Senior Full-Stack Engineer — Cloud, APIs & Dashboards

Network Finance; Randburg; Hybrid; ZAR 700,000 - 1,000,000; Full time

Benefits offered by this job

Competitive package

Performance-based incentives

Medical aid and risk benefits

Professional development and cert.

Exposure to modern cloud tech

Hybrid working environment

Job summary

Network Finance seeks a seasoned web application developer in Johannesburg to design, build, and maintain internal business applications and portals. You will work with TypeScript, React, Node.js, SQL, and cloud integrations, building dashboards, reports, maps, and visualisations.

You will mentor junior developers, pursue best practices in testing, security, and CI/CD, and collaborate with business and technical teams to deliver scalable solutions in a hybrid work environment.

Qualifications

• Minimum 5 years' professional software development experience.
• Proven full-stack development experience.
• Experience building and supporting production web applications used by employees or customers.
• Experience working with modern JavaScript frameworks and cloud-based solutions.
• Experience mentoring junior developers would be advantageous.
• Exposure to operational systems, telecommunications, utilities, GIS/mapping solutions, or enterprise portals would be beneficial.

Responsibilities

• Design, develop, and maintain internal business applications and operational portals.
• Build responsive interfaces, dashboards, KPI reporting tools, maps, charts, and data visualisations.
• Deliver consistent, intuitive user experiences across multiple applications.
• Translate business requirements into practical technology solutions.
• Integrate applications with shared APIs and backend services.
• Ensure data displayed within applications accurately reflects underlying business systems.
• Validate and troubleshoot data using SQL and database queries.
• Collaborate with data and platform teams to support seamless integration.
• Develop applications that perform effectively across varying network conditions.
• Optimise user journeys and application responsiveness.
• Work directly with stakeholders to understand operational needs and improve usability.
• Communicate technical changes clearly to non-technical users.
• Participate in code reviews and maintain high development standards.
• Develop automated tests for application functionality and user interactions.
• Support structured release processes through development, testing, and production environments.
• Monitor performance and resolve issues through established support processes.
• Implement secure authentication and access controls.
• Ensure compliance with privacy and data protection requirements.
• Follow secure development practices and protect sensitive information.
• Manage application access and configuration securely.
• Work closely with technical and business teams to deliver solutions.
• Share knowledge and support less experienced developers where required.
• Contribute to continuous improvement initiatives and development standards.
• Participate in solution design and technical planning activities.

Skills

TypeScript

JavaScript

HTML5 CSS3

React

Node.js

SQL

PostgreSQL

REST APIs

Git/GitHub

Automated tests

CI/CD

Cloud hosting

Auth & IAM

Google Cloud Platform

Firebase

Next.js

Vue.js

Angular

C#

Java

Go

Rust

Education

Bachelor's degree in CS/IS/SE

Matric (Grade 12)

Cloud/web development certifications

Tools

Git

GitHub

CI/CD tooling

SQL tooling

Job description

Network Finance seeks a seasoned web application developer in Johannesburg to design, build, and maintain internal business applications and portals. You will work with TypeScript, React, Node.js, SQL, and cloud integrations, building dashboards, reports, maps, and visualisations.

You will mentor junior developers, pursue best practices in testing, security, and CI/CD, and collaborate with business and technical teams to deliver scalable solutions in a hybrid work environment.