Lakshmanan is available for hire

Lakshmanan Lakshmanan

Verified Expert in Engineering

AWS Cloud Architect and Developer

Location

Singapore, Singapore

Toptal Member Since

February 20, 2023

Lakshmanan is a technologist with extensive experience of over 17 years. He has designed solution architecture, worked on product management, delivered system integrations, and managed data teams. Lakshmanan's complex software solutions have led to capability uplifts, cost reductions, and business process optimizations for Fortune 500 companies across banking, financial service, retail, software manufacturing, digital native, healthcare, and utility fields.

Migration Data Engineering Amazon RDS Database Development Linux Databases Oracle SQL-99 Oracle PL/SQL Database Design Amazon Aurora Data Analysis Analytics Data Analytics Java Oracle Exadata IBM InfoSphere DataStage SAP FICO

Portfolio

Amazon Web Services (AWS)

Charles & Keith

SAP Sales and Distribution (SAP SD), SAP Materials Management (MM), SAP FICO...

Freelance

Avaloq, Reporting, Hybrid Cloud Infrastructure, Oracle, Scripting, ETL

Experience

Database Development - 18 years Migration - 15 years Database Design - 15 years AWS Cloud Architecture - 12 years Data Engineering - 9 years Amazon RDS - 8 years Data Analytics - 8 years Modernization - 8 years

Availability

Part-time

Preferred Environment

Windows, Linux, Databases, Data Engineering, Data Analytics, Data Analysis, Performance, Scripting, Migration, Modernization

The most amazing...

...thing I've done is help enhance data quality for a fast fashion company, improving the store fallout rates by up to 15% and sales by up to 20% globally.

Work Experience

Senior Solution Architect

2020 - 2023

Amazon Web Services (AWS)

Delivered high-touch assistance and guidance to enterprise customers as they shifted to a cloud-based operating model to incorporate AWS services into their overall architecture.
Worked hand in hand with customer teams and AWS partners to provide deep expertise in the architecture, design, development, and implementation of cloud computing initiatives that resulted in tangible business outcomes.
Delivered customized services and built repeatable solutions that accelerated AWS adoption and provided meaningful customer insights, informing our service roadmaps.

Technologies: Amazon Web Services (AWS)

Manager and Data Architect

2018 - 2019

Charles & Keith

Understood the current business processes in various regions where the company operates to build a scalable and flexible data architecture.
Solved inventory issues and optimized season buying accuracy using a data platform built with AWS. This resulted in cash flow optimization and bottom-line improvement.
Assisted in improving data quality, which reduced resource time in data checking and improved store fallout rates by 15% and sales by almost 20% in Singapore stores.

Technologies: SAP Sales and Distribution (SAP SD), SAP Materials Management (MM), SAP FICO, POS, SQL Server 2016, Data Warehouse Design, Data Modeling, T-SQL (Transact-SQL), SQL Server Integration Services (SSIS), Qlik Sense, QlikView, Qlik NPrinting, Amazon Elastic MapReduce (EMR), Snowflake, Magento, Salesforce

Senior Consultant

2017 - 2018

Freelance

Designed, reviewed, and implemented data and digital solutions for a leading Canadian bank's wealth management division aligned with its global architecture guidelines.
Reviewed current lifecycle management, data governance, and data infrastructure.
Identified opportunities and access possibilities to move the infrastructure to hybrid cloud solutions based on the regional regulatory guidelines for various countries involved.

Technologies: Avaloq, Reporting, Hybrid Cloud Infrastructure, Oracle, Scripting, ETL

Project Delivery Lead

2016 - 2017

Freelance

Worked as a data architect on a project delivery scope. Reviewed current data model, implemented data governance, and managed data lifecycle.
Improved the quality of the loan portfolio, reducing regulatory capital by a few percentage points.
Developed a centralized system for liquidity risk management, improved data quality, and reduced time for risk reporting.

Technologies: Basel III, BI Reporting, Tableau, IBM InfoSphere (DataStage), Hadoop, Oracle

Senior Database Administrator

2014 - 2016

CME Group

Acted as a point of contact for a global database team in Singapore, overseeing over 200 Oracle 11g and 12c databases on Exadata and Microsoft SQL Server.
Automated routine database administrator tasks using original equipment manufacturer (OEM) and custom scripts using Shell and Python.
Planned and migrated the Oracle database from 11g to 12c.
Managed quarterly disaster recovery testing and design.

Technologies: Amazon Web Services (AWS), Options Trading, Oracle, Oracle Exadata, Hadoop, Microsoft SQL Server, Bash Script, Perl, ITIL V3 Foundation Certified

Lead Database Architect

2011 - 2014

GFT Global Markets

Planned, designed, developed, and implemented a special migration technique for migrating Japanese partners in the trading system using SQL and PL/SQL, saving $2 million year over year for the organization in the SDLC and support.
Led a trading data lifecycle management project through all the phases along with the business, development, and support teams. This helped the organization with significant cost benefits and improved order management systems throughput by 40%.
Participated in designing, developing, and implementing cost-effective disaster recovery solutions with processes and procedures for the trading platform in a public cloud in line with the business continuity plan (BCP) for technology risk.

Technologies: Java, Oracle, Oracle Exadata, SQL Server DBA, SQL-99, Oracle PL/SQL, Scripting, Migration, Amazon Web Services (AWS)

Senior Consultant

2007 - 2011

Atos

Managed a leading bank's multi-vendor database portfolio of over 50 applications and their databases, including release management and infrastructure-level activities like patching, backup, and disaster recovery tests.
Tracked and fixed operational performance issues using remedy tools for the incident, change, and problem management.
Worked as a database architect and helped implement a sports result system for the world's first Youth Olympic Games in 2010.

Technologies: Linux, Oracle Solaris, AIX, Oracle 11g, Oracle 12c, Oracle OEM 12c, Veritas Volume Manager, Veritas Cluster Server, SQL Server DBA, IBM Db2, Java, IBM WebSphere, Shell Scripting, Perl

Lead Engineer

2005 - 2007

HCL Technologies

Acted as a database developer, working on Oracle, SQL Server, IBM DB2 UDB, and MySQL at an offshore development center for our client, who specializes in customer relationship management (CRM) products.
Headed a performance engineering team in charge of running performance, stress, and bench-marking tests for various client products.
Oversaw database design and development of an open-source CRM product built using open-source technology stacks like Java, Apache Tomcat, and MySQL.

Technologies: Java 6, Performance Engineering, Database Design, Database Development, Quality Management

Experience

Prescriptive Guidance Pattern

https://docs.aws.amazon.com/prescriptive-guidance/latest/patterns/create-detailed-cost-and-usage-reports-for-amazon-rds-and-amazon-aurora.html

Published a prescriptive guidance pattern that helps customers and partners understand Amazon Aurora's various costs using detailed cost and usage reports and automating them to create reports and custom alerts.

Education

2014 - 2015

Master's Degree in CIO Practices and Information Systems

National University of Singapore - Singapore, Singapore

2006 - 2007

Post-graduate Degree in Business Management

IFMR Graduate School of Business at Krea University - Chennai, India

2001 - 2005

Bachelor's Degree in Electrical Engineering

Anna University - Chennai, India