Lokajit Subbaraja

+1-513-***-**** ad025q@r.postjobfree.com Chicago, IL US Citizen

SUMMARY

Software engineering professional with demonstrated experience providing project management, leadership, and mentoring. Skilled in collaborative full stack and microservices development, adhering to industry best practices and delivering comprehensive, maintainable solutions. Core competencies include:

Object-Oriented Programming Database Management Design Patterns System Design Web Security RESTful APIs Serverless Computing CI/CD Networking Systems Back-end Frameworks Web Performance Optimization Microservices Architecture Education: Motilal Nehru National Institute of Technology – Prayagraj, India July 2015 - May 2019 Bachelor of Technology in Computer Science and Engineering

● Skilled and efficient in building Web User Interface (UI) using Angular 15/14/13/12, AngularJS, ReactJS, .NET Core, ASP.NET MVC, HTML5, CSS3, XHTML, JavaScript, jQuery, Bootstrap, XML, JSON, REST API's.

● Good understanding and working experience in MVC frameworks such as Spring, Django, Express.js and Angular

● Significant experience in debugging and troubleshooting existing code using Chrome Developer Tools, Postman, VS code

● Experinced in using Angular APIs like @angular/http [For making HTTP requests], @angular/common [Common core things including form validation], @angular/router [Routing for our entire app], Reactive forms, Angular material.

● Experience designing and/or developing solutions for a Service Oriented Architecture (SOA)

● Strong experience in creating Tables, Views, Stored Procedures, Functions

● Participated in discussions with clients and followed Agile/Scrum methodology with 2 weeks sprint involved in daily Standup, status meetings, backlog meetings, spring retrospective and code reviews. Experience in banking, insurance and healthcare domains

● Experienced in configuring implementation of CI/CD and automated build process by using Jenkins and GitLab CI

● Experience with SDLC / Software Development Process Models, Agile & Scrum Model using JIRA, Rally, GIT, Jenkins, Ansible

● Experience in using the version controls like GIT and Bitbucket, and in automated build process by using Jenkins and Maven

● Expertise in all the phases of project life cycle from requirements gathering, analysis, system requirements specifications, high level and detail level designing, development, test planning and execution WORK EXPERIENCE

Capital One Financial Corporation – Full Stack Engineer - Credit Wise June 2022 – Oct 2023

● Card Tech (User Growth) - Credit Score Web Application CreditWise is a free credit score monitoring and reporting service offered by Capital One. Built on an Angular.js and React.js front-end framework, and an Express.js (Node.js) back-end framework utilizing RESTful API architecture for seamless communication. This microservices cloud architecture designed product is completely serverless launched on AWS integrating update calls to FICO and TransUnion.

Development of single page applications (SPA) in Angular 12-15 and domain migration to WCM (Chariot SPA). Enabled lazy loading and Micro UI, to reduce redirects and response time. Used re-usable components such as HTML5, SCSS JSON and Angular material.

Led Angular 12/13/14/15/16 and Node.js 16 - 20 updates, package/library dependency resolution and developed unit tests to upheld application currency. Angular-cli to generate components routes, pipes and unit tests.

Designed AWS microservices architecture for APIs leveraging AWS Lambda, API Gateway, DynamoDB for high performance NoSQL

Integrated UTM parsing for analytics and content indexing enhancing SEO performance, increased monthly new user sign up by 2000

Built user login backend components in the content manager by REST API consumption, enabling a variety of options via Bootstrap in front-end development for user experience. Programmed in JavaScript and Typescript.

Published Adobe Target activities for A/B and multivariate testing, tagging for analytics improving implementation strategy and scaling

Setup AWS CloudFront and CloudWatch for monitoring/logging, releases, spontaneous troubleshooting and performance bottlenecks

Integrated accessibility transcripts in adherence to the Web Accessibility Initiative (WAI) encoded into videos in our products following ADA Guidelines and W3Cs consensus based process.

Enabling security measures on serverless architecture using AWS such as MFA,Single Sign On, Digital Certificates, LDAP and IAM Tata Consultancy Services – Software Engineer - Global Healthcare Client June 2019 – June 2022

● Core Ops - Insurance Claim Generator & Producer Value Stream December 2020 – June 2022 Claim UI is an Insurance Claim Generator application that generates, manages, updates and tests various claims (Vision, Dental, Health etc.) utilized in user facing insurance applications for reliability and environment testing. Built on a Microservices based architecture in Angular 12 front-end and, Django and Java Spring back-end framework running on Microsoft SQL Server. Containerized by Docker and orchestrated via Kubernetes.

Spearheaded the Angular application transition to a microservices architecture leveraging Java SpringBoot and Microsoft SQL server

Implemented security layer leveraging JSON Web Tokens. Configured HTTPs protocols and SSL certificates to secure communication

Utilized Hibernate as the JPA provider to manage data querying entity relationships and data caching, resulting in improved data integrity

Setup CI/CD pipelines using Jenkins and Git for streamlined automation of build, JUnit for test coverage, and deployment processes

Executed a strategic initiative to migrate Node.js server clusters from CPC to Unity, ensuring uninterrupted performance and reliability

Revamped CRUD APIs in Node.js HTTP service with Kubernetes orchestration (Docker for local) for asynchronous event driven I/O operations

Adopted DjangoDB to create an XML parser for insurance claim data records, allowing users to upload data instantly rather than an hour

Built numerous RESTful APIs for larger complex DB operations in Spring Web MVC framework, focusing on robustness and stability

Led the offshore support team in 24/7 development and detection of critical behaviors. (Agile methodology)Rally used for reporting

Developed a Java automation testing framework utilizing Selenium WebDriver and Cucumber for evidence capture and review

Built scripts for data query and migration validation tests in Apache Kafka by analyzing data transfer in JSON, CSV, XPath and UAT

● Data & Analytics – Data and File Ingestion Hadoop June 2019 – November 2020 IBIS is a Oozie workflow creation engine for the data ingestion platform to populate the Data Lake. Built in Python to form an XML workflow scheduler to manage Apache Hadoop jobs in DAGs (Directed Acyclic Graphs). Integrating HIVE, Shell and Impala, it is a Lambda architecture based framework to transfer bulk data to RDBMS such as Oracle, Teradata, SQL Server, and DB2 with Hbase as the mediator. Also has a Scala based service for file ingestion during company merges into HDFS / Hadoop.

Orchestrated the Hadoop ecosystem for insurance transactional data using Oozie workflows for data ingestion across multiple platforms

Utilized Sqoop to import data from MySQL, Teradata, SQL Server, etc. into our Hadoop data lake for ETL, analysis, or further migration

Designed ingestion pipelines for batch scheduled processing; implemented complex query jobs that saved over a quarter of processing time

Developed scripts for ad hoc update of tables from various data sources with respect to their data mart for split on user behavior history

Optimized file ingestion strategy via Scala, from NAS onto CPC servers using Apache Kafka streams on Red Hat OpenShift container

Implemented Cucumber for functional, behavioral and regression testing with Jenkins attaining 97% test coverage from 82% for reliability SKILLS & INTERESTS

● Certifications: AWS Solution Architect Associate

● Programming: Java, Python, Scala, Bash, TypeScript, Angular, C/C++, MySQL

● Debugging Tools/IDE: Chrome Developer Tools, Visual Studio Debugger, Xcode, Eclipse, Wireshark, IntelliJ

● Version Control: Bitbucket, GitHub

● Web/App Servers: HTTP web server, Apache Tomcat, OpenShift, Microsoft SQL, AWS EC2

● Operation Systems: Windows, Mac, Unix and Linux

● Technologies: AWS-RDS/EC2/Lambda, Oracle SQL, Apache Kafka, Jenkins, Hue, OpenShift, Power BI, DataStage, Selenium, Docker, Git, React, NoSQL, MongoDB, Hadoop, Spark, Azure, Sequoia, GitLab CI/CD, Kubernetes, React.js, Cypress, JUnit, Splunk, Figma, Postman, Adobe Target, Adobe Analytics, HTML/CSS, Google Cloud, UX, CRON, Vue.js, GraphQL, Express.js, HBase, Postman, SOAPUI, JavaScript, RxJs, NgRx, Jasmine, .NET Framework

Contact this candidate