Remote Senior Full-Stack Engineer (Contract)

Crossing Hurdles; South Africa; Remote; ZAR 1,150,000 - 2,300,000; Full time

Job summary

Crossing Hurdles is seeking a Sr. Full-Stack Software Engineer for a remote contract role. You will develop and maintain production-grade front-end and back-end components, implement features, and work across APIs and data models.

The role requires strong debugging, architectural understanding, and the ability to navigate unfamiliar codebases. The engagement supports 10-40 hours per week with flexible scheduling, focusing on delivering robust, secure, and scalable software solutions in a remote

Qualifications

• Strong professional experience developing production full-stack applications.
• Meaningful hands-on experience with both front-end and back-end engineering.
• Production experience with multiple programming languages.
• Strong knowledge of browser applications, APIs, application state, databases, and service integration.
• Experience understanding and contributing to the architecture of complete software systems.
• Ability to work effectively in unfamiliar codebases.
• Strong debugging and technical problem-solving skills.

Responsibilities

• Develop, modify, and debug front-end and back-end application components.
• Implement user-facing features and the services, APIs, and data models that support them.
• Trace requests and data across browsers, front-end applications, APIs, services, databases, and external integrations.
• Work inside unfamiliar repositories and understand existing application architecture.
• Diagnose failures involving application state, API contracts, authentication, persistence, networking, and deployment.
• Evaluate and improve code written in multiple programming languages.
• Review AI-generated solutions for correctness, completeness, performance, security, and maintainability.

Skills

Full-stack dev

Front-end & back-end

Multiple languages

System architecture

Debugging skills

Codebase navigation

Problem solving

Job description

Crossing Hurdles is seeking a Sr. Full-Stack Software Engineer for a remote contract role. You will develop and maintain production-grade front-end and back-end components, implement features, and work across APIs and data models.

The role requires strong debugging, architectural understanding, and the ability to navigate unfamiliar codebases. The engagement supports 10-40 hours per week with flexible scheduling, focusing on delivering robust, secure, and scalable software solutions in a remote