Santosh Lokhande

Lead Java Developer with 8+ years of experience designing and building scalable, high-performance microservices using Java 8–17, Spring Boot, Spring Cloud, Kafka, AWS, Docker, and Kubernetes. Strong expertise in distributed systems, cloud-native architecture, performance optimization, event-driven design, and team leadership. Proven ability to lead projects end-to-end, mentor teams, and deliver reliable systems in fast-paced environments.

Lead Assistant Manager - Lead Software Engineer - Clairvoyant by EXL

(2021-12)

• Led development of distributed microservices native to the cloud using Java 11/17, Spring Boot, Spring Cloud, improving system scalability and throughput.
• Designed and delivered secure high-availability REST APIs for internal and external integrations that support millions of requests/day.
• Architected and deployed backend services in AWS ECS (Fargate), enhancing deployment speed and eliminating server-management overhead.
• Implemented an event-driven architecture using Kafka, reducing coupling and improving performance.
• Optimized DB queries and caching reducing API latency by 30%.
• Led a team of 4–6 developers, performing code reviews, technical guidance, hiring support, and mentorship.
• Collaborated with business stakeholders, architects, and QA teams to ensure on-time delivery of major releases.
• Containerized applications using Docker and deployed them on Kubernetes clusters.

Manager - Java Developer - Quinstreet Pvt Ltd

(2017-11 - 2021-12)

• Developed and maintained backend modules using Java 8, Spring MVC, and Spring Boot for high-availability enterprise applications.
• Built and maintained RESTful APIs following HTTP standards and OpenAPI documentation, reducing integration issues.
• Implemented ORM solutions using Hibernate/JPA and optimized complex queries across Oracle and PostgreSQL.
• Integrated Spring Security for multi-module authentication and role-based access control.
• Worked closely with front-end teams to deliver smooth end-to-end API integrations.
• Participated in requirement analysis, system design, and architecture discussions.
• Produced API documentation using Swagger/OpenAPI, improving developer onboarding time.
• Active contributor in Agile ceremonies (Sprint Planning, Grooming, Reviews, Retrospectives).

Project Intern - Defence Research and Development Organisation (DRDO) - New Delhi

(2016-07 - 2017-05)

• Worked on Elliptic Curve Cryptography (ECC) and solved discrete logarithm problems up to 63-bit key sizes.
• Implemented Pollard's Rho Algorithm in C with CUDA for GPU-based parallel computation.
• Conducted performance analysis and optimized cryptographic algorithms for speed and efficiency.

Master of Technology - Computer Science - Shivaji University