Summary
Overview
Work History
Education
Skills
Certification
Certifications
Timeline
Generic

Gowtham K

Chennai

Summary

Accomplished Java Backend Developer with expertise in CI/CD automation and Kubernetes management at CBTS. Enhanced security by resolving SQL Injection vulnerabilities and optimizing session handling. Demonstrated strong problem-solving skills and effective collaboration with security teams, to reduce the application vulnerabilities. Proficient in Java programming and AWS deployment.

Overview

9
9
years of professional experience
1
1
Certification

Work History

Java Backend Developer

CBTS
03.2022 - Current
  • Analyzed and resolved SQL Injection vulnerabilities by replacing string concatenations with prepared statements and parameterized queries.
  • Designed and developed Java/JSP web modules for internal applications, integrating Servlets and JDBC for backend operationa.
  • Built and maintained Kubernetes clusters on AWS (EKS) for hosting Java applications.
  • Automated CI/CD pipelines in Jenkins to deploy both Java applications and containerized services.
  • Fixed Cross-Site Scripting (XSS) issues using input sanitization and output encoding in JSP pages.
  • Implemented CSRF tokens in forms to prevent Cross-Site Request Forgery.
  • Secured session handling (HttpOnly, Secure cookies, session timeout, avoiding URL rewriting).
  • Migrated hardcoded credentials, configurations, into encrypted property files, or environment variables.
  • Performed code reviews to identify and fix insecure coding patterns in JSP and Servlets.
  • Troubleshoot Java application issues in production, focusing on session handling, authentication, and DB connectivity.
  • Added input validation for form fields (e.g., email, password, numeric fields).
  • Coordinated with security teams to test and patch vulnerabilities found in legacy JSP-based systems.

Java Developer Intern

Reliance JIO
05.2020 - 03.2022
  • Participated in code reviews to ensure adherence to best practices and standards.
  • Collaborated with development team to design and implement Java applications.
  • Troubleshot and resolved software defects in existing applications efficiently.
  • Assisted in the design and development of JSP/Servlet-based web applications as part of a live project.
  • Participated in bug fixing and troubleshooting of legacy JSP pages, resolving backend issues.
  • Integrated form validation, authentication, and session management in JSP modules.
  • Performed unit testing with JUnit and participated in peer code reviews.
  • Worked closely with the senior development team to understand the SDLC (Agile methodology) in a live project environment.
  • Documented code changes, prepared technical reports, and contributed to knowledge transfer (KT) sessions.
  • Engaged in Agile methodologies during project planning and execution phases.

NOC engineer

Altran Technologies (Nokia)
02.2018 - 03.2020
  • Project deployment and Acceptance test.
  • Operation and readiness confirmation acceptance done for Vodafone Hutchison Australia.
  • Having good knowledge in U2000 server tool for BTS and for Alarm monitoring. NSN remedy tool.
  • Performed configure all 18 alarms including the ELTEK and Environmental Alarms in GSM BTS/3G BTS Remotely and check the status with tech on site.
  • Remote acceptance was provided for newly installed equipment's through NMS and remote access servers.
  • Maintaining site take over and hand over documents after completing the planned activity.
  • Hand on knowledge in Huawei Equipment's. Complete node testing was done for all newly installed equipment's in VHA.
  • Coordinating with the clients and customers. Providing advises for clearing alarms in newly installed equipment's.
  • Outage coordination for the site tech caused during the time of activity, which follow up with Incident ticket which caused by Change management ticket using ITSM Tool.
  • Complete test was done remotely and also with support of field tech before tacking the node to VHA control. Over all owner for project implementation in VHA.
  • We are the responsible persons to review the new sites with corresponding documents of all technology and handover the sites to customer.

Desktop Support Engineer

Vara United
10.2016 - 04.2017
  • Managing the user account and computer account with policy and profile.
  • Creating/updating OS image for Desktop and Laptop.
  • Installing and Updating Anti-virus software's like Norton, Symantec and troubleshooting the virus problems.
  • Migration of old (Work-group) profile to new (Domain) profile. Creating User Account and Password reset.
  • Creating and domain profile for particular users.
  • Responsible for system Assembling and Software Installation for clients.
  • Knowledge in TCP/IP and Internet Configuration.
  • Configuring and Troubleshooting Outlook related issues to all users and taking backup in mail servers.
  • Installing and configuring all type of Printers, Scanners and other peripherals.
  • Troubleshooting and maintaining the systems, printers, scanners.

Education

Master of Science - Cyber Forensics And Information Technology

Madras University
04-2024

BE - ECE

Vel Tech High Tech Engineering college
Chennai

HSC -

ST.Joseph's Matriculation & Higher Secondary School
Chennai

SSLC -

ST.Joseph's Matriculation & Higher Secondary School
Chennai

Skills

  • Java programming
  • CI/CD automation
  • Kubernetes management
  • HTML and JavaScript
  • CSS
  • Servlets and JSP
  • GIT
  • Jenkins
  • Problem solving
  • Debugging
  • Linux
  • AWS

Certification

AWS Certified Solutions Architect – Associate Issued by Amazon Web Services Training and Certification.

Certifications

08-2024

Timeline

Java Backend Developer

CBTS
03.2022 - Current

Java Developer Intern

Reliance JIO
05.2020 - 03.2022

NOC engineer

Altran Technologies (Nokia)
02.2018 - 03.2020

Desktop Support Engineer

Vara United
10.2016 - 04.2017

Master of Science - Cyber Forensics And Information Technology

Madras University

BE - ECE

Vel Tech High Tech Engineering college

HSC -

ST.Joseph's Matriculation & Higher Secondary School

SSLC -

ST.Joseph's Matriculation & Higher Secondary School

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