Immediate Joiner Full Stack Developer

KISHOK KUMAR

Python Full Stack Developer

+91-637******* ***************@*****.*** linkedin.com/in/kishok-kumar Chennai, India PROFESSIONAL SUMMARY

Python Full Stack Developer with nearly 2 years of experience building scalable backend applications and production web systems in the financial services domain. Proficient in Python, Django, and FastAPI with hands-on expertise in REST APIs, GraphQL, Camunda BPMN workflow automation, real-time WebSocket systems, and CI/CD deployments. Comfortable taking end-to-end ownership of backend architecture, database design, and cloud infrastructure in Agile team environments.

EDUCATION

Dhanalakshmi Srinivasan Engineering College — Perambalur B.E. Computer Science and Engineering June 2019 – March 2023 Besant Technologies — Chennai – Velachery

B.E. Computer Science and Engineering July 2023 – April 2024 PROFESSIONAL EXPERIENCE

Origa Technologies — Chennai, Tamil Nadu — Financial Services / Lease Management Python Full Stack Developer May 2024 – September 2025 Tech: Python, Django, Graphene-Django, Camunda BPMN, Alfresco DMS, PostgreSQL, GraphQL, Chart.js, ApexCharts, jQuery, Underscore.js, Bootstrap

LMS — Lease Management System

• BPMN Workflow Automation: Built Camunda-driven lease approval flows (Sub-15L and Full Lease) supporting Own Lease and Syndication models with group-wise dynamic task assignment.

• Service Lease Pipeline: Aggregated inbound leads from Admin Portal, Marketplace, and Mobile App into a unified processing pipeline with Demand Draft and bank transfer payment flows for high-value transactions.

• GraphQL APIs: Designed and implemented GraphQL APIs using Graphene-Django for efficient querying of lease records, user roles, and workflow states.

• Document Management: Integrated Alfresco DMS for secure storage and lifecycle management of financial lease documents.

• Dashboards: Built interactive lease pipeline, status breakdown, and trend charts using Chart.js and ApexCharts rendered dynamically from backend APIs.

Lease Lite — SaaS MVP

• Full UI Ownership: Sole frontend developer alongside 1 architect and 2 backend developers — delivered all screens, validations, and dynamic pages with role-based conditional field rendering.

• Persistent Dashboard: Built a draggable card dashboard with per-user layout state saved to PostgreSQL via Django APIs, including real-time lease analytics charts.

• WYSIWYG Invoice Editor: Developed an interactive in-browser invoice editor supporting add, edit, and delete operations with pixel-accurate PDF preview — ensuring on-screen layout matches generated invoice output exactly.

Full Stack Developer November 2025 – April 2026

Tech: Python, FastAPI, WebSocket, FCM, PostgreSQL, SQLAlchemy, Alembic, Pydantic, Redis, RabbitMQ, MinIO, Jinja2, Razorpay, React, Tailwind CSS, GitHub Actions, Hostinger Yescart

• Backend Architecture: Led backend architecture and full development of a multivendor e-commerce platform for a friend's startup — designed system structure (Controller Service Repository Model) with clean separation of concerns.

• REST APIs & RBAC: Built 40+ REST API endpoints with role-based access control covering vendor onboarding, product and variant management, stock tracking, order lifecycle (order dispatch delivery return/replacement), and support ticketing.

• Real-Time: Implemented FastAPI WebSocket connections for live order status updates and real-time notifications in the web application.

• Push Notifications: Integrated Firebase Cloud Messaging (FCM) on the backend to trigger mobile push notifications for order updates, approvals, and alerts.

• Async Systems: Configured Redis for caching and RabbitMQ for async task queues — reducing response latency and decoupling notification delivery.

• Payments & Storage: Integrated Razorpay with webhook handling; used MinIO for media storage; generated PDF invoices using Jinja2 templating with Pydantic-validated data.

• Frontend & Deployment: Built Vendor and Admin panels in React with Tailwind CSS; deployed via manual CI/CD pipeline on Hostinger with Alembic migrations and zero-downtime restarts. TECHNICAL SKILLS

Languages: Python, JavaScript (ES6+), TypeScript

Backend: Django, FastAPI, Django REST Framework, Camunda BPMN API & Real-Time: REST APIs, GraphQL (Graphene-Django), WebSocket, Microservices Frontend: React.js, HTML5, CSS3, jQuery, Underscore.js, Django Template Engine, Tailwind CSS, Bootstrap Databases: PostgreSQL, Redis

ORM & Migrations: SQLAlchemy, Alembic

Messaging & Storage: RabbitMQ, MinIO, Amazon S3

Notifications: Firebase Cloud Messaging (FCM)

Data Visualisation: Chart.js, ApexCharts

Document Management: Alfresco DMS

Payments: Razorpay

Cloud & DevOps: AWS (EC2, RDS, S3), GitHub, Git, BitBucket, Hostinger Auth & Security: JWT, OAuth2, RBAC

Tools: Git, Postman, Swagger, Pydantic, Jinja2, VS Code, Agile / Scrum

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