Senior Back-End Developer

Sabenza IT & Recruitment; Pretoria; On-site; ZAR 600 000 - 900 000; Full time

Job summary

A leading technology firm in Pretoria is looking for a Senior Back-End Developer to join their Impact Platform team. The role involves developing APIs and ETL processes while collaborating with global teams. The ideal candidate should have expertise in AWS technologies, Python, and strong knowledge of software development practices. With a focus on innovative solutions, you will manage complex projects and contribute to high-quality application delivery. This position offers a dynamic work environment with growth opportunities.

Qualifications

• Expertise in API and ETL development.
• Proficient in Git development and branching strategies.
• Experience in CI/CD pipeline development.
• Strong knowledge of Test Driven Development and code coverage.
• Experience with test automation and Linux scripting.

Responsibilities

• Manage development projects and processes.
• Develop in data-driven programming languages such as Python.
• Collaborate with global partners on application development.
• Conduct system testing and participate in audits.
• Prepare system documentation according to ISO standards.

Skills

API and ETL development

Git development

CI/CD pipeline development

Test Driven Development

Test automation

Terraform and Infrastructure as Code

PySpark pipeline development

AWS S3 Storage

Linux scripting

Programming in Python

Education

Relevant IT or Engineering degree

Tools

AWS

Docker

Jira

Confluence

GitHub Actions

Job description

About the role

We are seeking a Senior Back-End Developer to join our Impact Platform team. The role requires expertise in API and ETL development, AWS cloud technologies, and data-driven programming. You will work on complex projects, develop scalable solutions, and collaborate with global teams to deliver cutting-edge applications and features.

Key Responsibilities

• Manage development projects and processes
• Develop in data-driven programming languages such as Python and big data pipelines (ETL, SQL, Spark)
• Develop APIs that trigger system-wide effects for BMW systems
• Apply best practices in software development tools and techniques
• Assist business teams with POCs and business value calculations from a developer perspective
• Collaborate with global partners (including Munich) on application and feature development
• Conduct system testing, parallel runs, and system implementation
• Participate in system audits and quality assurance
• Propose, review, and present system design solutions to IT Project Managers, leaders, or system owners
• Develop solutions aligned with quality and delivery requirements
• Prepare system/technical documentation according to ISO standards
• Set up test cases, test processes, and test automation
• Execute tests, ensure quality of work, and report results in Xray

Requirements

Essential Skills & Requirements:

• Expertise in API and ETL development
• Proficient in Git development, branching strategies, and development approaches
• Experience in CI/CD pipeline development using CodeBuild and GitHub Actions
• Strong knowledge of Test Driven Development (TDD), unit testing, functional testing, and code coverage
• Experience with test automation (e.g., Playwright)
• Terraform and Infrastructure as Code (IaC) deployment experience
• PySpark pipeline development
• Knowledge of structured and unstructured databases
• Experience using AWS S3 Storage with Iceberg Tables and AWS Data Pipelines
• Linux scripting and environment management
• Proficient in AWS development and programming languages (Python preferred, Java or SQL)
• Ability to perform additional responsibilities assigned under the Agile Working Model (AWM) Charter

Advantageous Skills

• Data and API mining
• Knowledge of security best practices
• Advanced system monitoring and alerting pipeline setup
• Strong understanding of data structures and algorithms
• Experience integrating multiple technologies
• Agile story and EPIC refinement and planning
• Solution architecture skills for business applications
• Experience with ODBC, file syncs, pre-commit hooks, coding standards (PEP8), and GitHub Copilot
• Docker container creation and usage
• Familiarity with data streaming services such as Apache Kafka
• Coordination between development and support environments
• Risk identification and management
• Knowledge of Jira, Confluence, and Agile methodologies
• Data analysis and ITSM knowledge
• User support ticket management
• MS Teams and Microsoft Office suite proficiency
• Knowledge of Palantir Foundry and Frontend BI tools (PowerBI, Tableau, Qlikview)

Qualifications & Experience

• Relevant IT or Engineering degree
• 3+ years’ experience in Python (decorators, advanced class manipulation, dependency injection)
• 3+ years’ experience in AWS (API Gateway, Lambda, DynamoDB, Fargate, EMR, Glue, Athena, IAM)
• 3+ years’ software development experience
• 3+ years’ SQL experience (advantageous)
• AWS Certified Developer Associate or Solutions Architect (advantageous)