Explore Python jobs in 78 Python jobs in Johannesburg
Python Developer
Posted 2 days ago
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Python Developer – Credit Risk at KPMG South Africa
Location: Johannesburg
Job Level: Mid - Senior Developer
Experience Required: 5+ years
Job DescriptionWe are looking for a skilled Python Developer to join our dynamic Credit Risk Team. The ideal candidate will have a strong background in software development, passion for clean code, and the ability to solve complex problems. You will be responsible for developing, maintaining, and optimizing backend systems and APIs using Python. In addition the systems to be developed would be within the Credit domain so an understanding of credit risk models, including Stress Testing, Pricing, Expected Credit Loss (ECL), and Risk Assessment models or similar models will be beneficial.
Key Responsibilities- Redesign, develop, test, and maintain scalable backend services using Python.
- Write clean, efficient, reusable, and testable code following best practices.
- Collaborate with the development team to build robust and efficient ETL processes.
- Work closely with Business Analysts, and Project Managers to automate processes leveraging Python.
- Partner with quants and analysts to translate complex mathematical models into efficient, maintainable Python code.
- Structure data effectively for reporting purposes, ensuring only necessary fields and records are loaded.
- Design, develop, and maintain Python-based tools and applications.
- Optimize code performance to handle large datasets and support real-time processing requirements.
- Document systems comprehensively and actively contribute to internal knowledge sharing.
- A degree in a quantitative field (e.g., Mathematics, Finance, Computer Science, Engineering, or a related discipline).
- 5+ years of professional experience in Python development
- Strong experience with relational databases and SQL
- Proficient in version control systems such as GitHub and Azure DevOps
- Solid understanding and application of unit testing practices
- Exposure to Microsoft Power Platform tools (Power Apps, Power Automate, Power BI) is a plus
- Strong foundation in quantitative finance, statistics, or applied mathematics
- Hands-on experience with core Python libraries, including Pandas, NumPy and SciPy
- 3-5 years of hands-on experience developing credit risk models in Python and relevant Python credentials or qualification
- Strong understanding of financial risk management concepts, particularly credit risk (ECL, stress testing, pricing, risk assessment)
- Mid-Senior level
- Full-time
- Engineering and Information Technology
- Business Consulting and Services
Python Developer
Posted 2 days ago
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Overview
Mid-Level Python Developer (Data & AWS) – Contract: 6 Months with potential for permanent conversion. Location: Sandton, Johannesburg, South Africa.
We are seeking a passionate and skilled Mid-Level Python Developer to join our dynamic Data Science and Engineering team. This is an initial 6-month contract role with the possibility of converting to a permanent position based on performance and business needs. You will be responsible for building and maintaining robust data pipelines that power critical business insights and machine learning initiatives within the bank. The ideal candidate will have hands-on experience with cloud technologies, specifically AWS, and a solid understanding of data engineering principles.
Key Responsibilities- Build Batch Data Pipelines: Design, develop, and maintain efficient and scalable batch data pipelines using AWS Glue. This includes extracting data from various sources, transforming it to meet business needs, and loading it into target systems.
- AWS Services: Work extensively with a range of AWS services beyond Glue, including S3 for data storage, Lambda for serverless computing, and CloudFormation for infrastructure as code.
- PostgreSQL Database: Develop and optimize SQL queries and procedures for a PostgreSQL database. You will be responsible for data modelling, performance tuning, and ensuring data integrity within our relational data stores.
- Amazon SageMaker: Collaborate with data scientists to productionise machine learning models. This involves using Amazon SageMaker to deploy models, manage endpoints, and integrate them into data pipelines.
- FastAPI: Develop and maintain high-performance, asynchronous RESTful APIs using the FastAPI framework. These APIs will be used to serve data and model predictions to other internal applications and services.
- Strong System Non-Functional Experience: Apply a deep understanding of non-functional requirements to your work, focusing on scalability, performance, security, and reliability in a highly regulated banking environment.
- 3+ years of hands-on experience in Python development, preferably in a data engineering or back-end role.
- Proven experience designing and building ETL/ELT data pipelines.
- In-depth knowledge of AWS Glue and other core AWS services.
- Strong proficiency in SQL with significant experience using PostgreSQL.
- Experience with FastAPI or other modern Python web frameworks (e.g., Flask, Django).
- Familiarity with the Amazon SageMaker ecosystem for model deployment.
- Demonstrable experience addressing non-functional requirements such as security, scalability, and system performance.
- Experience with version control systems, particularly Git.
- Excellent problem-solving and communication skills.
- Experience working in a regulated environment, such as the financial services sector.
- Knowledge of containerisation technologies like Docker.
- AWS certifications (e.g., AWS Certified Data Analytics Specialty).
- Experience with CI/CD practices.
- AWS
- Python Development
- PostgreSQL
- SQL
- FastAPI
- A successful startup obsessed with their vision.
- Founders are smart and futuristic with proven success in the past with large corporates.
- Leaders endorsed by previous success in data science and consulting spaces.
- Mid-Senior level
- Contract
- Engineering and Information Technology
- Human Resources Services
Python Developer
Posted 21 days ago
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Key Responsibilities:
In this role, your duties will be diverse and impactful, including:
- Back-End Development: Design, code, test, and maintain high-performance and reliable server-side logic using Python.
- Database Management: Develop complex and efficient SQL queries, manage and optimize database schemas, and ensure data integrity across DBMS platforms.
- Containerization & Orchestration: Build, deploy, and manage applications within Docker containers, orchestrating them at scale using Kubernetes.
- Cloud Integration: Leverage the Microsoft Azure cloud platform to build, host, and scale applications in a modern cloud-native environment.
- Project Lifecycle Involvement: Provide expert input throughout the project lifecycle, from analyzing specifications to providing post-deployment support and troubleshooting.
- Collaboration & Leadership: Work closely with cross-functional teams, offering technical guidance and contributing to architectural decisions.
Experience & Skills Required:
- A minimum of 5 years of professional experience in software development with a strong focus on Python .
- Proven, hands-on experience with relational Database Management Systems (DBMS) such as SQL Server, Oracle, PostgreSQL, or EDB .
- Advanced proficiency in SQL for writing complex queries, optimizing performance, and managing database operations.
- Solid practical experience with Docker for containerization and Kubernetes for container orchestration.
- Demonstrable experience developing, deploying, and managing applications on Microsoft Azure .
- A Bachelor of Science (BSc) Degree in Computer Science, IT, or a related field is highly advantageous .
To Apply:
If you possess the skills and experience required for this senior role, we invite you to apply and become an integral part of this innovative team.
For more information and to apply directly, please visit our website and search for the reference number.
Python Developer
Posted today
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Python developer
Posted today
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Developer Python Sandton
Posted 2 days ago
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ENVIRONMENT:
YOUR coding expertise as a Senior Developer with strong Python & Django skills is sought by a dynamic Tech Company providing sustainable and scalable business solutions. Your role will include performing coding assignments, code reviews, regularly analysing code segments while creating and implementing cutting-edge design plans. You may also be required to update existing software and conduct feasibility studies on company systems. While your role will be managerial in nature, you will also be expected to code applications, create reports, and mentor the Junior Devs. You will require a BSc. Degree in Computer Science or related discipline with at least 3+ years’ suitable work experience & be adept at conducting research into project-related issues and products. Your tech toolset must include Python, Django, SQL, Linux, Source Control, PyTest, Svelte, React, Knockout, Celery, NGINX, UWSGI.
DUTIES:
- Perform coding assignments.
- Review code work for accuracy and functionality.
- Create and implement design plans.
- Delegate tasks to team members.
- Keep up-to-date with industry trends and technology developments.
- Code and test program modules that meet design specifications.
- Maintain, tune and repair applications in order to keep them performing according to technical and functional specifications.
- Identify configuration changes to applications so that they meet business process requirements.
- Read, understand and effectively implement application specifications into database design.
- Manage and/or provide guidance to clients.
- Identify system deficiencies and implement effective solutions.
- Meet with development managers to discuss software projects.
- Conduct feasibility studies for upgraded software systems.
- Design new software programs, websites, and applications.
- Assign tasks to Junior Developers such as coding, testing, debugging, and analytics.
- Write advanced programming code.
- Review updated software systems.
- Manage project timelines and tasks.
- Write Development reports.
- Create technical documents for new software programs.
- Train staff on software use.
REQUIREMENTS:
Qualifications –
- BSc in Computer Science Degree, other related discipline or equivalent.
Experience/Skills –
- 10 Years’ experience typical for someone at full proficiency for this role.
- 3-5 Years’ minimum experience to be fully proficient for this role.
- Ability to write code of a consistently high quality.
- Technically competent with various software programs, including but not limited to Microsoft Office (Word, Excel, PowerPoint, Visio), Microsoft Projects, ServiceNow, Smartsheet and Lucid Chart.
- Adept at conducting research into project-related issues and products.
Technologies:
- Django.
- Python.
- SQL.
- Source Control.
- Testing Framework (PyTest).
- Frontend Framework (Svelte, React, Knockout).
- Experience working in Small/Large Teams.
- Celery.
- NGINX, UWSGI.
ATTRIBUTES:
- Team-building skills with technical and non-technical staff.
- Deadline driven, accountable, thorough and professional.
- Proactive, Efficient and Focused.
- Reliable, trustworthy and a team player.
- Experience working both independently and, in a team-oriented, collaborative environment.
- Flexible with proven ability to conform to shifting priorities, demands and timelines through analytical and problem-solving capabilities.
- Must be able to learn, understand and apply new technologies.
- Support diverse and inclusive work environment.
Senior Python Developer
Posted 2 days ago
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Job Description:We are currently seeking an exceptional Senior Python Developer with eight years of experience to lead our software development efforts. As a seasoned professional in the field of Python programming, you will take on a leadership role within our team, guiding the development of complex software solutions and mentoring junior developers. You will leverage your extensive experience to design, implement, and maintain high-quality software products that meet the needs of our clients and stakeholders.
Responsibilities:
- Lead the design, development, and implementation of Python-based applications and software solutions.
- Collaborate with cross-functional teams to gather requirements, define technical architectures, and develop project plans.
- Mentor and coach junior developers, providing guidance on best practices, code reviews, and technical skills development.
- Drive technical excellence and innovation within the team, staying abreast of emerging technologies and industry trends.
- Architect scalable and maintainable solutions, ensuring adherence to coding standards, design principles, and performance optimization techniques.
- Troubleshoot and debug complex issues, identifying root causes and implementing effective solutions.
- Participate in Agile development methodologies, including sprint planning, backlog grooming, and sprint reviews.
- Communicate effectively with stakeholders to provide updates on project status, address technical challenges, and solicit feedback.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or a related field.
- 8 years of experience as a Python Developer, with a proven track record of delivering successful software projects.
- Expertise in Python programming language and its associated frameworks (e.g., Django, Flask).
- Deep understanding of object-oriented programming principles, design patterns, and data structures.
- Proficiency in relational databases (e.g., PostgreSQL, MySQL) and ORM libraries (e.g., SQLAlchemy).
- Strong analytical and problem-solving skills, with a keen attention to detail.
- Excellent communication and interpersonal skills, with the ability to collaborate effectively with team members and stakeholders.
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Senior Python Developers
Posted 2 days ago
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Position Overview: As a Senior Python Developer, you will be responsible for leading the design, development, and implementation of sophisticated software solutions using Python and related technologies. Leveraging your extensive experience and expertise, you will collaborate with cross-functional teams to deliver high-quality, scalable, and performant solutions that exceed client expectations and industry standards.
Responsibilities- Lead the architecture, design, and development of complex software applications using Python and associated frameworks.
- Collaborate closely with product managers, designers, and other developers to translate business requirements into technical solutions.
- Mentor junior developers and provide technical guidance and support to facilitate their growth and development.
- Conduct thorough code reviews and ensure adherence to coding standards, best practices, and performance optimization techniques.
- Optimize application performance and scalability through efficient coding practices and system architecture design.
- Troubleshoot and debug complex issues to ensure smooth operation and optimal performance of software applications.
- Stay updated on emerging trends and best practices in Python development and contribute to knowledge sharing within the team.
- Drive continuous improvement initiatives to enhance development processes, tools, and methodologies.
- Bachelor's degree in Computer Science, Engineering, or related field.
- Minimum of 8 years of professional experience in Python development.
- Expertise in Python programming language and extensive experience with Python-based frameworks such as Django, Flask, or Pyramid.
- Strong understanding of software engineering principles, design patterns, and architectural concepts.
- Experience with relational and non-relational databases such as PostgreSQL, MySQL, MongoDB, or Redis.
- Proficiency in version control systems such as Git and collaborative development workflows.
- Excellent problem-solving and analytical skills.
- Ability to work independently and collaboratively in a fast-paced environment.
- Strong communication and interpersonal skills.
- Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
- Knowledge of containerization technologies such as Docker and container orchestration platforms like Kubernetes.
- Understanding of Agile methodologies and software development lifecycle (SDLC) processes.
- Contributions to open-source projects or developer communities.
- Continuous learning mindset with a commitment to staying updated on industry trends and technologies
Python Software Engineer
Posted today
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Intermediate Python Developer
Posted 16 days ago
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- 5+ years of back-end development experience
- Strong expertise in Python, PHP, REST APIs, FastAPI/Django
- Experience in ETL design, relational databases, and Linux
- Solid knowledge of Git/version control, code releases, and software testing
- Bonus: C#, Perl, Symfony framework, or Elastic Search experience
- Excellent communication skills and the ability to manage multiple priorities
- A Degree in Computer Science, Information Science, or a related field (plus certifications = a big win!)
If youre looking for a role where your code shapes real-world impact, your ideas are valued, and your career can grow alongside one of South Africas premier retailer, then we want to hear from you!