Job Description

Role: Senior .NET Developer / Solution Architect Location: Sydney, Australia Work Arrangement: Hybrid / Onsite Experience: 8+ Years Job Overview n

We are looking for a highly experienced Senior .NET Developer / Solution Architect with strong hands-on development expertise and proven experience in solution architecture, system design, and technical leadership .

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The ideal candidate should be capable of moving beyond development into end-to-end solution design , defining architecture, integration patterns, technology standards, and technical roadmaps for complex enterprise applications.

Key Responsibilities n

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- Lead the architecture and technical design of enterprise applications using Microsoft .NET technologies .
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- Design scalable, secure, and high-performing solutions using C#, .NET Core / .NET 8, ASP.NET Core and Web API .
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- Define solution architecture, application architecture, integration architecture, and technical roadmaps .
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- Design REST APIs, microservices, event-driven architectures, and distributed systems .
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- Evaluate existing applications and recommend modernization, re-platforming, and cloud migration strategies .
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- Define integration patterns between applications, databases, third-party systems, and cloud platforms.
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- Work closely with business stakeholders, Product Owners, Business Analysts, and Enterprise Architects to translate business requirements into technical solutions.
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- Provide technical leadership to development teams and conduct architecture and code reviews .
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- Establish and enforce design principles, coding standards, security practices, and architectural best practices .
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- Identify technical risks, scalability challenges, performance issues, and recommend appropriate solutions.
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- Support development teams throughout the SDLC , from design through implementation, deployment, and production support.
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- Contribute to CI/CD, DevOps,



containerization, and cloud-native architecture .
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- Mentor senior developers and provide technical guidance on complex engineering problems.
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Mandatory Technical Skills n

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- 8+ years of experience in .NET / C# development .
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- Strong hands-on experience with .NET Core / ASP.NET Core / Web API .
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- Proven experience in Solution Architecture / Application Architecture .
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- Strong experience designing enterprise-scale applications and distributed systems .
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- Strong knowledge of Microservices architecture and RESTful APIs .
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- Experience with Azure or AWS cloud architecture .
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- Solid understanding of integration patterns, messaging, APIs, and system-to-system integrations .
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- Knowledge of SOLID principles, design patterns, DDD, and clean architecture .
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- Experience with Docker / Kubernetes is preferred.
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- Experience with CI/CD and DevOps practices .
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- Strong understanding of application security, scalability, availability, and performance .
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Candidates should have demonstrated experience in: n

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- Creating High-Level Design (HLD) and Low-Level Design (LLD) .
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- Making technology and architecture decisions.
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- Defining solution architecture diagrams and technical specifications .
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- Leading technical discussions with stakeholders.
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- Reviewing and approving technical designs.
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- Managing technical dependencies and integration points.
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- Guiding development teams on architecture implementation.
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- Working in Agile/Scrum enterprise environments.
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Preferred nn
- Experience with Azure services, Azure DevOps, AKS, Service Bus, Functions, API Management , or equivalent AWS services.
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- Experience with React / Angular .
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- Knowledge of Kafka, RabbitMQ, or other messaging platforms .
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- Experience with API Gateway / Enterprise Integration .
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- Experience with cloud migration and application modernization .
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- Australian enterprise/project experience is an advantage.
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📌 Senior Dotnet Developer (Sydney)
🏢 E-Solutions
📍 Sydney