Christopher Asaipillai
Worthing
Summary
Senior Database Engineer with 20+ years’ experience designing, optimizing and modernizing enterprise data platforms across Financial Services, Travel, Publishing, Marketing, Telecoms and Enterprise sectors. Extensive SQL Server background combined with recent production migration to PostgreSQL and modern ORM experience using Entity Framework Core and SQLite. Strong expertise in performance tuning, ETL architecture, DevOps-aware database deployment and stakeholder engagement. Proven ability to operate autonomously within fully remote Agile teams.
Overview
28
28
years of professional experience
Work History
Senior SQL Server / PostgreSQL Developer
Gemini Data Loggers
04.2021 - Current
- Designed and maintained SQL Server database supporting enterprise data visualisation platform.
- Led full production migration to PostgreSQL, including deployment and release strategy.
- Implemented automated database migration tooling and DevOps-aligned workflows.
- Built database-agnostic data layer using Entity Framework Core using scaffolds and migrations.
- Delivered SQLite prototype replicating enterprise stored procedure logic within 3 weeks.
- Containerised PostgreSQL environments using Docker; exposure to Kubernetes.
- Optimised performance and indexing across production workloads.
- Developed advanced reporting solutions and delivered technical demos to senior stakeholders.
SQL Server Developer
Equiniti
12.2017 - 04.2021
- Developed T-SQL stored procedures, triggers, UDFs and views.
- Created automated build and release pipelines via TFS.
- Performance tuning and index optimization.
- Upgraded SQL Server 2008 to 2019.
- Delivered SSRS reporting solutions and BI extracts.
- Defined database standards and best practices.
- Supported migration events including out-of-hours deployments.
SQL Server BI Consultant
Informa
10.2017 - 11.2017
- Analyzed existing data solutions and data quality.
- Designed and built ETL infrastructure to merge datasets.
- Implemented monitoring and reporting processes.
- (Contract)
SQL Server BI Developer
Air Charter Services
06.2015 - 10.2017
- Supported 20 global SQL Server databases.
- Managed replication across 18 international sites.
- Developed complex SSRS reports and SSIS ETL pipelines.
- Performed DBA optimisation and maintenance tasks.
- Exposure to Azure Data Factory development.
- (Contract)
SQL Database Administrator / Senior Developer
Exponential-E
01.2015 - 04.2015
- Designed and administered Pricing Tool database.
- Implemented CI database generation using RoundHouse.
- Developed incremental SSIS ETL processes.
- Wrote NUnit database unit tests (TDD/BDD).
- Created customized reporting suite for client delivery.
- (Contract)
Senior SQL Developer
Unilever
04.2014 - 12.2014
- Supported SQL Server database powering Digital Asset Management system.
- Delivered SQL data feeds for Tableau dashboards.
- Performed code reviews and optimized database implementations.
- Built drill-down and parameterized SSRS reports.
- (Contract)
Senior SQL Developer
Hachette
02.2013 - 04.2014
- Enhanced in-house database applications.
- Performance tuning and application monitoring.
- Automated manual data processes using SQL & MS Access VBA.
- (Contract)
Senior SQL Developer
Virgin Holidays
10.2012 - 01.2013
- Designed and supported ETL layers for Finance and Marketing.
- Data migration from Oracle/Access/Excel to SQL Server.
- Maintained campaign management systems.
Technical Lead / Senior Developer
RM Data Solutions
07.2007 - 02.2012
- Led team of 6 developers delivering database systems.
- Combined development and DBA responsibilities.
- Developed automation scripts for administration tasks.
- Designed optimization and tuning strategies.
- Built and deployed SSIS packages.
- Full SDLC delivery across UAT and Production environments.
Early Career
01.1998 - 01.2007
- Delivered database and application solutions across multiple organizations including Johnson Matthey, Cobra Group, UK Broadband, EMAP, Ericsson UK, BP Digital Business and others.
- Worked extensively with SQL Server, MS Access, Visual Basic, ASP and early .NET platforms.
Education
PGDip - Human Computer Systems
De Montfort University
BSc (Hons) - Computer Science
De Montfort University
Skills
- SQL Server (65–2019)
- PostgreSQL (Production)
- SQLite / EF Core
- T-SQL & Stored Procedures
- Performance Tuning
- Index Optimization
- CI/CD Pipelines (GitLab)
- Automated DB Migration
- Docker
- ETL / SSIS
- Database Architecture
- Agile / Scrum
- Dev Express
- SSRS
- Database management
- Data migration
- Performance tuning
- Reporting solutions
- ETL processes
- Data visualization
- Technical documentation
- Agile methodologies
- Problem solving
Custom Section
Car Owner
Personal Information
Available: 2026-03-25
Websites, Portfolios and Profiles
http://uk.linkedin.com/in/chrisasaipillai
Timeline
Senior SQL Server / PostgreSQL Developer
Gemini Data Loggers
04.2021 - Current
SQL Server Developer
Equiniti
12.2017 - 04.2021
SQL Server BI Consultant
Informa
10.2017 - 11.2017
SQL Server BI Developer
Air Charter Services
06.2015 - 10.2017
SQL Database Administrator / Senior Developer
Exponential-E
01.2015 - 04.2015
Senior SQL Developer
Unilever
04.2014 - 12.2014
Senior SQL Developer
Hachette
02.2013 - 04.2014
Senior SQL Developer
Virgin Holidays
10.2012 - 01.2013
Technical Lead / Senior Developer
RM Data Solutions
07.2007 - 02.2012
Early Career
01.1998 - 01.2007
PGDip - Human Computer Systems
De Montfort University
BSc (Hons) - Computer Science
De Montfort University