Senior Developer

Techfactorial; Johannesburg; On-site; ZAR 300 000 - 400 000; Full time

Job summary

A technology consulting firm in Johannesburg is looking for a Senior Mobile & SK Integration Engineer to lead the integration of mobile SDKs into enterprise applications. The ideal candidate will have 6-10 years of mobile engineering experience and proficiency in Swift, Kotlin, and Java. Responsibilities include implementing secure coding practices and conducting QA. This contract position offers a dynamic environment within the IT services sector.

Qualifications

• 6-10+ years of experience in mobile engineering.
• Strong proficiency in programming languages such as Swift, Kotlin, and Java.
• Experience in building and integrating mobile SDKs is essential.
• Deep understanding of secure mobile development practices.

Responsibilities

• Lead the integration of mobile SDKs into enterprise applications.
• Implement secure coding and device integrity checks.
• Conduct QA and debugging for mobile applications.

Skills

Mobile engineering experience

Proficiency in Swift

Proficiency in Kotlin

Proficiency in Java

Building and integrating mobile SDKs

Understanding of secure mobile development

Strong REST API knowledge

Job description

Senior Mobile & SK Integration Engineer (South Africa)

Lead engineer responsible for delivering and integrating the SEE mobile SD into enterprise mobile applications across insurance, banking, MSSP, and large platform environments.

Key Responsibilities

• Develop, package, and maintain enterprise-grade iOS & Android SKs.
• Implement secure mobile coding, anti-tamper logic, and device-integrity checks.
• Integrate SIM-change and device-trust signals.
• Optimise SDK performance for low-latency use cases.
• Conduct QA, debugging, and test-harness development.
• Align SK behaviour with enterprise cybersecurity and architecture requirements.

Required Skills

• 6-10+ years mobile engineering.
• Strong proficiency in Swift, Kotlin, Java.
• Experience building and integrating mobile SDKs.
• Deep understanding of secure mobile development and device-state APIs.
• Strong REST API and secure token workflow knowledge.
• Prior experience in banking, insurance, fintech, or MSSP environments.

Seniority level: Mid-Senior level

Employment type: Contract

Job function: Engineering and Information Technology

Industries: IT Services and IT Consulting

Location : Johannesburg Metropolitan Area

Salary : ZAR, - ZAR,

We are hiring urgently.

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