Sr. Full Stack Developer

Quantum Technologies. LLC; Harrisburg (Dauphin County); On-site; USD 120,000 - 160,000; Full time

Job summary

Quantum Technologies. LLC in Harrisburg is seeking a hands-on Senior Full Stack Developer to design, develop, integrate, and maintain scalable, secure enterprise applications.

You will leverage strong front-end and back-end expertise, Azure cloud-native experience, and AI-assisted development tools to build modern systems. You will design robust APIs, integrate with Dynamics 365, Salesforce, SAP, Oracle, and drive secure, compliant code through CI/CD pipelines and IaC.

Qualifications

• Proficient in C#, .NET, and MVC architecture.
• Experience with Angular; React or Vue.js also acceptable.
• Strong SQL Server skills including complex queries and data modeling.

Responsibilities

• Design, develop, test, deploy, and maintain enterprise-grade web apps.
• Build responsive UIs and robust back-end services.
• Develop secure APIs using REST, OAuth 2.0, and OpenID Connect.
• Integrate with enterprise platforms and automate workflows in Azure.
• Implement CI/CD pipelines and containerization with Docker/Kubernetes.
• Write AI-assisted tests and ensure code meets security/compliance standards.
• Mentor peers, lead design discussions, and contribute to architecture docs.

Skills

C#, .NET, MVC

Angular

SQL Server

RESTful APIs

Microservices

Tools

Azure

Azure DevOps

Docker

Kubernetes

GitHub Actions

Job description

Job Summary

We are seeking a hands-on Senior Full Stack Developer to design, develop, integrate, and maintain scalable, secure enterprise applications. The candidate should have strong front-end and back-end expertise, Azure cloud-native experience, and practical use of AI-assisted development tools and Generative AI.

Must-Have Skills

• C#, .NET, MVC
• Angular (React or Vue.js is a plus)
• SQL Server: complex queries, stored procedures, data models, performance tuning
• RESTful APIs, microservices, event-driven integrations

Key Responsibilities

• Design, develop, test, deploy, and maintain enterprise-grade web applications
• Build responsive, accessible UIs and robust back-end services
• Develop secure APIs and integrations using REST, JSON, OAuth 2.0, and OpenID Connect
• Integrate with enterprise platforms (Dynamics 365, Salesforce, SAP, Oracle) and automate workflows with Azure Logic Apps, Azure Functions, or Power Automate
• Implement CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins), Docker, Kubernetes, and IaC
• Implement automated unit, integration, regression, and API testing, including AI-assisted testing
• Develop AI-enabled application features and ensure AI-generated code meets security, compliance, and quality standards
• Apply OOP, design patterns, SOLID principles, and clean architecture
• Modernize legacy applications and integrate with cloud platforms
• Mentor developers, lead technical design discussions, and take part in code reviews and Agile ceremonies
• Produce technical documentation and architecture diagrams

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.