.NET Backend Developer

Requirements

• ASP.NET Core Web API on IIS; Entity Framework Core (advanced: migrations, temporal tables, schema isolation)

• Domain-Driven Design in practice: aggregates, domain events, anti-corruption layers

• API design (RESTful, contract-first, versioned, paginated) including API Gateway / BFF patterns

• CQRS (MediatR), durable background jobs (Hangfire), real-time push (SignalR)

• Angular Frontend (5+ years)*

• Component architecture, lazy-loaded modules, reactive forms, RxJS

• State management with NgRx; real-time UI via SignalR/WebSocket

• Strong UX sensibility. Able to collaborate with operator SMEs and achieve mental-model parity with legacy screens

• SQL Server (5+ years)*

• Scalable schema design: high-volume tables, partitioning for growth, archival strategies, read/write separation

• Core design craft: normalization (3NF+), schema-per-service, indexing strategies (clustered, filtered, covering), constraints, temporal tables

• Performance optimization: Query Store, execution plan analysis, wait statistics, index tuning

• Distributed Systems & Messaging (5+ years)*

• Kafka/RabbitMQ at production depth: partitioning, consumer groups, exchange types, dead-letter handling, exactly-once semantics, clustering/HA

• Patterns: transactional outbox, saga/process manager, idempotent consumers

• Resilience: circuit breaker, retry with backoff, bulkhead isolation

• Event-driven architecture; contract-first API design

Nice to have skills

• SQL Server Service Broker - conversation lifecycle, activation, cross-instance endpoints, cert-based auth

• On-prem Azure DevOps pipelines (YAML, self-hosted agents)

• IIS deployment automation (Web Deploy / msdeploy)

• PowerShell scripting for failover runbooks and environment automation

• Exposure to electric util ity / OT / safety-critical systems