Andrei Reinus, Developer in Tallinn, Estonia
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Andrei Reinus

Verified Expert  in Engineering

Software Architect and Developer

Tallinn, Estonia

Toptal member since March 22, 2022

Expertise
Software Development.NETC#SQLRabbitMQSwaggerDockerASP.NETPHPJavaScriptKubernetesTerraform
Bio

Andrei has been involved in software development for more than 20 years. He started as a web developer and graduated as the chief architect in a large enterprise. Andrei has built a primary line of business applications throughout his career, where his master's degree in business information technology has been beneficial.

Portfolio

Cargoo
ASP.NET, C#, Docker, Kubernetes, Entity Framework, Azure, Azure DevOps
Arvato Infoscore Financial Solutions
.NET, Azure, Terraform
CGI
.NET, C#, RabbitMQ

Experience

  • Software Development - 20 years
  • SQL - 20 years
  • .NET - 18 years
  • C# - 18 years
  • ASP.NET - 15 years
  • Software Architecture - 9 years
  • Azure - 6 years
  • Terraform - 3 years

Availability

Part-time

Preferred Environment

.NET, Docker, Kubernetes, Azure, Terraform, ASP.NET

The most amazing...

...thing I've built is a team from scratch that transformed an enterprise using an on-premise legacy application to a cloud-native application.

Work Experience

Technical Lead

2021 - PRESENT
Cargoo
  • Modernized development practices. I switched teams away from multiple long-living git branches to feature branch practices. It required building from scratch a dynamic, individualized environment for each developer, tester, and stakeholder.
  • Standardized multiple cross-team concerns like how we log, configure, perform database updates, and deploy.
  • Led the process of splitting semi-monolithic services into smaller components. The practice required standardizing message passing practices to decouple services and forced to use asynchronous communication.
Technologies: ASP.NET, C#, Docker, Kubernetes, Entity Framework, Azure, Azure DevOps

Chief Architect

2015 - 2021
Arvato Infoscore Financial Solutions
  • Built, hired, and managed a team 20 of software professionals for two and half years. I was hired as the company's first employee when it opened its development center in Tallinn, Estonia.
  • Drove forward Tallinn's and the groups' technical excellence when I got promoted to chief architect. Oversaw projects, consulted other architects and teams, and assisted CIO.
  • Migrated one of the core applications to the cloud with great success. Before me, the entire group stayed away from the cloud for various reasons. I pinpointed the opportunities and challenges of adopting the cloud.
Technologies: .NET, Azure, Terraform

Architect

2013 - 2015
CGI
  • Built with a team a cloud-based application to display daily menus across 45 locations across Finland.
  • Established training and knowledge-sharing practices inside the organization.
  • Created a proof of concept for the future paperless court system in Estonia. POC was a prerequisite for a government tender. Left the company before delivering the final product, but at that moment, it was on time and budget.
Technologies: .NET, C#, RabbitMQ

Developer

2001 - 2013
Various Companies
  • Transformed one employer to use sound practices in development. They used to write directly to the server with PHP. Introduced git, automatic deployment, and pull requests.
  • Used automated testing as a cornerstone practice across all companies I have worked for.
  • Managed constant communication and knowledge sharing, which are essential for organizations to succeed.
Technologies: C#, SQL, PHP, JavaScript

Afterpay

Afterpay is the pay-after-delivery solution for merchants and customers. Merchants have an additional payment option in their checkout, and customers can purchase products with options to pay 14 days after delivery.

I led a team that designed, built, and operated the merchant-facing API.
2016 - 2018

Master's Degree in Business Information Technology

Tallinn Technical University - Tallinn, Estonia

Libraries/APIs

Entity Framework

Tools

RabbitMQ, Terraform

Languages

C#, SQL, PHP, JavaScript

Frameworks

.NET, Swagger, ASP.NET

Platforms

Docker, Kubernetes, Azure

Paradigms

REST, Azure DevOps

Other

Software Development, Software Architecture

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