Java Developer Fullstack

Kalyan Sai Ratan

**************@*****.*** +1-216-***-**** https://www.linkedin.com/in/kalyan-sai-ratan/ Professional Summary

Highly skilled **Java FullStack Developer** with over 7 years of experience in **Java/Spring** development, specializing in the **Financial** and **Insurance** industries. Proven expertise in **Test Driven Development**, **Gitlab**, and

**CI/CD Pipelines**. Adept at working in **Agile** environments and enhancing legacy code with robust testing. Core Skills

• **Java/Spring Development**

• **Test Driven Development (TDD)**

• **Gitlab**

• **CI/CD Pipelines**

• **Financial/Insurance Data Terms**

• **Agile Methodologies**

• **Cloud Technologies**

• **Legacy Code Enhancement**

Certifications

• Certified Java Developer

• Agile Certified Practitioner (ACP)

Professional Experience

Cognizant Technology Solutions – Mar 2021 – Apr 2023

• Led a team of developers in designing and implementing **Java/Spring** applications for financial clients.

• Enhanced legacy systems by integrating **Test Driven Development** practices, resulting in a 30% reduction in bugs.

• Developed CI/CD pipelines using **Gitlab**, improving deployment efficiency by 25%.

• Collaborated with cross-functional teams in an **Agile** environment to deliver high-quality software solutions.

• Implemented **Approval Tests** to ensure compliance with financial regulations.

• Optimized cloud infrastructure to support scalable and secure application deployments.

• Trained junior developers on best practices in **Java** and **Spring** frameworks.

• Conducted code reviews to maintain high standards of code quality and performance. Comcast Corporation – Aug 2018 – Feb 2021

• Spearheaded the transition to **Test Driven Development**, enhancing code reliability and maintainability.

• Developed and maintained enterprise-level applications using **Java/Spring** for the insurance sector.

• Streamlined the integration of **CI/CD Pipelines** to accelerate release cycles.

• Engaged with stakeholders to gather requirements and deliver tailored software solutions.

• Implemented robust testing strategies to support legacy codebases.

• Facilitated **Agile** ceremonies to ensure team alignment and project progress.

• Enhanced system performance by optimizing database queries and application logic.

• Mentored team members on advanced **Java** programming techniques and tools. Key Projects and Impact

• Developed a financial data processing application that reduced processing time by 40%.

• Led a project to migrate legacy systems to cloud-based solutions, resulting in a 50% cost reduction.

• Implemented a comprehensive testing framework that increased code coverage by 35%. Education

Master of Science in Computer Science Aug 2023 – May 2025 Cleveland State University

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