Full Stack Developer (Senior) 2427

Opensource; Gauteng; On-site; ZAR 900,000 - 1,500,000; Full time

Job summary

Opensource in Gauteng seeks a senior software engineer with 10+ years in Java applications to design, develop, test, and deploy in an Agile/DevOps environment. You will build secure, scalable platform services using Java, TypeScript, Angular, and related tech, and lead CI/CD pipelines.

You will work across architecture, analytics, and operations teams, mentor teammates, and uphold secure coding standards while advancing AI-assisted engineering practices and cloud-native toolchains such as

Qualifications

• IT Degree or Diploma.
• 10+ years of experience developing Java and/or Angular applications.
• Experience with modern Agile and DevOps delivery practices.
• Experience working with AI-assisted engineering tools and methodologies.

Responsibilities

• Conduct system analysis, solution design, development, testing, and deployment within an Agile/DevOps environment.
• Design and build secure, scalable, and maintainable applications and platform services.
• Develop high-quality solutions using Java, TypeScript, Angular, and related technologies.
• Create solutions using cloud-native toolchains and AI-assisted development practices.
• Build and maintain CI/CD pipelines to improve deployment agility and quality.
• Automate development, testing, deployment, and operational processes.
• Ensure applications adhere to cybersecurity and secure coding standards.
• Resolve complex Tier 2 and Tier 3 production support issues.
• Plan and execute upgrades of existing applications and platform capabilities.
• Collaborate with architects, analysts, developers, testers, operations, and business stakeholders.
• Contribute to technical design reviews, code reviews, mentoring, and engineering best practices

Skills

Java

TypeScript

Angular

JSF

REST APIs

Enterprise apps

AI-assisted dev

Secure coding

CI/CD

Git

GitHub

GitHub Actions

Maven

SonarQube

Jira

Containers

Kubernetes

Azure

Oracle

PostgreSQL

PL/SQL

AI tools

Education

IT Degree

Tools

GlassFish

GlassFish Micro

Quarkus

Apache

Nginx

Docker

Kubernetes

CloudFormation

Terraform

Ansible

Jira

Git

Maven

GitHub Actions

Azure

Job description

Key Responsibilities

• Conduct system analysis, solution design, development, testing, and deployment within an Agile/DevOps environment.
• Design and build secure, scalable, and maintainable applications and platform services.
• Develop high-quality solutions using Java, TypeScript, Angular, and related technologies.
• Create solutions using cloud-native toolchains and AI-assisted development practices.
• Build and maintain CI/CD pipelines to improve deployment agility and quality.
• Automate development, testing, deployment, and operational processes.
• Ensure applications adhere to cybersecurity and secure coding standards.
• Resolve complex Tier 2 and Tier 3 production support issues.
• Plan and execute upgrades of existing applications and platform capabilities.
• Collaborate with architects, analysts, developers, testers, operations, and business stakeholders.
• Contribute to technical design reviews, code reviews, mentoring, and engineering best practices

Essential Skills & Experience

Development & Frameworks

• 10+ years' experience in Java application development
• Strong experience with:
  • Java
  • TypeScript
  • Angular
  • JSF
  • RESTful APIs
  • Enterprise application development

Application & Web Platforms

• GlassFish
• GlassFish Micro
• Quarkus
• Apache
• Nginx

DevOps & CI/CD

• Git
• GitHub
• GitHub Actions
• Maven
• SonarQube
• Jira
• Build and deployment pipelines
• Container registries

Containers & Cloud

• Docker
• Kubernetes
• Cloud experience (Azure preferred)

Databases

• Oracle
• PostgreSQL
• PL/SQL

AI-Enabled Engineering

• Experience using AI-assisted development tools such as GitHub Copilot or equivalent
• Understanding of AI-assisted engineering practices
• Familiarity with context engineering principles
• Knowledge of responsible AI, guardrails, and AI evaluation techniques

Security & Operations

• Secure coding practices
• Application monitoring and observability
• Incident management
• Production support and troubleshooting

Advantageous Experience

• Retrieval-Augmented Generation (RAG)
• AI orchestration frameworks
• Test Automation
• TDD / BDD
• Performance optimisation
• Infrastructure as Code:
  • Terraform
  • Ansible
  • CloudFormation
• Operational excellence and platform reliability
• Technical leadership and mentoring experience

Qualifications

• IT Degree or Diploma
• 10+ years of experience developing Java and/or Angular applications
• Experience with modern Agile and DevOps delivery practices
• Experience working with AI-assisted engineering tools and methodologies