Sesidhar Chittajallu - Frontend Developer & UX Designer

2021 - Present

Supervised the design and implementation of numerous web applications utilizing Angular.
Engineered reusable components and services to optimize code efficiency, Reduced page load times by 15% by optimizing backend APIs and services.
Utilized data structures such as priority queues and adjacency lists.
Strengthened application security through the deployment of advanced authentication and authorization protocols.
Optimized data retrieval processes by implementing hash tables and binary search algorithms, resulting in a 30% reduction in query response time.
Led a project to refactor legacy code with optimized algorithms, reducing execution time by 50% and improving maintainability.
Spearheaded the design and implementation of a responsive web application using React, improving user engagement by 40%.
Introduced a component library using Storybook, reducing UI development time by 25% and ensuring consistency across products.
Leveraged UI Router to define various application hierarchies and routing frameworks.
Adopted Webpack to manage and dynamically inject JavaScript and stylesheet files into HTML at runtime, optimizing both asset management and performance.
Assigned and managed work tasks, providing guidance and support while reviewing team members' outputs to ensure quality and alignment with project objectives.
Recommend business process flow improvements and communicate problem/resolution process to project management.

2019 - 2021

Involved in front-end applications and mobile applications for user-interactive (UI) web pages using web technologies like HTML5, CSS3, ES6 JavaScript, and Angular
Optimized data storage and retrieval in a web application using hash tables, leading to a 40% increase in performance.
Developed a search functionality using binary search trees, reducing search times by 25% compared to previous methods
Worked in many Angular projects using JavaScript, ES6, RESTful services, HTML5/CSS3/SASS/Bootstrap, and PrimeNg.
Familiarity with GUI frameworks such as AngularJS, Bootstrap, HTML5, and JavaScript.
Worked on JSON web tokens for authentication and authorization security configurations using Node JS.
Implemented custom directives for reuse across various modules in the application, promoting consistency and modularity.
Built a boilerplate template for new Angular applications and built essential services, including messaging, loading indicators, and authentication services, to streamline project initiation and functionality.
Executed component libraries help developers create a collection of reusable components for building websites and user interfaces.
Experienced in working with Spring's retriable events, enabling automatic re-invocation of failed operations. This feature is particularly useful for handling transient errors by ensuring resilience and reliability in system operations.

2019

2017 - 2019

Designed and implemented the user interface using HTML5, CSS3, JSON, JavaScript, React JS, and jQuery.
Expanded screens for the front end using React JS and used various predefined components from NPM and the Redux library.
Enhanced single-page applications using React-Redux architecture.
Experience in DOM, React Props, and Lifecycle methods, working with React States and Events.
Used React JS for building components and reactive user interfaces and used Redux for performing asynchronous calls.
Used React JS library functions for the logical implementation part on the client side.
Utilized React JS for its efficient data flow architecture to create a lightweight and render efficient web app.
Maintained states in the stores and dispatched the actions using Redux.
Worked on React JS Virtual Dom and React views, rendering using components that contain additional components called custom HTML tags.
Executed stable React components and stand-alone functions to be added to any future pages.
Applied ECMA Script 6 features, alongside Babel, Web Pack with ES2015, and React JSX presets.
Enforced the Drag and Drop functionality using React-Draggable.

2014 - 2015

Lifted the User Interactive web application in a professional manner using web technologies like HTML5, CSS3, Bootstrap, LESS, JavaScript, and Angular.JS, as per the company's standards.
Delivered and consumed .NET Web Services using SOAP data in SharePoint List.
Used AngularJS 1.5 as a framework to create a Single Page Application (SPA), which can bind data to specific views and synchronize data.
Demonstrated, configured, and consumed web services in C#
Established and coded Win Forms using C#, .NET
Deal with the automation team to understand the Selenium scripts and review the code, run the tests, review the results, and provide inputs to the team.
Used Ajax and JSON for request data and response processing.
Created file and performed unit testing. by creating test suits using Jasmine
Involved in using jQuery validation Plug-in for client-side validation.

Hi, I'm Sesidhar Chittajallu