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# Senior Staff / Principal Full Stack Engineer

- **Company:** Staffxpert Llc
- **Location:** Alpharetta, GA, United States
- **Experience:** Expert
- **Contract:** Temporary to permanent
- **Skills:** Artificial Intelligence, Amazon Web Services, Cloud Computing, Data Structures, Database Design, Distributed Systems, Python (Programming Language), PostgreSQL, Machine Learning, Query Optimization, Software Deployment, Software Engineering, Software Systems, Systems Architecture, ReactJS, Backend, Solid Principles, Restful APIs
- **Published:** July 20, 2026
- **Apply:** https://www.careerjet.com/jobad/usa4be8c4f29ffcacf6ca7ac08ad0e4760

## About the Role

10+ years of professional software engineering experience.
7+ years serving as a Staff Engineer, Principal Engineer, Lead Engineer, or similar senior individual contributor.
Strong full-stack development experience across modern technologies and frameworks.
Hands-on experience building or extending internal engineering platforms.
Advanced backend development and algorithmic problem-solving skills.
Experience developing enterprise-scale B2B and/or B2C applications.
Strong AWS cloud development and production deployment experience.
Expertise in PostgreSQL, database design, and query optimization.
Experience working with modern AI/ML technologies and AI-assisted development tools.
Strong understanding of system architecture, scalability, and software design principles.
Excellent communication, collaboration, and technical leadership skills. Required Technical Skills
React
Python
PostgreSQL
AWS
Full Stack Development
Platform Engineering
REST APIs
System Design & Architecture
Data Structures & Algorithms Preferred Qualifications
Experience building high-scale distributed systems.
Strong ownership mindset with a passion for delivering high-quality software.
Experience working within regulated or mission-critical environments.
Proven ability to mentor engineers and influence technical direction.
Strong analytical and problem-solving abilities.

## Description

STAFFXPERT LLC is seeking a Senior Staff / Principal Full Stack Engineer on behalf of our client in Alpharetta, GA. This is an exciting opportunity for an experienced engineering leader who thrives on designing scalable platforms, building enterprise-grade applications, and driving technical innovation. The ideal candidate is a hands-on full-stack engineer with deep backend expertise, cloud-native development experience, and a passion for solving complex technical challenges while mentoring engineering teams. Key Responsibilities
Design, develop, and maintain scalable, enterprise-grade full-stack applications.
Architect and enhance internal engineering platforms to improve developer productivity and operational efficiency.
Lead the design and implementation of large-scale services and application modules.
Build high-performance backend systems and cloud-native solutions on AWS.
Design and optimize PostgreSQL databases for scalability, reliability, and performance.
Develop secure, well-documented REST APIs and system integrations.
Collaborate with cross-functional engineering teams to deliver high-quality software solutions.
Participate in production support, incident response, troubleshooting, and root cause analysis.
Contribute to AI-powered application capabilities, including intelligent automation, plugins, and modern AI-driven workflows.
Drive architectural decisions, establish engineering best practices, and mentor senior developers. Required Qualifications, Duration: 12 months Details: Senior full-stack engineer to join a small, high-impact team building and expanding an enterprise platform for content creation, publishing, integr…

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