Software Developer Senior

Nivethi Krithika Jeyaraj

Senior Software Developer Java Spring Boot AWS Microservices

847-***-**** **************@*****.*** linkedin.com/in/nivethi-krithika-jeyaraj

PROFESSIONAL SUMMARY

Java Developer with 7+ years of experience in designing and delivering scalable, cloud-native microservices using Java, Spring Boot, and AWS.

Proficient in optimizing system performance, implementing CI/CD pipelines, and migrating legacy infrastructures to AWS.

Experienced in mentoring cross-functional teams, driving process improvements, and resolving critical production incidents in Agile/DevOps environments.

EDUCATION

Georgia Institute of Technology Aug 2020-Dec 2023

Master of Science, Computer Science, GPA: 3.89/4.0

Thiagarajar College of Engineering, Affiliated to Anna University Jul 2008-May 2012

Bachelor of Engineering, Computer Science, GPA: 8.91/10.0

EXPERIENCE

Senior Software Developer Numpy Ninja Jul 2024 – Present

Engineered REST APIs using Spring Boot and OpenAPI spec, enabling seamless LMS integrations for 10K+ users.

Migrated systems from Heroku to AWS (EC2, RDS, S3), improving uptime; cut cloud expenses by 73%.

Automated CI/CD pipelines with GitHub Actions and Docker; reduced deployment time from 20 minutes to under 10. Authored a technical blog, link .

Streamlined DB management and environment configurations by leveraging AWS RDS and Systems Manager, resulting in a 30% reduction in manual administrative tasks. Authored a technical blog, link .

Optimized application performance with Ehcache, reducing response times from 500ms to under 300ms.

Developed secure authentication & password reset features using Spring Security, protecting 10K+ user accounts from unauthorized access.

Integrated 10 microservices with CloudWatch and logging pipelines, supporting 24/7 monitoring.

Created unit and integration tests using JUnit and Mockito to maintain over 95% code coverage and prevent regressions.

Technical Lead Capgemini (Formerly Aricent Technologies Ltd) Jan 2017 – May 2018

Led a team of 7 to deploy scalable systems that handled 2M+ daily transactions with improved stability.

Designed real-time policy updates with Kafka, reducing configuration lag by 40%.

Automated dynamic policy fetching with Spring LDAP, eliminating 2 out of every 5 manual configurations.

Performed 50+ live debugging and incident resolution on production environments, maintaining 98% system availability.

Senior Software Developer Capgemini (Formerly Aricent Technologies Ltd) Jul 2012 – Dec 2016

Built RESTful APIs for session border control, resulting in 3x faster session validation and enhanced QoS.

Implemented MongoDB and JDBC-based session management, reducing lookup latency by 20%.

Configured and tuned backend systems for reliability and resilience aligned with SLAs.

Resolved 300+ customer issues (P2 & P3) and handled 100+ high-priority (P1) escalations, ensuring 98% customer satisfaction.

Enhanced team efficiency by 10% through code reviews and process improvements.

Intern Capgemini (Formerly Aricent Technologies Ltd) Nov 2011 – Jun 2012

Implemented a registration module in a Voice over Internet Protocol (VoIP) system using SIP.

Collaborated with senior engineers to ensure robust, production-ready modules.

CERTIFICATIONS

AWS Certified Developer – Associate Jan 2025

TECHNICAL SKILLS

Languages: Java, C++, JavaScript, Python, HTML/CSS

Databases: MySQL, PostgreSQL, MongoDB, Redis, SQL, NoSQL

Cloud/DevOps: AWS (EC2, RDS, S3, Lambda, IAM), Docker, Kubernetes, GitHub Actions, CI/CD

Frameworks: Spring Boot, Spring Security, Spring Cloud, Hibernate, Kafka

Tools: Git, Jenkins, Maven, Gradle, Postman, JIRA, JProfiler, JMeter, IntelliJ

Testing: JUnit, Mockito, TestNG, Pact, TDD

Monitoring: CloudWatch, Prometheus, Grafana, Zipkin, Jaeger

Architecture: Microservices, Event-Driven, OAuth2, JWT, Circuit Breaker, Saga, Factory, Singleton

AWARDS & RECOGNITIONS

●Wow Award for Individual Excellence (Capgemini, 2017) - Recognized for handling critical escalation issues.

●Wow Award for Team Excellence (Capgemini, 2015) - Acknowledged for teamwork and project success.

●Snap Award for Team Excellence (Capgemini, 2014) – Honored for driving successful resolution of complex technical challenges in a collaborative team environment.

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