Rahul Kumar

Rahul Kumar

Backend Developer | 3+ Years Experience | MERN Stack (React.js , Node.js, MongoDB) | Python DSA | Building High-Performance Web Apps | · Dhanbad-Ranchi Area

As a Senior Analyst with a year of experience in full-stack development, I approach challenges with a blend of logical analysis and pragmatic problem-solving. My curiosity drives me to continuously explore new technologies, while my collaborative and organized nature ensures efficient and effective project delivery.

Availability

Available in 15 days

Degree confirmed by Dumka Engineering College, Dumka, Doon Public School, Doon Public School, Coding Ninjas
Contact details — on requestProof of Work — on request

Experience

HCL Technologies

Senior Analyst

HCL Technologies · Jan 2021 – May 2025

Not yet confirmed
  • During my tenure as a Senior Analyst and Web Developer at HCL Technologies, I specialized in engineering robust full-stack web applications across both frontend and backend layers.
  • By collaborating closely with agile, cross-functional teams.
  • On the server side, I architected high-performance backend systems using Node.js, Express.js, and MongoDB, successfully designing secure REST APIs with complex business logic that slashed API data retrieval latency .
  • Dedicated to system integrity, I consistently optimized application performance by resolving critical client-side bottlenecks and state-management challenges to ensure a seamless user experience.

Skills 0 proven through work

Also works with

Monostack Architecture KnowledgeRedux Toolkit State ManagementDatabase ManagementRemote WorkTechnical TroubleshootingBug FixingVersion Control with GitHubTechnical DocumentationDelegation and Work AllocationTeamworkClean Code PracticesProcess ImprovementCode ComprehensionCode ReviewStrategic PlanningAdaptive PlanningGo ProgrammingDart ProgrammingRapid Technology OnboardingMentoring and Peer CoachingTeam LeadershipNetwork Performance OptimizationCost-Saving Initiative ManagementGreenfield DevelopmentSystem EnhancementLogin Module ImplementationPayment Gateway IntegrationArtificial Intelligence FundamentalsApache KafkaRedis Cache ImplementationMicroservices ArchitectureApplication MaintenanceSoftware Development PracticesRate Limiting & Throttling ImplementationCORS ConfigurationAPI Authentication ImplementationDatabase Index CreationBatch Processing ImplementationMongoDBPagination ImplementationQuery WritingPython DevelopmentData Structures and AlgorithmsFull-stack DevelopmentRequirements AnalysisUser Story ImplementationApplication Performance OptimizationCode OptimizationUser Experience ImprovementBuilding Web ApplicationsLegacy System MigrationReact DevelopmentFront-end DevelopmentJavaScript DevelopmentNode.js DevelopmentBackend DevelopmentREST API Endpoint Development

Proof of Work

Proof of Work

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Education

Btech, Electrical, Electronics and Communications Engineering

Dumka Engineering College, Dumka · 2015 — 2019

Verified

Intermediate, Science

Doon Public School · 2012 — 2014

Verified

Matriculation

Doon Public School · 2011 — 2012

Verified

MERN Stack , Full Stack Web Development

Coding Ninjas · 2024 — 2026

Verified

Contact details

Contact details

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