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Parisha Aggarwal

@parishaaggarwal

Message

I build scalable Scala microservices and retrieval-driven AI systems for real-time search.

India

Message

What I'm looking for

I'm looking to work on large-scale search infrastructure, distributed systems, and information retrieval, building scalable backend services and retrieval-driven AI applications.

At Qvantel, I improve distributed Scala microservices by expanding unit test coverage from 33% to 70%, supporting multi-tenancy, and helping migrate services from Akka to Apache Pekko.

I've built retrieval-driven AI applications including HybridRAG, which combines FAISS, BM25, reciprocal rank fusion, cross-encoder reranking, and FastAPI endpoints for real-time semantic search. I also developed a LangGraph-based multi-agent research assistant with Planner, Researcher, Critic, and Writer workflows.

I'm interested in large-scale search infrastructure, distributed systems, and information retrieval, bringing hands-on experience with Scala, Python, FastAPI, CI/CD, Docker, Kubernetes, and LLM pipelines.

Experience

Work history, roles, and key accomplishments

Current

Associate Software Engineer

Current

Qvantel

Jun 2025 - Present (1 year 2 months)

Improved unit test coverage of a microservice from 33% to 70% by designing and implementing comprehensive test cases, identifying and debugging defects, and strengthening code reliability within CI/CD-based development workflows. Contributed to implementing multi-tenancy support across distributed microservices and assisted in migration from Akka to Apache Pekko.

Scala Git Jenkins Microservices Unit Testing CI CD Akka Pekko