Karen Chioma Okonkwo,英国伦敦的开发者
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Karen Chioma Okonkwo

Verified Expert  in Engineering

Software Developer

Location
英国伦敦
Toptal Member Since
December 15, 2021

凯伦是一位有四年专业经验的软件工程师. 她喜欢构建影响用户的网络软件解决方案. Karen精通于创造易于使用的产品, responsive, accessible, 以及用户友好的网站和web应用程序. 她在后端服务和api的开发方面也很有经验. 一个精通工程概念的开发人员, data structures, algorithms, and system designs, 凯伦确保提供最好的质量.

Portfolio

Bloomberg
Back-end, Front-end, JavaScript, Python, C++, React, HTML5, CSS3, REST APIs...
Freelance
React, HTML, CSS, JavaScript, Python, Flask, SQL, GraphQL, TypeScript...
Softcom
React, HTML, CSS, JavaScript, Redux,前端,HTML5, REST api...

Experience

Availability

Part-time

首选的环境

Visual Studio Code (VS Code), Git, Linux, MacOS

The most amazing...

...project I've worked on is an app for a digital and inclusive bank that provides financial services to anyone who has a phone number.

Work Experience

Software Engineer

2021 - PRESENT
Bloomberg
  • Built full-stack tools to ensure that the most valuable content was being written and promoted by Bloomberg's 3000+ editorial staff worldwide to 300,在任何时候都有超过000个彭博终端用户. 使用Python, TypeScript, Kafka和Comdb2.
  • Created solutions to privileged large datasets curated by Bloomberg's data journalists using Python and React.
  • 担任团队的Scrum Leader, 协调有效的冲刺计划, daily stand-ups, and retrospectives, 培养一个有凝聚力和敏捷的团队环境.
  • 促进跨职能团队之间的无缝沟通, ensuring alignment with project goals and timely delivery of high-quality software solutions.
技术:后端, Front-end, JavaScript, Python, C++, React, HTML5, CSS3, REST APIs, 响应式网页设计(RWD), REST, Responsive Design, APIs, 跨浏览器的兼容性, User Interface (UI), Web UI, Web UX, 用户体验(UX), GitHub, Databases, JSON, Node.js, Docker

Software Engineer

2018 - PRESENT
Freelance
  • 架构和开发功能齐全, accessible, and responsive web applications using various tools and technologies for multiple clients.
  • Provided services that spanned from front-end development to full-stack application development.
  • Built a full-stack application for Anozie Stores to manage their orders and allow users to track their order status, 显著改善顾客的购物体验.
  • 为一家数字医疗公司设计网站. The goal was to create an aesthetically pleasing user experience while providing comprehensive information about the product's offering.
  • Developed a website for Geraldine’s Flourish Foods to boost its online presence, 提供有关产品和服务的信息, 并为客户提供一个购买他们产品的平台.
  • 为一家房地产技术初创公司Rentgage创建了一个MVP. I built a mobile application for the product's client side and a back end to go with it.
  • 做了一个MVP的餐厅管理系统,功能齐全, accessible, 使用React为产品的web应用程序提供响应式UI. I integrated the web application with the back end using RESTful API endpoints.
  • Handled the translation of various designs and wireframes into high-quality code for front-end systems.
Technologies: React, HTML, CSS, JavaScript, Python, Flask, SQL, GraphQL, TypeScript, Front-end, HTML5, REST APIs, Web Development, CSS3, 响应式网页设计(RWD), REST, Responsive Design, APIs, 跨浏览器的兼容性, 亚马逊网络服务(AWS), User Interface (UI), Web UI, Web UX, 用户体验(UX), GitHub, Databases, JSON, Node.js,渐进式Web应用程序(PWA), Strapi,无头CMS

Front-end Engineer

2020 - 2021
Softcom
  • Built out the web application for the third version of the Eyowo (Eyowo X) using React and TypeScript. Eyowo is a fintech product that provides online personal and business banking and other financial services to 600,在尼日利亚有超过000名用户.
  • Built out the non-graduates (N-creative) web portal for the NPower program, a job creation and skills empowerment scheme created by the Nigerian government for over one million applicants using React and TypeScript.
  • 与其他团队和学科合作, 包括后端开发人员, product managers, designers, UI developers, 和QA测试人员一起为每个产品提供价值.
  • Worked with designers to translate various designs and wireframes into high-quality code.
Technologies: React, HTML, CSS, JavaScript, Redux,前端,HTML5, REST api, Web Development, CSS3, 响应式网页设计(RWD), REST, Responsive Design, APIs, 跨浏览器的兼容性, User Interface (UI), Web UI, Web UX, 用户体验(UX), GitHub, JSON, Node.js

软件工程师|实习生

2018 - 2018
宏力系统工程有限公司.
  • Maintained the existing web dashboard for multi-source power and energy monitoring leveraging React, TypeScript, and Material UI.
  • 建立了网络界面,方便电力交易, providing a way for clients to reduce the waste of excess energy produced.
  • Developed Python microservices for User and Order management using Flask.
  • 确保组织软件团队改进工作流程.
Technologies: React, HTML, CSS, JavaScript, Flask, TypeScript, Front-end, HTML5, REST APIs, Web Development, CSS3, 响应式网页设计(RWD), REST, Responsive Design, 跨浏览器的兼容性, User Interface (UI), Web UI, Web UX, 用户体验(UX), GitHub, Databases, JSON, Node.js

Eyowo银行的Web应用程序版本3

http://bank.eyowo.com/
Eyowo is a digital and inclusive bank that provides financial services to anyone with a phone number. 我与一个包括后端开发人员的团队合作, QA, designers, 和UI开发人员构建他们的web应用程序的第三个版本, 允许用户更有效地与产品交互.

杰拉尔丁食品公司的网站

杰拉尔丁的繁荣食品(GFF), 一家食品加工和包装公司, 请求一个网站来提升他们的在线形象, 作为他们产品和服务的信息来源, 并为客户提供一个购买他们产品的平台. Following these requirements, I developed a full-stack application for this company. The website offers customers convenience as they can access any information about GFF they need and make purchases from the comfort of their homes.

订单管理和跟踪的Anozie商店

Anozie Stores requested a website to manage and track the status of users' orders. 我为这个在线商店构建了一个全栈应用程序. The completion of this project streamlined and removed ambiguities with their order placement process, which led to a significant improvement in their customers' shopping experience.

Iddera

http://www.iddera.com/
我为一家数字健康创业公司Iddera建立了一个网站. This project aimed to create an aesthetically pleasing user experience while providing comprehensive information about the product's offering.

Nuvle的最小可行产品(MVP)

This project involved building a minimum viable product for a restaurant management system. 我开发了一个功能齐全的, accessible, 使用React为产品的web应用程序提供响应式UI, Context API, and Bootstrap 4. I integrated the web application with the back end using RESTful API endpoints.

出租的最小可行产品

This project involved building a minimum viable product (MVP) for a proptech startup company called Rentgage. I created a mobile application for the product's client side and back end to go with it.

WhatsApp Web Clone

http://whatsapp-clone-web.netlify.app/
我重新创建了目前的WhatsApp网络用户界面. Depending on your device's settings, it handles both dark and light modes. I also implemented a simple back-end service for communication with this clone using WebSocket technology.

Abeg App Clone

http://abeg-app-clone.netlify.app/
Abeg is an application that aids the instant transfer and receipt of money. I recreated a clone of the Abeg app's landing page using only HTML, CSS, and JavaScript. 框架或外部库不是必需的.

Blog Scribbles

http://scribbles-blog.netlify.app/
Scribbles is a simple full-stack blog application I built using Flask and React. It allows authors to manage blog posts and readers to read and comment on each blog post. 没有登录的用户也可以使用博客文章. However, the options for non-subscribers are limited as they can only read but not comment on the blog posts.

Fyyur

Fyyur is a musical venue and artist-booking website that facilitates the discovery and show booking between local performing artists and venues. 这个网站可以让你列出和发现新的艺术家和场地. The project involved building data models to power the API endpoints by connecting to a PostgreSQL database for storing, querying, 并在Fyyur上创建有关艺术家和场地的信息.
2015 - 2019

计算机工程学士学位

拉各斯大学-拉各斯,尼日利亚

MAY 2023 - PRESENT

JavaScript算法和数据结构大师班

Udemy

2022年9月至今

SQL for Joining Data

DataCamp

2022年8月至今

中间SQL查询

DataCamp

2020年11月至今

Webpack 2:完整的开发者指南

Udemy

2020年9月至今

全栈开发人员纳米级

Udacity

2020年8月至今

React Front To Back

Udemy

2018年11月至今

前端开发人员

Udacity

Libraries/APIs

Node.js, React, REST API, API开发,Socket.IO

Tools

GitHub, Git, Auth0, Webpack 2, Babel

Frameworks

Redux, Flask, Express.js, React Native

Languages

JavaScript, HTML, CSS, HTML5, TypeScript, CSS3, SQL, Python, GraphQL, C++

Paradigms

面向对象编程(OOP), Unit Testing, 响应式网页设计(RWD), REST, 测试驱动开发(TDD), Testing

Storage

数据库,JSON, MongoDB, Amazon S3 (AWS S3),数据库管理

Platforms

Docker, Linux, MacOS, Visual Studio Code (VS Code), 亚马逊网络服务(AWS)

Other

Software Engineering, Front-end, Web Development, Responsive Design, APIs, User Interface (UI), Web UI, Web UX, 用户体验(UX), Data Structures, Algorithms, Digital Computers, Web Accessibility, 客户端JavaScript框架, 跨浏览器的兼容性, 渐进式Web应用程序(PWA), Strapi, Headless CMS, 计算机体系结构, System Programming, Data Modeling, API Documentation, Identity & Access Management (IAM), Containerization, Deployment, Back-end, MERN Stack

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