Karthickeyan Narasimhan Email & Phone Number

Boston, Ma, Us

Natick, Ma, Us

- Founding SRE for the Enterprise Platform Engineering team.- Leading Chaos Engineering Initiative for BizApps and Internal Developer Platform (on EKS) using Gremlin.- Built an Enterprise Trust website using NextJS for high-level health overview & security posture of Platforms, applications, and Infra.- Leading Solr Cluster migration from On-prem to AWS including strategizing, architecting, and core migration.

Atlanta, Georgia , Us

Half-Time Instructional Associate for CS 6750 Graduate Level Global Entrepreneurship course.

Atlanta, Georgia , Us

CS 8803-O17: Global Entrepreneurship by Dr. Keith McGreggorObtained Full Tuition Waiver with a monthly stipend.

San Mateo, California, Us

My responsibilities include managing a team of three SRE Engineers, mentoring them, delegating and reviewing work, defining a roadmap for backend infra, working on quarterly AWS cost budgets, being actively involved in system design for new and upcoming product features, enforcing infra standards across the team, and implementing frameworks that improve engineering productivity.Key Accomplishments:- Transitioned all microservices to Docker and deployed them on Kubernetes (EKS) shifting towards an automated CI/CD pipeline with support for Blue/Green deployments.- Instituted an on-call rotation system in Freshmarketer, ensuring all engineers participate in handling prod issues. Developed a comprehensive framework including guidelines, on-call handoff procedures, incident reporting, and an escalation matrix.- Implemented Delayed Read Replica in RDS to mitigate human errors in the database and reduced recovery time from ~4 hours to less than a minute by promoting the replica to Master.- Developed a Python-based Data Migration Service (DMS) capable of cloning the entire data of one organizational account to another. Supported data stores include Elasticsearch, Cassandra, MySQL, and S3.- Onboarded NOC teams to manage application alerts, downtime, and AWS outages around the clock. Provided comprehensive SOPs covering application functionality, health check endpoints, and disaster recovery procedures. Conducted disaster recovery dry-runs as part of the training program.- Collaborated with the InfoSec team to bolster application security. Organized bi-weekly security cadences to ensure ongoing vigilance.- Deployed load-based autoscaling for apps running on OpsWorks, optimizing resource utilization and performance.- Successfully migrated the Elasticsearch cluster from version 2.3.6 to 5.1.1, enhancing performance and capabilities.- Adopted the Teleport tool for server SSH access, replacing IAM user access keys to enhance security and streamline access management.

San Mateo, California, Us

I am a member of the Core-tech team, serving as a Solution Architect for Freshmarketer. Primary go-to person for new tech implementations, addressing complex engineering challenges, debugging production issues, enhancing engineering productivity, and proactively tackling scalability and performance concerns.Key Contributions:- Spearheaded AWS Cost Optimization efforts and saved more than $100k.- Developed scripts to automate data center provisioning in the EUC, IND, and AUS regions.- Directed the end-to-end implementation and audit support for SOC2 and GDPR compliance.- Acted as the Designated Responsible Individual (DRI) for the External VAPT Audit for Freshmarketer.- Designed and implemented strategies for business continuity and disaster recovery.- Introduced canary deployments in the production environment.- Enforced CIS benchmarks to standardize AWS security.- Containerized microservices using Elastic Container Service (ECS).- Authored Chef cookbooks using Berkshelf for AWS OpsWorks integration.- Managed data center migration, cross-region backup of stateful servers, enforced encryption for EBS and S3, documented system and network architecture/DFD diagrams, and implemented log rotation and backup (Glacier) for audit purposes.Implemented and Configured from Scratch for Freshmarketer:- Monitoring: Datadog, Trigmetry (In-house; Influx stack with Grafana)- APM: New Relic- Uptime Monitoring: Freshping- Status Pages: Freshstatus- Alerts and On-call Management: PagerDuty, Opsgenie, Iris-Oncall (FOSS)- Log Management: Graylog (FOSS), Haystack (Internal)- Static Code Analysis for SAST: SonarQube- AWS Services: ECS, EKS, SQS, SNS, RDS, CDN, Route 53, EC2 (all), VPC (all), Session Manager, Secret Manager, CodeBuild, CodePipeline, etc.Others:Nginx(Reverse Proxy), Kafka, Redis Labs, Elasticsearch, Cassandra, MySQL

San Mateo, California, Us

Full-Stack Developer for Freshmarketer( Marketing Automation Suite) product. Highly involved in performance, scalability, and cost optimization of the product.Important Contributions:- Multiple staging stacks for QA members to test parallelly.- Application Restructure: lazy loading slow DB calls, Query optimization. Improved performance by 80%- Implemented pagination and search capability inside the application.- Implemented advanced segmentation feature with granular level segment filters.- Standardized build automation in Gradle, Reduced product build time drastically by simplifying Gradle tasks.- Acted as a consultant for a new product and provided solutions for build automation, ORM installation, DB automation, and App Containerisation.- Integrated our product with Freshchat by pushing Session Replay Data from Freshmarketer to Freshchat's Event Timeline.- Aided in Rebranding Zarget to Freshmarketer. Especially, Re-branding all integrations with Freshmarketer and providing backward compatibility support for old users. List of Integrations Rebranded are:Google Analytics with import goals, Google Tag Manager, Google Apps for G-Suite, Wordpress, Joomla, Drupal, Magento, Mixpanel & Kissmetrics.Implemented & configured from scratch:- Netlify - Replacing AWS-hosted Cpanel - Saved $10k/year- FlywayDB - Automate SQL Migration- JOOQ - ORM for Java- Docker - For Containerization- Terraform - For creating multiple staging stacks for QA purposeOthers:Java, Git, JIRA, Jenkins, AWS

(Zarget got acquired by Freshworks in Aug 2017, I was one of the acqui-hires)Hired as a 10th Engineer, directly reported to CTO. Involved in building a world-class CRO(Conversion Rate Optimization) suite, evaluating certain technologies and their feasibility, and delivering a complete solution that makes the customer understand better.Tech Stack: EmberJS, Java, Gradle, Redis, ElasticSearch, MySQL, REST APIs- Implemented Seamless integration of Zarget CRO tool with third-party services like:WordPress, Joomla, Drupal, Shopify, Magento, Mixpanel, Kissmetrics, Hubspot and Intercom.Nature of Work: Developing plugins for individual services, Submitting it to their App Store, Understanding & Using the 3rd party service APIs, Front-end development, writing backend APIs, Data Modelling.- Buk Audience Upload: Helps users to upload the audience from CSV/TSV file to be used in advanced targeting based on query params & cookie value.- Form Analytics Plugin: helps users to set up form analytics on any page through the Chrome Extension.- Improved the backend integrity of the tool - optimized the code and introduced standard methods for the common functions.- Represented Zarget in MagentoLive conference held in Bangalore and gained knowledge on Magento plugin development best practices, Magento 2.0 marketplace strategy, plugin submission timelines, Plugin Security and networked with Magento Community Head and Tech Architects which helped us launch ourZarget <-> Magento 2 Integration in no time.

Portfolio:https://srmnightingaleschool.edu.in/http://stbrittosmhss.edu.in/https://srmeaswari.ac.in/Also, Designed Departmental Symposium & college cultural Websites

SaaS-based Warehouse Management SystemFeatures:-Storage Assignment, Order Picking & Customer Segmentation-Dockerization of the entire web-appData Mining Algorithm Used:-Apriori & predictive Apriori Algorithm-Naive Bayers, ID3, J48, Random Forest, Decision Table, JRip Algorithm

Chennai, Tamil Nadu, In

Responsibilities:1. Student Representation from the IT department.2. Co-Organized our Department's Annual National-level Symposium.3. Hosted several events and Tech Workshops.4. Co-organized and arranged Industrial Visits, Educational Tour.5. Acts as a liaison with companies for Industrial Visits and Internships for the Students.

Tech news, How-to tutorials, DIY projects & Reviews of new gadgets.

Chennai, Tamil Nadu, In

Features built for Welding Simulation tool;Internet Auto Dialer, Report Generation for the Simulator

Master Of Science - Ms, Computer Science

Bachelor Of Technology - Btech, Information Technology

Group: Pcmc (Physics, Chemistry, Maths, Computer Science)