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Alexsis Claman

United States **********

Updated on : 22-Aug-2023

Resume Headline

Full Stack Engineer (100% Remote only)

Skill Set : nodejs , Express.js, NestJS

Prefered Job Type : : Full-Time, Remote

Employement Details

Senior Web Developer

Amazon Web Services (AWS) · Contract
Mar 2017 - Jul 2018

• Developed efficient design and user-interactive (UI) web pages using web technologies like HTML, CSS, ES6 JavaScript, Node.js, React and Redux Saga.
• Implemented React.js for reusable components for multi-field form elements, background file uploads.
• Worked on React.js components, Forms, Events, Keys, Router, Animations, and Flux concept.
• Created the Application using React.js and Node.js libraries NPM, gulp directories to generate the desired view and flux to root the URL properly.
• Created application interface codes using JavaScript following ReactJS workflows and Redux library.
• Implemented various screens for the front end using ReactJS and used various predefined components from NPM (Node package Manager) and Redux library.
• Redux Saga’s has been implemented with actions and reducers for implementing API Sync calls.
• Developed several RESTful API web services which produces both XML and JSON to perform tasks, leveraged by both web and mobile applications.
• Documented the REST API’s using Swagger2 API for briefing the services involved in the application.
• Worked on design and development of RESTful API and services to interact with data storage layer.
• Developed a Microservice to externalize the application properties and encryption using Spring Cloud Config.
• Used Spring Batch to build the POJO-based development approach of the Spring Framework.
• Involved in batch processing using Spring Batch framework to extract data from database and load into corresponding Loan App tables.• Developed efficient design and user-interactive (UI) web pages using web technologies like HTML, CSS, ES6 JavaScript, Node.js, React and Redux Saga. • Implemented React.js for reusable components for multi-field form elements, background file uploads. • Worked on React.js components, Forms, Events, Keys, Router, Animations, and Flux concept. • Created the Application using React.js and Node.js libraries NPM, gulp directories to generate the desired view and flux to root the URL properly. • Created application interface codes using JavaScript following ReactJS workflows and Redux library. • Implemented various screens for the front end using ReactJS and used various predefined components from NPM (Node package Manager) and Redux library. • Redux Saga’s has been implemented with actions and reducers for implementing API Sync calls. • Developed several RESTful API web services which produces both XML and JSON to perform tasks, leveraged by both web and mobile applications. • Documented the REST API’s using Swagger2 API for briefing the services involved in the application. • Worked on design and development of RESTful API and services to interact with data storage layer. • Developed a Microservice to externalize the application properties and encryption using Spring Cloud Config. • Used Spring Batch to build the POJO-based development approach of the Spring Framework. • Involved in batch processing using Spring Batch framework to extract data from database and load into corresponding Loan App tables.

  • Skills: JavaScript · React.js · AngularJS · Vue.js · Node.js

Full Stack React, Node Developer

WAX · Contract
Jul 2020 - Jul 2022

 • Responsible for creating efficient design and developing User Interaction screens using React, JavaScript, HTML5, CSS3, Bootstrap, jQuery, AJAX for clients to interact with the data.
• Designed the front-end applications using React, Bootstrap and Material - UI for creating Grid orientation and responsive screens.
• Integrated Redux data store allowing React components to have access to data resulting in highly maintainable code.
• Implemented testing tools such as Jasmine, Karma for unit testing.
• Developed the Microservices using Spring Boot and Spring Eureka through a combination of REST and Apache Kafka message brokers.
• Used RESTful Web services for transmission of large blocks of XML/JSON.
• Utilized Express.js for a project where I needed a lightweight and minimalistic framework.
• Developed and consumed JSON based RESTful services using Spring MVC.
• Built the RESTful web APIs from scratch using Swagger.
• Implemented Spring Data JPA framework to use features of Spring JDBC and ORM to interact with underlying database. Used Spring JDBC API to talk Database.
• Used OAUTH 2.0 authentication framework to provide security.
• Built the project with the scope of map the darkweb via snowball scraping technique, with a UI simple and comfortable using React and Python Flask.
• Stored the data in the form of JSON structure-based documents, stored in collection using MongoDB.
• Employed database caching strategies using Redis, MongoDB Elastic search.
• Written Junit, Mockito test cases which adhere to a Test-Driven Development (TDD) pattern.
• Using Jenkins with Maven to Compile & Build Microservices.
• Using GIT, Bitbucket for Source Control and Version Management and using log4j, slf4j for logging.
• Deployed and developed the project using AWS EC2, S3 Buckets, Elastic Bean Stalk, Data pipeline, Lambda, Amazon messaging services (SQS) and Amazon Kinesis Services.
• AWS cloud environment using Jenkins and Chef.
• Worked on custom Docker container.• Responsible for creating efficient design and developing User Interaction screens using React, JavaScript, HTML5, CSS3, Bootstrap, jQuery, AJAX for clients to interact with the data. • Designed the front-end applications using React, Bootstrap and Material - UI for creating Grid orientation and responsive screens. • Integrated Redux data store allowing React components to have access to data resulting in highly maintainable code. • Implemented testing tools such as Jasmine, Karma for unit testing. • Developed the Microservices using Spring Boot and Spring Eureka through a combination of REST and Apache Kafka message brokers. • Used RESTful Web services for transmission of large blocks of XML/JSON. • Utilized Express.js for a project where I needed a lightweight and minimalistic framework. • Developed and consumed JSON based RESTful services using Spring MVC. • Built the RESTful web APIs from scratch using Swagger. • Implemented Spring Data JPA framework to use features of Spring JDBC and ORM to interact with underlying database. Used Spring JDBC API to talk Database. • Used OAUTH 2.0 authentication framework to provide security. • Built the project with the scope of map the darkweb via snowball scraping technique, with a UI simple and comfortable using React and Python Flask. • Stored the data in the form of JSON structure-based documents, stored in collection using MongoDB. • Employed database caching strategies using Redis, MongoDB Elastic search. • Written Junit, Mockito test cases which adhere to a Test-Driven Development (TDD) pattern. • Using Jenkins with Maven to Compile & Build Microservices. • Using GIT, Bitbucket for Source Control and Version Management and using log4j, slf4j for logging. • Deployed and developed the project using AWS EC2, S3 Buckets, Elastic Bean Stalk, Data pipeline, Lambda, Amazon messaging services (SQS) and Amazon Kinesis Services. • AWS cloud environment using Jenkins and Chef. • Worked on custom Docker container.

  • Skills: nodejs · Express.js · TypeScript · JavaScript · React.js · AngularJS · Vue.js · Redux.js · GraphQL · Material-UI · Node.js

Full Stack Engineer (React, Node)

Ubisoft · Contract
Jul 2018 - Jul 2020

• Created several React components with D3 charts that support interactive visualizations of market data projections and analysis.
• Developed unit tests and component snapshot tests using Jest and Enzyme.
• Implemented client-side data transformations to map, filter, reduce, etc. large datasets for display in interactive SVG charts.
• Supported dynamic forms for providing market data analysis for food and beverage companies making projections about product/factory capacity, cost, and several other factors.
• Created dynamically populated data filters as dropdowns, checkbox groups, input fields, sliders, etc. in order to evaluate and pivot market data analysis charts.
• Used Chrome DevTools to investigate and fix front-end rendering performance issues and computationally intensive bottlenecks.
• Developed a streaming music service front-end that allows users to create custom radio
stations. Created and optimized AngularJS services, directives, bindings, and event handlers used for radio station user UX.
• Fixed several bugs and reworked the UI/UX to provide smoother interactions with a web app while music was streaming.
• Handled the heavy development of embedded JavaScript widgets on third-party publisher sites.
• Worked with nested iframes, asynchronous loading of ads, and sizing/scaling issues for mobile, and error-handling.
• Opted for Nest.js due to its built-in support for modular architecture and scalable application
development with a simple and flexible structure, allowing me to quickly set up routes, middleware, and handle HTTP requests and responses.
• Worked on providing API endpoints with Node.js/Inversify and MongoDB.
• Built from scratch admin platform for managing platform's database entities and users using React, Node.js, and Mongoose.
• Implemented complex UI components with React/TypeScript and SCSS.
• Improved the UX by creating several DnD-based components.
• Wrote scripts to use and manipulate data from various sources.• Created several React components with D3 charts that support interactive visualizations of market data projections and analysis. • Developed unit tests and component snapshot tests using Jest and Enzyme. • Implemented client-side data transformations to map, filter, reduce, etc. large datasets for display in interactive SVG charts. • Supported dynamic forms for providing market data analysis for food and beverage companies making projections about product/factory capacity, cost, and several other factors. • Created dynamically populated data filters as dropdowns, checkbox groups, input fields, sliders, etc. in order to evaluate and pivot market data analysis charts. • Used Chrome DevTools to investigate and fix front-end rendering performance issues and computationally intensive bottlenecks. • Developed a streaming music service front-end that allows users to create custom radio stations. Created and optimized AngularJS services, directives, bindings, and event handlers used for radio station user UX. • Fixed several bugs and reworked the UI/UX to provide smoother interactions with a web app while music was streaming. • Handled the heavy development of embedded JavaScript widgets on third-party publisher sites. • Worked with nested iframes, asynchronous loading of ads, and sizing/scaling issues for mobile, and error-handling. • Opted for Nest.js due to its built-in support for modular architecture and scalable application development with a simple and flexible structure, allowing me to quickly set up routes, middleware, and handle HTTP requests and responses. • Worked on providing API endpoints with Node.js/Inversify and MongoDB. • Built from scratch admin platform for managing platform's database entities and users using React, Node.js, and Mongoose. • Implemented complex UI components with React/TypeScript and SCSS. • Improved the UX by creating several DnD-based components. • Wrote scripts to use and manipulate data from various sources.

  • Skills: NestJS · JavaScript · React.js · AngularJS · Java · Node.js

Full Stack Developer

Pixel Pylon
Aug 2022 - Jun 2023

 ● Ensured the technical feasibility of UI/UX designs for React and Angular supply chain applications.
● Worked with the Fitts’ law that can be applied by using components such as buttons, links,
and other interactive elements that are easy to click on and have a large enough size for users to easily find them.
● Placed the UI elements in an intuitive location on the page so that users can quickly find them without having to search for them.
● Used tools such as accessibility testing tools or heatmaps to measure how quickly users can interact with your components.
● Used motion design principles such as easing and animation when transitioning between different states of your components.
● Created a smoother user experience and make it easier for users to interact with your interface.
● Built and maintained job moderation dashboard and user-facing applications for the company using Python FastAPI and Angular 13 and upgraded the frontend from Angular 13 to 15.
● Built the chrome extension using React to extract the company list from the scrapped data that are provided in Python FastAPI with the data from background page.
● Used Nest.js's decorators-based approach to define routes, middleware, and inject dependencies, enhancing code readability.
● Created and optimized Angular services, directives, bindings, and event handlers used for radio station user UX.
● Developed MEAN stack inventory and ordering applications and set up routes, middleware,
and handle HTTP requests and responses with Express.js.
● Worked closely with product management to deliver high-quality products to our customers.
● Implemented reusable, testable and accessible UI components, based on modern web tools and technologies.
● Integrated various third-party APIs for real estate, flight booking, and reservation.● Ensured the technical feasibility of UI/UX designs for React and Angular supply chain applications. ● Worked with the Fitts’ law that can be applied by using components such as buttons, links, and other interactive elements that are easy to click on and have a large enough size for users to easily find them. ● Placed the UI elements in an intuitive location on the page so that users can quickly find them without having to search for them. ● Used tools such as accessibility testing tools or heatmaps to measure how quickly users can interact with your components. ● Used motion design principles such as easing and animation when transitioning between different states of your components. ● Created a smoother user experience and make it easier for users to interact with your interface. ● Built and maintained job moderation dashboard and user-facing applications for the company using Python FastAPI and Angular 13 and upgraded the frontend from Angular 13 to 15. ● Built the chrome extension using React to extract the company list from the scrapped data that are provided in Python FastAPI with the data from background page. ● Used Nest.js's decorators-based approach to define routes, middleware, and inject dependencies, enhancing code readability. ● Created and optimized Angular services, directives, bindings, and event handlers used for radio station user UX. ● Developed MEAN stack inventory and ordering applications and set up routes, middleware, and handle HTTP requests and responses with Express.js. ● Worked closely with product management to deliver high-quality products to our customers. ● Implemented reusable, testable and accessible UI components, based on modern web tools and technologies. ● Integrated various third-party APIs for real estate, flight booking, and reservation.

  • Skills: Express.js · NestJS · Angular Material · Cypress · Test Driven Development · Agile Web Development · Start-up Environment · TypeScript · JavaScript

Full Stack Engineer

Business Holdings Inc · Contract
Aug 2016 - Mar 2017

• Developed a React, React hook, and Material UI front-end web application for a real estate tax calculation.
• Wrote Node.js back-end Firebase cloud functions for handling user authentication and Firestore data manipulation.
• Added Firestore and storage security rules for the database and storage access management.
• Built back-end APIs using Firebase cloud functions, a real-time database, and cloud messaging.
• Solved a payment integration problem that required high security and accuracy for different user banks. The central payment system was Dwolla and we used Plaid for the connection bridge.
• Integrated various third-party APIs for real estate, flight booking, and reservation.
• Developed a huge cron-job system for performing periodic features on the back-end side without any front-end requests.
• Structured the database to optimize all the data in a real-time database using MongoDB on AWS EC2.
• Integrated Redux and MobX on a number of React-based front-end projects for the better state management of React components.
• Implemented a GraphQL-and-Apollo server for a React front-end data query.
• Built AWS Lambda functions with Node.js and configured an automated Git's pulling and deploying pipeline in AWS using Nginx, PM2, and Bitbucket webhooks.
• Embedded a Google tag manager and Google Analytics for the website conversion tracking and the user event tracking.
• Built a front-end widget that is added as a single external script to an HTML page but works as a big library using vanilla JavaScript and jQuery.
• Implemented a web scrapping and browser controlling app for automated management of sites using Puppeteer and Apify
• Implemented a real-time chatting platform-building AI-based chatbot with Socket.IO and Dialogflow.
• Built a Node.js and TypeScript back-end for handling transaction reports, billing reports, invoicing systems, and more for crypto partners.• Developed a React, React hook, and Material UI front-end web application for a real estate tax calculation. • Wrote Node.js back-end Firebase cloud functions for handling user authentication and Firestore data manipulation. • Added Firestore and storage security rules for the database and storage access management. • Built back-end APIs using Firebase cloud functions, a real-time database, and cloud messaging. • Solved a payment integration problem that required high security and accuracy for different user banks. The central payment system was Dwolla and we used Plaid for the connection bridge. • Integrated various third-party APIs for real estate, flight booking, and reservation. • Developed a huge cron-job system for performing periodic features on the back-end side without any front-end requests. • Structured the database to optimize all the data in a real-time database using MongoDB on AWS EC2. • Integrated Redux and MobX on a number of React-based front-end projects for the better state management of React components. • Implemented a GraphQL-and-Apollo server for a React front-end data query. • Built AWS Lambda functions with Node.js and configured an automated Git's pulling and deploying pipeline in AWS using Nginx, PM2, and Bitbucket webhooks. • Embedded a Google tag manager and Google Analytics for the website conversion tracking and the user event tracking. • Built a front-end widget that is added as a single external script to an HTML page but works as a big library using vanilla JavaScript and jQuery. • Implemented a web scrapping and browser controlling app for automated management of sites using Puppeteer and Apify • Implemented a real-time chatting platform-building AI-based chatbot with Socket.IO and Dialogflow. • Built a Node.js and TypeScript back-end for handling transaction reports, billing reports, invoicing systems, and more for crypto partners.

  • Skills: Trello · GitHub · Jira · Agile Methodologies · JavaScript · React.js · AngularJS · Java · Node.js

Education Details

Graduation in Computer Science

Bachelor's degree From Hanoi University of Science and Technology

Passout Year : 2015

Course Type : Full Time

Percentage/Grade : 88 % Marks of 100 Maximum


Profile Summary

 • As a skilled and experienced JavaScript Full Stack Engineer, I bring with me a deep understanding of front-end technologies such as HTML5, CSS3, and JavaScript frameworks such as React and Angular.
• On the backend, I am proficient in server-side programming languages such as Node.js, Python and Java and familiar with relational and non-relational databases like MySQL, PostgreSQL, MongoDB.
• My expertise in writing clean, maintainable, and scalable code has contributed to the successful delivery of various projects during my career.
Employing Agile methodologies, I have collaborated with cross-functional teams to develop web-based applications that meet both user and business requirements, from prototyping, development, and testing through to deployment.
• I possess extensive experience working with RESTful APIs and creating efficient, scalable, cloud-based architectures utilizing AWS services like EC2, S3, Lambda, and API Gateway.
As an advocate of industry best practices, I have worked with test-driven development (TDD) and automated testing frameworks such as Jest, Mocha, and Chai to ensure the creation of highly reliable applications.
• I am a lifelong learner, regularly staying up-to-date with the latest technologies and looking for opportunities to develop my expertise further. My passion for clean and reusable code, attention to detail, and excellent problem-solving skills make me an asset to any team. 

Personal Details

Full Name Alexsis Claman
Gender Male
Marital Status Married
Email ID **********
Mobile No. **********
Date of Birth **********
Languages Known
English (Proficient),
Nationality
United States