Junior Full-Stack Developer

Realm Digital

Junior Full-Stack Developer working with Python and React for a SaaS platform revolutionising construction pricing management. Contributing across the full stack with growth under experienced guidance.

Posted 6/20/2026full-timeRemote • 🇿🇦 South AfricaJuniorWebsite

Tech Stack

Tools & technologies

DockerFlaskLinuxNumpyPandasPostgresPythonReact

About the role

Key responsibilities & impact

Build and maintain RESTful API endpoints using Python and Flask, contributing to business logic for BOQ processing and user management
Assist in integrating third-party and AI-driven APIs, including working with the Anthropic Claude API that powers the platform’s computational pricing engine
Develop and maintain responsive user interfaces using React, ensuring a polished experience across devices
Contribute to document processing pipelines handling PDF, Excel, and Word files for BOQ uploads and report exports
Write clean queries and support schema work using SQLAlchemy and PostgreSQL under senior guidance
Write tested, well-documented code and participate in code reviews and sprint planning
Support CI/CD workflows, containerisation, and deployment tasks as you grow into the role

Requirements

What you’ll need

1–2 years of professional experience, or strong portfolio/project evidence of full-stack development
Solid working knowledge of Python 3.10+, ideally applied in a professional or project context
Demonstrated ability to integrate third-party APIs — AI or LLM API experience is a strong advantage
Functional components, hooks, and basic state management in React
Understanding of REST API design, authentication, and session management
Familiarity with Pandas and NumPy for data manipulation
Working knowledge of PostgreSQL and SQLAlchemy ORM
Exposure to libraries such as ReportLab, openpyxl, python-docx, or PDF parsing tools is a plus
Basic Git workflows, some exposure to Docker and Linux environments

Benefits

Comp & perks

Competitive Package: Market-related salary
Remote-First Culture: Fully remote/hybrid flexibility within South Africa
Real Impact: Your code ships to active users solving genuine problems in the construction industry
AI Exposure: Hands-on experience building with LLM-driven workflows and modern AI APIs
Growth Path: Work directly with a lead developer and founding team, with clear scope to grow as the business scales

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 & Tools

PythonFlaskRESTful APIReactSQLAlchemyPostgreSQLPandasNumPyGitDocker