ASP.Net Lead Architect

Job description

- Full Time
- Remote

About the Role

Company is seeking a highly experienced ASP.NET Lead Architect / Senior Developer to join our team. This role is ideal for a deeply technical professional with proven experience in designing, optimizing, and maintaining high-performance systems within the .NET 5 and Azure ecosystem. You will play a critical role in ensuring scalability, cost efficiency, and top-tier performance of our technology stack while leading the development of new features and delivering timely bug fixes.

This is a highly technical role, requiring advanced problem-solving skills, attention to detail, and the ability to mentor and guide peers in best practices.

Responsibilities

- Architecture & Optimization
- Revamp and fine-tune our ASP.NET web application stack for performance, cost effectiveness, and scalability.
- Design and optimize high-performance API services, proxy technologies, and multi-tenant database infrastructures.
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- Development
- Build new features across backend, web, and mobile applications.
- Ensure clean, maintainable, and scalable code with strong adherence to standards.
- Support legacy Xamarin components where necessary.
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- Maintenance & Operations
- Quickly troubleshoot and fix bugs.
- Oversee CI/CD pipelines to ensure smooth deployments.
- Work with monitoring and observability tools to maintain system health.
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- Collaboration
- Collaborate closely with cross-functional teams (product, QA, DevOps).
- Communicate clearly in English (spoken and written) with stakeholders across geographies.
- Handle “overly confident developers” tactfully, ensuring technical transparency and simplicity.

Tech Stack

Programming Languages

- C# / .NET 5 / ASP.NET Core – Core backend services, API layer, and daemon services
- TypeScript + Angular – Shopify embedded apps, admin portal, CRM features
- React Native (JavaScript/TypeScript) – Mobile apps (iOS/Android, offline capabilities)
- Liquid – Shopify storefront & embedded UI integration
- XML – Domain modeling + code generation workflows
- SQL (T-SQL) – Azure SQL Server (master + tenant databases)
- NoSQL (CosmosDB / MongoDB API) – Operational data, caching, and sync storage

Frameworks & Libraries

- .NET 5 – Services and APIs
- Xamarin.Forms – Legacy mobile components
- Entity Framework Core – ORM for SQL backends
- Mermaid – C4 diagrams (context/container/component)
- Custom XML CodeGen Tools – Auto-generating scaffolding

Platforms & Infrastructure

- Azure Cloud – Core hosting environment
- Azure SQL Database – Master + tenant-sharded stores
- Azure CosmosDB – JSON/NoSQL operational store
- Azure Blob Storage – File storage (documents, exports, results)
- Azure Service Bus – Messaging, event routing, background jobs
- Shopify – E-commerce storefront + embedded integration
- SendGrid – Transactional/notification emails
- Klaviyo – Marketing automation and campaigns
- Calendly – Scheduling integration
- USPS API – Label generation, shipping automation
- Twilio – SMS messaging and alerts

Observability & Ops

- Logging/Tracing – Azure Monitor + custom observability layer
- Metrics – Prometheus-style metrics capture integrated with .NET services
- Backup/Restore – Azure SQL backups + Mongo dump strategies
- CI/CD – Git-based pipelines with automated deployments

Required Qualifications

- 15+ years of professional development experience in complex systems.
- Deep expertise in ASP.NET Core, .NET 5, and Azure.
- Strong understanding of multi-tenant architectures, performance optimization, and cost-effective scaling.
- Demonstrated ability to lead technical initiatives and mentor other developers.
- Advanced English (spoken and written): capable of leading meetings, writing documentation, and engaging in negotiations.
- Proven track record of delivering high-quality, scalable systems.

Soft Skills

- Trustworthy, respectful, and honest.
- Hardworking and committed to delivery.
- High attention to detail.
- Collaborative, not difficult to work with, and effective in managing differing personalities within the team.

Interview Process

- 2–3 interview stages, including technical and behavioral assessments.
- Final decision made by Company’s senior leadership in coordination with the hiring manager.