TAJ
Tajinder Pal Singh profile picture
Full Stack Engineer

Tajinder Pal Singh

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Building scalable web applications and solving complex problems with modern technologies

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Featured Projects

Impact-Driven Solutions

Leading complex technical initiatives and delivering measurable business value

Profile Pensions Platform Modernization

Moneyfarm

100,000+ Active Users

Led the complete transformation of the Profile Pensions platform, upgrading to React with TypeScript and implementing a hybrid state management approach. Integrated robust testing strategy with Cypress and Jest.

Improved platform performance and reliability for 100K+ users
Implemented comprehensive testing strategy (E2E + Unit)
Delivered seamless user experience with modern tech stack

Two-Factor Authentication (2FA) System

Moneyfarm

20% Adoption in First Month

Took ownership of designing and building a secure 2FA system using Node.js and TypeScript, significantly strengthening platform security for a digital wealth manager handling £5B+ in AuM.

Enhanced security for high-value financial platform
Achieved 20% user adoption within 30 days of launch
Built scalable authentication system with TypeScript

Travelodge Platform Migration

HCL Technologies (Travelodge)

<1% Downtime

Spearheaded the transformation of Travelodge's core booking platform from monolith to microservices architecture using Next.js and React, ensuring reliability for both business and leisure travelers.

Achieved under 1% downtime during migration
Reduced booking time by 40% with backend redesign
Delivered seamless experience for thousands of daily bookings

Real-Time Data Analytics Pipeline

HCL Technologies (BBC)

50% Faster Reporting

Designed and deployed a real-time analytics pipeline for BBC's voice-enabled applications (CBeebies, BBC News) using AWS Lambda and Node.js, accelerating data-driven decision-making.

Reduced reporting latency by 50%
Created reusable npm library for Kinesis ingestion
Powered analytics for 10+ BBC applications

Microservices Integration via Kafka

Moneyfarm

Real-Time Sync

Engineered microservices architecture to integrate Profile Pensions (Node.js) and Moneyfarm (Python) platforms, leveraging Kafka for two-way streaming and Protobuf for real-time pension data synchronization.

Seamless cross-platform data synchronization
Built fault-tolerant event-driven architecture
Handled pension find, check, transfer, and status tracking
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