Justus is available for hire
Hire JustusJustus Burger
Verified Expert in Engineering
Software Developer
Location
Stockholm, Sweden
Toptal Member Since
July 31, 2014
Justus于2008年开始担任全栈开发人员，自2016年以来一直担任一家领先房地产公司的软件架构师. He has 14+ years of experience developing software using .NET, .NET Core, Node.js, React, etc. Justus精通微服务架构，并使用Docker和Kubernetes开发了最先进的DevOps管道. Justus沟通非常好，注重细节，始终如一地提供高质量的产品.
Portfolio
Leadhome
Kubernetes, React, Node.js, .NET Core
Psypher
WordPress, PHP, AngularJS
Bondspark
.NET Core, PostgreSQL, React
Experience
Availability
Part-time
Preferred Environment
Amazon Web Services (AWS), Kubernetes, React, Node.js, .NET Core
The most amazing...
...thing I've developed is a microservice stack with a GitOps build pipeline, RabbitMQ inter-service communication, and Kubernetes hosting on AWS.
Work Experience
Software Architect
2016 - 2021
Leadhome
- Built a GitOps build pipeline, 在AWS EKS上托管的Kubernetes集群上编排登台和生产环境.
- Created a buyer leads service using .NET Core, PostgreSQL, Redis, and Hangfire. This service contains a weighted assignment engine and a lead-scoring mechanism.
- 开发了一个GraphQL网关服务，该服务聚合来自许多底层微服务的数据，并使用JWT执行身份验证和授权.
- Programmed a global search service, aggregating data from many underlying microservices, that provides lightning-fast and applicable search results using Elasticsearch.
- Constructed a custom CRM using React and GraphQL, used by 100+ employees daily. 这包括对联系人、公司、事件、线索、列表等的管理.
- Built many NuGet and npm libraries, used on many services to provide functionality like RabbitMQ communication, consistent request, error logging, and React components.
- Created much of what you see at Leadhome.co.za using React, Redux, and Node.js. This property portal allows you to book viewings for properties and much more.
- 开发了一个React组件库，用于组成CRM界面的微ui, including everything from buttons to reusable forms and data providers.
- 管理一个由三个开发人员组成的团队，交付CRM使用的一些以客户为中心的服务.
Technologies: Kubernetes, React, Node.js, .NET Core
CTO, Founder
2014 - 2021
Psypher
- Coached and managed developers and designers in the process of developing software.
- Developed the company website using AngularJS, PHP, and WordPress.
- Built a variety of client websites, listed on Psypher.co.za.
- Created a client website development starting kit to kickstart projects.
Technologies: WordPress, PHP, AngularJS
Software Developer
2019 - 2020
Bondspark
- Developed the website that can be seen at http://bondspark.co.za.
- 建立了一个负担能力计算器，允许用户计算他们的估计住房贷款金额和还款总额, considering interest rate and more.
- 建立了一个还款计算器，允许用户计算每月偿还的债券.
Technologies: .NET Core, PostgreSQL, React
Senior Full-stack Web Developer
2014 - 2016
FanAngel
- Developed an SPA Web UI using AngularJS and TypeScript.
- Collaborated in the development of a REST JSON API, using PHP and Laravel.
- Developed distribution compilation and packaging scripts for easy deployment.
- 将PSD设计与HTML5, CSS3和Bootstrap分割并应用，以创建响应式用户界面.
- Integrated UI libraries like JWPlayer, Markdown, MomentJS, and Velocity to create a rich and cutting-edge experience.
- Hosted using AWS Elastic Beanstalk.
Technologies: MySQL, Laravel, PHP, AngularJS, TypeScript
Senior Full-stack Web Developer
2015 - 2015
Anza Flooring
- 使用Photoshop, HTML5, CSS3和Bootstrap设计和开发自定义WordPress主题.
- Developed a photo library using custom post types and custom page templates.
Technologies: WordPress, JavaScript, CSS3, HTML5
Senior Web Developer
2015 - 2015
Christ Gen
- Designed a minimalist and modern website using Photoshop.
- Sliced PSD designs using HTML, CSS, and Bootstrap.
- Developed custom WordPress themes, using custom post types and custom page templates.
Technologies: WordPress, PHP, CSS3, HTML5
Web Developer
2014 - 2014
Context A3
- Created a mobile site used for onsite social sharing of campaigns and events.
- Integrated with Twitter, Facebook, and Bitly to enable social sharing.
- Developed a metrics service that updates regularly, collecting the social interactions on posts made via the mobile site.
- Built a responsive desktop site and admin area for campaign management.
- Wrote an ASP.NET Web API serving data to two Angular sites.
- Created a performance page with graphs using D3 showing the metrics data collected.
- Set up hosting on Azure websites and cloud services.
Technologies: Azure, TypeScript, Less, Bootstrap, D3.js, Angular, JavaScript, CSS, HTML, ASP.NET
Web Developer
2014 - 2014
TurboRoster
- 创建了一个类似于谷歌日历的日历，用于安排和查看所提供的健身课程.
Technologies: AngularJS, JavaScript, CSS, HTML, ASP.NET
Senior Software Developer
2013 - 2014
MiX Telematics
- Developed a fleet management web application called DynaMiX, 包括帕玛拉特在内的大公司使用的车辆位置和事件跟踪, Shell, the Belgian police force, and more.
- 创建了一个具有类似tweetdeck的用户体验的信息中心组件，用于管理事件, jobs, and messages.
- Built a fleet administration component enabling users to manage fleet details, servicing records and reminders, vehicle access control, mobile tracking unit configuration, and lots more.
- 编写一个托管和操作组件，使支持人员能够创建新的客户端数据库, manage organizational settings, and more.
- Developed unit tests to ensure product stability and minimize regression.
- 为跟踪组件提供支持，使用户能够查看当前和历史旅行数据.
- 创建通知组件，允许用户为车辆事件创建自定义通知.
Technologies: Microsoft SQL Server, JavaScript, HTML, AngularJS, Nancy, ASP.NET
Senior Software Developer
2013 - 2013
Global Kinetic
- 开发了一个与移动应用程序一起使用的WordPress插件，以启用免密码登录平台.
- Created a JavaScript component to simulate websocket type behavior.
- Built a Joomla! plugin for use with a mobile application to enable a password-free sign-in platform.
- 编写了一个与移动应用程序一起使用的Drupal插件，以启用免密码登录平台.
Technologies: JavaScript, HTML, MySQL, PHP, Microsoft SQL Server, ASP.NET
Software Developer
2011 - 2013
New Media Labs
- 为Nedgroup Investments开发并支持投资管理web应用程序.
- 为尼德集团投资公司建立一个注重可维护性和降低未来开发成本的自定义报告框架.
- 为尼德集团投资公司创建了一个可视化摘要报告的仪表板图表框架.
- Developed and managed the team for a mobile web application for Mr. Delivery.
- Built and supported a custom CMS solution.
- 创建单元和集成测试框架，以确保产品的稳定性和检测回归.
- Integrated with data warehouse web services for use on reporting pages.
Technologies: MySQL, PHP, Microsoft SQL Server, JavaScript, HTML, ASP.NET
Senior Web Developer
2011 - 2012
StudioSOKO
- Developed an online shop for the sale of various items such as maternity wear, home decorations, gifts, and more.
- 建立了一个卖家商店前端组件，允许用户注册为卖家，并在网上销售自己的自制物品.
- 创建了一个管理组件，用于监督交易和新卖家注册.
- Programmed a shopping cart component to allow buyers to add items to their cart, specify product options, and pay by credit card.
- 编写一个类别搜索和菜单组件，以便在寻找产品时创建更好的用户体验.
Technologies: CodeIgniter, JavaScript, HTML, MySQL, PHP
Web Developer
2011 - 2011
Hello Computer
- Developed the main and mobile websites for Colgate toothpaste.
- Built a 360° view component for use on the Tutch Card website.
- Provided support and developed extensions for the main site of Huggies diapers.
- Created a RESTful PHP API enabling persistence for Flash games for Castle Light Beer.
- Supported the main company website.
Technologies: Adobe Photoshop, JavaScript, HTML, PHP
Software Developer
2008 - 2011
New Horizons
- 支持并开发了一个用于管理学生、课程和公司财务的定制CRM系统.
- 在全国各地演讲各种开发技术，包括 .NET, PHP, Java EE, JavaScript, and more.
- Built a replacement CRM system while focusing on maintainability and future expansion.
- Developed and optimized reports to reduce load time and fix accuracy issues.
- 创建了一个电话录音系统，允许销售顾问捕捉电话对话以备将来参考.
Technologies: PHP, JavaScript, HTML, Microsoft SQL Server, ASP.NET
Experience
Leadhome
http://www.leadhome.co.zaTurning the real estate industry on its head, Leadhome是南非第一家使用惊人的技术和自动化使买卖过程负担得起的机构.
The tech consists of multiple layers of magic. In the front sits a next-gen fully isomorphic React + Redux website. This is served by a .NET API抽象了与PostgreSQL DB、Salesforce和一些数据提供程序的集成. 该网站还使用了来自自定义WordPress实例的REST API，作为一个令人惊叹的内容管理平台.
All of this is hosted on AWS and published with a full continuous integration system.
The tech consists of multiple layers of magic. In the front sits a next-gen fully isomorphic React + Redux website. This is served by a .NET API抽象了与PostgreSQL DB、Salesforce和一些数据提供程序的集成. 该网站还使用了来自自定义WordPress实例的REST API，作为一个令人惊叹的内容管理平台.
All of this is hosted on AWS and published with a full continuous integration system.
Bondspark
http://bondspark.co.zaBondspark专门从事债券发行，并整合了南非所有主要的住房贷款提供商. Providing a fully online application process and world class support, 作为最受期待的金融科技公司之一，Bondspark在南非处于领先地位.
FanAngel
http://fanangel.comFanAngel是一个众筹平台，用户可以根据球队或球员在球场上的表现向他们喜欢的慈善机构捐款或承诺.
FanAngel is an AngularJS UI consuming a PHP and Laravel JSON API.
FanAngel is an AngularJS UI consuming a PHP and Laravel JSON API.
Psypher Website
Website for my personal company, Psypher. AngularJS UI with WordPress JSON API.
DynaMiX by MiX Telematics International
http://www.mixtelematics.comMiX Telematics是车队管理和远程信息处理解决方案的国际领导者. DynaMiX is the latest in fleet management solutions, using cutting-edge technologies and built by some of the best in the industry.
Nedgroup Investements
http://www.nedgroupinvestments.co.zaNedgroup Investments是南非领先的投资管理公司之一. Nedgroup Investments is a division of Nedbank Group, Ltd, a large and stable financial services group, and provides both local and offshore investment management services.
Expensetracker.co.za
Expensetracker.co.za is a simple yet powerful expense tracking web application. It uses the latest and greatest technologies making it super sleek and performant.
All the code can be found http://github.com/justusburger/expensetracker for technical review purposes.
All the code can be found http://github.com/justusburger/expensetracker for technical review purposes.
iWomp
一个社交分享平台，让用户可以在他们的社交渠道上分享好交易或好产品的信息.
Education
2008 - 2011
Microsoft Certified Software Developer's Degree in Distributed Software Development
Microsoft - Washington
2008 - 2011
Technical Degree in Software Engineering
New Horizons - Cape Town, South Africa
Skills
Libraries/APIs
React, Node.js, Moq, LINQ, D3.js
Tools
Babel, Webpack, Grunt, WebStorm, RabbitMQ, Adobe Photoshop, Figma
Frameworks
Redux, ASP.NET, .NET Core, Cypress, CodeIgniter, Nancy, AngularJS, Angular, Bootstrap, Laravel
Languages
C#, HTML5, JavaScript, CSS3, GraphQL, SQL, PHP, HTML, CSS, Less, TypeScript, Python
Paradigms
测试自动化，单元测试，测试驱动开发，敏捷软件开发
Platforms
MacOS, WordPress, Kubernetes, Docker, Amazon Web Services (AWS), Linux, Azure
Storage
MySQL, Microsoft SQL Server, Elasticsearch, Redis, PostgreSQL
Other
Freelancing, GitOps, Apollo, Domain-driven Design (DDD)
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