Kunal Singh
Team Lead (Java)| Spring Boot | Microservices |REST API | Reactive Programming | Kafka | SQL | MongoDB | 10+ Years | Currently - Albertsons - Cognizant | Ex: SouthWest Airlines - Accenture, IBM - Capgemini, AT&T - Tech-M
- Role
- Senior Associate at Cognizant
- Location
- Asansol, WB, IN
- LinkedIn followers
- 500 followers
About Kunal Singh
I am a Senior Software Engineer & Technical Lead with 10+ years of proven experience building scalable, resilient, and high-performance distributed systems using Java, Spring Boot, Microservices, Kafka, REST APIs, and GraphQL. I have architected and delivered product-grade solutions for large enterprises in retail, telecom, airlines, and storage domains.My engineering philosophy centers on clean architecture, performance optimization, observability, automation, and measurable impact. I thrive in product-driven environments where ownership of systems from design to production is expected.I bring strong expertise in: Backend & Distributed Systems: Java 8/11, Spring Boot, Microservices, REST, GraphQL, event-driven services Streaming & Messaging: Apache Kafka (producers, consumers, schema design, partitioning, fault tolerance) Reactive & Scalable Architecture: Reactive Programming, non-blocking services for real-time workloads Data & Persistence: SQL/NoSQL databases, data modeling, performance tuning DevOps & Automation: CI/CD pipelines, Maven, Git, automated deployments Observability & Monitoring: Splunk, Grafana, centralized logging and metrics analysis Product Engineering Practices: Agile/Scrum, TDD, pair programming, design reviewsI regularly collaborate with cross-functional teams including Product Managers, QA, UX, and DevOps to translate business requirements into scalable technical solutions that are reliable, performant, and maintainable. I take end-to-end ownership — from architecture and coding to deployment, production monitoring, and customer feedback loops.I have been recognized for technical excellence, solution-driven innovation, on-time delivery, and leadership mindset through multiple ACE awards, client awards, and internal recognitions. I am passionate about mentoring engineers, improving team productivity, and driving best practices.My primary interest is in product companies solving complex, large-scale problems where high-quality engineering and system design matter. I’m open to Senior / Staff / Principal Engineer roles where I can drive technical strategy and measurable product impact.
Experience
Senior Associate
Feb 2022 — Present · Kolkata, IN
Working as a Java Fullstack Developer. Working as a Team Lead (Java) on retail/pharmacy domain project using Java17, Spring Boot, Reactive Programming, REST, Graphql, Kafka, Azure Sql Server, Data modelling,Drool Engine, Scheduler and Microservice Architecture.
Education
The University of Burdwan
Bachelor of Computer Applications
West Bengal University of Technology, Kolkata
Master of Computer Applications
Deshbandhu Mahavidyalaya
BCA, Computer Application
ICSE
Class 12
ICSE
Class 10
De Nobili School
Class 10
De Nobili School
Class 12, Commerce
Meghnad Saha Institute Of Technology(MSIT)
Master of Computer Applications - MCA, Computer Application
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