Job description

We are looking for a highly skilled .NET Core Expert to design, build, and maintain enterprise-grade backend systems and APIs. You will take ownership of complex technical solutions across the full software development lifecycle, working closely with architects, product owners, and cross-functional teams to deliver scalable, high-performance, and secure applications. The ideal candidate brings deep expertise in .NET Core / .NET 6–8, microservices architecture, cloud-native development, and modern DevOps practices.

Key responsibilities

• Architect, design, and develop robust, scalable, and high-performance backend solutions using .NET Core / .NET 6 / .NET 7 / .NET 8.
• Build and maintain RESTful APIs, gRPC services, and microservices aligned with domain-driven design (DDD) and clean architecture principles.
• Lead end-to-end feature development from requirements analysis, technical design, coding, unit testing, through to deployment and production support.
• Integrate with third-party services, enterprise systems, and external APIs using REST, SOAP, GraphQL, or messaging platforms.
• Design and optimise relational and non-relational database schemas and queries (SQL Server, PostgreSQL, MongoDB, Redis).
• Implement event-driven and asynchronous communication patterns using Azure Service Bus, RabbitMQ, Kafka, or MassTransit.
• Apply security best practices including OAuth 2.0, OpenID Connect, JWT, data encryption, and secure coding standards.
• Collaborate with DevOps teams on CI/CD pipeline setup, containerisation (Docker), and deployment on Kubernetes or Azure/AWS cloud platforms.
• Conduct thorough code reviews, enforce coding standards, and mentor junior and mid-level developers.
• Contribute to architectural decisions, technical roadmaps, and system design documentation.
• Identify and resolve performance bottlenecks, memory leaks, and scalability issues in production environments.
• Support SIT, UAT, and production releases — investigate incidents and drive root cause analysis.

Requirements

• 6+ years of hands-on experience in .NET development with at least 3 years focused on .NET Core / .NET 5+ (including .NET 6, 7, or 8).
• Deep proficiency in C# — including advanced concepts such as async/await, LINQ, generics, delegates, reflection, and memory management.
• Strong experience with ASP.NET Core Web API, Minimal APIs, and middleware pipeline development.
• Solid knowledge of microservices patterns — API Gateway, CQRS, Event Sourcing, Saga, Circuit Breaker, and Outbox Pattern.
• Hands-on experience with ORM frameworks — Entity Framework Core, Dapper, or NHibernate.
• Proficiency in relational databases (SQL Server, PostgreSQL) — schema design, stored procedures, indexing, and query optimisation.
• Experience with message brokers and event streaming — Azure Service Bus, RabbitMQ, Apache Kafka, or MassTransit.
• Familiarity with cloud platforms — Microsoft Azure (preferred: App Services, Azure Functions, AKS, Service Bus, Key Vault, Application Insights) or AWS.

Important Note:

> Please share your resume in word format with dilip@helius-tech.com

> Important Note: If this requirement is not a match for you please refer to your friends.

> Interested professionals can reach out to me for Confidential Discussion @ +65- 9060-4050.

Best Regards,

Dilip Kumar Daga

Vice President - Strategic Accounts

Helius Technologies Pte Ltd

36, Robinson Road,#13-05, City House, Singapore 068877

DID: +(65) 6429-9407

Mobile: +(65) 9060-4050

Fax: +(65) 62222213

Email id: dilip@helius-tech.com

http://helius-tech.com

Registration No : R1108376

EA Licence No : 11C3373

https://www.linkedin.com/in/dilipdaga/