Java programming language and software platform , javascript , spring , struts , jsf , azure and github/gitlab , Oracle/Postgress, snyk tool , fortify tool , jfrog, Github copilot ,Angular ,
Ayan Chakraborty
Lead Java/Software Developer
Bengaluru,K9
Summary
I am an accomplished Lead Software Engineer with over 15 years of experience specializing in designing scalable and secure software systems. My expertise encompasses microservices, distributed systems, and leading cross-functional teams to successfully deliver complex projects. I focus on accelerating digital transformation initiatives, coordinating system migrations, and enhancing overall system reliability.
Overview
17
17
years of professional experience
4
4
Certifications
3
3
Languages
Work History
Lead Java Developer
Photon-SSETI
Bengaluru
09.2023 - Current
- Architected a Spring Boot Server-Side Event (SSE) microservice for synchronous and asynchronous communication to meet new business needs which resulted in significant improvement of time to process by 25% & availability by 10%.
- Migrated old legacy application which resulted in increase availability, scalability, performance improvement, less code and more generic & loose coupled.
- Optimized system features by overcoming shortcomings of existing Spring REST and Kafka implementations.
- Strengthened application security by fixing vulnerabilities through dependency upgrades and code refactoring.
- Resolved critical production defects to maintain high system availability.
- Leading development efforts on innovative software solutions
Technical Lead
Wipro
Kolkata , Dhaka , Bangalore , Pune
07.2014 - 07.2025
- Designed and implemented microservices architecture for a telecom client, successfully reducing system downtime.
- Mentored a team of 5+ junior and senior engineers, improving team productivity and onboarding efficiency.
- Managed full-scale migrations including Java migration, Build tool migration (Ant/Maven/Gradle), and Server migration.
- Designed and implemented UI features for monolithic applications and developed new features for business requirements.
- Automated testing processes by writing JUnit test cases to ensure robust code quality.
- A leading global information technology, consulting and business process services company
- Converted legacy SOAP services to a REST-based architecture, which simplified application code and architecture. Made it more secure , scalable . Performance improved by almost 10%.
- Coordinated with cross-department teams like QA, DevOps, and Support to ensure seamless end-to-end software delivery process.
- Mentored junior developers through regular 1-on-1 meetings, providing guidance on best practices, coding standards, and career growth opportunities.
Senior Software Engineer
RS Software
Kolkata
03.2013 - 07.2014
- T Developed a Java-based data migration tool/runnable jar for efficient data transfer. Resulted in significant save in time to migrate raw data to meet new architecture requirements. Approximately 10 plus tables were populated with the migrated data from raw data source with out manual intervention or BI tool.
- Updated UI features to maintain compatibility across legacy browsers (IE versions).
- Software development company specializing in creating solutions for businesses
Programmer Analyst
CTS - TA-CRM
Kolkata
08.2011 - 12.2012
- Developed a web application to display and manage real-time inventory for a retail store. Application gave an impacting visual approach to look in to the inventory of the store.
- Application data was migrated from main frame source and populated in to with application having more than 4 tabs to see data in different format and manage users .
- We had presented data in expandable table and chart format with tool tip in those days when UI applications were not such attractive. Also application meets standard performance requirement.
- IT services and consulting company
System Engineer
TCS
Kolkata
12.2008 - 08.2011
- Owned and upgraded a reporting module, fine-tuning performance to reduce generation time and improve data accuracy.
- Delivered technical enhancements and resolved long-standing defects.
- Changes made improved the report generation time by almost 30-40%.
- Information technology services, consulting and business solutions organization
- Resolved complex technical issues through effective problem-solving techniques and root cause analysis.
Education
Master of Computer Applications -
University of Burdwan
Burdwan, West Bengal01-2008
Skills
Java
Microservices
JavaScript
PLSQL
Java Spring
SpringBoot
Kafka
REST
Azure
Docker
Jenkins
GitHub
Git
SQL
NoSQL
Accomplishments
- Microservices Architecture Implementation
- Successfully architected microservices that significantly reduced downtime and improved system performance while mentoring a growing team
- Performance improved for two different application by at least 20%
- Successfully Application migration to new version and technologies
- Resolved product issue through consumer testing.
- Collaborated with team of 20+ in the development of VDBP/VFS
Software
Certification
[BPM], [PEGA]
Timeline
Java SE 8 Programmer , Udemy
10-2025
Developing Microsoft Azure Solutions, Udemy
09-2025
Certified Interviewer , Wipro Ltd
03-2024
Lead Java Developer
Photon-SSETI
09.2023 - Current
Technical Lead
Wipro
07.2014 - 07.2025
Senior Software Engineer
RS Software
03.2013 - 07.2014
[BPM], [PEGA]
02-2012
Programmer Analyst
CTS - TA-CRM
08.2011 - 12.2012
System Engineer
TCS
12.2008 - 08.2011
Master of Computer Applications -
University of Burdwan
Reading books , Occasional physical activities , visiting new places & people
Pega CSA level I done for project requirement