Senior Python Engineer (Full Stack, Llm)

Idt Corporation; Gauteng; Remote; ZAR 800 000 - 1 200 000; Full time

Job summary

A leading company is seeking a Senior Python Full-Stack Engineer to join their agile R&D team. This role focuses on architecting and developing full-stack applications powered by large language models and modern backend services. The ideal candidate will have expert-level Python skills, experience with cloud infrastructure, and a startup mindset. Enjoy remote work opportunities and contribute to innovative AI-powered products.

Benefits

Remote work opportunity

Professional training

Seminars and conference compensation

Qualifications

• Expert-level Python development experience.
• Strong experience using LLMs via APIs.

Responsibilities

• Architect and develop full-stack applications powered by LLMs.
• Integrate large language models into production systems.

Skills

Python

Communication

Tools

AWS

GCP

Azure

React

Job description

Net2Phone is seeking a Senior Python Full-Stack Engineer with deep backend expertise and practical experience integrating AI into production systems.

Role Overview

You'll join our agile R&D team working on greenfield initiatives that harness LLMs, cloud infrastructure, and data-driven systems to build powerful new tools for real-world use. Important note: This role is not focused on building or fine-tuning custom AI / ML models.

Responsibilities

1. Architect and develop full-stack applications powered by LLMs and modern backend services
2. Integrate large language models into production systems through APIs and prompt engineering
3. Design and manage scalable cloud infrastructure (AWS, GCP, or Azure)
4. Build and optimize data storage and querying for large, complex datasets
5. Rapidly prototype and iterate on MVPs and product concepts
6. Collaborate in a small, innovative R&D team with full autonomy and high impact

Qualifications

1. Expert-level Python development experience in backend-heavy environments
2. Strong experience using LLMs via APIs and prompt engineering (e.g., OpenAI, Anthropic)
3. Deep understanding of cloud architecture, distributed systems, and deployment best practices
4. Proven skills in database design, optimization, and handling large datasets
5. Full-stack capability with experience in React or modern frontend frameworks
6. Startup or R&D mindset: independent, curious, fast-moving, and pragmatic
7. Excellent communication skills and fluent English (B2+ or higher)

Benefits

• Remote work opportunity
• B2B employment ($, gross)
• Maximize your creativity
• Great learning and growth opportunities
• Professional training, seminars, and conference compensation

Why Join Us?

• Work on truly greenfield AI-powered products with a small, elite team
• Own and influence projects from day one
• Focus on applied AI — solving practical, impactful problems
• Operate in a startup-like environment within a stable, global company (IDT.net)

About Us

IDT Corporation, founded in Newark, New Jersey, is a global leader in prepaid communication and payment services, listed on the NYSE, with over $1.5 billion in revenue and operations in 20+ countries.

Net2Phone, a division of IDT, is a rapidly growing provider of unified cloud communications solutions, offering high-quality VoIP services worldwide, recognized as 'VoIP Supplier of the Year'.