Summary
Overview
Work History
Education
Skills
Timeline
AssistantManager
Jayakesavan Muthazhagan

Jayakesavan Muthazhagan

Salt Lake City,United States

Summary

Innovate Lead Engineer with 18+ years of experience in building

scalable, secure, and high-performance systems. Deep expertise in

microservices architecture, cloud-native development, and distributed

systems. Proven track record of modernizing legacy applications into

resilient microservices, improving system throughput, and reducing

operational overhead. Strong hands-on skills with Java, Spring Boot,

Kafka, Node.js, Docker, Kubernetes, SQL/NoSQL, and AWS. Adept at

driving technical direction, mentoring engineering teams, and delivering

critical solutions in fast-paced environments.

Overview

18
18
years of professional experience

Work History

Lead Software Engineer

NICE (formerly InContact)
08.2022 - Current
  • Led migration of Advanced Find Match from monolith to microservices, increasing throughput 4x (25K→100K tx/min) and reducing latency by 75%.
  • Orchestrated transition from AWS Kinesis to Kafka Streams: improved end-to-end latency 60%, throughput 167%, 99.99% message delivery.
  • Delivered 8+ microservices with dynamic back-off strategies, boosting contact retries efficiency by 45% and processing 50K+ contacts daily.
  • Achieved 100% FIPS 140-2 cryptographic compliance across 9 regions; passed 3 consecutive security audits, zero critical findings.
  • Maintained 99.95% uptime for 6 critical apps, supporting 2M+ average transactions and zero major outages.
    Designed PostgreSQL contact routing system for 25M+ daily queries, reduced retrieval times by 55%.
  • Implemented AWS Lambda failover architecture achieving less than
    30-second failover times and 99.99% service continuity, preventing
    $1M potential revenue loss from service interruptions.
  • Built Grafana monitoring infrastructure, reducing MTTD by 70% and MTTR by 50%, preventing 95% service disruptions.
  • Provided production support, resolving 100+ critical incidents/year with 98% first-call resolution.

SDE II

LivePerson Inc.
06.2021 - 06.2022
  • Architected scalable applications for 15+ enterprise clients across 8
    sprints, achieving 100% on-time delivery through strategic planning and
    technical leadership.
  • Optimized KnowledgeBase microservice serving 50K+ daily queries,
    improving accuracy from 70% to 90% within 4 months, achieving 65%
    customer retention and reducing human agent escalations by 40%.
  • Enhanced knowledgebase match accuracy from 60% to 80% by crawling
    300+ brand websites and processing 10K+ documents using Microsoft
    QnAmaker and Elasticsearch with NLU optimization.
  • Engineered AI Workbench microservice handling 25K+ daily events
    across 12 brand integrations, improving customer service efficiency by
    40%.
  • Implemented KnowledgeBase API supporting 8 languages across 5
    geographic regions with full backward compatibility.
  • Developed ELK stack infrastructure processing 1M+ daily log entries
    across 10+ microservices, reducing debugging time by 60%.
  • Collaborated with 10+ stakeholders on trade-offs, reviewing 60+
    monthly PR commits with less than 24-hour turnaround time.
  • Achieved 85%+ code coverage across 10 microservices through TDD
    and Sonar Qube, reducing production bugs by 70% and maintaining 99.5%
    uptime.
  • Mentored 4 team members, conducting monthly knowledge-sharing
    sessions and reducing development blockers by 50%.

Sr. Software Engineer

Fidelity Investments
02.2015 - 06.2021
  • Led team of 8 developers providing business and technical expertise across
    5+ enterprise projects, managing requirements solicitation, system
    analysis, and documentation with 100% on-time delivery track record.
  • Prepared 25+ detailed functional specifications and design models for
    REST applications, creating comprehensive system workflows that reduced
    development time by 30% and improved code maintainability.
  • Managed 12+ team epics within strict deadlines, maintaining 98% sprint
    completion rate and delivering all past projects on schedule across
    18-month development cycle.
  • Architected multi-tenant microservices using Spring Boot framework for
    10+ clients, developing 20+ custom modules to cater to specific business
    needs and supporting 100K+ concurrent users.
  • Implemented Agile/XP practices including daily standup, pair
    programming, and retrospectives across 4 development teams, improving
    code quality by 40% and reducing bug rates by 35%.
  • Orchestrated PCF to AWS migration for 5 applications incorporating
    Route53, Load Balancer, and Lambda services, reducing infrastructure costs
    by 45% and improving performance by 60%.
  • Migrated 3 web applications from PCF SSO to Azure SSO, streamlining
    authentication for 10K+ users and reducing login failures by 50%.
  • Converted 1 monolith applications into 10+ microservices using
    Docker containers, Spring Boot, and 12-factor methodology, improving
    deployment speed by 70% and system scalability by 3x.
  • Implemented Threat Metrix integration across 12 applications,
    enhancing risk analysis capabilities and reducing fraudulent transactions by
    65% while strengthening authentication protocols.
  • Deployed two-factor authentication via Project Verify app for mobile
    users, securing 200K+ user accounts and reducing unauthorized access
    attempts by 80%.
  • Modernized authentication system with Ping Access/Federate and JWT
    solutions, improving user login experience by 40% and reducing
    authentication latency from 3 seconds to 800ms.
  • Reduced unwanted login traffic by 75% through BOT detection
    implementation in Akamai perimeter, identifying 100K+ daily BOT
    attempts and reporting to Fraud Investigation Unit.
  • Solved Account Takeover incidents using Deep Authentication and
    Behavioral Biometrics, reducing fraud cases by 90% while maintaining
    seamless user experience for legitimate transactions.
  • Implemented Identity proofing using Confirm.IO for High-Risk
    Transactions, processing 5K+ monthly verifications and reducing
    manual review time by 60% for money movement operations.
  • Enhanced mobile biometric authentication with IdentityX DAON
    integration for 200K+ users, achieving 99.7% authentication accuracy
    while ensuring zero biometric data storage for privacy compliance.
  • Protected 18+ microservices endpoints using WSO2 Gateway
    integration, maintaining 99.9% API availability and processing 1M+
    daily requests securely.
  • Collaborated with 10+ cross-functional stakeholders including
    business analysts and customers throughout project phases, maintaining
    95% stakeholder satisfaction ratings across all deliverables.

Senior Java Developer

IHS Global Inc
08.2013 - 01.2015
  • Architected and implemented comprehensive software solutions for Delivery Order Screen, enhancing operational efficiency and user experience through intuitive GUI design.
  • Led proof-of-concept development for HMMS Mobile App on Android platform, expanding service accessibility and mobile functionality.
  • Spearheaded development of GECO and Process Emission Control projects using JSF and Java, delivering robust environmental monitoring capabilities.
  • Provide high-level work estimates and assist in task planning & task allocation.
  • Mentored development teams in software best practices and design methodologies, fostering knowledge sharing and elevating team capabilities.
  • Orchestrated stakeholder engagement through systematic demonstrations and feedback collection, ensuring alignment with business requirements and user needs.

Technical Lead / IT Analyst

American Express / Tata Consultancy Service
03.2007 - 08.2013
  • Responsible for process analysis, requirements gathering, design, development, implementation, testing, and support of distributed web applications.
  • Developed, maintained, and supported applications in WebSphere, IBM MQ, and production environments for Secure Message Center application introducing real-time processing of customer messages to the Customer Representative platform (RNT).
  • Engineered Message Driven Bean business logic and JMS components, establishing robust message processing infrastructure for seamless customer service operations.
  • Orchestrated migration from RightNow MQ to Web service architecture, ensuring system modernization while maintaining operational continuity.
  • Spearheaded development of SMC Mobile app for Android platform, expanding service accessibility and enhancing customer engagement through mobile channels.
  • Managed end-to-end distributed web application lifecycle, from requirements gathering through deployment, fostering cross-functional collaboration and system reliability.

Education

Bachelor of Engineering - Electrical and Electronics

Anand Institute of Higher Technology (Anna University)
Chennai, Tamil Nadu
04.2006

Skills

    Languages & Frameworks:
    Java 17 (OpenJDK), NET, Spring (Core, MVC, Security, JDBC, Integration, ORM, WS), Spring Boot, Dropwizard, Guice, Hibernate, JPA, Python 3, JSP, Angular 9, React, HTML5, CSS3, Bootstrap, Nodejs, TypeScript, JavaScript

    Web & API Development:
    RESTful and SOAP Web Services, Swagger/OpenAPI, JMS, WSO2 Gateway, Apigee, Kafka (MSK), IBM MQ

    Databases & Storage:
    Oracle, DB2, MySQL, PostgreSQL, DynamoDB, Redis, Cassandra, Elasticsearch

    DevOps & Cloud:
    Docker, Docker Swarm, Kubernetes (EKS), AWS, GCP, Lambda, Jenkins, Maven, Git, GitHub Actions, Concourse, ArgoCD, uDeploy

    Monitoring & Observability:
    Prometheus, Grafana, AppDynamics, Datadog, Splunk, ELK Stack (Elasticsearch, Logstash, Kibana), JMX

    Testing & QA:
    JUnit, EasyMock, PowerMock, Selenium, Postman, JMeter, Parasoft SOA & Virtual, SonarQube, Veracode, Black Duck

    Tools & IDEs:
    IntelliJ, Eclipse, Visual Studio Code

    OS & Platforms:
    Red Hat Linux, Windows

Timeline

Lead Software Engineer

NICE (formerly InContact)
08.2022 - Current

SDE II

LivePerson Inc.
06.2021 - 06.2022

Sr. Software Engineer

Fidelity Investments
02.2015 - 06.2021

Senior Java Developer

IHS Global Inc
08.2013 - 01.2015

Technical Lead / IT Analyst

American Express / Tata Consultancy Service
03.2007 - 08.2013

Bachelor of Engineering - Electrical and Electronics

Anand Institute of Higher Technology (Anna University)

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