Position: Senior .NET Engineer, Tickets Selling System
Company: DataArt
Experience required: 3y
English level: upper

CLIENT
The company is one of the regional leaders in the industry and is currently launching its new product, an international platform for ticket sales. The company's annual income exceeds 100 million euros.

PROJECT OVERVIEW
The client uses various tools to reach their customers, such as a mobile app, a responsive web application, or communicating with them directly through the call center. The system is very complex, it must comply with a large number of regulations. We provide APIs for different clients including the biggest Global Distribution Systems (GDSes). We also provide solutions that are labeled by more than half Train Operating Companies (TOC's) in UK. Our client is committed to ensuring that the system will be as modern as possible. It is based on microservice architecture with the use of continuous integration, where a few hundred components operate independently of each other and can be used as they become available. This increases the modularity of the system and optimizes the use of the services. All components run on AWS. Project uses React on Frontend and .NET (50%) and Node.js (50%) on Backend. Backend also includes .NET Core, .NET 5, REST API, MSSQL, Exress.js, Node.js. Frontend also includes React, Redux, Redux Saga.

TEAM
Several independent teams are working on the project. The goals of each team are limited to the part of the system they're working on. DataArt's specialists are working on the back-end in one of the teams. Project has a team of 7 frontend engineers, 8 engineers who work mostly on backend and 2 full stack engineers.

Responsibilities:

New features 70 % (you and your team will be fully responsible for the full SDLC – including analysis, making technical decisions, automated testing, quality, and deployment of features)
Maintenance / Bug fixing 20 %
Documentation 5 % (a short document on the wiki knowledgebase)
Meetings 5-10 % (Slack, Zoom, Face2Face)

Requirements:

3+ years of backend development experience
3+ years of experience in commercial software development on the .NET platform
Understanding of and experience working with C#
Development experience with Node.js
Strong skills in Clean Code and OOP
Knowledge of WebAPI
Understanding of microservices architecture
Experience with unit testing (like nUnit) and mocking frameworks (preferred Moq)
Experience with dependency injection (preferred Autofac)
Knowledge of Entity Framework or NHibernate
Experience working with any DBMS system
Understanding of SOLID principles
Understanding of Agile development methodology
Good spoken English

Nice to have:

Knowledge of basic Authentication: types of Authentication, JWT, OAuth 2.0, OpenId Connect