.Net Developer, Associate
BlackRockB3G - 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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