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Full Stack Engineer

Aryan AgrawalDesigning and shipping scalable web and mobile products with measurable impact.

I build backend systems, performance-first interfaces, and growth tools for high-traffic products. Currently in Bangalore and open to ambitious product teams.

2.5+

Years Building

10k+

Daily Users

600%

SEO Lift

5k+

Txn/Day

Featured Work

Freelance · AI Try-On Platform

PixelDrape.ai

End-to-end website for virtual try-on: users upload a photo, pick a dress, and receive a rendered preview.

Visit project
  • Built full frontend and backend; AI model integration provided by client
  • Image upload pipeline with storage, processing status, and notifications
  • Embeddable widget via a single script tag for partner sites

Outcomes

Full-stack delivery
Embeddable widget adoption
Faster launch for partners
2-step upload flow
Sub-10s render delivery
Script-tag integration
Next.js
React
Python
Django
Storage APIs

B2B Growth Platform

LMS · Lead Management System

Built an in-house lead pipeline that ingests multi-channel leads, auto-assigns owners, and keeps sales ops in sync.

  • Rule-based lead routing with priority queues and SLA timers
  • Smart dedupe to merge 18% of repeat leads into a single source of truth
  • Audit-ready activity timeline with role-based access

Outcomes

38% less manual effort
2.3x handling capacity
12% higher conversion
9,800 leads/week
99.4% assignment accuracy
1.2s avg queue latency
Django
React
MySQL
Redis

Payment Infrastructure

Payment Gateway

Payment gateway microservice that routes transactions, handles retries, and monitors failures for reliability.

  • Idempotent transaction layer with retries and exponential backoff
  • Dynamic routing based on success rate and latency scoring
  • Centralized reconciliation with automated alerting

Outcomes

5k+ transactions/day
78% fewer payment failures
30% faster settlement
4.8s P95 processing
3.2M monthly volume
99.95% uptime
Python
Celery
Redis
Docker

Growth & Retention

Referral Gaming Flow

Gamified referral engine with milestones, rewards, and viral sharing loops.

  • Tiered rewards with streaks, badges, and limited-time boosts
  • Fraud checks with device + user signal scoring
  • Shareable referral cards and campaign deep links

Outcomes

2.1x referral submissions
22% higher repeat usage
18% uplift in KYC completion
41% share-to-signup
12k referrals/month
0.6% fraud rate
Django
React
CleverTap
Branch

Field Compliance

Visit Management · ASM/BSM/RSM Audits

Audit workflow for retailer and service center visits with role-based questionnaires and geo-tagged evidence capture.

  • ASM/BSM/RSM-specific question sets with conditional scoring logic
  • Geo-fenced check-ins with image capture and timestamped evidence
  • Structured audit reports with auto-escalation for failed checks

Outcomes

48% faster audit cycles
35% fewer compliance gaps
92% audit completion rate
3,200 audits/month
2.4 km avg travel radius
0.7% invalid submissions
Django
React
PostgreSQL
Maps APIs

Behavior + Crash Tracking

Product Analytics Stack

Unified analytics layer across app and web to track user actions, crashes, and drop-off points.

  • CleverTap event taxonomy for funnel tracking and cohort segmentation
  • UXCam session replays to pinpoint UX friction and screen-level pain points
  • Sentry error + performance tracing with release health dashboards

Outcomes

Actionable funnel insights
Crash visibility across releases
UX fixes driven by data
120+ events tracked
25 key funnels mapped
18% task completion lift
CleverTap
UXCam
Sentry
Next.js

Mobile Delivery

ReleaseLane

Over-the-air updates for React Native with staged rollouts and rollback controls across iOS + Android.

  • Phased releases with canary cohorts and version gating
  • Automated rollback trigger on crash spike thresholds
  • App-store fallback for critical hotfixes

Outcomes

Rollouts in minutes
Safe rollbacks
6x mobile speed
92% update adoption
4x faster hotfixes
0.8% crash rate
React Native
CodePush
iOS
Android
Expo

Company Experience

Onsitego

Software Development Engineer

Aug 2023 - Present

Bangalore, India

  • Owned full-stack features in Django, React, and Next.js for 10k+ daily users across internal and customer-facing workflows
  • Designed a modular Lead Management System with routing, lifecycle states, validations, and role-based views
  • Built a gamified referral system with reward tracking, eligibility rules, and fraud prevention checks
  • Delivered a fault-tolerant payment gateway microservice with idempotent APIs, retries, and failure handling
  • Improved backend throughput by 40% using Redis caching, SQL query optimization, and Celery jobs
  • Built a visit management and audit system for retailer/service-center inspections on web + mobile
  • Implemented ASM/BSM/RSM audit flows with conditional scoring, geofenced check-ins, and image evidence
  • Collaborated with product, QA, and design teams to ship stable releases and debug production issues

Onsitego

Software Developer Intern

Mar 2022 - Jul 2023

Bangalore, India

  • Delivered over-the-air updates for React Native apps using Microsoft CodePush
  • Reduced release cycles from days to minutes with OTA update flows
  • Boosted mobile performance 6x using lazy loading, bundle optimization, and asset management
  • Built responsive UI components with React, TypeScript, HTML5, CSS3, and Material UI
  • Integrated Django REST APIs with frontend apps to improve consistency and reduce UI defects
  • Collaborated with backend teams to troubleshoot integration issues and improve stability

Tech Stack

Frontend

React
Next.js
TypeScript
HTML5
CSS5
Tailwind CSS

Backend

Python
Django
REST APIs
Celery
Redis

Mobile

React Native
Expo
CodePush
iOS
Android

Data & Infra

MySQL
PostgreSQL
MongoDB
Docker
AWS

Tooling

GitHub Actions
Sentry
CleverTap
UXCam
Segment
Branch.io

How I Build

Backend Systems

  • Microservices + REST APIs
  • Caching + async jobs
  • Reliability patterns

Frontend Experiences

  • Next.js + React Native
  • Performance budgets
  • SEO-first delivery

Delivery & Ops

  • Dockerized CI/CD
  • Sentry monitoring
  • Agile collaboration

Let's build something bold.

Available for full-stack roles, platform upgrades, and growth-focused product work.