflows integrating clinical and operational data using Python, SQL, and Spark.
Automated reporting pipelines, reducing manual effort by 50%.
Collaborated with stakeholders to define KPIs and improve reporting accuracy.
Applied governance and compliance standards, ensuring secure handling of sensitive data.

Program Analytics Engineer (Cloud)

Delta State Hospitals Management Board
Jan 2021 - Jan 2023 · 2 سنوات

Built ETL workflows integrating clinical and operational data using Python, SQL, and Spark, Automated reporting pipelines, reducing manual effort by 50%, Collaborated with stakeholders to define KPIs and improve reporting accuracy, Applied governance and compliance standards, ensuring secure handling of sensitive data

Data Engineer

Delta State Hospitals Management Board, Nigeria
Jan 2012 - Jan 2021 · 9 سنوات

Designed and maintained ETL workflows using SQL, Python, and Hadoop ecosystem tools (HDFS, Hive, Spark).
Migrated legacy systems to modern data platforms, achieving 99.9% uptime.
Automated reporting workflows, reducing turnaround time by 80%.
Partnered with IT and clinical teams to validate data quality and ensure operational alignment.

Data Engineer

Delta State Hospitals Management Board
Jan 2012 - Jan 2021 · 9 سنوات

Designed and maintained ETL workflows using SQL, Python, and Hadoop ecosystem tools (HDFS, Hive, Spark), Migrated legacy systems to modern data platforms, achieving 99.9% uptime, Automated reporting workflows, reducing turnaround time by 80%, Partnered with IT and clinical teams to validate data quality and ensure operational alignment

الشهادات

AWS Data Engineer Associate

Amazon Web Services · London, UK · 2025

المهارات

AWS Cloud Services: S3 Glue Lambda Redshift RDS Athena Step Functions Data Engineering & Processing: PySpark Spark Hive Kafka SQL; ETL/ELT pipeline design and optimization Pipeline Orchestration: Apache Airflow MWAA; scheduling monitoring and error handling Infrastructure as Code & DevOps: Terraform CloudFormation AWS CDK Jenkins GitLab CI/CD Bitbucket Programming & Scripting: Python SQL Bash; automation and distributed processing Data Modeling & Warehousing: Dimensional modeling schema design performance tuning Security & Governance: IAM encryption audit trails GDPR compliance AWS S3 AWS Glue AWS Lambda Amazon Redshift Amazon RDS Amazon Athena AWS Step Functions PySpark Spark Hive Kafka SQL ETL ELT Apache Airflow MWAA Terraform CloudFormation AWS CDK Jenkins GitLab CI/CD Bitbucket Python Bash Dimensional modelling Schema design Performance tuning IAM Encryption Audit trails GDPR Docker Kubernetes Power BI TypeScript CloudWatch Hadoop HDFS Databricks
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