Software Engineer Front-End

Daisy Roman

Fort Worth, Texas, USA *****.*******@*****.*** +1-817-***-**** www.linkedin.com/in/daisy-roman- 3647a3308/

Education

BACHELOR OF COMPUTER SCIENCE JUNE 2011 TEXAS TECH UNIVERSITY Skills & Abilities

· Languages – JavaScript, TypeScript, Python, C#, · Search Engine – Elasticsearch Java · Message Queue – RabbitMQ Server

· Backend – Node.js, Next.js, Express.js, Laravel

Django, FastAPI, Flask, Spring Boot · ORM – SQLAlchemy, Alembic

· Mobile Development – React Native, Flutter, Ionic · Performance Optimization

· Frontend – React, Vue.js, Angular, Backbone.js,

Svelte, Tailwind, SASS, · Software Architecture Design Bootstrap · Microservice Architecture

· DevOps - Docker, Kubernetes, Jenkins, GitHub · Security Best Practices Actions, Terraform, AWS, GCP · Machine Learning Integration

· Data Science ML – Pandas, NumPy, TensorFlow, · Natural Language Processing – spacy Matplotlib · Problem Solving and Debugging

· ETL – Scrapy, Splash, Beautiful Soup · Technical Documentation

· SQL Databases – MySQL, PostgreSQL, · Code Review Proficiency

· NoSQL Databases – MongoDB, Redis, DynamoDB · SOLID, DRY, KISS principles

· Serverless – Cognito, Lambda, SNS, SQS, SAM · Infrastructure Design

· Monitoring – Datadog, Sentry · Other – Celery

· TDD – Django TestCase, pyTest, unittest, jest,

Profile

Innovative Senior Software Engineer offering 10 years of experience in web development. Seasoned professional with background in full software development lifecycles. Quickly learns and masters new technologies while working in both team and independent settings. Successful Lead Software Engineer offering 4 years of experience in demanding environments focused on producing cutting-edge designs for business analysis. Skilled in directing development with creative and performance-oriented approach. Well-organized and customer-focused with proven skills in project management and team leadership. Experience

LEAD SOFTWARE ENGINEER ARENA JUNE 2020 – JANUARY 2024

· Architected and built MVP for business analytics platform from scratch.

· Lead TypeScript/React/Mobx based front-end app development using Next.js, Material UI, Redux.

· Created and maintained front-end code for customer interface using UI/UX design method, resulting in improvement of customer satisfaction.

· Developed robust, scalable mobile applications using React Native, contributing to the company’s rapid growth and user base expansion.

· Introduced the use of skeleton loading pattern to allow for the UI to indicate when a page or component is loading and the shape it will take once it’s finished loading.

· Implemented RESTful APIs using Python/Django, DRF, Postgres GIS database.

· Designed and implemented APIs to expose certain functionalities of the server while abstracting the underlying complexity.

· Developed and deployed from server architectures to complex data management systems.

· Designed and implemented the system to generate PDF based void analysis reports using wkhtmldtopdf, Celery, RabbitMQ server

· Developed a business search microservice using Elasticsearch.

· Architected the infrastructure of the platform using AWS clouding services such as EKS, VPC, S3, Helm, Flux, and Terraform.

· Setup CI/CD pipelines using AWS GitOps and Jenkins

· Improved front-end app responsiveness and accessibility.

· Wrote technical documents about best practices for both back-end and front-end development.

· Followed up with Agile methodology.

· Integrated NLP and ML to automate business chain grouping and name predictions using Spacy, Pandas, NumPy, SageMaker from AWS.

· Wrote unit and integration tests using Django TestCase, pytest. Wrote automation tests using Cypress.

· Audit and optimized backend APIs through caching with Redis, query optimization, refactoring code and monitoring and debugging.

· Built microservice to monitor ETL and data pipeline process using FastAPI which returns daily progress, estimated timeline, total statistics etc. LEAD TYPESCRIPT DEVELOPER CAPTELLO JUNE 2018 – JUNE 2020

· Designed AWS Serverless architecture using Node.js and TypeScript for offer management admin portal and result in double-sized benefits of the company

· Architected React based front-end project using AWS Amplify, implemented SSR using Lambda@Edge, hosted to S3 using CloudFront

· Built secure user authentication and ACL using Lambda, Cognito.

· Designed and implemented Event-Driven system and Asynchronous tasks(Queue messaging) utilizing EventBridge, SNS, SQS, Lambda services

· Developed external offers integration workflow using AWS Step Functions, MongoDB

· Used Route53 for website domain, CloudWatch for Monitoring, IAM and Security Manager for Security of platform

· Implemented back-end APIs and GraphQL queries for mobile apps and front-end using API Gateway, Lambda functions, DynamoDB

· Developed back-end to front-end push system using EventBridge, Lambda functions, API Gateway WebSocket

SENIOR REACT DEVELOPER CHERRE MAR 2017 – APR 2018

· Architected social media posting front-end app.

· Implemented React version upgrade from 15 to 16 which involved heavy refactoring and reorganizing as well as creating tickets to provide visibility so that other engineers could help contribute

· Improved mobile responsiveness, SEO and Web Accessibility by compliant with WCAG standard using aria attributes properly.

· Built design system package for design consistency, and code reusability to implement DRY principles

· Integrated Next.js to implement SSR(Server Side Rendering).

· Employed lazy loading, HOC, reusable hooks to optimize the application.

· Collaborate with back-end and devops engineers for the release of new applications and new API endpoints to make available to front-end clients.

· Introduced the use of skeleton loading pattern to allow for the UI to indicate when a page or component is loading and the shape it will take once it’s finished loading.

· Write tests using Jest and Enzyme to make sure high quality of product.

· Used Redux for state management.

· Implemented pixel perfect design using Figma, SCSS, HTML, Tailwind. FULL-STACK WEB DEVELOPER PENDO JAN 2016 – MAR 2017

· Optimized web page performance by efficiently coding ECMAScript to minimize page load times and secure payment integration.

· Implemented Social OAuth2 authentication and integrate APIs to publish and imports posts/images using Flask, SQLAlchemy, Alembic

· Designed and implemented CQRS design pattern using RabbitMQ and Celery.

· Led implementation of book builder microservice module using chrome headless, prince library

· Designed and built APIs using Flask for posting journals to social networks, oauth2 authentication, social networks, invites and sharing posts, family modes.

· Participated in improving security of application for AWS infrastructure and backend APIs.

· Designed and wrote Cron job scripts for daily reminder, subscription renew, stats calculation. DJANGO WEB DEVELOPER TANIUM JAN 2014 – DEC 2015

· Designed CMS platform for company blogs and whitepapers using Django-cms

· Managed the development and execution of a CRM module for handling product, mortgage and life insurance forms, using Zoho CRM.

· Built whole front-end using jQuery, bootstrap, Django views Django templates.

· Customized the Django admin to automate license data renewal, export agent data and perform additional tasks.

· Designed multi-tenant platform and custom funnel and corporate portals for featured agents. JUNIOR WEB DEVELOPER CANARY TECHNOLOGIES APR 2012 – DEC 2013

· Made pixel-perfect pages using bootstrap and jQuery.

· Worked with part of the backend team that focused on developing marketplace module

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