mahesh.sh

GET /mahesh-sharma 200 OK

Mahesh Sharma

Backend Engineer · 3+ years building distributed systems · Mohali, Punjab, India

I make slow APIs fast — most recently taking production API latency from 5s to 1s on Zippee, a quick-commerce logistics platform.

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Backend Engineer with experience building scalable distributed systems, real-time logistics platforms, and AI-driven applications using Python, Django, FastAPI, and Redis. Skilled in microservices architecture, asynchronous processing, performance optimisation, and cloud deployments.

Experienced in designing high-throughput APIs, event-driven workflows, and production-grade backend services across quick-commerce, AI SaaS, and video processing platforms. Strong ownership mindset with proven impact in reducing API latency and improving system reliability.

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Projects

Production backend work across logistics, AI, and e-commerce. Company projects are proprietary and have no public repo.

GET /skills

Skills

Response schema — capabilities grouped by domain.

languages
  • Python
  • Go
  • SQL
  • JavaScript
  • Bash
  • C/C++
backend
  • Django
  • Django REST Framework
  • FastAPI
  • Go (gin, chi)
  • gRPC + Protocol Buffers
  • GraphQL (gqlgen)
  • Node.js (Express)
  • Flask
  • NestJS
data_stores
  • PostgreSQL (TimescaleDB)
  • MySQL
  • Redis
  • MongoDB
  • SQLite
  • ORMs: ent · SQLAlchemy · Django ORM · Sequelize · Mongoose
async_realtime
  • Celery
  • Redis RQ
  • Redis Pub/Sub
  • asynq (Go)
  • GCP Pub/Sub
  • WebSockets (Django Channels, gorilla)
  • Server-Sent Events
  • event-driven pipelines
  • scheduled jobs
ai_llm
  • LangChain
  • FAISS
  • ChromaDB
  • OpenAI / Gemini / Cohere / Azure OpenAI APIs
  • Langflow
  • Hugging Face
cloud_infra
  • Docker
  • Docker Compose
  • Kubernetes (deploys via GitHub Actions)
  • GitHub Actions CI/CD
  • GCP (Cloud Run, Pub/Sub, Cloud Storage, Secret Manager)
  • AWS (Lambda, S3, EC2, IAM, Location, Textract)
  • MinIO (S3-compatible)
  • Nginx
  • Gunicorn
  • Vercel
  • Azure (certified)
  • DigitalOcean (Droplets, Functions)
  • Heroku
observability
  • Prometheus
  • OpenTelemetry
  • Sentry
  • New Relic
  • Elastic APM
  • structured logging
architecture
  • REST API design
  • Microservices
  • gRPC service contracts
  • GraphQL schemas
  • JWT auth
  • OAuth2
  • Caching
  • Query optimisation & indexing
  • Rate limiting
  • Serverless
  • Geofencing / real-time tracking
  • Payments & integrations (Razorpay, Twilio, Zoho CRM, Strapi, Google Maps)
testing_tools
  • Git
  • Pytest
  • Postman
  • Locust
  • Make
  • FileZilla
soft_skills
  • Problem-solving
  • Communication
  • Agile/Scrum
  • Team Collaboration
  • Documentation
also_worked_with
  • Next.js
  • React.js

GET /experience

Experience

Changelog — roles shipped, newest first.

  1. v3.0

    Software Engineer · Infinite Locus

    India · Oct 2025 – Present

    • Leading backend development for quick-commerce logistics platform Zippee, building scalable microservices for Pickup & Delivery orchestration, Rider Shift Management, and geofence-based real-time tracking.
    • Build Go microservices (gin, gRPC + Protocol Buffers, GraphQL, ent on PostgreSQL) for fulfilment, tracking, notifications and partner integrations, instrumented with Prometheus metrics and OpenTelemetry tracing; ship through GitHub Actions to Kubernetes (staging, pre-prod, prod).
    • Designed distributed async processing pipelines using Redis (RQ, Pub/Sub) to handle high-throughput order lifecycle events and background logistics workflows.
    • Improved performance of multiple production APIs by optimizing database queries, caching strategies, and service coordination, reducing latency from 5s to 1s.
    • Authored technical design documents, resolved critical production incidents, and ensured reliability and scalability of logistics systems.
  2. v2.0

    Software Developer · Walkwel Technology

    Mohali, Punjab · Aug 2023 – Oct 2025

    • Built scalable backend systems for AI platforms, HR SaaS, and fintech applications using Django, DRF, PostgreSQL, and Redis.
    • Developed AI-driven workflows using LangChain including vector search (FAISS, ChromaDB), prompt orchestration, memory pipelines, and multi-LLM integrations.
    • Implemented asynchronous task processing using Celery for notifications, scheduled jobs, and data processing pipelines.
    • Containerized services with Docker and deployed on GCP Cloud Run with CI/CD automation via GitHub Actions, Nginx, and Gunicorn.
    • Optimized application performance through indexing strategies, query tuning, and scalable API design patterns.
    • Mentored junior engineers and participated in system design discussions and agile delivery cycles.
  3. v1.0

    Associate Software Developer · Walkwel Technology

    Mohali, Punjab · Feb 2023 – Aug 2023

    • Contributed to backend feature development using Django and DRF, implementing authentication flows, reporting modules, and dashboard APIs.
    • Supported debugging, database migrations, and deployment processes while learning production engineering practices.

Education

  • Master of Computer Applications (AI-ML) — Chandigarh University, Gharuan, Punjab Aug 2021 – May 2023
  • Bachelor of Computer Applications — Makhanlal Chaturvedi National University, Bhopal, MP Aug 2018 – May 2021

Certifications

  • Azure AI Fundamentals — Microsoft Apr 2023
  • Azure Fundamentals — Microsoft Apr 2023
  • Digital Marketing Course — Nandi Foundation Aug 2022
  • Smart India Hackathon — Indian Government Aug 2022
  • Python Certification — Coursera Jul 2022
  • DSA with Java Certification — Infosys Springboard Mar 2022

Spoken languages

  • English Professional Working Proficiency
  • Hindi Native / Full Professional Proficiency

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Contact

Open to backend engineering roles and collaborations. Pick a channel:

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