End-to-End Full Stack Developer for Internal Apps

United-Contractor-Services; Kennesaw (GA); On-site; USD 85,000 - 125,000; Full time

Job summary

United Contractor Services is seeking a Full Stack Developer to build, enhance, and support internal applications our field and office teams rely on daily. You’ll own end-to-end delivery—from UI and APIs to databases and integrations with Viewpoint Vista, Procore, ADP/Paylocity, and Microsoft cloud services.

The ideal candidate is hands-on, analytical, and able to translate complex business needs into durable software.

Qualifications

• 3+ years of professional software development across front end and back end
• Proficiency in at least one back-end language (C#, Python, JavaScript/Node)
• Front-end experience with HTML, CSS, JavaScript and a modern framework (React, Angular, Vue)
• Strong SQL and relational database design skills
• Hands-on experience building and consuming REST/JSON APIs, including authentication
• Experience with source control and standard development workflows (Git)
• Proven ability to translate business requirements into working software
• Strong troubleshooting and root-cause analysis skills
• Comfortable working independently and owning outcomes

Responsibilities

• Build and maintain internal web applications front to back including UI, business logic, APIs, and databases
• Design and optimize relational database schemas, queries, and stored procedures
• Develop and consume REST APIs and webhooks to move data between internal apps and core platforms
• Write readable, testable code and participate in code review
• Partner with accounting, operations, HR, project teams to understand workflows and translate them into software
• Identify manual processes that can be automated with tools
• Turn business requirements into technical designs, data models, and delivery plans
• Test, deploy, monitor, and support applications in production
• Troubleshoot defects, performance issues, and data integrity problems
• Implement logging, alerting, validation, and error handling
• Document architecture, data models, field definitions, and business rules
• Establish standards for source control, API usage, authentication, and change management
• Ensure applications meet security and audit requirements
• Evaluate frameworks, tools, and APIs to accelerate delivery
• Improve scalability, maintainability, and performance
• Proactively propose improvements to leadership

Skills

Front-end & back-end

Backend languages

SQL & relational DB

REST/JSON APIs

Git & workflows

Requirements translation

Troubleshooting

Independent work

Tools

Viewpoint Vista

Procore

ADP/Paylocity integration

Azure & Power Platform

CI/CD pipelines

Containers

Job description

United Contractor Services is seeking a Full Stack Developer to build, enhance, and support internal applications our field and office teams rely on daily. You’ll own end-to-end delivery—from UI and APIs to databases and integrations with Viewpoint Vista, Procore, ADP/Paylocity, and Microsoft cloud services.

The ideal candidate is hands-on, analytical, and able to translate complex business needs into durable software.