AI Full-Stack Engineer

ReWorks Solutions

. Build and deploy production-ready AI-powered applications using LLMs such as OpenAI, Anthropic Claude and Google Gemini .

Posted 10/15/2026full-timeRemote • South AfricaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building and deploying AI-powered applications using LLMs, with strong proficiency in JavaScript, TypeScript, Node.js, and modern frameworks like React and Next.js. Capable of designing scalable systems, optimizing databases, and integrating AI capabilities into existing applications while effectively communicating technical concepts to non-technical stakeholders.

Highest-signal resume keywords

AI-Powered Application DevelopmentJavaScript ProficiencyPostgreSQL Database DesignLLM API IntegrationCloud-Based Deployment

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

JavaScriptTypeScriptNode.jsReactNext.jsPostgreSQLAPI DevelopmentLLM IntegrationCloud DeploymentAutomation Solutions

Soft Skills

Communication SkillsProblem-SolvingCollaboration

Tools & Technologies

VercelDockerGitGitHub

Industry Keywords

AI WorkflowsPrompt EngineeringIntelligent AutomationTechnical ArchitectureScalable Systems

Tech Stack

Tools & technologies

CloudDockerJavaScriptNext.jsNode.jsPostgresReactTypeScript

About the role

Key responsibilities & impact

Build and deploy production-ready AI-powered applications using LLMs such as OpenAI, Anthropic Claude and Google Gemini
Design and implement AI workflows, prompt engineering strategies and intelligent automation solutions
Integrate AI capabilities into existing applications, business systems and internal tools
Evaluate and optimize AI outputs for accuracy, reliability, performance and cost
Apply fine-tuning and other model-customization techniques where appropriate
Design, develop and maintain scalable applications using JavaScript, TypeScript, Node.js, React and Next.js
Build and maintain robust APIs, webhooks and integrations with third-party platforms
Design, manage and optimize PostgreSQL databases and data models
Develop secure, maintainable and high-performance applications supporting growing user bases
Troubleshoot technical issues and continuously improve application performance
Take ownership of technical architecture and make independent engineering decisions
Build scalable systems capable of supporting thousands of users
Manage deployment workflows and cloud-based environments using tools such as Vercel and Docker
Use Git and GitHub for version control, collaboration and code management
Establish development practices around testing, reliability, security and maintainability
Identify opportunities to streamline business processes through AI and software automation
Develop internal tools and integrations that reduce repetitive manual work
Collaborate directly with leadership to translate business needs into technical solutions
Communicate technical decisions, progress and challenges clearly to non-technical stakeholders

Requirements

What you’ll need

5+ years of professional full-stack development experience
Demonstrated experience building and deploying AI-powered applications in production
Strong proficiency in JavaScript, TypeScript, Node.js and modern front-end frameworks such as React or Next.js
Strong experience with PostgreSQL, database design and optimization
Hands-on experience integrating LLM APIs, including OpenAI, Anthropic or Google Gemini
Experience building REST APIs, third-party integrations and automated workflows
Experience deploying and maintaining scalable applications in cloud-based environments
Proven ability to independently design and architect systems used by thousands of users
Strong Git/GitHub skills and the ability to explain technical contributions clearly
Excellent written and verbal English communication skills
Applicants should be prepared to share a GitHub profile, portfolio, live application or detailed project walkthrough
Practical, hands-on experience is essential

Benefits

Comp & perks

Fully remote position
Full-time role
Jewish holidays will be observed according to the client's holiday calendar