.Net Developer, Associate

BlackRock
B3G - Skyline Belgrade, Kneza Milosa 88, BelgradePosted 2 April 2026

Job Description

About this role You'll be joining the development team, building next-generation analytics and data visualization solutions for alternative investments. Our platform serves portfolio managers, analysts, and investment professionals, providing real-time insights into fund performance, asset valuations, and risk metrics. The backend system is a sophisticated .NET-based microservices architecture that processes complex financial data through our calculation engine, integrating with enterprise analytics platforms to deliver actionable investment intelligence. Role Overview As an Associate Software Developer, you will contribute to the design, development, and maintenance of mission-critical backend services for the platform. You'll work within a collaborative agile team, taking ownership of features from concept through deployment, while growing your technical expertise in financial technology and distributed systems. Key Responsibilities Development & Implementation (60%) Design, develop, and maintain RESTful APIs using ASP.NET Core Web API (.NET 8.0) Implement business logic within the system architecture Build and optimize data access layers using Entity Framework Core with SQL Server and MongoDB Develop microservices integration using gRPC protocol Implement event-driven architecture components using Azure Service Bus and Rebus messaging framework Create and maintain Docker containerization for services Develop real-time communication features using Azure SignalR Apply CQRS patterns using MediatR for command/query separation Code Quality & Testing (25%) Write comprehensive unit and integration tests using xUnit (target: >80% code coverage) Conduct thorough code reviews for peers, ensuring adherence to coding standards Debug and troubleshoot production issues with systematic root-cause analysis Implement automated testing strategies and participate in continuous integration workflows Ensure code maintainability and documentation standards are met Collaboration & Communication (15%) Participate actively in agile ceremonies (daily standups, sprint planning, retrospectives) Collaborate with product managers, architects, and senior engineers on feature design Document technical specifications and API contracts using OpenAPI/Swagger Mentor junior developers and share knowledge through code reviews and pair programming Communicate technical concepts clearly to both technical and non-technical stakeholders Required Technical Skills Core Technologies 2-4 years of professional software development experience Strong proficiency in C# and .NET Core/.NET 8.0 framework Solid understanding of ASP.NET Core for building web APIs Experience with RESTful API design and implementation Knowledge of object-oriented programming principles and design patterns Understanding of asynchronous programming and concurrent operations Data & Persistence Hands-on experience with Entity Framework Core or similar ORM Proficiency in SQL Server (T-SQL, stored procedures, query optimization) Familiarity with NoSQL databases (MongoDB preferred) Understanding of database design, normalization, and indexing strategies DevOps & Tools Experience with Docker containerization Proficiency with Git version control and branching strategies Familiarity with CI/CD pipelines (Azure DevOps preferred) Understanding of cloud platforms, particularly Microsoft Azure Experience with Postman or similar API testing tools Architecture & Patterns Understanding of microservices architecture principles Knowledge of dependency injection and IoC containers (Autofac/Microsoft.DI) Familiarity with CQRS and event-driven patterns Understanding of authentication/authorization (JWT, OAuth) Preferred Technical Skills Experience with gRPC for inter-service communication Knowledge of message broker systems (Azure Service Bus, RabbitMQ, Kafka) Familiarity with Azure services (Application Insigh ... (truncated, view full listing at source)
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