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Developer (JHB Illovo) at BDO South Africa

BDO South Africa
May 11, 2026
Full-time
On-site
Primary Purpose of the Job


The Application Developer is responsible for designing, building, enhancing, and supporting internal business applications and integrations across the organisation's enterprise platforms.
The role focuses on backend development, system integrations, performance optimisation, and operational reliability, while also contributing to frontend usability and configuration-driven design.
This role plays a critical part in modernising internal systems, improving automation, and ensuring stable, scalable, and auditable solutions that integrate with core platforms such as ERP, CRM, and reporting systems.


Main Duties and Responsibilities


Design, develop, and maintain internal web-based business applications that support core operational processes.
Build and maintain backend services and RESTful APIs to support application functionality and integrations.
Develop configuration-driven features (e.g. rules, thresholds, mappings, flags) to minimise hard-coded logic and improve maintainability.
Contribute to frontend usability through practical UI enhancements, including validation feedback, progress indicators, and status tracking.
Build and maintain integrations between internal applications and enterprise systems.
Analyse and improve application performance through optimisation, background processing, and architectural improvements.
Structure and manage data to support reporting, audit requirements, and traceability.
Deploy, support, and maintain applications across Development, Test, and Production environments.
Perform controlled deployments, fixes, and hot patches while minimising business disruption.
Support business users and stakeholders during testing, UAT, and rollout phases.
Assist with documentation of business requirements, user stories, technical designs, and effort estimates.
Collaborate with technical and non-technical stakeholders to translate business requirements into working solutions.
Work closely with the Applications team, Enterprise Enablement team, Projects team, and IT to deliver solutions.
Participate in solution discussions, design reviews, and demonstrations.
Provide realistic technical input into timelines, risks, and dependencies.
Work within and contribute to all phases of the Software Development Life Cycle (SDLC).


Requirements
Qualifications, Work Experience, and Knowledge

Qualifications


Grade 12
Degree or Diploma in Computer Science or related discipline


Work Experience


Minimum 3- 5 years' relevant experience


Knowledge


C# (.NET) - Required
JavaScript / TypeScript - Required
SQL - Required
REST APIs (JSON, HTTP) - Required
HTML & CSS - Required
Cloud‑hosted application environments (Azure) - Working Knowledge
Exposure to AI-enabled features, AI agents, or AI model integrations - Desirable


Competencies: Technical & Behavioural

Technical Competencies


Strong experience in backend application development
Experience building web applications and APIs
Solid understanding of enterprise system integration patterns
Experience working with databases and structured data models
Comfortable working across multiple environments (Dev/Test/Prod)


Behavioural & Professional Competencies


Strong problem‑solving and analytical skills
Ability to work independently and in a team environment while managing multiple priorities
Pragmatic mindset — balances "ideal architecture" with business reality
Clear communicator with both technical and non‑technical stakeholders
Takes ownership of solutions end‑to‑end, from design to production support
Detail-oriented. With a focus on quality and reliability
Ability to learn new software and technologies quickly.