Senior Software Engineer | Team Lead

Building reliable cloud systems that scale and cut costs.

7 years of experience with Python, AWS, and Django. Lead a team , driving client-facing delivery, and shipping event-driven products across e-commerce, social platforms, and booking systems.

  • Reduced AWS monthly billing by 44%
  • Improved geolocation API response time by 60%
  • Implemented CI/CD for Lambda from VS Code to GitHub to AWS
  • Built complex integrations using multiple AWS services across scalable architectures
  • Assisted teams in designing system architecture and making key technical decisions
Portrait of Sunny Sourav

7+

Years Experience

6

Team Members Led

30

Day Notice Period

Noida

Current Location

About

I design and deliver cloud-native backend systems focused on performance, resilience, and business outcomes. My core strength is turning complex business requirements into clean architecture and production-ready services. I collaborate directly with clients, mentor engineers and interns, and keep delivery aligned to measurable impact.

Experience

Mindfire Solutions

Senior Software Engineer | Jul 2021 - Present

  • Lead architecture and delivery for Python/AWS solutions across multiple client projects.
  • Manage a team of 6 engineers and interns; conduct mentoring and project-readiness training.
  • Partner directly with clients to define scope, priorities, milestones, and release expectations.
  • Built event-driven services using Lambda, API Gateway, SQS, DynamoDB, and EventBridge.
  • Implemented proactive monitoring and automated incident alerts (SES/Slack).

Entity Vibes

Software Engineer | Aug 2019 - Jun 2021

  • Built backend modules and REST APIs using Django/DRF for web and mobile products.
  • Developed real-time features with Django Channels and WebSockets.
  • Integrated third-party services for payments, notifications, messaging, and social auth.
  • Deployed and managed production workloads on AWS EC2 with Nginx/Daphne stack.

Featured Projects

OmniCommerce Manager

Python | AWS Lambda | SQS | DynamoDB | API Gateway

Unified order, inventory, and shipping sync across Amazon, Shopify, Walmart, and other channels through asynchronous microservices.

PetSocial Networking Platform

Django | DRF | Django Channels | React | Firebase

Built geolocation-based user discovery and real-time chat with WebSockets plus auth, notifications, and payment integrations.

Sports Event Management App

Django | DRF | PostgreSQL | Razorpay | Firebase

Delivered booking/payment workflows, FCM push pipeline, and Pytest coverage for critical transactional journeys.

Skills

Backend

Python, Django, DRF, Flask, Django Channels, REST API Design, Microservices

Cloud & DevOps

AWS Lambda, API Gateway, SQS, DynamoDB, RDS, EC2, S3, SES, EventBridge, CloudWatch, Docker, CI/CD, GitHub Actions

Databases

PostgreSQL, MySQL, Redis, DynamoDB, Firebase

Integrations

Stripe, Razorpay, Twilio, Google Maps API, Firebase, Web3.js, Ethers.js

Contact

Open to Senior Software Engineer and Lead Engineer opportunities.