Karthik Mangala
Java Back-end Developer
About
Java Back-end Developer with over 3+ years of experience in the design and development of web and enterprise applications using Java and related frameworks. Proficient in building scalable back end systems and micro services using Spring Boot and Spring Batch. Expertise in back end design and development, skilled in creating Restful APIs and implementing CRUD operations using the Spring Boot framework. Experienced in implementing and optimizing batch jobs using Spring Batch for high-volume data processing, including integration with AWS S3 for cloud-based file handling. Hands-on experience with MySQL and PostgreSQL databases. Strong background in bug fixing, monitoring logs, and providing support to ensure system reliability and uptime for live applications. Solid understanding of Object-Oriented Programming (OOP) concepts and a passion for applying clean code practices. Comprehensive experience across all phases of the Software Development Life Cycle (SDLC), with strong problem-solving skills and a focus on delivering maintainable, high-performance code.
Skills & Expertise (21)
Work Experience
Associate Software Developer
SEROLE Technologies
Feb 2023 - Present
Developed and tested Restful APIs and maintained Spring Batch jobs for the TIPS insurance platform. Integrated AWS S3 with Spring Batch for reading and uploading data files to support cloud-based insurance workflows. Monitored logs, troubleshooted issues, and ensured system reliability and uptime. Used Postman extensively to validate API behavior and business logic. Verified screens and back end integration; coordinated issue resolution with team. Applied clean code practices focusing on scalability and maintainability.
Education
B-Tech in Electronics and Communication Engineering - Narayana Engineering College: NEC Nellore
- 2021 · Afghanistan
Certifications
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Skills (21)
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