London, UK

Ali Tahir

Quantexa Data Engineer leveraging cloud and data technologies

Personal Logo

About

Education

BSc Computer Science - University of Surrey

First Class with Honours

Highlights

  • Built production webapps (Django/Rails/React)
  • Automated workflows; reduced manual ops overhead
  • Love sports such as badminton, cricket and football

Certifications

  • Quantexa Certified Data Engineer
  • AWS Certified Cloud Practitioner

Skills

Languages

Python Java/Scala JavaScript Type C/C++/C# HTML/CSS

Frontend

React Angular Tailwind Bootstrap

Backend

Ruby on Rails Django Flask Node.js

Tools

Quantexa Git Linux Docker CI/CD AWS

Experience

Data Engineer

Accenture 2025 – Present
  • Designed and optimised Spark-based ETL pipelines to ingest, cleanse, and model high volume datasets.
  • Built and tuned entity resolution rules, features, and thresholds to improve record matching accuracy.
  • Modelled relationships across multi-source data to generate trusted golden profiles for downstream use.
  • Improved data quality via deduplication, feature engineering, and match-performance tuning.
  • Contributed to CI/CD workflows using GitHub Actions to automate builds and tests for reliable delivery.
  • Contributed to CI/CD workflows using GitHub Actions to automate builds and tests for reliable delivery.
  • Collaborated with engineers and analysts to translate requirements into scalable data products.

Team Delivery Manager

Wilson James 2023 – 2025
  • Responsible for over 30 agents who directly reported to myself.
  • Worked as a Project Manager overlooking the special assistance service provided at Heathrow Airport.
  • Oversaw end-to-end project delivery and cross-team coordination.
  • Improved operational efficiency through process streamlining.
  • First point of contact for all teams at Heathrow such as Airlines, Border Force, Ground Staff, HAL and Security
  • Involved in data collection and analysis of PRM related figures such as daily loads across the terminal as well as predicted ad hoc requests.
  • Managed a dedciated data collection project directly reporting to British Airways and Head of Terminals
  • Proposed improvements in the service to further enhance passenger experience

IT Support Engineer

FootfallCam 2021 – 2022
  • Deployed and supported people-counting systems for clients.
  • Developed internal tools to speed up troubleshooting.

Peer Assisted Learning Support

University of Surrey 2020 – 2022
  • Mentored students in CS fundamentals.
  • Facilitated study sessions and exam prep.

Projects

More on GitHub
SBC Advisory

SBC Advisory

Marketing site for a consulting business.

HTML Bootstrap
Crime-eye

Crime-eye

Web app for crime statistics and mapping.

Ruby on Rails JavaScript Heroku
Simply Sweet

Simply Sweet By Asifa

Bakery webapp with ordering flow.

Python Django
Personal site source

Personal Portfolio

Source for personal site.

HTML Tailwind CSS JavaScript
OS in Java

Operating System

University project — OS in Java.

Java Operating System
Cafe Manager

Cafe Manager

Fully-fledged café ordering system built in Python.

Python Flask Web App

Fun

Badminton

Badminton

Cricket

Cricket

Football

Football

Travelling

Travelling

Contact

If you have an interesting opportunity in London, drop me a message. Please include company name and a JD if you'd like a reply.

Message me