Charles Degraft-Johnson

Rising Codementor

US$7.00

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ABOUT ME

Experienced Tech leader 30+ yrs :- Data (Eng+Sci+AI) + Software Eng

Hello, My name is Charles Degraft-Johnson,
I have 30+ years of IT experience in :
Software Eng
Data Eng/Sci. ,
Cloud Comp,
Tech+ Org Leadership,
Eng Mgmt.

Skills
• Software Engineering (Full-Stack),Node.js, React, CI/CD, IAC, TDD, BDD, Microservices.
Languages (Python, JS, C#, SQL, TypeScript, CSS, HTML, BASH)

• Data Engineering / Science including ETL, Data warehousing/modelling, AI/ML (including LLM, NLP, Generative AI)

• Cloud Computing(GCP/AWS/Azure).

• Technical & people management/leadership; emphasizing innovation and collaboration.

Key Achievements:
• Amplified the engineering team's performance and velocity using data-driven strategies. (Hybrid & Remote Teams)

• Managed and led teams of Data/Software Engineers, collaborating with cross-functional teams and managing managers.

• Architected and led the implementation of data analytics platforms at Fika and PPL, emphasizing end-to-end ETL processes and AI/ML integration.

• Built an MVP SaaS product that utilizes AI and computer vision to diagnose foot conditions from image and video input.

Entrepreneurial Leadership Achievements:
• At 'The Reflexology Space '(Co-founder), I led 50+ employees, catered to 15K active clients, and delivered up to 1000 therapy sessions weekly using data-driven strategies & AI-driven automation.

• At 'One Day Courses' (Co-founder), I leveraged my expertise in sales, marketing, and negotiation to secure esteemed clients such as CANDI NHS Trust, Homegroup UK, Conran Hotels, and the Dorchester Group.

London (+00:00)

Joined August 2023

EXPERTISE

Data Engineering

12 years experience

- On-prem to Cloud Migration - Data Ingestion (JSON, Excel, SQL, PDF, CSV, Parquet, PDF, unstructured sources) - ETL, ELT - Data Qua...

- On-prem to Cloud Migration - Data Ingestion (JSON, Excel, SQL, PDF, CSV, Parquet, PDF, unstructured sources) - ETL, ELT - Data Quality & governance frameworks - SQL - Pipeline orchestration (Airflow, shell & bash scripting)

Software Development

28 years experience

- Front & Back End Dev (Python, C#, ASP.NET HTML, CSS, React, Flask, Javascript, node.js) - Software Design/Architecture - Algori...

- Front & Back End Dev (Python, C#, ASP.NET HTML, CSS, React, Flask, Javascript, node.js) - Software Design/Architecture - Algorithms & Data Structures - Lifecycle testing frameworks - DevOps (CI/CD) Cloudformation, AWS CDI, Jenkins, Bitbucket & GitHub actions - Code templating , documentation, reuse, standards & design patterns)

8 years experience

- AI Libraries (Pytorch, Keras Tensorflow, Spacy, Pycaret, Scikit) - ML Model Engineering - Supervised & Unsupervised Learning Algorit...

- AI Libraries (Pytorch, Keras Tensorflow, Spacy, Pycaret, Scikit) - ML Model Engineering - Supervised & Unsupervised Learning Algorithms - Deep Learning - MLOPS - ComputerVision - Speech Audio Recognition, NLP, Machine Translation, LLM, ChatGpt

Data analysis

22 years experience

- Data modelling (star schema, ER, Normalised schema) - SQL (MYSQL, TRANSACT - SQL. BIgquery SQL - Reporting (Tableau, Power BI, Looke...

- Data modelling (star schema, ER, Normalised schema) - SQL (MYSQL, TRANSACT - SQL. BIgquery SQL - Reporting (Tableau, Power BI, Looker) - Data visualisation - Python - Scrapy - NumPy - Bokeh - Plotly - SciPy - Pandas - Matplotlib - Seaborn

Google Cloud Platform

6 years experience

Kubernetes Compute Engine App Engine Cloud Storage Cloud SQL BigQuery IAM Stackdriver Vertex-AI Cloud-Build Cloud-run Cloud-functions

REVIEWS FROM CLIENTS

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