Cortex & IST Developer (Banking Sector)

TAWANTECH; Riyadh; On-site; SAR 400,000 - 600,000; Full time

Job summary

A leading financial technology company in Riyadh is seeking a highly skilled Cortex & IST Developer. The ideal candidate will oversee the end-to-end development lifecycle of banking applications and will need to have over 5 years of experience in a banking environment along with strong technical skills. Responsibilities include designing system integrations, resolving technical issues, and enhancing platform functionality. Excellent communication and collaboration with cross-functional teams are essential to ensure seamless operation and compliance in a regulated environment.

Qualifications

• 5+ years of hands-on development experience with Cortex & IST in a banking environment.
• Strong understanding of banking systems and transaction processing.
• Proven experience in system integrations and backend development.

Responsibilities

• Own the end-to-end development lifecycle of Cortex & IST applications.
• Design and implement system integrations with Core Banking and Middleware systems.
• Troubleshoot and resolve complex technical issues in UAT and Production environments.

Skills

Hands-on development experience with Cortex & IST

Understanding of banking systems

System integrations and backend development

Debugging and troubleshooting skills

Experience in high-availability systems

Agile methodologies

Excellent communication skills

Education

Bachelor’s degree in Computer Science or related field

Job description

Domain: Banking / Financial Services
Experience: +5 Years
Location: KSA / On-site (Riyadh)
Employment Type: Full-Time

Role Overview:

We are hiring a highly skilled Cortex & IST Developer to work on mission‑critical banking systems within a complex, regulated financial environment. This role is not limited to development only — it requires deep technical ownership, strong banking domain understanding, and the ability to deliver stable, secure, and scalable solutions.

You will play a key role in enhancing and supporting Cortex & IST platforms, collaborating with business, testing, and operations teams to ensure seamless system performance and business continuity.

Key Responsibilities:

• Own the end‑to‑end development lifecycle of Cortex & IST applications (design, development, testing support, deployment, and production support).
• Develop, customize, and enhance Cortex & IST modules based on business and regulatory requirements.
• Analyze complex business requirements and translate them into robust technical solutions.
• Design and implement system integrations with Core Banking, Card Management, Channels, and Middleware systems.
• Troubleshoot and resolve complex technical issues in UAT and Production environments.
• Participate in system upgrades, patches, and version migrations.
• Ensure high standards of security, performance, and code quality.
• Support testing teams during SIT/UAT phases and ensure timely defect resolution.
• Prepare and maintain high‑quality technical documentation.
• Collaborate with cross‑functional teams including Business, QA, Infrastructure, and Vendors.

• Bachelor’s degree in Computer Science, Information Technology, or a related field.

• +5 Years of hands‑on development experience with Cortex & IST in a banking environment.
• Strong understanding of banking systems, transaction processing, and card‑related workflows.
• Proven experience in system integrations and backend development.
• Strong debugging, troubleshooting, and root‑cause analysis skills.
• Experience working in high‑availability, production‑critical systems.
• Solid understanding of SDLC, Agile methodologies, and release management.
• Excellent communication skills and ability to work with technical and non‑technical stakeholders.