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Full Stack Developer (Chief Expert)
Job Location:
Job Location:
Pretoria - South Africa
Monthly Salary:
Not provided by the employer
Monthly Salary:
Posted:
24 October 2026 (5 hours ago)
Posted:
Application Deadline:
21 January 2027
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Reference: JHB001527-SN-2
ESSENTIAL SKILLS:
ADVANTAGEOUS SKILLS:
ESSENTIAL SKILLS:
- Mainframe & Modernisation
- Deep understanding of enterprise mainframe architectures and application landscapes.
- Strong experience in mainframe-to-cloud modernisation and migration.
- Strong working knowledge of IBM DB2 and IMS.
- Understanding of COBOL PL/I Java and J2EE environments.
- Experience analysing legacy applications dependencies interfaces data flows and integration points.
- Ability to define modernisation strategies including refactoring replatforming decoupling and application redesign.
- Experience designing repeatable migration patterns suitable for a migration factory approach.
- Cloud & Architecture
- Strong AWS cloud architecture experience.
- Experience defining target architectures reference architectures architectural principles and solution patterns.
- Strong understanding of cloud-native and distributed application architectures.
- Experience with AWS Blu Age or equivalent automated mainframe transformation approaches.
- Knowledge of AI-enabled software engineering and its application within legacy modernisation.
- Strong understanding of service-oriented modular and decoupled architectures.
- Experience designing for scalability availability resilience security and operational supportability.
- Integration & Data
- Strong enterprise system integration architecture experience.
- API design and OpenAPI principles.
- Event-driven architecture.
- Kafka and Pub/Sub integration patterns.
- Mainframe-to-cloud data migration and synchronisation.
- Change Data Capture concepts and technologies.
- Experience integrating modernised applications with legacy and cloud platforms.
- Engineering & Automation
- Strong understanding of modern software engineering and DevOps practices.
- Java and modern application development principles.
- CI/CD and automated delivery concepts.
- Infrastructure as Code principles.
- Experience with Terraform and/or AWS CloudFormation.
- Git and Maven.
- Container technologies including Docker Kubernetes and/or OpenShift.
- Linux/Unix environments and shell scripting.
- Automated testing system integration testing and parallel-run approaches.
- Chief Expert / Architecture Leadership
- Ability to establish technical direction across a complex modernisation programme.
- Ability to translate modernisation strategy into executable architecture and engineering standards.
- Ability to make and govern complex architectural decisions across multiple applications and delivery teams.
- Ability to develop reusable architectural patterns rather than application-specific solutions.
- Strong technical leadership and engineering mentoring capability.
- Ability to evaluate emerging technologies through proofs of concept and translate outcomes into production architecture.
- Ability to communicate complex technical decisions to senior management Product Owners and engineering teams.
- Strong stakeholder management and ability to drive technical alignment across multiple organisations
ADVANTAGEOUS SKILLS:
- Experience with AWS Transform for mainframe / AWS Re:Imagine.
- Practical experience with AWS Blu Age.
- Experience applying AI-assisted or AI-native software engineering techniques to application modernisation.
- Experience with automated source-code analysis business-rule extraction and specification generation.
- Experience establishing or scaling a mainframe migration factory.
- Experience modernising large enterprise application portfolios.
- Experience running multiple modernisation approaches in parallel.
- Practical experience transitioning from legacy architectures towards microservices and cloud-native architectures.
- Serverless architecture and AWS Lambda.
- AWS services such as S3 and Glue.
- Experience with Payara and/or Quarkus.
- Experience working with IBM IIB or comparable enterprise integration technologies.
- Test-driven development and automated unit/integration testing.
- Experience working in large-scale Agile delivery environments.
- Experience working with globally distributed engineering teams and external technology partners.
- Experience coaching architects and senior engineers.
- German language capability advantageous.
- Experience working within regulated or highly governed enterprise IT environments.
Duties & Responsibilities
RESPONSIBILITIES:
- Technical Strategy & Architecture
- Own and evolve the technical architecture for the Mainframe Migration Service.
- Define the target architecture for mainframe-to-cloud modernisation.
- Establish architecture principles standards patterns and guardrails for migration teams.
- Define reusable reference architectures that can be applied across multiple migration initiatives.
- Ensure architectural consistency across legacy integration cloud and modern application landscapes.
- Guide technical decisions regarding the appropriate modernisation approach for different application
- characteristics.
- Ensure architecture supports long-term maintainability and does not simply recreate legacy complexity in the cloud.
- Modernisation Capability
- Lead the technical establishment and industrialisation of the AWS Re:Imagine / AWS Transform modernisation capability.
- Ensure architectural alignment between the emerging Re:Imagine capability and the established AWS Blu Age migration approach.
- Define how multiple modernisation paths can operate within a common migration service.
- Evaluate new modernisation technologies and approaches through structured POCs.
- Convert successful POC outcomes into governed repeatable production patterns.
- Identify architectural constraints technical risks and dependencies early in the migration lifecycle.
- Migration Architecture
- Define application and data migration architecture.
- Establish approaches for legacy application analysis decomposition and decoupling.
- Define cloud landing-zone and application deployment architecture appropriate to migrated workloads.
- Define patterns for migration of DB2 and IMS-based applications.
- Define integration and coexistence patterns between mainframe and modernised applications.
- Define data synchronisation and Change Data Capture patterns where parallel operation is required.
- Support migration testing system integration parallel running and production implementation activities.
- Engineering Enablement
- Establish reusable engineering patterns supporting faster migration delivery.
- Drive automation across build test deployment and infrastructure provisioning.
- Define technical quality standards and architecture acceptance criteria.
- Guide engineering teams on cloud-native architecture and modern software engineering practices.
- Reduce application-by-application reinvention by establishing standard solutions that can be reused across the migration portfolio.
- Mentor architects and engineers and facilitate technical knowledge transfer.
- Ensure knowledge is institutionalised within the organisation rather than concentrated within individual suppliers or resources.
- Technical Governance
- Lead significant technical and architectural decisions affecting the migration service.
- Conduct architecture and system design reviews and identify required improvements.
- Ensure solutions remain aligned with enterprise architecture security and integration requirements.
- Establish architectural decision records and technical standards where appropriate.
- Identify technical debt and architectural risks before they impact migration delivery.
- Balance architectural governance with the need for delivery speed.
- Stakeholder & Delivery Alignment
- Work closely with the Product Owner and Delivery Manager to translate strategy into executable technical roadmaps.
- Provide technical options and recommendations for future technology decisions.
- Translate business and migration requirements into implementable architecture.
- Collaborate with application teams architecture infrastructure cloud security and integration stakeholders.
- Collaborate with external suppliers and technology partners during POCs and implementation activities.
- Present architectural decisions risks trade-offs and recommendations clearly to technical and non-technical stakeholders.
- Support migration planning technical estimation and dependency identification.
- Provide technical guidance to enable the migration capability to scale across multiple delivery teams.
- Relevant university degree in Computer Science Information Technology Software Engineering Computer Engineering or a related discipline.
- Alternatively demonstrable equivalent senior-level enterprise architecture and software engineering experience.
- Relevant cloud and architecture certifications are advantageous.
- 10 years relevant professional experience in enterprise IT software engineering or technology architecture.
- This aligns with the minimum experience requirement in the existing specification.
- Significant experience working as a Solution Architect Technical Architect Enterprise Architect or equivalent senior technical role.
- Proven experience architecting complex enterprise solutions.
- Proven experience in mainframe modernisation and mainframe-to-cloud migration.
- Practical experience working with legacy mainframe technologies such as DB2 IMS COBOL and PL/I.
- Strong practical experience with AWS or comparable hyperscale cloud environments.
- Proven experience defining target architectures and reference architectures.
- Experience taking architecture from concept or POC through to production implementation.
- Experience with enterprise system integration and complex application dependencies.
- Experience with modern software engineering automation and DevOps practices.
- Experience providing technical leadership across multiple teams and disciplines.
- Demonstrated experience mentoring and developing engineers and architects.
- Experience influencing technical direction across organisational boundaries.
- Experience translating complex technical strategy into executable delivery.
- Experience communicating architecture and technology decisions to senior stakeholders.
- Experience working with external suppliers and technology partners.
- Experience working across geographically distributed teams.
- Ability to work independently and take accountability for complex technical topics.
- Strong written verbal and presentation capability.
- Willingness and ability to travel internationally where required consistent with the existing role specification.
Required Experience:
Chief
