Position: Senior Backend .NET Core Developer
About us:
We develop smart, sustainable, and scalable digital solutions that help organizations simplify and manage business processes efficiently and effectively, transform data into decisions, and unlock new opportunities for growth and innovation.
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Role Overview
We are seeking a Senior Backend .NET Core Developer to design and implement highly scalable microservices using Domain-Driven Design (DDD), event-driven architectures, and gRPC APIs. You’ll build performance, secure data layers with EF Core and MS SQL Server, integrate robust authentication/authorization, and drive best practices across the team.
- Architect & develop microservices – apply DDD to define bounded contexts and aggregates; implement CQRS; build modular .NET Core services
- Design event-driven solutions – implement publish/subscribe workflows with RabbitMQ/Azure Service Bus/Kafka; handle event contracts, serialization, idempotency
- Optimize data access & performance – model schemas in MS SQL Server; tune EF Core queries; profile and resolve bottlenecks (caching, indexing, async patterns)
- Enforce security & compliance – integrate JWT, OAuth 2.0/OpenID Connect (OpenIddict/IdentityServer); apply secure coding practices, encryption, secrets management
- Collaborate & mentor – partner with Product Owners, QA, Front-end, and Mobile teams to clarify requirements; lead code reviews and share best practices
- Estimate & plan – provide high-level effort estimates with strong accuracy and adjust plans under pressure
Required Qualifications
- Bachelor’s in Computer Science/Engineering or equivalent
- 6+ years hands-on .NET Core and C# experience; deep understanding of both .NET Framework and .NET Core
- Deep understanding of microservices and distributed systems programming models
- Proven background in event-driven architectures (pub/sub, event sourcing)
- Expert with Entity Framework Core and MS SQL Server (T-SQL, indexing, migrations)
- Solid experience with authentication & authorization frameworks (JWT, OAuth2, OpenID Connect)
- Strong knowledge of GOF design patterns and SOLID principles
- Strong understanding of network fundamentals (HTTP, TCP/IP)
- Demonstrated ability to profile and optimize high-throughput services
- Strong experience with multithreading programming models
- Excellent analytical, problem-solving, estimation, and communication skills
- Agility and ability to work effectively under pressure while keeping commitments
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