Michal is available for hire

Michal Wronski

Verified Expert in Engineering

Software Engineering Developer

Location

Cape Town, Western Cape, South Africa

Toptal Member Since

November 7, 2019

Michal是一名高技能的软件工程师，拥有超过12年的规划经验, developing, deploying, and testing software solutions. 他是Ruby on Rails专家，为媒体客户精心设计了解决方案, finance, education, telecommunications, logistics, and pharmaceuticals.

Software Engineering RESTful Web Services Back-end Full-stack Development IT Cloud Architecture Analytics Cloud IT Project Management Web Scraping Full-stack Scalability Ruby on Rails (RoR)JavaScript CSS Software Architecture

Portfolio

DiversityEdu LLC

Ruby on Rails (RoR)、Amazon Web Services (AWS)、Amazon EC2、Okta...

Scour LLC

Ruby on Rails (RoR)， HTML, CSS, JavaScript, MySQL, Bootstrap

Above Lending Inc

Ruby on Rails (RoR)， PostgREST, Amazon Web Services (AWS)， RESTful Web服务...

Experience

Software Engineering - 15 years Ruby on Rails (RoR) - 15 years Software Architecture - 10 years MySQL - 10 years Analytics - 10 years Product Management - 10 years MongoDB - 5 years Amazon Web Services (AWS) - 5 years

Availability

Part-time

Preferred Environment

Linux, MongoDB, MySQL, Ruby on Rails (RoR), Ruby, PostgreSQL, Bootstrap, Amazon S3 (AWS S3), Analytics, APIs

The most amazing...

...我开发的产品是一个社交媒体分析平台，它是我设计和构建的，用来实时监控数百万被提及的公司.

Work Experience

Ruby on Rails Developer

2020 - PRESENT

DiversityEdu LLC

为学生搭建了知识评估和学习计划布置平台.
开发了一个SSO微服务架构，用于管理来自各种LMS系统的学生登录和登录.
维护和开发内容管理和时间跟踪软件.

Technologies: Ruby on Rails (RoR)、Amazon Web Services (AWS)、Amazon EC2、Okta, Learning Management Systems (LMS), Architecture, Cloud Architecture, Back-end Architecture, IT, Ruby, APIs, Ruby Gems, Vue, Full-stack, Back-end, Git, JavaScript, CSS, HTML, Full-stack Development, CircleCI, GitHub, Database Design, Software Troubleshooting, SQL, Technical Leadership, Agile, PostgreSQL, New Relic, Databases, Serverless, Cloud, API Integration, jQuery, Sidekiq, Object-oriented Programming (OOP)

Full-stack Developer

2023 - 2023

Scour LLC

开发了一个应用程序，可以根据全局“请勿联系”注册表搜索客户详细信息.
确保数据库可扩展性和超过1亿条记录的快速数据处理.
监督整个项目的架构、开发、部署和测试.

技术:Ruby on Rails (RoR)， HTML, CSS, JavaScript, MySQL, Bootstrap

Senior RoR Developer

2022 - 2023

Above Lending Inc

设计并实现了一个高可用性的全自动支付处理系统, concurrency checking, and data validation.
开发前向链规则引擎，用于管理向贷方分配贷款的复杂规则集.
构建和定制一个广泛的贷款管理仪表板，与各种第三方数据库和api自动数据同步.

Technologies: Ruby on Rails (RoR)， PostgREST, Amazon Web Services (AWS)， RESTful Web服务, Architecture, Cloud Architecture, Back-end Architecture, IT, Ruby, APIs, Ruby Gems, Full-stack, Back-end, Git, JavaScript, CSS, HTML, Full-stack Development, CircleCI, GitHub, Database Design, Software Troubleshooting, SQL, Project Scoping, Mentorship, Technical Leadership, Agile, PostgreSQL, New Relic, Node.js, Databases, Serverless, Cloud, API Integration, jQuery, Payment APIs, Sidekiq, Scalability, Performance, Amazon RDS, Object-oriented Programming (OOP)

Senior Software Engineer

2019 - 2021

Union Swiss

开发了一个全面的软件系统来管理原材料分配, staging, manufacture, and traceability.
简化和优化管理仓库的交付和卸载过程的软件, including SCADA APIs.
设计并实现了一个自定义的基于角色的访问控制系统(RBAC)，该系统具有层次资源数据库.

Technologies: Ruby on Rails (RoR), MySQL, Amazon Web Services (AWS), IT Project Management, Architecture, Cloud Architecture, Back-end Architecture, IT, Ruby, APIs, Ruby Gems, GraphQL, Full-stack, Back-end, Git, JavaScript, CSS, HTML, Full-stack Development, CircleCI, Jenkins, GitHub, Database Design, Software Troubleshooting, SQL, Technical Leadership, Agile, PostgreSQL, Python, Databases, Serverless, Cloud, API Integration, jQuery, Payment APIs, Sidekiq, Scalability, Performance, Object-oriented Programming (OOP)

Founder | Development Lead

2016 - 2020

Digital Flow

为南非市场搭建房产拍卖平台，自动将房地产买家与场外房产交易联系起来.
为客户创建了一个实时视频会议应用程序，用于组织内部会议. 允许广播公司和观众之间的实时双向通信, including real-time chat, video archival, analytics, and scalable architecture.
设计了一个实验性的比特币支持的贷款平台，允许用户以加密货币为抵押品申请基于法定货币的贷款. Created a cold storage system to secure crypto assets.

技术:Bootstrap, MongoDB, MySQL, Ruby on Rails (RoR)， Project Management & Work Tracking Tools, IT Project Management, Architecture, Cloud Architecture, Back-end Architecture, IT, Ruby, APIs, Ruby Gems, GraphQL, Full-stack, Back-end, Git, JavaScript, CSS, HTML, Full-stack Development, CircleCI, Jenkins, GitHub, Database Design, Software Troubleshooting, SQL, Project Scoping, Mentorship, Technical Leadership, Agile, PostgreSQL, Python, Databases, Cloud, API Integration, jQuery, Sidekiq, Amazon RDS, Object-oriented Programming (OOP), Web Scraping

Founder | Development Lead

2010 - 2016

Fuseware

开发了一个社交媒体分析平台，该平台通过分片和复制的MongoDB集群实时分析和处理tb级的社交媒体数据.
从头开始建立和管理我自己的SaaS业务, including the securing of funding, scalability, 并最终退出了这项业务，成为一家行业领先的公司.
管理一个由五名开发人员组成的团队，构建和扩展产品. 在整个产品生命周期中担任首席开发人员和架构师以及团队领导.

Technologies: Bootstrap, MongoDB, MySQL, Ruby on Rails (RoR), IT Project Management, Cloud Architecture, Back-end Architecture, Ruby, Git, JavaScript, CSS, HTML, Full-stack Development, CircleCI, Jenkins, GitHub, Database Design, Software Troubleshooting, SQL, Project Scoping, Mentorship, Agile, Firebase, Scalability, Performance, Amazon RDS, Object-oriented Programming (OOP), Web Scraping

Head of Product Development and Analytics

2012 - 2013

Primedia Group

为集团研发新的软件产品和解决方案.
与销售团队联系，提供综合报告和客户分析.
优化出版商网络内的内容管理系统.

Technologies: PHP, Analytics, Dashboards, APIs, Ruby, Git

Experience

Learning Management System

http://www.diversityedu.com

我做了一个学习管理系统的开发和维护，该系统被来自世界各地几十所顶尖大学和公司的数万名学生使用. 确保产品在高负载下保持稳定，安全，功能齐全.

Factory Manufacturing Control System

我曾为一家大型护肤品制造商的工厂开发全自动控制系统. 该系统实现了工厂原料混合和质量控制过程的自动化, 从而提高生产效率，最大限度地减少人为错误.

Agri eCommerce Website

http://www.farmersworld.net

实施了电子商务解决方案，启动了津巴布韦顶级农业设备供应商的在线业务. 该解决方案包括全面推出库存管理, in-store integration, SMS voucher distribution, ERP integration, currency conversion, and payment processor integration.

Online Property Auctions Platform

I was responsible for planning, developing, 并为南非市场推出了一个房地产拍卖门户网站. 这个自动化平台将房地产买家与全国各地的场外房地产交易联系起来.

Skills

Languages

JavaScript, Ruby, CSS, HTML, SQL, C#.NET, C#, Kotlin, GraphQL, Python, PHP

Frameworks

Bootstrap, Ruby on Rails (RoR)

Libraries/APIs

TensorFlow, jQuery, Sidekiq, React, PostgREST, Vue, Node.js

Tools

Git, CircleCI, Jenkins, GitHub, Visual Studio

Paradigms

Data Science, Test-driven Development (TDD), Back-end Architecture, Database Design, Agile, Object-oriented Programming (OOP)

Platforms

Heroku, Android, Amazon Web Services (AWS), New Relic, Linux, WooCommerce, WordPress, Amazon EC2, Firebase

Storage

MongoDB, MySQL, PostgreSQL，数据库，Amazon S3 (AWS S3)

Other

Software Engineering, Software Architecture, Analytics, Product Management, APIs, Dashboards, RESTful Web Services, IT Project Management, Architecture, Cloud Architecture, IT, Ruby Gems, Full-stack, Back-end, Full-stack Development, Software Troubleshooting, Project Scoping, Mentorship, Technical Leadership, Cloud, API Integration, Scalability, Performance, Web Scraping, Project Management & Work Tracking Tools, Serverless, Payment APIs, Amazon RDS, SCADA, Okta, Learning Management Systems (LMS), Artificial Intelligence (AI)

Education

2005 - 2008

计算机与电气工程学士学位(荣誉)

University of Cape Town - Cape Town, South Africa

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