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Senior Full Stack .NET / Angular Developer (Only W2)

Ekcel SystemsNew York, NY🇺🇸United StatesPosted Sep 22, 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
New York, NY, United States
Posted
6 days ago
RxJSSQLSQL ServerAPI GatewayAngular.NETKafkaRabbitMQWebSocket

Job Description

Hi,
Hope you are doing well. We have the position below. 
 
Senior Full Stack .NET / Angular Developer (Only W2)
Location: New York
LongTerm
Onsite
F2F IS REQUIRED.
### Work Authorization

W2 candidates only.
Experience: 8+ years overall
Core Stack: .NET Core, Angular, SQL Server, Kafka/RabbitMQ

Required Skills & Experience

* .NET Backend – 8+ years
    * Core Web API on IIS
    * Entity Framework Core, including migrations, temporal tables and schema isolation
    * Domain-Driven Design: aggregates, domain events, anti-corruption layers
    * RESTful API design, contract-first/versioned/ paginated APIs
    * API Gateway / BFF patterns
    * CQRS / MediatR
    * Hangfire background jobs
    * SignalR
* Angular Frontend – 5+ years
    * Component architecture, lazy-loaded modules and reactive forms
    * RxJS and NgRx state management
    * SignalR/WebSocket real-time UI
    * Strong UX understanding and ability to work with business/operator SMEs to modernize legacy screens
* SQL Server – 5+ years
    * High-volume/scalable schema design and partitioning
    * Archival strategies and read/write separation
    * 3NF normalization and schema-per-service
    * Advanced indexing: clustered, filtered and covering indexes
    * Constraints and temporal tables
    * Performance optimization using Query Store, execution plans, wait statistics and index tuning
* Distributed Systems & Messaging – 5+ years
    * Production-level Kafka and/or RabbitMQ
    * Partitioning, consumer groups, exchange types, dead-letter handling, exactly-once semantics and HA/clustering
    * Transactional outbox
    * Saga/process-manager patterns
    * Idempotent consumers
    * Circuit breakers, retry/backoff and bulkhead isolation
    * Event-driven architecture and contract-first API design

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