Lijah Babu Gongal (Lijah Gongal / Lijah) - Software Development Engineer & Backend Developer
200 OKArchitecting
Scalable Backends
& High-Speed APIs
Backend developer specializing in Python and FastAPI, with experience designing scalable APIs and backend architectures for SaaS, ERP and booking systems. Specializing in robust API design, PostgreSQL database architecture, multi-tenant RBAC systems, and Stripe subscription integrations.
Engineering robust backends with precision & passion
Computer Science graduate with deep experience building production Python & FastAPI applications.
I'm Lijah Babu Gongal (also known as Lijah Gongal or Lijah), a Computer Science & Engineering graduate with a passion for software engineering and scalable backend development. I thrive on the challenge of designing efficient, robust, and reliable systems that make a real impact.
What excites me most is creating backend systems that aren't just functional but highly optimized for performance and seamless integration turning complex ideas into well-crafted solutions.
In my free time I experiment with modern Python libraries and frameworks, channeling creativity into products that solve real-world problems.
My Core Engineering Principle
"Building backends that stay quiet, fast, resilient, and honest under load."
- Playing football ⚽️
- Painting & sketching 🎨
- Travelling new places 🗺️
- Cultural fests 🎊
- Exploring different foods 🍜
- Capturing pictures 📸
Education & Background
Academic credentials
B.Tech, Computer Science & Engineering
Vellore Institute of Technology · Vellore, Tamil Nadu, India
2020 — 2024Higher Secondary Level (+2 Science)
United Academy · Kumaripati, Lalitpur, Nepal
2018 — 2020
Language Proficiency
Communication skills
- NepaliNative
- NewariNative
- EnglishDET 130/160
- HindiFluent
Battle-tested tools & technologies
Specialized in modern Python backend ecosystems, relational & graph databases, and cloud DevOps.
Languages
6 Technologies
- Python
- SQL
- HTML
- CSS
- JavaScript
- TypeScript
Backend
7 Technologies
- FastAPI
- SQLAlchemy
- Django
- REST API Design
- Async Programming
- RBAC
- Pytest
Data
5 Technologies
- PostgreSQL
- EdgeDB
- SQLModel
- Pandas
- NumPy
Tools & Platforms
9 Technologies
- Docker
- Git
- GitHub
- Firebase Auth
- AWS S3
- Ruff
- FCM
- Stripe
- VS Code
Production System Architecture
How I design resilient, high-throughput backend services.
Client & Webhook Ingestion
HTTP / REST APIs · Webhooks · FCM
Inbound requests with Firebase Auth JWT tokens & Stripe webhooks.
FastAPI Core Services
Python 3.12 · Pydantic v2 · RBAC
Async request routing, dependency injection, and security layers.
Data & Persistence
PostgreSQL · SQLAlchemy 2.0 · EdgeDB
Repository pattern abstractions & relational graph schemas.
Cloud & Integrations
AWS S3 · CloudFront · Stripe API
Secure asset vaults, CDN delivery, and payment sync.
Where I've built production systems
Designing backend APIs, multi-tenant databases, microservices, and automated payment pipelines.
Python Backend Developer
- Develop backend services with Python and FastAPI for internal and client applications.
- Designed and implemented APIs for an e-commerce platform connecting producers and consumers.
- Built backend systems for an ERP platform and scalable schemas with PostgreSQL, EdgeDB and SQLModel.
- Implemented role-based access control (RBAC) for multi-user systems.
- Worked on a blog project using Strapi, exploring integration with EdgeDB.
Backend Developer
- Developed and maintained scalable backend services using FastAPI and PostgreSQL.
- Built organization management, user onboarding, role-based access control, credential management, and subscription features with Stripe integration.
- Integrated AWS services including S3 for secure document storage and CloudFront for efficient asset delivery.
- Implemented authentication and authorization using Firebase Authentication, ensuring secure access across organizations and users.
- Improved code quality through comprehensive pytest test suites, refactoring, performance optimization, and CI/CD best practices with Docker and Git.
Freelance Backend Developer
- Designed and developed backend APIs using FastAPI and PostgreSQL for SaaS and web apps.
- Integrated Firebase Authentication and Cloud Messaging for secure auth and push notifications.
- Built subscription-based systems with Stripe, including webhook handling.
- Developed layered, scalable backend architectures and containerized apps with Docker.
Featured production projects
Scalable ERP engines, organization credential management systems, and e-commerce platforms.
Let's build something
worth shipping
Have a backend service to architect, an API to optimize, or a full-time role in mind? My inbox is always open.