.NET Tech Lead – REST Microservices, AWS & Docker

Quantum Technologies. LLC; Fort Mill, Northern (SC, KY); Hybrid; USD 110,000 - 140,000; Full time

Job summary

Quantum Technologies LLC is seeking a senior software engineer to design and implement C# applications with multithreading and async patterns. You will build RESTful APIs and microservices using ASP.NET Web API, ensure secure authentication via tokens/OAuth, and leverage AWS services for cloud deployment.

Responsibilities include implementing distributed caching, messaging with queues, and working with SQL Server, SSIS/SSRS for data services.

Qualifications

• Proficient in C# with multithreading and async programming.
• Strong command of OOP concepts, SOLID principles, and design patterns.
• Experience building REST APIs and microservices using ASP.NET Web API.
• Secure web applications using authentication tokens, certificates, OAuth, etc.
• Hands-on with caching and distributed caching.
• Experience with pub/sub messaging and queues (at least one system).
• Strong SQL Server skills including joins, stored procedures, functions, and complex queries; SSIS and SSRS experience.
• Mandatory AWS services experience: Lambda, CloudWatch, API Gateway, S3, EC2, SNS, SQS, ELB.
• Familiarity with Docker, Kubernetes, Kafka, MQ; IAM and SaaS architecture knowledge.
• UI framework familiarity is a plus.
• Excellent business communication and client-facing consulting experience.

Skills

C# Multithreading

Async programming

OOP & SOLID

Design Patterns

REST API

Microservices

ASP.NET Web API

OAuth & Tokens

IAM & Access Control

Distributed Caching

Message Queuing

SQL Server & T‑SQL

SSIS/SSRS

AWS (Lambda, CloudWatch, API Gateway)

Docker

Kubernetes

Kafka

MQ

Tools

Docker

Kubernetes

Kafka

MQ

Job description

Quantum Technologies LLC is seeking a senior software engineer to design and implement C# applications with multithreading and async patterns. You will build RESTful APIs and microservices using ASP.NET Web API, ensure secure authentication via tokens/OAuth, and leverage AWS services for cloud deployment.

Responsibilities include implementing distributed caching, messaging with queues, and working with SQL Server, SSIS/SSRS for data services.