Senior Full Stack Developer

Mbi Llc; Harrisburg (Dauphin County); On-site; USD 120,000 - 180,000; Full time

Job summary

Mbi Llc in Harrisburg, PA is seeking a highly experienced Senior Full-Stack Developer to design, build, and maintain scalable enterprise applications. You will work hands-on across front-end and back-end technologies, integrating AI-enhanced workflows and cloud-native architecture.

Responsibilities include API design, microservices, database optimization, and collaborating with IT leadership to deliver secure, high-performance solutions onsite.

Qualifications

• 10+ years of professional software development experience including hands-on full stack development.
• Experience designing and delivering complex enterprise applications.
• Experience in cross-functional enterprise IT environments.

Responsibilities

• Design, develop, test, deploy, and maintain enterprise-grade web applications.
• Develop robust back-end services using .NET/C#, Node.js.
• Design and implement RESTful APIs, microservices, and event-driven integrations.
• Apply SOLID principles and clean architecture.
• Modernize legacy apps and integrate with cloud platforms.
• Participate in architecture reviews and code reviews.
• Actively utilize AI-assisted development tools to improve productivity and quality.
• Lead technical discussions and mentor team members.

Skills

Full Stack Development

REST APIs

Cloud-native

AI tools

Education

Bachelor's degree in Computer Science or related

Tools

Git

Azure

Docker

Kubernetes

Job description

- We are seeking a highly experienced, hands-on Senior FullStack Developer with 10+ years of software development experience to design, develop, integrate, and maintain scalable, secure, high-performance enterprise applications.

- The ideal candidate will possess deep expertise in modern front-end and back-end technologies, cloud-native architecture, API development, database management, and enterprise systems integration.

- The candidate must also demonstrate practical experience leveraging AI-powered development tools, Generative AI, and intelligent automation to improve software engineering productivity, code quality, testing, and application capabilities.

- This is a 100% onsite position, requiring close collaboration with enterprise application teams, business stakeholders, architects, and IT leadership.

Key Responsibilities

• Full Stack Application Development

- Design, develop, test, deploy, and maintain enterprise-grade web applications.

- Develop robust back-end services using technologies such as .NET/C#, Node.js

- Design and implement RESTful APIs, microservices, and event-driven integrations.

- Apply object-oriented programming, design patterns, SOLID principles, and clean architecture.

- Modernize legacy applications and integrate them with cloud-based platforms.

- Participate in architectural reviews, technical design sessions, and code reviews.

• AI-Powered Software Engineering

- Actively utilize AI-assisted development tools to accelerate application development, debugging, refactoring, documentation, and testing.

- Demonstrate hands-on experience with tools such as:

- GitHub Copilot – AI-assisted coding, code generation, refactoring, and unit test creation.

- ChatGPT / OpenAI – Technical problem-solving, code optimization, API integration, and development productivity.

- Claude – Code analysis, technical documentation, and development assistance.

- Cursor / Windsurf – AI-native development environments and agent-assisted coding.

- Microsoft Azure AI Foundry / Azure OpenAI – Enterprise AI application development and integration.

- Evaluate and implement AI-based development workflows to improve engineering efficiency and software quality.

- Develop AI-enabled application features using LLM APIs, prompt engineering, Retrieval-Augmented Generation (RAG), and enterprise knowledge integration.

- Understand AI agent frameworks, function calling, vector databases, and AI orchestration patterns.

- Ensure AI-generated code meets organizational security, compliance, performance, and quality standards.

- Promote responsible AI usage, including protection of confidential information, human review of AI-generated outputs, and secure handling of enterprise data.

- Design and develop integrations across enterprise platforms, SaaS applications, and internal systems.

- Build secure APIs and integration services using REST, JSON, OAuth 2.0, and OpenID Connect.

- Work with enterprise platforms such as Microsoft Dynamics 365, Salesforce, SAP, Oracle, or other business applications, as applicable.

- Develop automated workflows and integrations using Azure Logic Apps, Azure Functions, Power Automate, or comparable technologies.

- Support data exchange, transformation, synchronization, and integration monitoring.

- Troubleshoot complex application and integration issues across multiple systems.

• Cloud, DevOps, and Automation

- Design and deploy cloud-native applications using Microsoft Azure

- Implement CI/CD pipelines using Azure DevOps, GitHub Actions, Jenkins, or equivalent platforms.

- Work with Docker, Kubernetes, serverless computing, and infrastructure-as-code technologies.

- Implement automated unit, integration, regression, and API testing.

- Utilize AI-assisted testing tools to improve test coverage and identify defects.

- Monitor application performance, security, availability, and operational reliability.

- Support secure software delivery practices, including DevSecOps and vulnerability remediation.

• Database and Data Engineering

- Work with SQL Server

- Develop complex queries, stored procedures, data models, and performance optimization strategies.

- Implement secure data access and integration patterns.

- Support data pipelines and AI-ready data architectures where required.

• Technical Leadership and Collaboration

- Serve as a senior technical contributor and mentor to development team members.

- Lead technical design discussions and recommend scalable engineering solutions.

- Collaborate with business analysts, solution architects, product owners, and enterprise application teams.

- Translate complex business requirements into maintainable technical solutions.

- Participate in Agile ceremonies, sprint planning, estimation, and delivery activities.

- Develop technical documentation, architecture diagrams, and implementation standards.

- Proactively identify opportunities to improve development processes through AI, automation, and reusable components.

Required Qualifications

Education and Experience

- Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent practical experience.

- Minimum 10 years of professional software development experience, including significant hands-on full stack development.

- Demonstrated experience designing and delivering complex enterprise applications.

- Strong experience working in cross-functional enterprise IT environments.

Fill the skill matrix below:

Skill

Amount

Candidate's No. of years of experience

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent practical experience.

Required

Minimum 10 years of professional software development experience, including significant hands-on full stack development.

Required

SQL, Net, MVC, Angular, C#

Required