Saikeerthana Kuruba
Professional Summary
Backend Developer with 2 years of experience building Python-based backend systems using Django and FastAPI. Skilled in designing and shipping REST APIs, promotions and buyer-workflow services for an ONDC marketplace and logistics 3PL integrations. Strong experience with PostgreSQL schema design and query optimization, Redis caching, and Celery background workers for asynchronous processing. Implemented Pydantic validation, OpenAPI documentation, and Typesense indexing to improve API reliability and search relevancy. Experienced in containerized development with Docker and Git-based workflows, owning end-to-end features from API design to production support. Comfortable working across e-commerce and logistics domains, integrating third-party partner APIs, and delivering maintainable, testable backend services under fast release cycles.
Technical Skills
Work Experience
- Developed 8 REST API endpoints using FastAPI to implement core ONDC Buyer workflows and Promotions service interfaces.
- Engineered Django endpoints for the promotions engine to support SKU- and cart-level promotion rules and validation flows.
- Integrated ShopClues as the first seller-side partner by building authenticated REST clients and webhook handlers for buyer–seller messaging.
- Implemented Redis caching for product inventory and stock availability to offload frequent read queries from the database.
- Authored Celery background tasks for ONDC synchronization and cashback processing to ensure reliable asynchronous processing.
- Built asynchronous workers to update Typesense product tags after inventory and metadata changes to keep search indexes current.
- Optimized PostgreSQL queries using Django ORM and targeted raw SQL to reduce expensive joins and improve read performance.
- Standardized request validation and API contracts using Pydantic models and OpenAPI documentation to improve API consistency.
- Developed backend services with Django and FastAPI to expose shipment tracking and partner integration endpoints.
- Integrated multiple 3PL partner APIs with idempotent webhook handlers and reconciliation logic to maintain shipment state accuracy.
- Implemented Redis caching for recent tracking states to reduce database read frequency and improve API responsiveness.
- Built Celery workflows to process asynchronous tracking updates and manage retries for flaky partner endpoints.
- Designed PostgreSQL schemas and authored ORM migrations to model shipments, events, and auditable event trails.
- Containerized the development environment with Docker and formalized Git workflows to streamline on-boarding and local debugging.
- Developed FastAPI endpoints to expose Stargleam application features and server-side handlers.
- Implemented Pydantic request and response schemas to validate payloads and enforce type-safe parsing.
- Integrated backend REST APIs with React frontend components to enable end-to-end feature flows.
- Built and executed API tests using Postman to validate contracts and regressions during development.
- Optimized endpoint handlers for JSON serialization to reduce response payload sizes and improve perceived latency.
- Documented API contracts using Swagger/OpenAPI and assisted with CI validation of API changes.
Education
Achievements
- LeetCode Problem Solving: Solved 80+ LeetCode problems focused on data structures and algorithms.
- ONDC Integrations and Promotions Service: Delivered production-ready backend services for ONDC buyer workflows and a promotions service supporting multiple promotion types.
- Scalable REST API Development: Built scalable REST APIs with FastAPI and Django across e-commerce and logistics domains.
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