Zeya Karim

Software Engineer

Bihar, India $60/hr Hybrid Full-time 4+ yrs exp 99 · Outstanding

About

Software Engineer with 4+ years of professional experience designing, developing, deploying, testing, and maintaining scalable software systems across e-commerce, logistics, warehouse management, real estate, business operations, and engineering automation platforms. Experienced in full-stack and backend development using Python, FastAPI, React.js, Next.js, TypeScript, Node.js, PostgreSQL, Supabase, AWS, Docker, and CI/CD. Strong expertise in microservices, distributed systems, REST APIs, event-driven architecture, cloud infrastructure, database optimization, file processing, and production systems. Proven ability to lead engineering initiatives, mentor developers, collaborate with cross-functional teams, and deliver secure, scalable, and high-performance production-ready software in Agile environments.

Skills & Expertise (51)

Typescript Advanced

8.5/10

Years Exp

React.js Advanced

8.5/10

Years Exp

REST APIs Advanced

8.0/10

Years Exp

GitHub Advanced

8.0/10

Years Exp

Git Advanced

8.0/10

Years Exp

Postgresql Advanced

8.0/10

Years Exp

Express.js Advanced

8.0/10

Years Exp

Node.js Advanced

8.0/10

Years Exp

Next.js Advanced

8.0/10

Years Exp

JavaScript Advanced

8.0/10

Years Exp

Python Intermediate

7.5/10

Years Exp

REDUX Intermediate

7.5/10

Years Exp

Microservices Intermediate

7.5/10

Years Exp

Docker Intermediate

7.5/10

Years Exp

Unit Testing Intermediate

7.0/10

Years Exp

Jest Intermediate

7.0/10

Years Exp

Debugging Intermediate

7.0/10

Years Exp

Event-Driven Architecture Intermediate

7.0/10

Years Exp

Distributed Systems Intermediate

7.0/10

Years Exp

System Design Intermediate

7.0/10

Years Exp

Troubleshooting Intermediate

7.0/10

Years Exp

API Testing Intermediate

7.0/10

Years Exp

Nginx Intermediate

7.0/10

Years Exp

GitHub Actions Intermediate

7.0/10

Years Exp

Supabase Intermediate

7.0/10

Years Exp

SQL Intermediate

7.0/10

Years Exp

JWT Authentication Intermediate

7.0/10

Years Exp

Jira Intermediate

7.0/10

Years Exp

RabbitMQ Intermediate

7.0/10

Years Exp

Razorpay Intermediate

6.5/10

Years Exp

Sequelize ORM Intermediate

6.5/10

Years Exp

Prisma ORM Intermediate

6.5/10

Years Exp

PM2 Intermediate

6.5/10

Years Exp

Google Maps API Intermediate

6.5/10

Years Exp

FastAPI Intermediate

6.5/10

Years Exp

MongoDb Intermediate

6.5/10

Years Exp

PostGIS Intermediate

6.5/10

Years Exp

Socket.IO Intermediate

6.5/10

Years Exp

Redis Intermediate

6.0/10

Years Exp

Pillow Intermediate

6.0/10

Years Exp

NumPy Intermediate

6.0/10

Years Exp

OpenCV Intermediate

6.0/10

Years Exp

Cloudflare R2 Intermediate

6.0/10

Years Exp

Puppeteer Intermediate

5.5/10

Years Exp

OCR Intermediate

5.5/10

Years Exp

PDF Processing Intermediate

5.5/10

Years Exp

AWS (S3 AWS (RDS AWS (EC2 Tailwind CSS TanStack Query

Work Experience

Founding Full Stack Engineer

Sappey Foods PVT. LTD.

Mar 2026 - Present

Led the architecture and end-to-end development of a unified commerce platform supporting B2B, B2C, and D2C operations using React.js, TypeScript, Node.js, PostgreSQL, and Supabase. Developed premium customer storefronts and internal administration systems with real-time inventory management, dynamic pricing, and multi-channel product catalogs. Integrated Razorpay payment gateway with secure webhook verification and automated transaction processing while managing Linux-based production infrastructure using Nginx, PM2, Cloudflare R2, reverse proxy configurations, deployment automation, and application troubleshooting. Collaborated with stakeholders on system architecture, sprint planning, technical roadmap execution, feature design, and production issue resolution.

Senior Full Stack Engineer

GWARM Technologies PVT. LTD.

Apr 2025 - Mar 2026

Led and mentored a team of 6–7 engineers while driving technical architecture, code quality, sprint execution, and full software development lifecycle activities. Designed and developed an enterprise-scale ecosystem integrating e-commerce, warehouse management, and logistics operations with end-to-end order tracking. Built scalable microservices using Node.js, PostgreSQL, and RabbitMQ for asynchronous processing, integrated Google Maps API and PostGIS for real-time fleet tracking, geospatial queries, route optimization, and cash-on-delivery reconciliation, and implemented automated CI/CD pipelines using GitHub Actions and AWS to improve deployment reliability and release efficiency.

Full Stack Developer

DEPO24

Sep 2022 - Feb 2025

Worked as a Full Stack Developer in an Agile environment, contributing to the development of a large-scale building materials marketplace serving more than 5,000 product SKUs. Developed vendor and admin portals with role-based access control, integrated Shopify GraphQL APIs and Vinculum middleware for real-time multi-warehouse inventory synchronization, migrated the application's database from MongoDB to PostgreSQL using Sequelize ORM to improve data consistency and query performance, and actively participated in code reviews, debugging, testing, and continuous software delivery.

Teaching Assistant

Coding Ninjas

Feb 2022 - Sep 2022

Mentored more than 400 students in data structures, algorithms, full-stack JavaScript development, software architecture, and system design while providing one-on-one doubt resolution, reviewing coding assignments, conducting technical sessions, and helping students strengthen problem-solving skills and software engineering fundamentals.