Experience

• 

  Wakanow.com ltd

  Jul 2015 - Jul 2016

  Software test engineer

  ● Collaborated with Agile/Scrum teams (Project Managers, Developers, UI/UX designers) to produce quality applications for users and clients, contributing to a 20% increase in project delivery speed.● Automated testing of web and mobile applications using tools such as Selenium, Junit, Maven, Appium, and WebDriver, achieving a 95% test coverage and reducing manual testing time by 50%. Conducted integration testing across systems (payment gateways, CRM, and databases).● Managed project status and issue resolution using project management tools like Trello, Jira, and Test Foundation Server, improving issue resolution time by 30%.● Coordinated user acceptance tests (UATs) and produced detailed test reports, leading to a 15% increase in stakeholder satisfaction. Provided end-user application support for in-house application users across different operating systems (Windows, Linux), resolving 90% of support tickets within SLA. Show less

• 

  Utest

  Dec 2015 - Dec 2019

  Test team lead/ web optimization specialist

  ● Conducted functional and exploratory testing for web and mobile applications in domains like payments, gaming, entertainment, sports, social media, travel, and retail, covering over 150 different applications.● Designed and executed A/B testing strategies for web and app platforms, utilizing tools such as Optimizely, A/B Tasty, Adobe Analytics, and Google Analytics, leading to a 15% improvement in user engagement and conversion rates.● Gold-rated tester with over 300 products tested (web and mobile) across 1600 test cycles. Executed over 1000 test cases with 110 bugs reported, with 80% classified as very or exceptionally valuable, contributing to a 25% reduction in post-release defects.● Performed non-functional testing including A/B testing, usability, compatibility, performance, localization, and security testing for web applications, improving overall application reliability by 20%.● Led test teams for multiple clients, managing over 200 testers across multiple cycles, triaging bugs and test cases, and collaborating globally with many remote teams, resulting in a 30% increase in testing efficiency.● Collected evidence such as screenshots, videos, browser console logs, Android and Charles/Fiddler logs, and Ookla speed reports, enhancing bug reproducibility and resolution speed by 40%. Show less

• 

  Expleo group (formerly sqs)

  Apr 2017 - Feb 2020

  Data quality analyst

  ● Developed and built automation processes for ETL data mining, improving efficiency of data extraction and analysis by 30% to align with business product strategy● Worked on public sector projects in a large, complex organization to meet project deadlines consistently, while collaborating effectively as a team player to achieve collective goals● Automated manual processes for SAP and ERP data extraction, and conducted data quality validation checks which reduced data entry errors by 20% over 3 months●Adopted SQL databases to clean, transform, and join data and optimize queries, resulting in a 40% increase in data processing speed and a 20% enhancement in data quality● Developed and applied data standards and dimensional data models, leading to a 35% improvement in data organization● Conducted Web services and application program interface (API) testing using tools (SoapUI, Postman) and also validated API performance using Apache Jmeter Show less

• 

  Digioutsource

  Mar 2020 - Feb 2024

  ● Conducted exploratory data analysis (EDA) using Python and SQL, and created 10+ dynamic PowerBI visualizations on dashboards, enabling stakeholders to make data-driven decisions● Applied data engineering skills for data extraction, transformation, and load (ETL) processes, designed dimensional data models, optimized SQL queries using advanced SQL and indexing, resulting in a 30% reduction in query execution time and improving data delivery and processing efficiency● Applied statistical analysis techniques to analyze time series data and utilized TensorFlow and Keras to optimize deep learning algorithms for time series forecasting, achieving a 15% increase in forecast accuracy.● Produced insights into customer behavior by analyzing GA data, conducted 5 A/B tests and experimentation, and used clustering algorithms to identify 4 distinct customer segments, improving targeted marketing of promotional offers and resulting in a 10% increase in conversion rates.● Developed and deployed 3 machine learning models and Python Flask applications. Built automated GIT pipelines for daily data extractions, providing insights into unique search trends and reducing API response time lags by 35%.● Built fraud prediction models using machine learning algorithms to solve both binary and multiclass classification problems and incorporated anomaly detection techniques in feature engineering to improve model precision & recall metrics above 90% Show less

  • Data Scientist

    Mar 2021 - Feb 2024

  • Data Quality Analyst

    Mar 2020 - Mar 2021
• 

  M2m tech

  Mar 2024 - Jul 2024

  Data scientist

  ● Conducted data analysis and implemented statistical techniques on a range of datasets, providing insights into customer behavior that improved marketing reach by 40% within 2 months.● Fine-tuned image generation and classification models using LoRA and Hugging Face for accessibility projects, resulting in a 30% increase in model accuracy and accessibility features.● Generated new datasets for analytical proof of concepts for the public sector, developed machine learning solutions, and produced interactive visualizations, leading to a 50% increase in stakeholder engagement and understanding.● Developed end-to-end machine learning solutions in Azure Machine Learning Studio for classification and regression AI initiatives, achieving a 90% accuracy rate on average. Show less