Hello, I'm Akhilesh Tiwari

Backend Engineer

Junior Backend Engineer

I build scalable backend systems, design clean APIs, and work across cloud, databases, and distributed architecture to keep things fast and reliable.

Professional Journey

Here's What I've been into.

Founding Engineer Intern

Penzo Technologies Pvt. Ltd.

Sep 2025 – Present

  • Engineered and deployed a Text-to-Speech (TTS) pipeline using Firebase Cloud Functions with caching in Firebase Storage, cutting API latency and usage costs.
  • Implemented a multi-layer caching system (in-memory + localStorage) following the Stale- While-Revalidate (SWR) strategy to boost UI responsiveness.
  • Built a reusable React hook (useCache) for consistent caching and background data refresh across components.
  • Developed a RazorpayX payout system with automated retries, detailed Firestore logging, and an admin dashboard for manual overrides.
  • Contributing to an upcoming AI-assisted content engine aimed at improving writer engagement and recommendation accuracy.

Cloud Computing Intern - AWS

Code Resite

June 2025 – July 2025

  • Worked in the R&D team on backend and cloud-based projects using AWS infrastructure
  • Developed serverless functions using AWS Lambda to handle dynamic backend workflows
  • Configured and managed EC2 instances for scalable deployment of web services
  • Integrated AWS services like S3, IAM, CloudWatch to support logging, storage, and access control
  • Contributed to the backend logic for APIs and system orchestration using Node.js and REST principles
  • Supported CI/CD tasks and participated in architectural discussions for microservice design

Freelance Software Developer

Remote

Nov 2024 – June 2025

  • Designed and developed a comprehensive ERP system using Django REST Framework and React
  • Implemented role-based authentication, real-time reporting, and student management modules
  • Optimized backend performance by 35% through PostgreSQL indexing and Redis caching

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