About
Principal Software Engineer with 14+ years of experience building scalable, cloud-native backend platforms and distributed systems using Java, Spring Boot, Kafka, Kubernetes, AWS, and Azure. Experienced in system architecture, security, performance optimization, and technical leadership across enterprise applications.
Experience
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Principal Software EngineerLondon Stock Exchange GroupJun 2023 – Present
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Lead Software EngineerXpressbees LogisticsFeb 2022 – May 2023
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Senior Technical Staff MemberAthenahealthJun 2017 – Jan 2022
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Senior Software EngineerCerner HealthcareSep 2013 – Jun 2017
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Software EngineerTesco HSCNov 2011 – Aug 2013
Education
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B.Tech / B.E.Government College of Engineering and Ceramic Technology, KolkataComputer Science and Engineering
Skills
- Java <3 months
- JWT <3 months
- Microservices <3 months
- Spring Security <3 months
- Code Review <3 months
- Performance Optimization <3 months
- CI/CD <3 months
- Distributed Systems <3 months
- PL/SQL <3 months
- Design Systems <3 months
- API Design <3 months
- JUnit <3 months
- REST API Design <3 months
- Scalability <3 months
- Architecture <3 months
- Event-Driven Architecture <3 months
- RBAC <3 months
- OAuth 2.0 <3 months
- API Gateway <3 months
- Authentication <3 months
- Authorization <3 months
Tools / apps / platforms
- Amazon Web Services AWS <3 months
- Apache Kafka <3 months
- Apache Maven <3 months
- Docker <3 months
- Git <3 months
- Grafana Labs Grafana Cloud <3 months
- Jenkins CI <3 months
- Kubernetes <3 months
- Microsoft Azure <3 months
- Microsoft SQL Server <3 months
- MongoDB <3 months
- Okta <3 months
- Oracle <3 months
- PostgreSQL <3 months
- Prometheus <3 months
Projects
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Spring ShieldJava, Spring Boot, Spring Security, JWT, Okta, OAuth 2.0, API Gateway
Centralized authentication and authorization framework with reusable Spring Security-based authorization and microservice-level RBAC.
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Azure Cost OptimizationAzure, Kubernetes, Prometheus, Grafana
Analyzed workload utilization to right-size Kubernetes nodes and reduce monthly Azure infrastructure costs by 30%.