IT Contractors UK Profile

Chelladurai Selvaraj

Data Engineer | Observability Architect

Verified email Founding Contractor · 2026

Contractor snapshot

Primary specialism Data & Analytics
Location / working location Leeds
Current availability Available now Confirmed 10 Aug 2026
Profile status Active contractor profile

Professional profile

I am a highly experienced DBA and Data Consultant (eligible for SC & DV clearance) with more than 19 years of experience in designing and implementing database solutions & data migrations across platforms that is scalable, performant & reliable as per business needs. Adept at planning and implementing Observability and monitoring solutions using various tools and build custom dashboards to gain business insights from the observability data and configuration of critical alerts integration with ServiceNow and other tools. I have designed and implemented Azure Data Factory pipelines to extract structured and unstructured data from various sources including on-premise systems, load into snowflake and then transform the data using tools such as DBT as per business requirements. I have performed cross platform upgrades and migration of critical SAP databases along with Oracle Data Guard and Oracle Golden Gate setup and managed the end to end project from a technical perspective. Led a team of DBA’s and successfully managed 200+ production databases and Oracle Middleware in a client IT estate across various platforms following the ITSM process.

Core skills

Azure Data Migration Azure Data Factory Snowflake Oracle Observability Implementation Dashboards & Visualisation Shell Scripting Python Weblogic Administration Monitoring agents deployment Linux Administration Alerts & Incident Management

What I’m looking for next

Target roles: Data Engineer · Observability Engineer · Database Administration · Data Migration

Contract preferences

Working preferenceRemote · Hybrid
Will workRemote, Hybrid
IR35 preferenceOutside IR35 · Inside IR35
Expected rate £550–£675/day
Contract length6–12 months
IT experience19 years
Contracting experience5 years
Available from1 Sep 2026

Relevant work experience

Successfully completed the POC of Dynatrace and NewRelic observability tools. Implemented NewRelic Observability solution across client’s multiple IT estates including on premise and cloud infrastructure such as AWS & Azure. Built dashboards for business insights, end user journey monitoring in front end and IT support operations monitoring using DQL/NRQL queries. Planned and executed the end-to-end application and data migration strategies ensuring seamless transition to the Azure cloud. Successfully migrated on-premise application and database into Azure cloud infrastructure. Designed application architecture in Azure and planned the migration strategy based on business requirements. Designed and implemented Azure Data pipelines in Azure ADF to extract data from on- premise systems like Oracle & SQL and load into Snowflake and MS SQL database in Azure. Designed the integration runtime machine architecture for the data migration to Azure. Scheduled data extraction pipelines in Azure ADF and designed the data transformation logic within Snowflake Using DBT. Designed the solution for data extraction and archiving of 240 million invoices from on- premise system to Azure data lake and access it via Snowflake. Migrated on-premise SQL database to Azure SQL Server. Successfully migrated on-premise unstructured data to azure blob storage and file shares. Designed and implemented the data migration approach for various business critical databases. Upgraded and successfully migrated Oracle database from on-premise to Azure infrastructure. Installed and configured Oracle database versions 12c, 18c and 19c across various platforms like Linux, AIX & Solaris and Windows. Implemented Oracle license optimization and saved license cost.

Experience & credentials

Certifications, sector experience and security clearance are self-declared unless specifically marked as independently verified by IT Contractors UK.

Sector experience

Utilities · Telecom · Banking

Certifications

Google Cloud Professional Architect · Oracle Database Administrator

Professional links

Contact details are controlled by the contractor and are not displayed automatically. Profile information is self-declared unless explicitly marked as verified.

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