13 липня 2026
Senior .NET Developer | Railroad Ticket Selling System
Київ, Харків, Львів, Дніпро, Одеса, Краків (Польща), Лодзь (Польща), Люблін (Польща), Тбілісі (Грузія), Вроцлав (Польща), Єреван (Вірменія)
$4500–5500
DataArt helps to modernize and develop the IT system of an independent online retailer of railroad tickets. The company’s annual income exceeds 100 million euros.
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.
Technology stack: .NET (always working with the newest versions), microservices, REST API, MSSQL migrating to Postgres, DynamoDB.
Responsibilities
- Refactoring and expanding the ticket selling system
- Develop, enhance, and maintain high-quality, scalable code
- Work collaboratively with cross-functional teams to support the implementation of new features and achieve their objectives
Requirements
- 7+ years of backend development experience
- 7+ years of experience in commercial software development on the .NET platform
- Understanding of and experience working with C#
- Hands-on AWS experience with S3, ECS, Lambda, queues (SQS), and cloud workflows.
- Experience with cloud-hosted microservices, APIs deployed in the cloud, resilience patterns (timeouts, retries), cloud-native design, and observability.
- Development experience with .NET
- 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
We have had a great and successful partnership with the client for many years, you’re joining a trusted, established team with strong engineering culture and practices (automated testing, CI/CD).