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Sayani Koley

@sayanikoley

I build enterprise full-stack applications with Java, Spring Boot, Angular, AWS, microservices, and GPT-based AI features.

India

Message

What I'm looking for

I'm looking to contribute as a full-stack developer on a dynamic team, building innovative, high-quality software that meets user needs and business goals while expanding my skills through new challenges.

At Happiest Minds Technologies, I design and develop RESTful APIs and microservices using Java and Spring Boot, deploying and managing them on AWS.

I build responsive Angular modules, use Node.js and Python for backend integrations and scripting, and design scalable SQL and NoSQL databases. I also implement Jenkins CI/CD pipelines, monitor performance, and improve system reliability.

My background spans enterprise full-stack development, educational-domain applications, and RPA automation at Reliance Industries. I'm exploring GenAI and have practical experience embedding GPT-based AI features into enterprise-grade applications.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Happiest Minds Technologies

Jul 2023 - Present (3 years 3 months)

Designed and developed RESTful APIs and microservices using Java (Spring Boot), deployed and managed on AWS.
Built responsive front-end modules with Angular, ensuring seamless user experience.
Utilized Node.js and Python for backend integrations and scripting.
Designed and optimized SQL and NoSQL databases for scalability.
Implemented CI/CD pipelines with Jenkins for continuous integration and dep

Software Engineer

Happiest Minds Technologies

Oct 2021 - Aug 2023 (1 year 10 months)

Joined as a software engineering and started working in the educational domain, initially started with Java, Spring and Mockito, currently moving forward towards Angular.

Fellowship

BridgeLabz

May 2021 - Oct 2021 (5 months)

Joined as a Java-Full Stack Developer with knowledge in Java, Spring, MySQL and Angular. Worked on multiple small applications on both frontend and backend tech-stacks.

RPA Developer

Reliance Industries Limited

Jun 2019 - May 2020 (11 months)

Joined as a fulltime intern and worked on multiple in-house projects for automating the websites, downloading and storing data, replying to mails, and many more.