MANISHANKAR KUMAR
Noida
Summary
Seasoned Backend Staff Engineer with 11 years of experience in designing and scaling distributed systems in BFSI and SaaS environments. Expertise in microservices architecture and high-concurrency backend systems. Developed production-grade GenAI platforms, including Retrieval-Augmented Generation architectures and LLM orchestration, while optimizing performance and ensuring secure AI integration within compliance-sensitive systems.
Overview
12
12
years of professional experience
Work History
Senior Software Engineer
Clearwater Analytics
Noida
01.2022 - Current
- Designed and implemented RAG-based GenAI pipelines using LangChain and Azure AI Search.
- Integrated retrieval with LLM orchestration to deliver domain-aware responses.
- Implemented hallucination mitigation strategies and structured output validation to enhance output accuracy.
- Optimized retrieval tuning and token management to reduce latency and control costs.
- Worked on fine-tuning strategies to improve model reliability.
- Built ingestion systems for document preprocessing, embeddings, and vector indexing.
- Strengthened observability using CloudWatch, OpenSearch, and Dynatrace.
Java Backend Technical Lead
Capgemini
Gurgaon
01.2021 - 01.2022
- Led design and implementation of backend microservices architecture with Spring Boot to enhance system scalability.
- Designed secure API gateway integrations with Kong and Keycloak to strengthen application security.
- Guided CI/CD enhancements and performance tuning initiatives to optimize deployment processes and application performance.
Senior Associate
Societe Generale
Bangalore
01.2018 - 01.2021
Software Engineer
TCS
Gurgaon
01.2014 - 01.2018
Education
Bachelor of Technology - Computer Science and Engineering
Government Engineering College
BikanerSkills
- Microservices design
- Distributed Systems Architecture
- Cloud-Native Architecture
- GenAI engineering
- LLM orchestration
- System reliability
- Data Streaming and Processing
- Java
- Python
- Kotlin
- JavaScript
- TypeScript
- Spring Boot
- Hibernate
- Quarkus
- Docker
- Azure
- Azure
- Kubernetes
- Kafka
- Spark
- PostgreSQL
- MySQL
- MongoDB
- Oracle
- Azure AI Search
Awards And Professional Recognition
- Second Place - DevCon, Clearwater Analytics Engineering Event.
- Consistently rated as a high-performing engineer across organizations.
- Recognized for backend modernization and platform-level improvements.
Core Expertise
- Distributed Systems Architecture
- Microservices and API Platform Design
- GenAI Platform Engineering (RAG, Embeddings, Vector Search)
- LLM Orchestration and Prompt Engineering
- High-Concurrency and Multithreaded Systems
- Cloud-Native Architecture (AWS, Azure)
- System Reliability and Observability
- Data Streaming and Processing (Kafka, Spark)
Timeline
Senior Software Engineer
Clearwater Analytics
01.2022 - Current
Java Backend Technical Lead
Capgemini
01.2021 - 01.2022
Senior Associate
Societe Generale
01.2018 - 01.2021
Software Engineer
TCS
01.2014 - 01.2018
Bachelor of Technology - Computer Science and Engineering
Government Engineering College