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Kaushik Biswas

SSE@SPAN | Ex- Infor | Schengen Visa Holder | Backend Developer | Java , Kotlin, Springboot, Micronaut, Microservices, PostgreSQL, Kafka, Docker , Redis, AWS | 500+ Leetcode

Bengaluru

6+ years of work experience

SPAN
Dec 20259 mosPresent

Bengaluru, Karnataka, India

Infor
Dec 20232 yrs 1 moDec 2025

India

1. Designed and developed APIs, including the Metric API and Login API, using the Micronaut framework, enabling the Adoption Team’s migration to the Infor User Analytics (IUA) platform and supporting data visualization in Amazon QuickSight dashboards. 2. Implemented complete ETL (Extract, Transform, Load) pipelines in PostgreSQL, improving real-time query performance by up to 90% through optimized data sorting and transformation. 3. Deployed solutions on AWS, ensuring high availability, scalability, and seamless integration with other cloud services. 4. Developed and integrated a Recommendation System using Amazon SageMaker, leveraging machine learning to deliver personalized screen recommendations based on user activity.
Mphasis
Dec 20212 yrs 1 moDec 2023

Hyderabad, Telangana, India

Experienced Java Spring Boot developer with 2.5 years of hands-on expertise in designing, developing, and deploying robust and scalable applications. Proficient in leveraging Spring Boot's features to streamline development processes and enhance application performance. - As a part of 5 member team ,I Contributed the development of a microservices-based trading platform's (SAC) login module using OAuth 2.0 authentication and authorization for Charles Schwab, utilizing Spring Boot to achieve rapid development, enhanced scalability, and improved user experience. - Designed and implemented RESTful APIs for that application , enabling secure and efficient data exchange between different services. - Collaborated with cross-functional teams to deliver a real-time analytics dashboard using Spring Boot and WebSocket technology, providing stakeholders with valuable insights. - Optimized database queries and implemented caching mechanisms, resulting in a 40% reduction in application response time and improved overall performance. - Actively participated in code reviews, mentoring junior developers, and promoting best practices to improve code quality and maintainability.
GENPACT
Apr 20219 mosDec 2021

Hyderabad, Telangana, India

● Part of a 4 member team, primary tasks were to gather requirements , writing error free code for the pre-developed module. ● Written shell scripts for health checks of the application and utilized Splunk as a debugging tool to diagnose and resolve issues in complex environments. ● Participate in on-call rotations to address critical incidents outside of regular business hours. ● Contributed to the automation of routine tasks by creating Splunk dashboard which reduced health checks timing and debugging timing by 50%.
Unified Infotech
Jun 20207 mosDec 2020

Kolkata, West Bengal, India

- Developed of a Asset Management system using Laravel, enabling efficient data tracking and streamlined customer interactions. - Implemented user authentication and role-based access control , ensuring secure access to different application. - Enhanced application performance by optimizing database queries and implementing caching mechanisms, resulting in a 20% reduction in page load times.

Kaushik’s AI Stack

claude code
claude code
claude
claude
cursor
cursor
gemini
gemini
ChatGPT
ChatGPT
Figma Make
Figma Make

Education

Guru Nanak Institute of Technology , Kolkata

B. Tech, Electrical Engineering

Guru Nanak Institute of Technology , Kolkata

20164 yrs2020

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Headline

SSE@SPAN | Ex- Infor | Schengen Visa Holder | Backend Developer | Java , Kotlin, Springboot, Micronaut, Microservices, PostgreSQL, Kafka, Docker , Redis, AWS | 500+ Leetcode

About

I'm Kaushik, a dedicated Java developer with 5+ years of hands-on experience in crafting robust and efficient backend solutions. My passion for coding and drive to create seamless user experiences have fueled my journey in the world of software development. Key Skills: Java | Kotlin | Micronaut | Spring Boot REST | gRPC | Protobuff | Microservices Architecture Database Design | SQL | postgresSQL | Kafka| Docker | AWS Problem Solving | Code Optimization Data Structure and Algorithms

Location

Bengaluru

AI stack

claude code

claude

cursor

gemini

ChatGPT

Figma Make

Work experience

Senior Software Engineer at SPAN, Dec 2025 - Present · 9 mos, Bengaluru, Karnataka, India

Software Engineer at Infor, Dec 2023 - Dec 2025 · 2 yrs 1 mo, India, 1. Designed and developed APIs, including the Metric API and Login API, using the Micronaut framework, enabling the Adoption Team’s migration to the Infor User Analytics (IUA) platform and supporting data visualization in Amazon QuickSight dashboards. 2. Implemented complete ETL (Extract, Transform, Load) pipelines in PostgreSQL, improving real-time query performance by up to 90% through optimized data sorting and transformation. 3. Deployed solutions on AWS, ensuring high availability, scalability, and seamless integration with other cloud services. 4. Developed and integrated a Recommendation System using Amazon SageMaker, leveraging machine learning to deliver personalized screen recommendations based on user activity.

Software Engineer at Mphasis, Dec 2021 - Dec 2023 · 2 yrs 1 mo, Hyderabad, Telangana, India, Experienced Java Spring Boot developer with 2.5 years of hands-on expertise in designing, developing, and deploying robust and scalable applications. Proficient in leveraging Spring Boot's features to streamline development processes and enhance application performance. - As a part of 5 member team ,I Contributed the development of a microservices-based trading platform's (SAC) login module using OAuth 2.0 authentication and authorization for Charles Schwab, utilizing Spring Boot to achieve rapid development, enhanced scalability, and improved user experience. - Designed and implemented RESTful APIs for that application , enabling secure and efficient data exchange between different services. - Collaborated with cross-functional teams to deliver a real-time analytics dashboard using Spring Boot and WebSocket technology, providing stakeholders with valuable insights. - Optimized database queries and implemented caching mechanisms, resulting in a 40% reduction in application response time and improved overall performance. - Actively participated in code reviews, mentoring junior developers, and promoting best practices to improve code quality and maintainability.

Software Associate at GENPACT, Apr 2021 - Dec 2021 · 9 mos, Hyderabad, Telangana, India, ● Part of a 4 member team, primary tasks were to gather requirements , writing error free code for the pre-developed module. ● Written shell scripts for health checks of the application and utilized Splunk as a debugging tool to diagnose and resolve issues in complex environments. ● Participate in on-call rotations to address critical incidents outside of regular business hours. ● Contributed to the automation of routine tasks by creating Splunk dashboard which reduced health checks timing and debugging timing by 50%.

Application Developer at Unified Infotech, Jun 2020 - Dec 2020 · 7 mos, Kolkata, West Bengal, India, - Developed of a Asset Management system using Laravel, enabling efficient data tracking and streamlined customer interactions. - Implemented user authentication and role-based access control , ensuring secure access to different application. - Enhanced application performance by optimizing database queries and implementing caching mechanisms, resulting in a 20% reduction in page load times.

Education

B. Tech, Electrical Engineering, Guru Nanak Institute of Technology , Kolkata