Supply Chain Senior Developer

Hemasekhar Tirumalasetty

Dallas, GA ️ ***********************@*****.*** +1-470-***-**** LinkedIn

Summary

** ***** ** ********** ** design, development and implementation of Enterprise applications, collaborating with multiple teams within the ecosystems. Designing resilient API’s that can handle huge loads and quick response times. Hands-on experience leading teams across the Globe.

Experience

Full Stack Senior Developer The Home Depot (Ocher Technology) Apr 2022 – Present

Handling the integration between upstream teams and loading information into the WMS via direct SQL inserts and XML postings. The team is responsible for loading SKU updates, Customer Orders, Vendor Orders, transfers etc. as well as sending out Shipment info to the downstream teams. Complete

End to end retail supply chain management includes Inventory forecasts and distribution networks. Integrations with Purchase order Managements, COM and core Merchandising. Daily updates to Finance with Physical Inventory snapshots.

Skills:

Cloud & DevOps: GCP (GKE, Pub/Sub, Cloud SQL), Kubernetes, BigQuery, Logstash, Pivotal Cloud, Azure.

Backend: Java, Spring Boot, Spring Cloud, Hibernate, RESTful APIs, Microservices using Reactive Sring Webflux, Elastic Search.

Databases: MongoDB, PostgreSQL, MySQL, Oracle, SQL Server, Redis

Frontend: ReactJS, HTML5/CSS.

Messaging & Streaming: Kafka, Pub/Sub

Performance & Monitoring: Grafana, AppDynamics, SLO Dashboards

Testing: JUnit, RestAssured

CI/CD & Security: Jenkins, GitHub Actions, OAuth2, Single Sign-On (SSO)

Contributions and responsibilities:

·Leading key initiatives of project planning and designing with cross teams for Supply chain Integration Systems Go-Live.

·Design, implement, and manage scalable cloud architectures on Google Cloud Platform (GCP).

·Develop Spring Boot microservices and deploy them in GKE (Kubernetes Engine).

·Implement Pub/Sub messaging for asynchronous communication.

·Automate incident response with Cloud Functions & PagerDuty.

·Use Cloud Logging, and Grafana for observability.

·Build and maintain CI/CD pipelines using GitHub Actions, and Jenkins.

Tracking the application performance using Grafana, AppDymanics and SLO Dashboards.

Technical Manager & Senior Software Engineer Ford Motor Company May 2019 – Apr 2022

Designing solutions, integrating with feature teams, providing API’s for ford.com website.

Project: Subscriptions as a platform used by Ford Pass application to enable and manage the all- feature subscriptions and enrollments using respective core teams. Including both retail and fleet business, processing EV charge data records invoicing, debit Memos and bill run batches using Zuora workflows. Includes generating payment receipt emails to customers. Handling both free trial version and paid products with region/country specific functionalities.

Responsibilities:

·Analyzing the requirements and providing the best design and solutions including the estimates.

·Developing API’s and Zuora workflows to handle Invoices, debit memos and bill runs.

·Handling the feature rollouts to all EU countries. And implementing based on product/country rules.

·Improved API response times by 30% and ensured 99.99% uptime through, circuit breakers, and load balancing strategies.

·Key decisions for continuous deployment strategies.

·Production deployments to pivotal and support them post deployment

·Reviewing the code components that are being developed.

·Attend design discussions with cross team architects and leads.

·Hosting platform meetings with quarterly metrics.

·Configuring dashboards for metrics and presenting to business.

·Knowledge transfer sessions across the platform.

Senior Developer The Home Depot (TCS) Jan 2012 – May 2019

Engineered Flow schedule & Inventory Planning parameters Logistics and Operational Reporting

SFC Operations Automations

Project #1: Engineered Flow schedule & Inventory Planning parameters

The Engineered Flow Schedule (EFS) application designed to optimize the supply chain distribution network. It optimize the merchandise flow reducing lead-time from 12 to 3 days. EFS is data for all supply chain related activities relating to Supply Chain Sync.

Data that is included in EFS

All Supply Chain, Order Location by SKU / Destination, Transportation details, Timing of all supply chain related activities, Parameters for ordering

Develop using TDD.

Involving on all design meetings and architecture designs.

Reviewing the code with other team members.

Attended status meetings and status calls.

Delivering in sprints, usually bi-weekly delivery and presenting to user’s walkthrough the application.

Develop applications using frontend ReactJS and backend Spring boot webservices.

Developing regression test cases post deploying to QA using RestAssured.

Deploying the applications to the Multi-zone Cloud environment using the pipelines. Configuring all user provided services, setting up the user management, security to the applications using single sign on(SSO).

Tracking the application performance using Grafana, appDymanics and SLO Dashboards.

Supporting the applications in productions usually Devops model.

Environment: Spring boot, Spring Data JPA, Java Batch, HTML5, AngularJS, Micro services, Pivotal Cloud Foundry

Project #2: Logistics Operational Reporting

Role: Full Stack Developer

The Logistics Operational Reports Portal (LORP) application used in the Distribution centers to generate the operational reports by DC users. The Operational reports helps to improve the resource planning and improves the productivity. It also helps to track the daily activities in the Distribution centers

Gathering business requirements in the form of use cases.

Develop UI pages using JQuery framework.

Develop unit test cases. In addition, unit test the application in all browsers, tablet devices, and fix issues if any. Automating all test cases using Java selenium.

Review the code with the lead other team members.

Attended status meetings and status calls.

Delivering in sprints, usually weekly delivery and presenting to user’s walkthrough the application.

Deploying the applications to the Cloud environment using the pipelines. Configuring all user provided services, setting up the user management, security to the applications using single sign on (SSO).

Support for any related tickets from Users for any production issues.

Environment: Java, HTML5, CSS3, JSON, JQuery/JavaScript.

Project #3: SFC Automation

Role: Automation Engineer

Automating Testing of SFC Stock, Transit, and FLOW ILPN’s Flows complete end-to-end test cases using Java selenium, report the test flow to Users as HTML page, and update the status to ALM. Using the HOMER Framework for the test development, which is behavioral data driven (BDD).

Gathering functional test cases.

Developing automation scripts for all the modules using HOMER framework a complete end to end testing framework handles multiple functions.

Update to ALM, generate the test results capture the screenshots and video screen recoding and update to SQHub.

Automating cross browser test cases of the application in all browsers and tablet devices and fix issues if any.

Review the code with the lead other team members.

Demonstrate the developed module to business In-Sprint sessions and implement business feedbacks if any.

Reporting the test results on daily run of our automation scripts through Jenkins.

Environment: HTML, CSS, JavaScript, Java Selenium.

Project #4: Emergency Visibility, Supply Chain Management

Role: Full Stack Developer

Description: During an emergency, a large team mobilizes in the Store Support Center and focuses on expediting product to our stores and customers. After Hurricane Sandy, a post mortem conducted to address how The Home Depot handled the emergency response efforts. This provide better visibility into emergency freight and shipment status and shipment ETA’s to our stores.

Analysis of business requirements.

Prepared system design specifications and sequence diagrams for the required feature implementation.

Develop Rest Web service calls for necessary UI interaction.

Develop web services as well as UI for the new modules.

Generate PDF and Excel reports for the Shipments using Apache POI and itext pdf.

Code walkthroughs, Debugging and Error fixing.

Code Version control using SVN and code development using eclipse.

Unit testing the application in internet explorer and Mozilla firefox.

Project Deployment using Tomcat server.

Environment: Java/J2EE, SQL, Web Services, HTML, JavaScript, JQuery.

Education

Bachelor of Engineering (Electronics & Communication) Andhra University (CGPA: 7.98) 2007 - 2011

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