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Johannesburg: Data Software Engineer (Python, FastAPI, SQL) – Hybrid – Johannesburg

Job Description

About the Role

We are seeking an ambitious Data Software Engineer to contribute to the design, development, and maintenance of modern data-driven applications and services that support our strategic technology initiatives and the broader South African financial market ecosystem. This role is ideal for a software engineer who enjoys solving complex problems, building high-quality solutions, and continuously learning new technologies within a highly regulated financial services environment.

Key Responsibilities

  • Software Development: Design, develop, test, and maintain backend applications using Python.
  • Develop scalable RESTful APIs using FastAPI and Flask frameworks.
  • Build and maintain reusable, secure, and efficient application components.
  • Participate in the full software development lifecycle, from requirements gathering through deployment and support.
  • Write clean, maintainable, and well-documented code following development best practices.
  • Data Engineering & Integration: Develop and optimise SQL queries and database structures. Work with SQLAlchemy ORM for database modelling and application integration. Design and maintain data pipelines and backend services. Support the integration of multiple internal and external systems through REST APIs and JSON-based services. Ensure data integrity, performance, and reliability across applications.
  • DevOps & Continuous Improvement: Collaborate with DevOps teams to support CI/CD pipelines and deployment processes. Participate in application monitoring, troubleshooting, and production support. Assist with performance tuning, optimisation, and automation initiatives. Contribute to continuous improvement and innovation across engineering practices.

Requirements

  • Minimum Qualifications: Degree or Diploma in Computer Science, Software Engineering, Information Technology, Data Science, or a related field.
  • Strong academic record will be advantageous.
  • Experience & Knowledge:
  • 1–3 years’ experience in Software Development or Data Engineering (internships and graduate programmes considered).
  • Experience developing applications using Python.
  • Experience with FastAPI and/or Flask.
  • Solid understanding of SQL and relational database design.
  • Experience working with SQLAlchemy ORM.
  • Understanding of RESTful APIs, HTTP protocols, and JSON.
  • Exposure to Git and version control practices.
  • Basic understanding of DevOps principles and CI/CD pipelines.
  • Familiarity with Linux environments would be advantageous.

Qualifications

  • No specific qualifications mentioned in the original job description.

Salary & Benefits

  • No salary or benefits information provided in the original job description.

How to Apply

Click the green “Go Apply” button below to apply directly online with the employer.

About IT / Computing / Software Jobs in Gauteng

In Gauteng, the IT and computing industry is a significant contributor to the province’s economy, with a steady demand for skilled professionals. Typically, this field is characterized by rapid technological advancements, innovative projects, and a high level of job satisfaction among employees. Generally, career prospects in this sector are strong, with a range of opportunities available across various industries.

Salaries for IT and computing professionals in Gauteng can vary widely depending on factors such as experience, company size, and industry sector. While it is common to see salaries ranging from R400 000 to R1,200 000 per annum, these figures are only a general guideline and actual salaries may differ significantly. For instance, senior executives or technical leads with extensive experience may command higher salaries, while entry-level positions may start at lower levels.

Common skills required for IT and computing roles in Gauteng include proficiency in programming languages such as Java, Python, or C++, knowledge of cloud platforms like AWS or Azure, and experience with agile development methodologies. Additionally, understanding of data analysis and interpretation, cybersecurity principles, and IT project management are often essential. Familiarity with popular software applications, such as Microsoft Office 365 or Google Workspace, is also beneficial.

The financial services sector, technology industry, manufacturing sector, and government departments are among the common industries that employ IT and computing professionals in Gauteng. These sectors require a range of skills and expertise, from data analysis to network administration, making them attractive options for career development.

For those seeking a career in IT and computing, there are numerous opportunities for professional growth and development. Typically, career progression involves moving into senior roles or specialized positions, such as technical lead, solutions architect, or data scientist. Opportunities for further education and training, such as certifications or postgraduate studies, can also enhance job prospects. Generally, a strong understanding of industry trends, networking, and continuous learning are essential for success in this field.


This information provides general career guidance. Actual salaries and requirements vary by employer.



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Posted in Jobs in Central Johannesburg, Jobs in Gauteng, Jobs in Johannesburg, Jobs in South Africa

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