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Gaurav Kesarwani

@gauravkesarwani

Senior backend software engineer building scalable cloud-native REST APIs and AI-integrated platforms with measurable performance gains.

India

Message

What I'm looking for

I’m looking for a backend role where I can own scalable API and microservices, build AI-integrated workflows, and drive observability + DevSecOps. I value strong engineering culture, clear ownership, and measurable business impact.

I’m a Senior Backend Software Engineer with 5+ years of experience architecting scalable, cloud-native web applications and high-performance RESTful APIs for business-critical SaaS platforms. I focus on performance, reliability, and delivery speed—most notably improving system performance by 60% and cutting deployment time from 2+ hours to 5 minutes.

Across my roles, I’ve led modernization efforts (WordPress monolith to NestJS microservices), designed event-driven and high-availability architectures, and implemented comprehensive observability (OpenTelemetry + structured logging) to improve incident response and proactive monitoring. I’ve also built AI-integrated solutions using LLM endpoints and wrapper APIs to support thousands of concurrent users, including OpenAI/ChatGPT-based content generation and monitoring.

I’m hands-on with production-grade engineering—secure API design (OAuth2, JWT, RBAC), DevSecOps practices, CI/CD, and cloud infrastructure on AWS. I enjoy mentoring and team leadership, having guided 3 junior engineers through code reviews, pair programming, and architecture sessions with 100% promotion outcomes.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer (Backend)

Current

Buzzboard India Private Limited

Dec 2025 - Present (6 months)

Architected and developed the Strategy Kit backend system, reducing customer onboarding time by 70% and eliminating cross-platform data handoff failures. Implemented RESTful APIs with AI/LLM integrations and observability (debug logging/traceability), achieving 99.5%+ API reliability and reducing production incidents by 40%.

RESTful APIs LLM Integrations Wrapper APIs Observability Compliance Labeling Systems API Integration

Software Development Engineer 2

Codemaya

Apr 2023 - Dec 2025 (2 years 8 months)

Modernized a WordPress monolith into NestJS microservices, cutting deployment time by 96% (2+ hours to 5 minutes) and enabling continuous delivery for a 5-person team. Built high-performance SaaS backends (sub-200ms APIs) and observability with OpenTelemetry/structured logging, improving MTTR by 60% and maintaining 99.9% uptime via zero-downtime shadow table and blue-green migrations.

NestJS Microservices Architecture Database Optimization Elasticsearch GraphQL Zero Downtime Deployments OpenTelemetry

Junior Software Developer

Jio Platforms Limited

Jun 2021 - Feb 2023 (1 year 8 months)

Developed an enterprise compliance portal (iRCMSv2), automating workflows and reducing manual processing time by 30%. Implemented reliable data pipelines (99%+ success rate) using Kafka Connect and MySQL, improved code quality with Swagger/OpenAPI contract-first testing (90%+ coverage), and standardized delivery with Azure DevOps CI/CD while supporting 1M+ daily transactions with sub-second perfor

Kafka Connect API MySQL Compliance Automation Swagger OpenAPI Contract First Azure DevOps Kubernetes Query Optimization

Service Desk Analyst Intern

Wiley Mthree

Feb 2021 - May 2021 (3 months)

Completed a 3-month full-stack training program (500+ hands-on hours) covering Linux administration, SQL, Python, and Agile development. Supported incident triage, change management, and ITIL service management practices, and shadowed HIPAA and financial compliance workflows to inform later systems design.

Linux System Administration SQL Database Management Python Agile Scrum Triage Change Management ITIL Service Management HIPAA Workflow Exposure