Vivekananthan S

Vivekananthan S

Availability

Available in 30 days

Contact details — on requestProof of Work — on request

Experience

S

Back End Developer

Stadius Technologies Pvt. Ltd. · Jan 2026 – Present

Not yet confirmed
  • • Architected and developed the backend for DigiParivaar, an MVP-based learning platform using Node.js, Express.js, and MongoDB.
  • • Designed and implemented scalable RESTful APIs for lesson delivery, learner progress tracking, and resume-learning functionality.
  • • Integrated Firebase OTP authentication to provide secure and seamless user onboarding.
  • • Designed and optimized MongoDB schemas for users, courses, lessons, and progress tracking, ensuring efficient data management.
  • • Deployed and maintained backend services on Railway, managing production environments and application configurations.
  • • Led backend architecture and technical decision-making, focusing on scalability, maintainability, and performance.
S

Backend Lead (Contract)

Stadius Technologies Pvt. Ltd. · Jan 2026 – Present

Not yet confirmed
  • Architected the backend from scratch for an MVP EdTech platform using Node.js and Express.js, delivering 12+ RESTful APIs for lesson flows, progress tracking, and resume-learning while reducing average response time by 25%.
  • Engineered OTP-based authentication with Firebase and secure token flows, onboarding 500+ users with zero authentication failures across three sprint cycles.
  • Designed MongoDB schemas across five core collections with strategic indexing, improving average query execution time by 20%.
  • Led infrastructure decisions including Railway for deployment, Redis for caching, and Firebase for authentication, reducing infrastructure setup time by 40% compared to prior baselines.
Q

Software Developer

Quantum Sharq Innovative Solutions · Jun 2024 – Nov 2025

Not yet confirmed
  • Built and maintained a MERN-based healthcare management system serving 200+ daily active users; refactored 10+ APIs and optimized MongoDB aggregation pipelines, improving response times by 30% and reducing database load by 40%.
  • Migrated WhatsApp notifications from Interakt to Meta Business API by rewriting the notification service, reducing monthly messaging costs by 35% while maintaining 99.5% delivery reliability.
  • Resolved 15+ critical production incidents on Linux VPS environments, including memory leak fixes and cron job optimizations, sustaining 99.5% uptime with an average resolution time under two hours.
  • Revamped 8+ React components using React.memo and useMemo, reducing unnecessary re-renders by 45% and improving Lighthouse scores by 18 points.
Q

Software Developer

Quantum Sharq Digital Systems Private Limited · Jun 2024 – Nov 2025

Not yet confirmed
  • • Engineered a healthcare management system using MERN stack, supporting core workflows for patient and clinical data management.
  • • Optimized 10+ backend APIs and MongoDB queries, improving response times by up to 30% and reducing database load.
  • • Migrated WhatsApp notification system from third-party Interakt API to Meta Business API, significantly reducing operational costs.
  • • Deployed and managed backend services on a Linux VPS, handling server configuration, environment setup, and production monitoring.
  • • Improved frontend performance by optimizing React components using memoization techniques (React.memo, useMemo).

Skills 0 proven through work

Also works with

Meta Developer PlatformAPI IntegrationCost-Saving Initiative ManagementStrategic PlanningRate Limiting & Throttling ImplementationApplication Performance OptimizationRedis Cache ImplementationN+1 Query Identification and ResolutionDatabase Query OptimizationAPI Caching ImplementationMongoDBMVC Architecture ImplementationREST API Endpoint DevelopmentFeasibility and Impact AssessmentData ModelingScalable System Design

Proof of Work

Proof of Work

Vivekananthan shares this with people who ask. You'll hear back either way.

Education

Bachelor of Technology, Information Technology

Bharath Niketan Engineering College · 2020 — 2024

Contact details

Contact details

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