Sr. Full Stack Developer

Valiant Technologies LLC; Harrisburg (Dauphin County); On-site; USD 100,000 - 140,000; Full time

Job summary

Valiant Technologies LLC in Harrisburg, PA seeks a hands-on Senior Full Stack Developer to design, build, and maintain scalable, secure enterprise apps using C#, .NET, Angular, and RESTful APIs. Cloud-native Azure experience and AI-assisted development are valued.

You will mentor peers, implement CI/CD with Azure DevOps, Docker and Kubernetes, and integrate with Dynamics 365, Salesforce, SAP, and Oracle while adhering to SOLID, patterns, and secure coding.

Qualifications

• Experience building enterprise web apps with C#, .NET, MVC.
• Strong front-end with Angular and/or React/ Vue.js.
• Expert in SQL Server performance and complex queries.
• Proficient in RESTful APIs and microservice architectures.

Responsibilities

• Design, develop, test, deploy, and maintain enterprise web apps.
• Build responsive UIs and robust back-end services.
• Develop secure APIs using REST, OAuth 2.0, OpenID Connect.
• Integrate with Dynamics 365, Salesforce, SAP, Oracle; automate via Azure tools.
• Implement CI/CD pipelines with Azure DevOps, GitHub Actions, Jenkins; use Docker/Kubernetes and IaC.
• Perform AI-assisted testing; ensure secure, compliant AI-generated code.
• Apply SOLID, patterns, clean architecture; modernize legacy apps.
• Mentor developers; lead design reviews; participate in Agile ceremonies.
• Create technical docs and architecture diagrams.

Skills

C#

.NET

MVC

Angular

SQL Server

REST APIs

Microservices

Azure

CI/CD

Docker

Kubernetes

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.