.NET Full Stack Developer

Unidor; Florham Park (NJ); On-site; USD 100,000 - 130,000; Full time

Job summary

Unidor is looking for a skilled .NET Full Stack Developer with strong backend expertise in .NET Core and a working knowledge of modern frontend technologies like ReactJS. This position focuses on developing scalable, production-grade applications. Responsibilities include backend service design and frontend component enhancement. Candidates should have 8+ years of software development experience and must be US citizens. The role offers an opportunity to work with LLM integrations and event-driven systems.

Qualifications

• 8+ years of overall software development experience.
• Strong hands-on experience with .NET Core.
• At least 1 year of recent experience with ReactJS.
• Ability to write clean, production-ready code.

Responsibilities

• Design, develop, and maintain backend services using .NET Core.
• Build and enhance frontend components using ReactJS.
• Integrate third-party APIs, including LLM-based services.
• Collaborate with cross-functional teams on architecture.

Skills

.NET Core

C#

Entity Framework

LINQ

ReactJS

JavaScript

SQL Server

TypeScript

Tools

Docker

Kubernetes

CosmosDB

RabbitMQ

Azure Service Bus

Job description

We are looking for a highly skilled .NET Full Stack Developer with strong backend expertise in .NET Core and working knowledge of modern frontend technologies like ReactJS. This role requires a hands‑on developer who can write clean, efficient code and contribute to building scalable, production‑grade applications.

Looking for US Citizensonly.

Key Responsibilities

• Design, develop, and maintain backend services using NET Core.
• Build and enhance frontend components using ReactJS (20-25% UI contribution)
• Work with Entity Framework, LINQ, and SQL Server for data access and management
• Integrate third‑party APIs, including LLM‑based services (OpenAI, Azure OpenAI, etc.)
• Develop AI‑driven workflows including prompt engineering, response handling, and validation
• Build scalable, event‑driven systems using tools like Service Bus or RabbitMQ
• Design and optimize data models using CosmosDB or other NoSQL databases
• Collaborate with cross‐functional teams on architecture and system design
• Participate in code reviews, testing, and deployment processes

Required Qualifications

• 8+ years of overall software development experience
• Strong hands‑on experience with .NET Core (mandatory)
• Proficiency in C#, Entity Framework, and LINQ
• Experience with SQL Server (basic querying and data handling)
• At least 1 year of recent experience with ReactJS
• Solid understanding of JavaScript (TypeScript is a plus)
• Familiarity with React concepts (component lifecycle, state, props, hooks)
• Ability to write clean, production‑ready code with minimal supervision

Preferred / Nice to Have

• Experience with LLM integrations (OpenAI, Anthropic, Azure OpenAI)
• Knowledge of AI pipelines (prompt engineering, streaming responses, hallucination handling)
• Experience with Next.js (App Router, Server Components)
• Exposure to event‑driven architecture (RabbitMQ, Azure Service Bus)
• Experience with CosmosDB or other NoSQL databases
• Familiarity with Docker, Kubernetes, or basic DevOps practices

Interview Process

• Scenario‑based technical discussions
• Hands‑on coding evaluation with output verification
• Focus on real‑world problem‑solving (less emphasis on DSA)