Senior UX/UI Designer

Overview

We are looking for a Senior UX/UI Designer with strong experience in designing enterprise-grade digital products to support the evolution of a low-code platform (OutSystems). The ideal candidate combines design thinking, user research, and hands-on UI execution, with a deep understanding of how design integrates into agile low-code environments.

This role will work closely with product owners, developers, and business stakeholders to deliver intuitive, accessible, and scalable user experiences in a mission-driven environment.

Key Responsibilities

UX Strategy & Research

• Lead user research activities (interviews, usability testing, journey mapping) to understand user needs and pain points
• Translate business requirements into user-centered design solutions
• Define personas, user flows, and information architecture
• Drive adoption of design thinking practices across the team

UI Design & Prototyping

• Create high-fidelity UI designs, wireframes, and interactive prototypes
• Ensure visual consistency through design systems and reusable components
• Adapt designs to OutSystems UI frameworks and patterns
• Collaborate with developers to ensure pixel-perfect implementation

OutSystems Experience Integration

• Design solutions optimized for low-code environments, balancing flexibility and platform constraints
• Leverage OutSystems UI components and templates effectively
• Contribute to the definition of reusable UX/UI assets within the OutSystems ecosystem

Collaboration & Delivery

• Work in Agile/Scrum teams, participating in sprint planning, reviews, and retrospectives
• Collaborate with product managers and stakeholders to prioritize UX improvements
• Provide clear design specifications and guidance to development teams
• Advocate for accessibility (WCAG) and inclusive design standards

Required Qualifications

• 5+ years of experience in UX/UI design for enterprise or digital platforms
• Proven experience delivering end-to-end UX/UI solutions (research → design → implementation)
• Strong portfolio showcasing complex applications (not just marketing sites)
• Experience working with low-code platforms (OutSystems preferred, Mendix/Appian acceptable)
• Proficiency in tools such as Figma, Sketch, Adobe XD
• Solid understanding of:
  • Design systems and component libraries
  • Responsive and mobile-first design
  • Accessibility standards (WCAG 2.1+)
  • Experience working in Agile environments

Preferred Qualifications

• Prior experience in multilateral organizations, public sector, or financial institutions
• Familiarity with OutSystems UI framework and reactive web apps
• Experience designing for data-heavy or workflow-driven platforms
• Knowledge of frontend technologies (HTML, CSS, basic JS) to collaborate effectively with developers
• Experience contributing to design governance and standards

Key Competencies

• Strong problem-solving and critical thinking skills
• Ability to balance user needs, business goals, and technical constraints
• Excellent communication and stakeholder management skills
• High attention to detail and usability
• Proactive, collaborative, and delivery-oriented mindset

What We Offer

• Opportunity to work on high-impact, mission-driven digital platforms
• Collaboration with international and multidisciplinary teams~
• Exposure to innovative low-code technologies and scalable architectures
• Flexible work model (hybrid, Washington DC)