Strong Middle Backend Developer (.NET/ Node.js) (only Ukraine)

We create solutions that put the client at the center of marketing. Marketing activities begin with an understanding of the client's needs and behavior, not with a product or campaign.

The platform brings together three key components:

rich historical, real, and forecast customer data, AI-controlled orchestration of the client's multi-channel paths, and statistically reliable assessment of the impact of each marketing action.

This allows you to create personalized, efficient, and measurable marketing that is truly customer-oriented.

Now we are looking for a Strong Middle Backend Developer to join our growing international team. In this role, you will work on data-intensive systems, building scalable backend services and contributing to modern data-driven solutions.
You will collaborate with engineers and stakeholders, working in a fully remote environment where communication, ownership, and teamwork are essential.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs
• Build and maintain backend systems using C#/.NET and Type Script/Node.js
• Develop end-to-end features in a complex, data-intensive web application.
• Write clean, maintainable code with strong unit and end-to-end test coverage.
• Collaborate closely with product managers, data teams, and engineers across countries
• Contribute to improving system performance, reliability, and scalability
• Tackle advanced engineering challenges across multiple languages and environments.
• Leverage AI tools and technologies to improve development workflows and product capabilities

Requirements

• 3–5+ years of backend development experience with C# / .NET
• Working knowledge of TypeScript / Node.js (NestJS a plus)
• Solid understanding of microservices architecture
• Experience with SQL databases(MSSQL/Snowflake preferred)
• Experience building and consuming REST APIs
• B.Sc. in computer science or equivalent.

Nice to Have

• Experience with NestJS
• Experience with Angular
• Comfortable with Docker and containerized environments
• Experience with GCP, Kubernetes, CI/CD pipelines
  
  What we offer:
• 20 working days’ vacation; 
• 10 paid sick leaves;
• public holidays;
• equipment;
• accountant helps with documents.