Full Stack Developer: Build & Own Internal Apps

unitedcs; Kennesaw (GA); On-site; USD 90,000 - 120,000; Full time

Job summary

United Contractor Services is seeking a Full Stack Developer to build, enhance, and support the internal applications and tools our field and office teams rely on every day. This role covers the full lifecycle - front-end interfaces, back-end services, databases, and the APIs that tie them to our core business platforms.

The ideal candidate is hands-on and analytical: write clean, maintainable code, design data models, debug production issues, and collaborate with accounting, operations, or a

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.
• 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 from front end through back end, including UI, business logic, APIs, and database layers.
• Design and optimize relational database schemas, queries, and stored procedures.
• Develop and consume REST APIs and webhooks to move data between internal applications and core business platforms.
• Write readable, testable, maintainable code and participate in code review.
• Partner with accounting, operations, HR, project teams, and IT to understand workflows and translate them into working software.
• Identify manual processes that can be replaced with purpose-built tools or automation.
• Turn business requirements into technical designs, data models, and delivery plans.
• Test, deploy, monitor, and support applications in production.
• Troubleshoot and resolve defects, performance problems, and data integrity issues across the stack.

Skills

Full stack development

C# / Python / JS

Frontend: HTML / CSS / JS

SQL

REST APIs

Git

Tools

Viewpoint Vista

Procore

Azure

Job description

United Contractor Services is seeking a Full Stack Developer to build, enhance, and support the internal applications and tools our field and office teams rely on every day. This role covers the full lifecycle - front-end interfaces, back-end services, databases, and the APIs that tie them to our core business platforms.

The ideal candidate is hands-on and analytical: write clean, maintainable code, design data models, debug production issues, and collaborate with accounting, operations, or a