Senior Python Developer

Recruiter:

Psybergate (Pty) LTD

Job Ref:

PR000711/RN

Date posted:

Thursday, February 26, 2026

Location:

Johannesburg, South Africa

Salary:

Monthly

SUMMARY:
Psybergate is an IT company that builds bespoke software solutions and provides highly skilled resources to its clients.
We are recruiting a Senior Python Developer for a client based in Sandton on a hybrid basis.Â

The Senior Python Developer will be responsible for building and maintaining production-grade Python systems that support AI and machine learning solutions at scale.

POSITION INFO:
What you will be doing:

Architect, develop, and maintain high-performance Python applications supporting AI and machine learning use cases.
Lead peer code reviews and enforce best practices in software engineering and coding standards.
Design, build, and manage ELT/ETL data pipelines in massively parallel processing environments (e.g. Spark, Ray, or similar).
Oversee the full machine learning model lifecycle, including deployment, monitoring, optimisation, and maintenance.
Implement automated monitoring, alerting, and reliability mechanisms for production ML systems.
Mentor junior developers and data scientists on Python development and engineering best practices.
Collaborate with stakeholders to translate business and analytical requirements into robust technical solutions.
Contribute to improving system performance, scalability, and operational resilience.

What we are looking for:

BSc in Computer Science or a related field ( *Transcripts Required)
5+ yearsâ experience in Python development with strong software engineering fundamentals.
Proven experience building and supporting production-grade systems.
Strong understanding of software design principles, including SOLID principles.
Experience with CI/CD pipelines, Git, and unit testing frameworks.
Hands-on experience with MLOps tools such as MLflow, Kubeflow, or similar platforms.
Strong knowledge of cloud platforms such as AWS, Azure, or GCP.
Ability to debug complex systems and deliver scalable, maintainable solutions.
Strong collaboration and communication skills with the ability to work across technical and business teams.
Ownership mindset with a focus on system reliability, performance, and continuous improvement.

Advantageous experience:

Exposure to tools such as Vertex AI, BigQuery, and Cloud Composer.
Experience working in large-scale data environments and distributed systems.

Please note that if you do not hear from us within 3 weeks, consider your application unsuccessful.

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