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# Lead Full Stack Engineer

- **Company:** Genie Holdings, Inc.
- **Location:** Los Angeles, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Cloud Computing, Code Generation, Software Quality, Code Review, Databases, Extract Transform Load (ETL), Relational Databases, Software Debugging, Software Design Patterns, Distributed Systems, Design of User Interfaces, Human-Computer Interaction, Python (Programming Language), Node.Js, NoSQL, OAuth, Open Web Application Security, Next.js, Requirements Management, Service Design, Software Engineering, Systems Integration, TypeScript, Web Applications, Web Performance Optimization, WebSocket, Scripting, Real Time Systems, Test-Driven Development (TDD), ReactJS, Large Language Models, Backend, Event Driven Architecture, Information Technology, Maintaining Code, Graphql, Data Management, Web Technologies, Machine Learning Operations, Front End Software Development, Restful APIs, Es2015, Data Pipelines, Golang
- **Published:** July 31, 2026
- **Apply:** https://www.careerbuilder.com/job-details/lead-full-stack-engineer-los-angeles-ca--0bf7a4d3-2258-4e2b-9e16-f7b541ef23e9

## About the Role

* 7+ years of professional full stack development experience, including at least 2 years in a technical leadership or mentorship role
 * Bachelor's degree in Computer Science, a related field, or equivalent practical experience
 * Proven ability to design and scale distributed, high-performance web applications
 * Expertise with modern web technologies: React, TypeScript/JavaScript (ES6+), Node.js, Next.js
 * Strong frontend sensibility - you care about usability, design patterns, and the details that make an interface feel right
 * Strong backend development experience with Go, Python, or similar languages
 * Fluency with NoSQL and relational database solutions
 * Experience building and consuming RESTful and GraphQL APIs; familiarity with event-driven architectures
 * Understanding of data pipelines and ETL patterns
 * Solid grasp of security fundamentals: OWASP Top Ten, OAuth 2.0
 * Experience with cloud infrastructure (AWS) and CI/CD pipelines
 * Demonstrated AI workflow maturity - you use AI tools to increase output and can articulate when and how you apply them, not just that you do
 * Strong communication skills with the ability to lead both technical and non-technical discussions
 * Demonstrated ability to balance hands-on engineering with people leadership
 * Ability to navigate fast-paced environments with shifting priorities while maintaining code quality and design standards

Bonus

 * Experience with real-time systems, WebSockets, or multiplayer architectures
 * Exposure to AI/ML systems, LLM integration, or digital identity platforms
 * Familiarity with 3D pipelines, image processing, or model-building workflows
 * Passion for mentoring, technical strategy, and cultivating a high-performing team culture, Application Programming Interface (API), Architectural Services, Artificial Intelligence (AI), Artificial Intelligence (AI) Games, Automation, Best Practices, Coaching, Code Reviews, Communication Skills, Computer Science, Cross-Functional, Data Management, Database Extract Transform and Load (ETL), Debugging Skills, Distributed Computing, Ecosystems, Gaming, Go Programming Language (Golang), Image Processing, Internet Application, JavaScript, Leadership, Machine Tool, Mentoring, NoSQL, Node.js, OAuth, Operational Strategy, Process Improvement, Product Design, Productivity Management, Python Programming/Scripting Language, Quality Management, React.js, Relational Databases (RDBMS), Requirements Management, Risk Analysis, Software Engineering, Startup, System Integration (SI), Systems Administration/Management, Team Building, Team Lead/Manager, Technical Delivery, Technical Leadership, Test Driven Development (TDD), Testing, Use Cases, User Interface/Experience (UI/UX)

## Description

Genies is seeking a contract Lead Full Stack Engineer to guide the technical direction, architecture, and execution of our avatar-driven digital products. You'll be a player-coach - leading by example as a hands-on contributor while mentoring a team of talented engineers. Reporting directly to the Director of Software Engineering and Infrastructure, you'll drive technical excellence, champion engineering best practices, and ensure scalable, performant solutions across the stack.

This is a high-impact role for an engineer who thrives on mentorship, system design, and building cohesive teams that ship complex, user-facing systems at the intersection of AI, game technology, and UGC creation tools. We move fast at Genies, and we expect our lead engineers to move fast with us - leveraging AI as a force multiplier while holding the bar on quality, clarity, and correctness.
What You'll Be Doing

Technical Leadership - Define and own the architectural vision and implementation strategy for full-stack systems supporting Genies' Smart Avatar ecosystem. Establish technical standards, patterns, and scalable frameworks across both frontend and backend. Make opinionated choices on separation of concerns and push back on overengineering.

AI-Augmented Development - Actively integrate AI tools into your development workflow for planning, code generation, debugging, and testing. Critically evaluate AI-generated output - catching complexity, duplication, or architectural drift before it takes root. Beyond your own practice, you'll champion AI adoption across the team: identifying opportunities where AI can reduce toil, accelerate delivery, and raise the quality bar. You'll share workflows, prompt strategies, and tooling discoveries that make the whole team faster - not just yourself.

Hands-on Contribution - Contribute directly to the codebase with a focus on maintainability, reliability, and performance. Build intuitive, interactive user interfaces to a high frontend standard while also delivering robust APIs and backend services using technologies such as React, Next.js, TypeScript, Node.js, and Go.

Mentorship & Team Development - Act as a player-coach for a growing team. Provide structured mentorship, code review guidance, and ongoing feedback that fosters career growth and engineering excellence.

Cross-Functional Collaboration - Partner closely with product managers, designers, and other engineering teams to translate high-level goals into technical deliverables. Ask sharp questions during requirements gathering and translate ambiguity into clear implementation plans.

Strategic Impact - Drive initiatives that improve developer velocity, operational efficiency, and code quality. Proactively identify technical risks, scalability challenges, and long-term architectural needs - including tradeoffs in distributed systems, CAP theorem considerations, and service design.


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