Leah is available for hire

Leah Sapan

Verified Expert in Engineering

Full-stack Developer

Location

斯卡伯勒，美国

Toptal Member Since

August 31, 2015

Leah is a motivated, self-taught, 拥有超过13年专业软件开发经验的分析思考者. 她有丰富的建筑经验, developing, 部署全功能的web应用程序，专注于用户体验和高性能的后端设计. Leah可以在软件开发生命周期中管理多个项目, 在充满挑战的环境中茁壮成长，以满足严格的最后期限, 并且对指导和帮助同事成长充满热情.

Back-end Development Full-stack Back-end Security Mobile App Development Code Review Data Encryption Web Scraping Web Crawlers Web Security Amazon RDS Analytics Security Policies & Procedures Data Engineering Chrome Extensions

Portfolio

Doctor's Choice

Python, Django, Starlette, FastAPI, PostgreSQL, Kubernetes, Docker, Salesforce...

Negotio

Python, Django, Django REST框架，Django Channels, Shopify, Shopify API...

平价医疗保健分析

Python, Django, Django REST框架，PostgreSQL, Vue, Chart.js, Redis...

Experience

Full-stack - 13 years Security - 10 years Python - 10 years Django - 10 years 亚马逊网络服务(AWS)——9年 Web Scraping - 9 years Docker - 6 years Vue - 4 years

Availability

Part-time

Preferred Environment

Xcode, Visual Studio Code (VS Code)， Terminal, Linux, MacOS

The most amazing...

...我曾经创建过一个完整的员工管理套件，它允许企业将员工数据和日程安排带入云.

Work Experience

首席技术官

2019 - 2022

Doctor's Choice

协调建筑, development, 以及一个符合HIPAA标准的平台的开发运营，以支持客户探索最佳医疗保险选择和登记.
使用Starlette和FastAPI微服务从多个服务收集数据, 性能提高了450%.
制作了一个算法来筛选超过10个,000 plan options, 根据每个客户的具体情况和需求，帮助找到最佳方案.
设计了一个灵活的数据架构，允许多个公共数据源在PostgreSQL中分层.
使用Python脚本摄取500GB的公共数据, Puppeteer, 和可消费的数据集，以构建提供者的分类, practices, and pharmacies.
将更新生产数据的时间减少99%，每次运行节省超过12小时.
通过动态和高效的双向同步将平台与Salesforce集成，并定制Salesforce实例，以显着提高团队的效率.
为内部代理和客户量身打造独特的体验, 允许用户有效和高效地使用平台.

Technologies: Python, Django, Starlette, FastAPI, PostgreSQL, Kubernetes, Docker, Salesforce, Django REST Framework, Microservices, HIPAA Compliance, Vue, Node.js, 测试驱动开发(TDD), Puppeteer, Amazon S3 (AWS S3), Amazon EKS, Amazon Route 53, Amazon EC2, VPN, 亚马逊虚拟私有云(VPC), Web Security, Amazon CloudFront CDN, Ansible, Terraform, Back-end Development, Full-stack, Data Encryption, Web Scraping, Back-end Architecture, SQL, CSS, REST APIs, Security, 亚马逊网络服务(AWS), Linux, JavaScript, Redis, Vuex, Amazon CloudWatch, Authentication, Scalable Architecture, Scraping, HTML, IT Security, Docker Compose, Vue 2, Terminal, Visual Studio Code (VS Code), Python 3, Pug, Webpack, Amazon RDS, Celery, Functional Testing, Unit Testing, CI/CD Pipelines, Python Asyncio, Chart.. js、DigitalOcean、Analytics、GitLab CI/CD、Slack API、安全策略 & Procedures, Amazon Simple Email Service (SES), Web Crawlers, APIs, Flask, REST, 谷歌云平台(GCP), HTML5, Back-end, Algorithms, Containers, Data Engineering, AWS IAM, Architecture, System Architecture, Data, Code Review, Source Code Review, Task Analysis, Technical Hiring, Interviewing, Team Management

首席技术官

2019 - 2021

Negotio

为Negotio设计并实现了Shopify应用程序, 允许客户自动协商更低的价格, 推动更多的销售和更高的转换率.
开发了一个动态的基于vue的插件，可以自动嵌入到商家的网站中，无需人工干预, 无论主题或自定义代码.
创建了一个高性能后端来管理目标价格, handle negotiations, create discount codes, 以及更多关于Django和Django通道的使用.
建立了一个市场的前端，以探索所有的产品在协商的庞大的数据库.

Technologies: Python, Django, Django REST框架，Django Channels, Shopify, Shopify API, Vue, DigitalOcean, Kubernetes, Docker, GitLab CI/CD, Puppeteer, Slack API, Python 3, Back-end Development, Full-stack, Data Encryption, Web Scraping, Back-end Architecture, SQL, CSS, jQuery, REST APIs, Security, Linux, JavaScript, Amazon S3 (AWS S3), PostgreSQL, Redis, Vuex, Ansible, Amazon CloudWatch, Authentication, Scalable Architecture, Scraping, HTML, IT Security, Docker Compose, Vue 2, Terraform, Docker Swarm, Mezzanine, Terminal, Visual Studio Code (VS Code), VPN, Web Security, Amazon CloudFront CDN, Pug, Webpack, Celery, CI/CD Pipelines, Python Asyncio, Chart.js、分析、安全策略 & Procedures, Amazon Simple Email Service (SES), Web Crawlers, APIs, REST, HTML5, Back-end, Algorithms, Containers, Data Engineering, AWS IAM, Architecture, System Architecture, Data, Code Review, Source Code Review, Task Analysis, Technical Hiring, Interviewing, Team Management, Chrome Extensions

高级全栈软件工程师

2020 - 2020

平价医疗保健分析

开发了一种基于患者急性程度的基准工具，以计算护士人员配备需求并跟踪特定的生产力指标.
构建了模块化设计，以促进大量的核心功能，同时允许轻松添加其他模块.
在采用Python的DRY原则和OO模式的同时，减少了80%来自其他顾问原型的重复代码.
构建一个灵活的报告框架来分析来自任何模块的数据，而不需要特定于模块的代码.

技术:Python, Django, Django REST框架，PostgreSQL, Vue, Chart.js, Redis, DigitalOcean, Kubernetes, Docker, 测试驱动开发(TDD), Unit Testing, Functional Testing, Analytics, Back-end Development, Full-stack, Data Encryption, Back-end Architecture, SQL, CSS, REST APIs, Security, Linux, JavaScript, Vuex, Authentication, Scalable Architecture, HTML, IT Security, Docker Compose, Vue 2, Terraform, Terminal, Visual Studio Code (VS Code), Web Security, Python 3, Pug, Webpack, CI/CD Pipelines, Security Policies & Procedures, APIs, REST, HTML5, Back-end, Algorithms, Containers, Data Engineering, Architecture, System Architecture, Data, Code Review, Source Code Review, Task Analysis

容器解决方案架构师

2019 - 2020

Caterpillar

领导了在CAT中推广Docker容器的工作.
已建立的映像创建和管理最佳实践.
撰写了在CAT机器上使用Docker的指南, 包括与公司安全策略相关的常见问题的故障排除步骤.

技术:Docker, Python，安全策略 & Procedures, Data Encryption, Linux, Docker Compose, Terminal, Visual Studio Code (VS Code), Containers, System Architecture, Task Analysis

高级全栈软件工程师

2019 - 2020

Minervini私有访问

为MPA设计了一个创新的平台，向金融客户实时广播非常有时效性的警报.
重新构建应用程序，以比上一代平台快300倍的速度发送警报.
自动化客户管理和计费流程，每月节省超过120小时.
改进编辑器准备，比以前快1000倍.
开发了客户违约自动检测系统&C通过使用自动脚本或机器人从站点摄取警报.
使用Kubernetes将服务安全地部署到AWS，同时支持自动构建, tests, 使用GitHub Actions进行部署.
使用NativeScript和Vue为iOS和Android开发原生应用.
通过单元测试和功能测试实现100%的测试覆盖率.

技术:Python, Vue, Socket.IO, Amazon EKS, Amazon CloudFront CDN, Amazon S3 (AWS S3), PostgreSQL, Django, Django REST Framework, Webpack, 测试驱动开发(TDD), Functional Testing, Unit Testing, Card Payments, Billing Systems, Kubernetes, Docker, CI/CD Pipelines, iOS, Android, NativeScript, NativeScript-Vue, Python Asyncio, Redis, Celery, Fraud Prevention, Back-end Development, Mobile App Development, Full-stack, Data Encryption, Back-end Architecture, SQL, CSS, Mobile Development, REST APIs, Security, 亚马逊网络服务(AWS), Linux, JavaScript, iOS SDK, Amazon EC2, Android SDK, Swift, Vuex, Ansible, Java, Amazon CloudWatch, Xcode, Authentication, Scalable Architecture, HTML, IT Security, Docker Compose, Vue 2, Terraform, Docker Swarm, Terminal, Visual Studio Code (VS Code), 亚马逊虚拟私有云(VPC), Amazon Route 53, VPN, Web Security, Python 3, Pug, Amazon RDS, GitLab CI/CD, Security Policies & Procedures, Amazon Simple Email Service (SES), APIs, REST, HTML5, Algorithmic Trading, Trading, Back-end, Fintech, Containers, AWS IAM, Architecture, Data, Code Review, Source Code Review, Task Analysis

高级全栈软件工程师

2018 - 2018

Cobalt Archive

使用Django和Vue构建了一个用于存档web、电子邮件和社交媒体内容的平台.
实现了免触摸登录流程，引导用户通过独立配置和直接支付在网站上激活个人账户.
创建一个存在证明页面，利用存储在区块链上的哈希值来证明文件在特定时间以特定状态存在.
使用Elasticsearch开发了一个高效的跨媒体搜索功能.

Technologies: Python, Django, Django REST Framework, Celery, Redis, Elasticsearch, PostgreSQL, Vue, Amazon Simple Email Service (SES), Docker, Docker Swarm, Web Scraping, Web Crawlers, Facebook API, Twitter API, LinkedIn API, Back-end Development, Full-stack, Data Encryption, Back-end Architecture, SQL, CSS, REST APIs, Security, 亚马逊网络服务(AWS), Linux, JavaScript, Amazon EC2, Amazon S3 (AWS S3), Jenkins, Vuex, Ansible, Amazon CloudWatch, Authentication, Scalable Architecture, Scraping, HTML, IT Security, Docker Compose, Amazon Simple Queue Service (SQS), Vue 2, Mezzanine, Terminal, PyCharm, 亚马逊虚拟私有云(VPC), Amazon Route 53, VPN, Web Security, Amazon CloudFront CDN, Python 3, Pug, Webpack, Amazon RDS, Card Payments, Billing Systems, CI/CD Pipelines, GitLab CI/CD, Slack API, Security Policies & 程序、api、REST、HTML5、D3.js, Back-end, Fintech, Containers, Data Engineering, AWS IAM, Architecture, System Architecture, Data, Code Review, Source Code Review, Task Analysis, Chrome Extensions

软件开发总监

2013 - 2017

RowdMap

Led an international, 由15名开发人员组成的远程团队, software engineers, data engineers, 以及各种技术人员来创建和完善医疗保健分析平台.
使用D3构建自定义分析视觉效果，以及用户友好的查询构建器.
将5TB的医疗保健数据转换为高度优化的PostgreSQL数据库.
开发了一个内部平台来自动化和管理数据加载和转换.
根据源数据设计优化的表，使平台能够高效查询.
管理所有AWS基础设施和控制, 包括容器服务器, databases, network security, high availability, CI/CD flows, 并通过加密和vpn确保员工设备的安全配置.
领导并通过了NIST 800-53安全和隐私控制审核.
通过Docker Swarm部署高可用性，实现服务水平协议(sla).

Technologies: Python, 亚马逊虚拟私有云(VPC), 亚马逊网络服务(AWS), Django, Django REST Framework, MongoDB, PostgreSQL, MySQL, Python 2, Python 3, Backbone.js, Angular, Pug, Puppeteer, Selenium, Webpack, Amazon EC2, Docker Swarm, Docker, Jenkins, VPN, Amazon RDS, Celery, Redis, Back-end Development, Full-stack, Data Encryption, Web Scraping, Back-end Architecture, SQL, CSS, jQuery, REST APIs, Security, Linux, JavaScript, Amazon S3 (AWS S3), Ansible, Java, Neo4j, Amazon CloudWatch, Authentication, Scalable Architecture, Scraping, HTML, MacOS, IT Security, Docker Compose, Mezzanine, HIPAA Compliance, Terminal, PyCharm, Salesforce, Node.js, Amazon Route 53, Web Security, Amazon CloudFront CDN, CI/CD Pipelines, Analytics, Slack API, Security Policies & 程序，网络爬虫，api, Flask, REST, HTML5, D3.js, Back-end, Algorithms, Containers, Data Engineering, AWS IAM, Architecture, System Architecture, Data, Code Review, Source Code Review, Task Analysis, Technical Hiring, Interviewing, Team Management, Chrome Extensions

高级全栈软件工程师

2009 - 2013

Funtown Splashtown USA

为游乐园行业设计并实施了一个具有鲜明特色的完整员工管理套件.
利用Ford-Fulkerson方法，根据数据库中存储的训练知识和以前的分配，生成每日骑行操作员分配.
实现了一个完整的调度系统，员工可以在线访问调度, 接收换班通知, and propose shift swaps.
通过一个配套的应用程序改善了客人的体验，帮助客人更好地导航公园.

Technologies: PHP, CakePHP, iOS, Android, jQuery, JavaScript, Excel VBA, Algorithms, Back-end Development, Mobile App Development, Full-stack, Back-end Architecture, MySQL, SQL, CSS, Mobile Development, Objective-C, REST APIs, Python, Security, Linux, Django, iOS SDK, Android SDK, Docker, Swift, Java, Xcode, Authentication, HTML, IT Security, Terminal, Python 2, APIs, REST, HTML5, Back-end, Containers, Task Analysis

Experience

ToonHQ

http://toonhq.org

我为《欧博体育app下载》和《欧博体育app下载》的玩家创造了一个动态游戏助手，其中包含一个互动系统，可以帮助玩家在游戏中找到其他人. 优化网站，以跟上超过100,000,在DigitalOcean的部署预算中，每月需要处理000个请求和超过1TB的数据. 实现实时数据流，提高用户体验和性能.

Stalks.io

http://stalks.io

I created a Stalk Market guide for Animal Crossing: New Horizons with over 1,000,每月的页面浏览量为1000. 实现了一个算法，以准确地预测价格的基础上，球员之前的价格信息. 设计了一个友好的用户界面，以有趣和易于理解的方式呈现销售建议. 增加了社交协作功能，朋友之间可以查看彼此的价格和预测, 使他们能够决定是否应该在岛上出售.

Starblock Valley

http://starblockvalley.lukesapan.com

Starblock Valley是一个小型dApp，可以让你管理以太坊区块链上的分散农场. 为了探索web3的概念，我在几个小时内构建了它. 农场上的每一个动作都被发送到Ropsten测试网，并在Ropsten Etherscan上可见.

Publication

加速软件部署-一个Docker群教程

http://jyrr.ngskmc-eis.net/devops/software-deployment-docker-swarm-tutorial

Skills

Languages

Swift, HTML, CSS, JavaScript, Objective-C, SQL, Python, Python 2, Python 3, Pug, HTML5, Java, Excel VBA, Solidity, PHP, C++, C, C#

Frameworks

Android SDK, Django, Django REST Framework, Selenium, iOS SDK, NativeScript, Django Channels, CakePHP, Mezzanine, Truffle, Flask, React Native, Angular, Electron

Libraries/APIs

REST APIs, Backbone.js、jQuery、Vuex、Vue 2、Vue、Node.js, Puppeteer, Socket.IO, Python Asyncio, Chart.js, Shopify API, D3.js, Slack API, React, Facebook API, Twitter API, LinkedIn API

Tools

Terminal, PyCharm, Xcode, 亚马逊虚拟私有云(VPC), Ansible, Docker Swarm, Docker Compose, Terraform, Jenkins, Amazon Simple Queue Service (SQS), VPN, Amazon CloudFront CDN, Webpack, Celery, NativeScript-Vue, GitLab CI/CD, Amazon Simple Email Service (SES), Amazon CloudWatch, Amazon EKS, AWS IAM

Paradigms

Back-end Architecture, Mobile Development, Microservices, 测试驱动开发(TDD), Functional Testing, Unit Testing, REST, HIPAA Compliance

Platforms

亚马逊网络服务(AWS), Linux, Docker, Android, MacOS, iOS, Amazon EC2, Salesforce, DigitalOcean, Shopify, Netlify, Visual Studio Code (VS Code), Blockchain, Kubernetes, Ethereum, 谷歌云平台(GCP)

Storage

PostgreSQL, MySQL, Redis, Amazon S3 (AWS S3)， Elasticsearch, Neo4j, MongoDB

Other

Data Encryption, Scalable Architecture, Authentication, Back-end Development, IT Security, Security, Scraping, Web Scraping, Full-stack, Mobile App Development, Starlette, FastAPI, Amazon Route 53, Web Security, Amazon RDS, Card Payments, Billing Systems, CI/CD Pipelines, Analytics, Security Policies & Procedures, Web Crawlers, APIs, Back-end, Fintech, Containers, Data Engineering, Architecture, System Architecture, Data, Code Review, Source Code Review, Task Analysis, Technical Hiring, Interviewing, Team Management, Chrome Extensions, Fraud Prevention, Algorithmic Trading, Trading, Algorithms, DApps

Education

2012 - 2013

电子工程与计算机科学学士学位课程，主修计算机工程

美国缅因州波特兰南缅因大学

2010 - 2012

计算机工程方向的计算机工程学士学位课程

美国缅因大学奥罗诺分校

Certifications

APRIL 2018 - PRESENT

区块链专业化

Toptal

有效的合作

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