Harshvardhan Rajdan

Full Stack Engineer

New Delhi, Delhi, India3 yrs 9 mos experience

AI EnabledAI ML Practitioner

Key Highlights

Led backend development for 100M+ users.
Achieved 50% reduction in API latency.
Migrated cloud services, saving 15% in costs.

Stackforce AI infers this person is a Backend-heavy Fullstack Engineer in the SaaS and Fintech industries.

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Skills

Core Skills

MicroservicesProject ManagementBackend DevelopmentCloud InfrastructureApi Development

Other Skills

.NET FrameworkAPIAgile MethodologiesAlgorithmsAmazon EKSAmazon ElastiCacheAmazon SQSAmazon Simple Notification Service (SNS)Amazon Web Services (AWS)Application Programming Interfaces (API)Attention to DetailAutomationBack-End Web DevelopmentBackendBobble Indic Keyboard

About

My goal is to build innovative and user-friendly solutions using technology that will solve problems and deliver value to humanity. I'm always eager to collaborate with other engineers, stakeholders and contribute to the success of the team and the organization in any way possible (IYKYK)

Experience

3 yrs 9 mos

Total Experience

2 yrs 11 mos

Average Tenure

10 mos

Current Experience

Augury

Full Stack Engineer

Aug 2025 – Present · 10 mos · Hybrid

Bobble ai

2 roles

Server Side Engineer

Promoted

Aug 2022 – Jul 2025 · 2 yrs 11 mos · Remote

￭ Took on a leadership role in driving backend development along with coordination with stakeholders of Mint and Bobble Keyboard(100M+ users), fostering innovation and engineering efficiency. Also led the task coordination and workflow management for junior backend team members, ensuring smooth execution and timely delivery.
￭ Implemented Content Recommendation Engine powered by Elasticsearch with user typing, content shares based personalized content recommendation to power analytics engine and content recommendation/search support for 100 million+ users of Bobble Keyboard and Mint Keyboard.
￭ Migrated Cloud Infrastructure services (10+) from amazon web services (AWS) to Google Cloud Platform (GCP) and lead the transition of Golang/Python Micro-services from Amazon EC2 to Google Kubernetes Engine (GKE) in a cloud agnostic architecture resulting in a 15% reduction in operational costs.
￭ Migrated and maintained a monolithic PHP service to 14 Golang microservices and 2 Python services in Kubernetes, handling 100,000 RPS at peak load. Reduced API latency by 50% (from 130ms to 65ms) and server data output by 60% (from 1TB/day to 0.4TB/day), enhancing performance and efficiency.
￭ Implemented caching via Redis via Memory store and Go/Python Redis client which reduced database cost by 25% also decreased API latency by 30%.
￭ Enhanced backend services monitoring and alerting with the integration of Grafana with Prometheus, allowing for quick issue identification and resolution.
￭ Spearheaded live cricket streaming API implementation using Realtime Server-Sent Events (SSE) push technology, led to monetizing through brand partnerships and 1.3 billion+ impression across campaigns
￭ Achieved a 50% cost reduction by transitioning Bobble and Mint keyboard Content Recommendation Search Engine from MySQL to Elasticsearch

Project ManagementMicroservices