Meet the Founder

Avais Ahmad
Qarni

CEO & Founder, CODES AI LIMITED (Company No. 16078672)

Senior Data Engineer with 12+ years of experience designing and optimising large-scale data platforms across Azure, Databricks, and enterprise ecosystems. Proven track record of building scalable ETL/ELT pipelines, Delta Lakehouse architectures, and delivering real-time analytics solutions that drive measurable business value for global enterprises.

London, UK
German Nationality
+44 7586 094540
Dual M.Sc.
AQ

Avais Ahmad Qarni

CEO & Founder

English ExcellentGerman B1Urdu Native

0+

Years Experience

0%

Dev Time Reduction

0.9%

Data Accuracy

0K

Annual Client Savings

AzureDatabricksAI/MLPythonSAPPower BI
Key Achievements

Impact that speaks volumes

Delivering measurable business outcomes for enterprises across the UK and Europe.

40%

faster development

AI Development Framework

Pioneered AI-assisted development using local LLMs to automate data warehouse design, ETL pipelines, and cloud infrastructure code.

99.9%

data accuracy

Delta Lakehouse at Scale

Built Delta Lakehouse for billions of sensor JSON files with ACID compliance and 60% faster runtime.

€120K

annual savings

SAP-to-Azure Integration

SAP-to-Azure integrations for Carl Zeiss, E.ON, VW delivering 50% faster analytics.

99%

real-time processing

Real-Time IoT Streaming

Event Hubs, Kafka, and Databricks streaming pipelines for enterprise IoT data.

250+

products controlled

Microsoft Fabric at Scale

Designed Microsoft Fabric solutions controlling 250+ products with automated ETL/ELT architecture.

40%

cost reduction

TB-Scale Optimization

Optimized terabyte-scale data with advanced partitioning achieving 40% query performance improvements.

Trusted by Industry Leaders

Anglian Water
Carl Zeiss
E.ON Energy
Volkswagen AG
Flaschenpost
PlayMobil
Hermes
Siemens AG
Data Engineering Process

Medallion Architecture

A battle-tested data flow pattern used to process billions of records across Azure, Databricks, and Delta Lake for enterprises like Anglian Water and Volkswagen AG.

Landing Zone

Bronze Layer

Raw data ingestion from IoT sensors, SAP, APIs, JSON files

IoT Sensors
SAP S/4HANA
REST APIs
JSON / CSV

Curated Layer

Silver Layer

Cleansed, validated, and conformed data with Delta Lake ACID

Data Validation
Schema Enforcement
Delta Lake ACID
PySpark ETL

Serving Layer

Gold Layer

Business-ready aggregations, KPIs, and ML-ready feature stores

Power BI Dashboards
ML Feature Store
KPI Aggregations
Real-Time APIs
Technical Expertise

Full-stack data mastery

Deep expertise across the entire modern data stack, from cloud infrastructure to AI automation.

Cloud Platforms

Azure SynapseData FactoryData LakeEvent HubsDevOpsFunctionsMicrosoft FabricAWS

Data Platforms

DatabricksDelta LakeSnowflakeAzure Synapse SQL Pools

Programming & ETL

PythonPySparkSQLScalaR

AI & Automation

Local LLMsClaudeAI-Assisted DevelopmentAutomated Pipeline Generation

Visualization & BI

Power BI Pro/PremiumTableauSAP BusinessObjects

Enterprise & DevOps

SAP S/4HANASAP BWMicrosoft Dynamics 365DockerKubernetesTerraformCI/CD
Career Journey

12+ years of excellence

From research at Siemens AG to founding CODES AI, a journey driven by data engineering innovation.

11/2025 – PresentCURRENTLondon, UK

CEO & Founder

CODES AI LIMITED(#16078672)

Pioneered AI-assisted development framework using local LLMs. Automated data warehouse design, ETL pipelines, and cloud infrastructure code. 40% development time reduction.

11/2024 – 07/2025UK

Senior Data Engineer

TRANSFORM UK (Anglian Water)

Microsoft Fabric & Databricks. Controlled 250+ products as framework. Built Curated & Gold Layer. Delta-Parquet in OneLake.

11/2023 – 11/2024UK

Senior Data Engineer

Delta Lakehouse Project

Billions of sensor JSON files. ACID-compliant Delta Lake. 40% query optimization. Power BI dashboards.

03/2022 – 11/2023Germany

Senior Data Engineer

Flaschenpost GmbH

Microsoft Dynamics 365 Azure migration. SSIS to Azure Cloud. 50% faster reporting.

03/2022 – 10/2024Germany

BI Consultant

Carl Zeiss GmbH (via SOLOCOM)

Customer 360 analytics. SAP CRM/ERP with Azure Synapse. 40% faster reporting.

09/2021 – 03/2022Germany

Senior Data Engineer

E.ON Energy

Global survey dashboard, 2000+ columns. Row Level Security in Power BI. 99.5% accuracy.

07/2021 – 04/2022Germany

Senior Data Engineer

Hays (PlayMobil/ISMO)

80K+ JSON files daily. Global Sales Dashboard. Amazon, Print, TV & Social Media data.

01/2020 – 06/2021UK

Senior Data Specialist

Hermes (via Artizan)

Azure data platform for sensor analytics. Delta Lake optimization. 30% Azure cost reduction.

08/2019 – 01/2020Germany

Senior BI Consultant

Sycor GmbH

D365 Finance & Operations, D365 Retail. BYOD & Azure Data Lake. ML algorithms in Azure.

2017 – 08/2019Germany

Senior Software Specialist

Dornbracht GmbH

Sales & Margin, Finance analytics. Star/Snowflake schemas. 30% faster reconciliations.

2013 – 2015Germany

DWH/BI Consultant

Adastra GmbH (Volkswagen AG)

Enterprise DWH for VW VSC/BDW. SAP BusinessObjects. Informatica PowerCenter. 99.9% workflow success.

2011 – 2012Munich, Germany

Research Assistant

Siemens AG, Corporate Technology

Cloud-integrated DWH architectures. Azure, AWS, SAP BIOD research.

2009 – 2010Germany

IT Developer (Student)

Via Software GmbH

Java J2EE, PHP4, JavaScript development.

Education

Academic foundation

M.Sc. E-Business

University of Applied Sciences, Fulda

Germany · 2012

M.Sc. Informatics

University of Central Punjab

Pakistan · 2005

B.Sc. Informatics

B.Z.U. University, Multan

Pakistan · 2002

Let's build your next
data platform

12+ years of enterprise data engineering expertise. From Delta Lakehouse to real-time streaming, I deliver solutions that scale.