Senior GemStone Developer

Job Description

Build. Optimise. Innovate. Lead the Future of Enterprise Applications.

Are you a Senior Developer who enjoys solving complex technical challenges, working with unique technology, and making enterprise systems faster, smarter and more resilient?

We’re looking for a Senior GemStone Developer to join our team and take ownership of the design, development, optimisation and maintenance of complex GemStone/S Smalltalk applications.

This is more than a coding role. You’ll be a technical problem-solver, systems thinker and GemStone Subject Matter Expert , helping shape technical solutions, improve platform performance, mentor developers and contribute to the evolution of critical enterprise applications.

Build & Deliver

• Design, develop, test and maintain applications using the GemStone/S Smalltalk platform .

• Translate business and functional requirements into robust, scalable technical solutions.

• Write clean, efficient, maintainable and well-documented code.

• Conduct code reviews and provide constructive technical guidance.

• Troubleshoot and resolve complex production issues.

• Optimise application performance, reliability and scalability.

• Leverage AI-assisted development and testing tools to improve productivity, quality and resilience.

Shape the Architecture

• Contribute to technical and architectural decisions across new and existing platforms.

• Participate in technical design sessions, solution walkthroughs and architecture discussions.

• Ensure solutions align with enterprise architecture, security and development standards.

• Identify opportunities to introduce AI-driven automation, predictive capabilities and intelligent monitoring .

• Help evolve platforms to support future business and technology requirements.

Quality, Stability & Governance

• Follow coding standards, development methodologies and version-control practices.

• Identify technical risks and recommend practical mitigation strategies.

• Support testing, deployment and release activities.

• Help ensure stable, secure and reliable production environments.

• Use modern tooling, including AI-driven capabilities, to strengthen code quality, anomaly detection and system monitoring .

Collaborate & Influence

• Work closely with Business Analysts, QA/Testers, DevOps, Infrastructure and other technology teams .

• Contribute to technical scoping, estimation and delivery planning.

• Translate complex technical concepts into clear business language.

• Build strong relationships with technical and non-technical stakeholders.

Lead & Mentor

• Mentor and support Junior and Intermediate Developers .

• Act as the team's GemStone Subject Matter Expert .

• Share knowledge, best practices and technical expertise.

• Contribute to documentation, knowledge-sharing and continuous improvement.

• Encourage the responsible adoption of AI tools and modern development practices .

Posted By

Oren Naidoo