Sabu Lahethu

F

Senior S/W Engineer

FreeWheel (Comcast)

Sep 2019 - Current (6 years 11 months)

• Designed robust backend microservices architecture using Vertical Slice Architecture approach • Developed backend API with .NET Core, implemented CQRS pattern with MediatR library • Utilized EF Core, SQL Server for database migrations, NServiceBus for messaging system • Implemented throttling, caching, and retry logic for integrations with Meta, GoogleAds, Beeswax, and Amazon, reducing API failures by 70%. • Core contributor to containerization of NServiceBus services, migrating from EC2 to Kubernetes improving deployment speed by 40% and reducing infrastructure costs by 20%

S

Senior Consultant

SPR Consulting

Apr 2016 - Aug 2019 (3 years 5 months)

• Led the design and implementation of the Vypin IoT platform for real-time logistics tracking, enabling 24/7 monitoring of 5,000+ assets • Utilized Bluetooth Smart sensor beacons for data collection • Designed web jobs to process telemetry information • Led team to automate Account Reconciliation process In my role as a Senior Consultant at SPR Consulting • Collaborated with cross-functional teams in an Agile environment and contributed to requirements analysis and sprint demos.

L

Technical Architect

LTI Mindtree

Feb 2010 - Mar 2016 (6 years 2 months)

• Modernized a legacy ASP application to AngularJS and WebAPI, enhancing performance. • Estimated budgetary costs for hardware and software transitions for a legacy insurance system. • Led an in-house product initiative for the insurance domain, delivering a POC within set constraints.

Programmer Analyst

Mastek

Dec 2002 - Feb 2010 (7 years 3 months)

• Developed and delivered a custom-built collateral insurance application to streamline processes. • Designed high-level and low-level data models to improve data organization and accessibility. • Created a configurable data extract tool using SSIS to enhance data retrieval efficiency. • Wrote complex stored procedures and optimized performance in large batch applications. • Experienced in building Service-Oriented Architecture (SOA) based services.

G

S/w Programmer

Greendale Technologies

Mar 2002 - Oct 2002 (8 months)

• Developed custom workflow software to streamline approval and routing processes, boosting user efficiency. ◦ Enhanced system performance by creating business logic and data logic layer for core modules. ◦ Improved data handling efficiency by writing complex stored procedures and functions using PL/SQL. ◦ Successfully matched project requirements with existing code to reduce development time and increase productivity. ◦ Contributed to database design discussions and reviews to ensure a cohesive and scalable architecture.

W

Developer

Webtech Developers

Sep 2001 - Oct 2002 (1 year 2 months)

• Developed HTML design page based on mockup with sliced images ◦ Created CSS and JavaScript for design and client-side validations ◦ Designed and developed global themes for the application ◦ Implemented advanced, basic, and distance search functionality ◦ Wrote dynamic stored procedures and SQL server jobs for weekly searches and email notifications

O

S/W Engineer

Octon Technologies Ltd

Sep 1999 - Sep 2001 (2 years 1 month)

• Develop user registration module using ASP ◦ Conduct system analysis and design tasks ◦ Collaborate with team members on software engineering projects ◦ Implement software solutions for Octon Technologies Ltd ◦ Employ strong coding skills in ASP for efficient system development.

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