Senior .NET Developer

TeleTrader d.o.o.  is part of baha Group, a software company specialized in stock market data and financial analysis, offering a broad portfolio of tools for the processing, visualization and analysis of stock market data. As a global company, active on the international market and headquartered in Vienna, Austria, TeleTrader develops its software in Belgrade, while selling its products globally across Europe, North America, and Asia.

We’re looking for a Senior .NET Developer to join our growing backend team. In this role, you’ll design and deliver resilient services that power our crypto payment infrastructure. You'll be part of a forward-thinking engineering culture that values ownership, quality, and clear communication.

What You’ll Do: 

• Develop and maintain backend services using modern .NET (6 and beyond)
• Apply CQRS, Domain-Driven Design (DDD), and Event-Driven Architecture patterns
• Containerize services using Docker and manage workloads with Kubernetes
• Write well-tested, performant code using Test-Driven Development (TDD)
• Work with Entity Framework and SQL Server to manage data access and modeling
• Collaborate in Agile teams and participate in code reviews, architecture discussions, and delivery planning
• Contribute to high-level documentation and internal knowledge sharing
• Mentor teammates and support a strong team engineering culture

What We’re Looking For: 

• 6+ years of professional experience in .NET development
• Hands-on experience with .NET 6+, C#, and backend API development
• Strong grasp of SOLID principles and clean architecture
• Experience deploying containerized applications with Docker and Kubernetes
• Deep knowledge of Entity Framework and working with SQL Server
• Practical experience with CQRS, DDD, and event-driven systems
• Agile mindset and proficiency with TDD practices
• Excellent documentation and communication skills
• Ability to lead or mentor others in a collaborative environment

Preferred Qualifications:

• Experience with Azure DevOps and YAML-based CI/CD pipelines
• Familiarity with API-first development, including GraphQL and REST
• Experience working with OAuth 2.0, OpenID Connect, IdentityServer, and IdentityModel
• Exposure to Azure cloud services
• Familiarity with frontend frameworks like React and TypeScript is a plus
• Experience in crypto, fintech, or blockchain-based platforms

What We Offer:

• Work in an established company with market leadership
• Be part of an experienced and dynamic team
• The advantage of learning the cutting-edge technologies
• Internal education
• Flexible working hours
• Professional physiotherapist (massage and exercises)
• Fully equipped gym in company premises
• Fruit and hot beverages for employees
• Team-building and sports activities
• Employee discounts