Senior OutSystems Engineer — .NET & API Integrations (KSA)

tamemit; Riyadh; On-site; SAR 240,000 - 420,000; Full time

Job summary

tamemit is seeking a Senior OutSystems Developer to design, build and maintain reactive web applications on the OutSystems platform onsite in Saudi Arabia. The role requires strong .NET experience, API integrations, and a focus on security, performance, and scalable architectures.

You will collaborate with business analysts, UX/UI designers, and solution architects to translate requirements into robust technical solutions, while mentoring junior developers and guiding CI/CD practices across the

Qualifications

• 5+ years of software development, with 3+ years in OutSystems Reactive Web and mobile apps.
• Strong background in .NET development (C#, ASP.NET, Web APIs).
• Experience with OutSystems Reactive Web apps, client-side logic and data flows.
• Experience integrating with REST/SOAP APIs and SSO using OAuth2 or SAML.
• Solid understanding of OutSystems best practices, architecture, and performance optimization.
• Experience with SQL Server or equivalent RDBMS for complex queries.

Responsibilities

• Design, develop, and maintain Reactive Web apps on the OutSystems platform.
• Leverage .NET expertise to extend OutSystems functionality via custom integrations.
• Collaborate with analysts, UX/UI designers, and architects to translate requirements.
• Develop integrations with REST/SOAP APIs and authentication systems.
• Apply best practices in architecture, performance, and modularization.
• Participate in code reviews, design sessions, and QA processes.
• Support deployment via OutSystems Lifetime, Git, and CI/CD pipelines.
• Mentor junior developers and share knowledge with the team.
• Troubleshoot issues across dev, test, and production environments.
• Improve scalability, maintenance, and security of applications.

Skills

OutSystems Reactive Web

NET development

REST/SOAP APIs

OAuth2

SAML

CI/CD

SQL Server

Git

Frontend development

Accessibility

Tools

OutSystems Platform

Git-based workflows

OutSystems Lifetime

CI/CD tools

Job description

tamemit is seeking a Senior OutSystems Developer to design, build and maintain reactive web applications on the OutSystems platform onsite in Saudi Arabia. The role requires strong .NET experience, API integrations, and a focus on security, performance, and scalable architectures.

You will collaborate with business analysts, UX/UI designers, and solution architects to translate requirements into robust technical solutions, while mentoring junior developers and guiding CI/CD practices across the