Senior OutSystems Developer

About the role

Sword Group is seeking an experienced Senior OutSystems Developer to design, build, integrate and support enterprise‑critical applications using OutSystems and .NET technologies. You will work on full‑stack solutions, ensuring high performance, security and reliability while collaborating with cross‑functional teams.

Key responsibilities

• Design and develop responsive web and mobile applications on the OutSystems platform.
• Integrate external systems via REST/SOAP APIs and third‑party services.
• Maintain and support applications in production, providing troubleshooting and performance tuning.
• Implement security best practices, authentication and authorization mechanisms.
• Monitor application health, perform root‑cause analysis and apply fixes.
• Collaborate with DevOps and cloud teams to align with modern architecture standards.

Required profile

• 5+ years of hands‑on OutSystems development and architecture experience.
• Certified OutSystems Full‑Stack Developer.
• Strong background in .NET development (ASP.NET MVC.NET Core).
• Proven experience delivering and supporting enterprise‑grade applications.
• Familiarity with Agile development methodologies.

Required skills

• OutSystems Service Studio
• OutSystems Integration Studio
• OutSystems Lifetime
• OutSystems Service Center
• Reactive Web Applications
• Mobile Applications
• REST and SOAP APIs
• Third‑party system integrations
• Performance optimization
• Troubleshooting
• Security best practices
• Application monitoring
• Authentication and authorization protocols
• .NET / ASP.NET MVC
• .NET Core
• SQL Server
• JavaScript
• jQuery
• HTML5
• CSS
• Agile methodologies
• IIS