We are looking for a Senior Back-end Developer to join our strong friendly team to develop from scratch the platform for an oil trading company!

The position goal: development of the server part of the system from scratch in accordance with the requirements.

The main responsibilities:
• Designing system components
• Development of a logical structure, architecture
• Project support
• Designing and maintaining a RESTful web API

Required skills and technology stack:
• At least 3 years of experience in developing complex applications and web infrastructure
• Knowledge of .NET Framework, .NET Standard, C#, ASP.NET MVC \ WebAPI
• Experience with .NET Core 2+ (we use .NET 5)
• Experience with Entity Framework \ Entity Framework Core
• Development of secure systems (HTTPS, TLS, etc.)
• Knowledge of MS SQL (we use MS SQL 2019)
• Experience with version control systems (Git)

It will be a plus - experience with:
• The design of highly loaded scalable systems
• TypeScript, Node.JS, Angular
• Integrations with third-party systems
• Writing and optimizing stored procedures
• Writing and optimization of SQL queries and LINQ queries

What do we offer:
• Individual program of development
• Work in a comfortable office
• Progressive system of salary, regular salary review, financial stability
• Career planning and regular performance reviews
• 20 working days of paid vacation, paid sick leave
• Medical insurance, sport compensation
• Really good team and democratic management, many works in the company for a long time and sincerely committed to their cause

About Onseo

ONSEO is a space in which new projects, opportunities and products are born on the basis of diverse experience, knowledge and communication.

We are a modern international IT - company based in Ukraine, in which every staff member has:
opportunity for professional development - versatile tasks and projects of the company allow employees the opportunity to develop their own professional skills.
stability - the company takes care of its employees and ensures their stable work despite external crises (17 years on the global market)
social guarantees (paid vacation, medical insurance,compensation of expenses for sport, free english lessons)
comfortable psychological atmosphere: the work of each is valuable and noticeable to top management and colleagues.

We are united by the idea of creating world-class projects and products. And we have everything necessary for this: possession of a wide stack of technologies, a proven professional team and a reliable business support system, authority in international markets. And the most important thing is the experience and ability to integrate modern technologies into new projects, ideas, solutions.

Are you an IT specialist looking for a progressive company to work at? Join ONSEO team!

Company website:

DOU company page:

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