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Senior Full Stack Engineer

Digicert

Cape Town permanent

Posted: May 6, 2026

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Quick Summary

As a Senior Full Stack Engineer, you will work on designing, developing, and maintaining complex software systems, with a focus on security, scalability, and performance.

Job Description

Who we are

DigiCert is a global leader in intelligent trust. We protect the digital world by ensuring the security, privacy, and authenticity of every interaction. Our AI-powered DigiCert ONE platform unifies PKI, DNS, and certificate lifecycle management, to secure infrastructure, software, devices, messages, AI content and agents. Learn why more than 100,000 organizations, including 90% of the Fortune 500, choose DigiCert to stop today’s threats and prepare for a quantum-safe future at www.digicert.com

Job summary

As a Senior Full-Stack Engineer, you will work on designing, developing, and maintaining web applications, ensuring they are scalable, secure, and perform well across different environments. You will collaborate closely with product managers and other engineers to create seamless user experiences and ensure the smooth integration of front-end and back-end components.

What you will do

• Collaborate with developers, product managers, and other teams to design and implement scalable, secure, and maintainable web applications that meet customer needs.

• Develop the front-end of the application using React, ensuring an engaging and responsive user interface.

• Work on the Java-based backend to implement business logic, database interaction, and integration with other services.

• Ensure the integration of back-end services with the front-end, enabling seamless data flow and communication between components.

• Implement cloud services (AWS or other cloud platforms) for scalability and performance optimization, ensuring that the infrastructure is reliable and cost-effective.

• Monitor and optimize application performance and system reliability, collaborating across teams to resolve issues.

• Write clean, efficient, and maintainable code following best practices and development standards.

• Troubleshoot and resolve issues in both development and production environments, ensuring minimal downtime and quick resolution of bugs.

• Participate in code reviews to maintain high code quality and ensure consistency across the team.

• Stay up-to-date with the latest industry trends, emerging technologies, and best practices in full-stack development and cloud technologies.

• Contribute to architectural decisions, ensuring ystems are designed for scalability, maintainability, and security.

What you will have

• Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).

• 5+ years of experience in software development, with strong proficiency in React and Java.

• Experience with modern front-end technologies and best practices (e.g., state management, component libraries, UI/UX design).

• Proficiency in Java backend development, including RESTful APIs, database integration (e.g., SQL, NoSQL), and microservices architecture.

• Familiarity with cloud platforms (AWS preferred) and experience in deploying and managing cloud-based applications.

• Experience with CI/CD pipelines for automated testing and deployment.

• Familiarity with DevOps tools and Infrastructure as Code (e.g Terraform, CloudFormation).

• Strong problem-solving and debugging skills, with the ability to quickly identify and resolve issues in production environments.

• Knowledge of version control using Git, and experience with agile development methodologies.

• Excellent communication and collaboration skills, with the ability to work in a cross-functional team.

Benefits

• Provident Fund

• Medical Aid + Gap Cover

• Employee Assistance Program

• Gym Reimbursement

• Life Insurance

• Disability Insurance

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