Data Engineer

Dunn&Co. is one of the Southeast US’s top creative, branding, and advertising agencies, known for award-winning marketing solutions across both digital and traditional media.

• Developed reporting structures and dashboards to monitor paid and owned media campaign performance.

• Integrated Google Analytics 4 (GA4), Google Tag Manager, and Databox/Datorama dashboards for real-time insights.

• Created proactive performance reports analyzing client websites and app engagement, enabling data-driven marketing adjustments.

• Worked with developers to implement GTM plans and enhance event tracking accuracy.

• Offered recommendations based on raw campaign data to improve ROI on media spending.

TMAC is a UK-based SaaS company revolutionizing customer experience by helping contact centers analyze customer interactions and coach agents effectively.

• Deployed TMAC’s analytics suite for enterprise and mid-market clients, ensuring smooth integration with client systems.

• Built and optimized ETL pipelines to process structured and unstructured data (audio, text).

• Supported engineering teams by diagnosing Python-based issues and writing automated tests.

• Implemented AWS services (Lambda, S3, EC2) for scalable deployment of data pipelines.

• Collaborated directly with client teams to design and deliver data transformation workflows.

• Enhanced reliability of analytics products through Dockerized deployments and CI/CD workflows.

Alpina Group is a Dutch financial services provider offering insurance, mortgages, pensions, and brokerage solutions, created by merging multiple regional companies under one unified brand.

• Provided expertise on data engineering challenges with a focus on SSIS and MySQL.

• Assisted in migrating and optimizing financial data pipelines for reporting and compliance.

• Designed database solutions to ensure data consistency and improve query performance.

• Consulted on best practices for ETL automation and long-term data scalability.

• Datenanalyse & -visualisierung mit Power BI und Tableau
• Aufbau des B2B-Analyse-Ökosystems für die Marketing- und Vertriebsabteilung
• Automatisierung der Erstellung häufiger manueller Berichte
• Entwicklung von Data-Mining-Modellen für B2B-Erkenntnisse
• Entwicklung von Preissimulationsmodellen
• Automatisierung des Berechnungszyklus für SIP-bezogene KPI
• Erfolgreiche Entwicklung eines Churn-Modells zur Analyse und Prognose des Kundschaftsverhaltens

• Entwicklung von Netzwerkarchitekturen mit Spark, YARN, Cloudera CDH und Hadoop
• Verwendung verschiedener statistischer Tools zur Interpretation von Datensätzen mit Schwerpunkt auf der Identifizierung von Trends und Mustern für diagnostische und prädiktive Analysen
• Datenbereinigung und explorative Datenanalyse (EDA) mit Python, IMPALA, Hive, SQL, PySpark, Pandas und NumPy
• Entwicklung von Modellen zur Lösung von Geschäftsproblemen, einschließlich CNN, RNN, DNN, NLP, Computervision (CV) und TensorFlow/Keras
• Präsentation von Dashboards mit Datenvisualisierungstechniken, einschließlich Tableau und MS Power-BI

• Durchführung von Beurteilungen und Auswertungen sowie Empfehlungen für Zielarchitektur-Strategien und -Prozesse
• Beratung zu architekturbezogenen Fragen und Gewährleistung der Übereinstimmung mit der Datenstrategie des Unternehmens
• Empfehlung von Migrationsstrategien, Unternehmensarchitekturen, Tools und Infrastrukturen, die für eine erfolgreiche Lösungsimplementierung erforderlich sind

Vodafone Egypt is the largest mobile network operator in Egypt and part of Vodafone Group. It serves millions of subscribers nationwide.

• Analyzed network KPIs and trends daily, producing actionable reports for technical and business stakeholders.

• Identified new process improvement opportunities to optimize radio network performance.

• Translated annual market forecasts into technical plans to enhance coverage and customer experience.

• Contributed to the successful launch and nationwide rollout of 4G in Egypt.

• Implemented hotspot deployments and coverage upgrades across major cities.

• Awarded Vodafone Superior Performance (2016) and Excellence Project Award for 4G launch.

• Optimised radio network parameters to reach the optimum performance.

• Analysed network trends and seasonality based on daily data extraction.

• Performed seasonal and annual furcate for special events based on historical data analysis.

• Determined areas of improvement and expansion needs based on advanced data analysis

• Generated bi-weekly reports based on the network’s KPIs.

• Managed and supervised new trials, cluster optimization, main cities campaigns, and customers’ complaints

• Managed to develop an automated tool to report area KPIs with alerting system

• Acted as the Tech Lead of a team of two engineers, providing technical training

Achievements:

• Etisalat Excellent Project Award, June 2012

• The employee of the month: April 2013