I am Kumar Rajendra Mallina

Name: Kumar Rajendra Mallina

Profile: full stack developer

Email: [email protected]

Phone: +91 8688851185

Skill

Datastructures & Algorithms

Low Level System Design

Object Oriented Programming

Solid Principles & Design Patterns

High Level Design

Programming Languages & Database

Java

Java Script

Groovy

Shell Script

My-SQL

Frameworks

Springboot & Hibernate

Angular

React

Web Technologies

HTML

CSS

Bootstrap

CLOUD

AWS

OCI(Oracle Cloud)

CI/CD & Others

GIT

Bit Bucket

Docker

About me

Founder of CodingMaxima.com

Software Architect & Full-stack Developer

Working as Software Architect and Full-stack developer of codingmaxima.com the Ed.Tech application. Leading the team of 6 members who are working in different roles in codingmaxima. Early engineer built the codingmaxima.com from scratch. Designed the system architecture which supports the high user traffic. Implemented the Back-end services(REST API s) using spring boot. Implemented the security modules of codingmaxima.com. Created different technologies syllabus and content with different coding questions. Designed the front-end architecture and well maintained user interface(UI). Create and Manages the AWS cloud environment where the codingmaxima.com is deployed. Designed the cloud pipelines in AWS and automation process to deploy latest builds.

Oracle | Application Developer IC2

April 2022 – Nov 2022| Hyderabad, India

Worked in Oracle Utilities Analytics (UGBU Team) product as Application Developer. Designed and implemented the forecasting power usage consumption analytics on Oracle CCS platform which will enhance the customer experience with various analytics related power utility. And extended this functionality to other utilities like water & gas. Worked on fraud detection models like no consumption, flipped meter and unauthorized consumption for Oracle utilities and integrated with utility platform. Implemented a micro service application for handling validations & transforming utility insights payloads and integrated with weather forecast service.

TechMojo | Member of Technical Staff (Java)

June 2021 – April 2022| Hyderabad, India

Worked in PEP & Sanction Merchant Screening project as Java Back-end developer. We developed and maintained APIs to perform PEP & Sanction verification on each customer at the time of on boarding and their financial transactions. For every match the APIs performs the customer (KYC) regulations when the match is true as politically exposed persons (PEP) or Sanction (restrictions imposed on individuals) checks as part of the customer on-boarding process and when performing transactions.

EPAM Systems | Junior Software Engineer

Sep 2018 – June 2021 | Hyderabad, India

Developed and automated REST API calls which used to build BlackBerry UEM (Unified Endpoint Management) services which provides an integrated view of users, devices, apps and policies, across multiple ownership models and platforms also worked in BlackBerry ECS (Enterprise Common Services) project. Where we implemented some set of utility services which used for some internal usage.

AWARDS & ACHIEVEMENTS

Winner of Coding Dojo in EPAM

PatOnBack Award in 2019 & 2020

First2Finish Application

Winner & Runner in GVIT Technical Fest

Winner of Code Debugging Technical Event

Others


Spardha2k17 (24 Hours-Nonstop) Hackathon 3rd winning team.

Winner Coding Contest (Anveshana - Techno Cultural Fest 2017).

Placed in Top 10 in Humble pool Charity Hackathon 2017 by Top coder.

Runner of Coding Contest Anveshana-2016 event.

Prticipated Several online Compitative Coding Contests in HackerRank, HackerEarth and CodeChef etc.

EDUCATION

BTech | Computer Science & Engineering
Sasi Institute of Technology and Engineering
JNTUK University(2015-2018)

Diploma | Computer Science
Smt.B.Seetha Polythechnic (2011-2014)

Projects

CODINGMAXIMA.COM

  • Leading the team of 6 members who are working in different roles.
  • Created Application from the scratch.
  • Designed System Architecture & UI Architecture.
  • Designed REST Service APIs which creates the all operations of the codingmaxima.com
  • Implemented different data model which can to present and process data of the users of codingmaxima.com
  • Implemented a special user interface architecture which user can move from any place just within the 4 max clicks.
  • Designed the CI/CD and cloud deployments of the codingmaxima.com in AWS.
  • Created and maintained the Oracle Cloud buckets to handle the all animation videos and class recording videos of the codingmaxima.com
  • Designed the security model for the codingmaxima.com by integrating with the google login APIs with help of AWT tokens.

PEP & Sanction Merchant Screening

  • Designed and maintained different business solutions to screening the different kind of customers data.
  • Designed data model for customer information and the transaction details.
  • Pulling the data (customers transaction information) from the AWS – S3 storage and deliver to the kafka topic.
  • Consumed the data from the kafka topic and screening the information to check whether the customer is true match for PEP or Sanction with the help of integrating the third-party APIs (Lexis-Nexis) into the application.
  • Used Eureka Service Discovery which holds the information about all the services. 
  • Implemented search customer functionality and auto document submission flow.

BlackBerry UEM (Unified Endpoint Management)

  • Life Cycle (SDLC) such as Development and integration.
  • Implemented and updated different API calls using Spring framework which are used to build BlackBerry UEM services. Involved in creating basic SQL for CRUD operations and advanced SQL for procedures.
  • Applied SOLID Principles and Test Driven Development (TDD) approach in implementation of the API services.

BlackBerry ECS (Enterprise Common Services)

  • Involved in implementation of different set of API calls and API flow automations.
  • Works with the infrastructure tools development team and implemented different scripts to setup environments and worked on the DB updation and log verifications dashboard result preparation.
  • Used Collections, Generics and Design Patterns.
  • Used GIT version control system and used Jenkins to deploy builds in CI/CD pipelines
  • Have good knowledge on Unit testing using Junit and TestNG.