Don Onwunumah

Don Onwunumah

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ABOUT ME
Senior web and Mobile Cloud Native Full Stack Developer
Senior web and Mobile Cloud Native Full Stack Developer

Senior technologist and solutions architect with extensive experience in designing and implementing AI-driven architectures and cloud-native solutions. Deep expertise in machine learning, large language models, and enterprise software integration. Proven track record of leading cross-functional teams and delivering innovative solutions across multiple industries. Research background in Machine Learning and AI using Kernel-Based Methods.

I offer tutoring services from bootcamp support to long-term mentoring and a complete educational experience. I've directed teaching programs and led classroom instruction in fullstack development, professional strategies.

I can help you learn to make apps with the features you want and explain exactly how they work. If you want to become a professional software engineer or entrepreneur and are eager to gain the necessary knowledge, I would be honored to help you improve your understanding, code, or career.

I can help you assemble and manage a team of developers or coach you through an individual project. I offer pair-programming, consulting, and architectural planning alongside direct management and training. I can help key contributors or entire teams deliver features and understand how their solutions work. I can guide decision makers through complicated technical challenges to confidently determine the best course of action.

London (+00:00)
Joined July 2019
EXPERTISE
10 years experience
I have worked extensively with AWS services and resources, and I am adept at creating, deploying, and managing infrastructure using CDK. ...
I have worked extensively with AWS services and resources, and I am adept at creating, deploying, and managing infrastructure using CDK. My knowledge spans various AWS services such as AWS Lambda, Amazon S3, Amazon API Gateway, and more. Built and deployed multiple API and mobile based applications using AWS Lambda and AWS Amplify (Was original beta tester since Amplify inception a few years ago) . Advanced Identity management (with OpenID and federated connectivity) with Cognito and IAM services.
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10 years experience
- Proficiency in TypeScript, JavaScript, and Node.js for backend development, ensuring code quality and maintainability. - I have worked ...
- Proficiency in TypeScript, JavaScript, and Node.js for backend development, ensuring code quality and maintainability. - I have worked extensively with AWS services and resources, and I am adept at creating, deploying, and managing infrastructure using CDK for typescript
JavaScript
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JavaScript
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12 years experience
10 years experience
10 years experience
Multiple Apps in the APP store
Multiple Apps in the APP store
macOS#ios #swift #objectivec #cocoaObjective-C
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macOS#ios #swift #objectivec #cocoaObjective-CiOS
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10 years experience
- Deployed multiple apps in the app store
- Deployed multiple apps in the app store

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SOCIAL PRESENCE
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EMPLOYMENTS
Cloud, Web and Software Architect and Lead
WIPO
2021-04-01-Present

I am responsible for designing and architecting new and legacy projects, unto the cloud. I lead a team of 8 engineers with a mixture o...

I am responsible for designing and architecting new and legacy projects, unto the cloud. I lead a team of 8 engineers with a mixture of front-end and back-end expertise.

- Architected and implemented AI-powered document processing solutions using machine learning models

- Led cross-functional teams in designing and implementing cloud-native architectures

- Developed enterprise-grade serverless solutions using AWS Lambda and EventBridge

- Established architectural patterns for scalable AI model deployment and integration

Java
SQL
Oracle
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Java
SQL
Oracle
PostgreSQL
Amazon S3
TypeScript
Spring Boot
JavaScript
DynamoDB
Oracle SQL
Solution Architecture
AI
AWS
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Full Stack and AWS Senior Engineer
Cancer Research UK (CRUK)
2022-01-01-2022-06-01

Full Stack and AWS Senior Engineer | VALKON (Cancer Research UK)

- Delivered critical software solutions in production environme...

Full Stack and AWS Senior Engineer | VALKON (Cancer Research UK)

- Delivered critical software solutions in production environment

- Managed API integrations and EventBridge implementations

- Conducted Oracle database automated migration

JavaScript
AWS DynamoDB
AWS Lambda
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JavaScript
AWS DynamoDB
AWS Lambda
Airflow
AWS Solutions Architect
MLflow
AI
Salesforce DevOps
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Full Stack Engineer
Full Stack Engineer at Forwood Safety (Rio Tinto)
2020-04-01-2021-04-01

Software Architecture and Solution Design for SAAS full stack offering

AWS Lambda, GraphQL and API Gateways

AI and ML Inte...

Software Architecture and Solution Design for SAAS full stack offering

AWS Lambda, GraphQL and API Gateways

AI and ML Integration (Apache Spark and ETL Pipeline for IOT Sensors)

AWS AppSync, Lambda and GraphQL (React and React-Native)

Terraform infrastructure code (AWS EKS and Serverless, SQS, SNS)

Re-architected a legacy RDS to lower cost DynamoDB based architecture

Container based JVM delivery

API
Docker
Python 3
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API
Docker
Python 3
React
React Native
Apigee
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PROJECTS
Syft Mobile App and Syft Force
2019
React
Kotlin
Swift
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React
Kotlin
Swift
React/react native with redux
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