This is a remote position.
Job Title: UX Specialist
Location: Portugal
Work Regime: Fulltime & Remote
Overview / Summary:
We are looking for a UX Specialist to join our team!
This person will own the endtoend user experience for developers partners and internal teams integrating with our partners financial APIs (proprietary). Your work will directly impact adoption rates developer satisfaction and the portal s ability to drive business growth. You ll bridge the gap between complex technical capabilities and intuitive frictionless design ensuring the portal becomes the preferred destination for fintech innovation.
Responsibilities and Tasks:
1. User Research & DeveloperCentric Design
- Conduct user interviews surveys and competitor analysis to identify painpoints in existing API portals;
- Define developer personas (e.g. fintech engineers thirdparty partners internal ops teams);
- Map user journeys for critical flows (onboarding authentication debugging).
2. Portal Architecture & Navigation Design
- Design intuitive IA (Information Architecture) for easy discovery of APIs docs and tools;
- Optimize search functionality and API filtering (by use case region regulatory requirements);
- Structure multilevel documentation (quickstart guides vs. deep technical specs).
3. Wireframing & Prototyping
- Create low/highfidelity prototypes (Figma Sketch) for API key management & authentication flows (OAuth2 MTLS); Interactive API explorer (embedded Swagger UI with tryit functionality); Sandbox environment with simulated test data; Validate designs through usability testing with real developers.
4. UI Design & Integration
- Collaborate with UI designers to ensure consistent branding (USBC visual language);
- Design developerfriendly dashboards for usage analytics billing and alerts;
- Ensure responsive design (mobile/desktop) for onthego developers.
5. Accessibility & Compliance
- Guarantee WCAG 2.1 AA compliance (key for financial inclusivity);
- Align with Open Banking/PSD2 UX standards (e.g. clear consent workflows).
6. CrossFunctional Collaboration
Partner with:
- Product Managers to prioritize UX improvements based on business impact;
- Engineers to ensure designs are feasible within our proprietary framework;o Technical Writers to make documentation visually scannable;
- Marketing to create developer onboarding campaigns.
Requirements
Mandatory Requirements:
- 3 years in UX design for developer tools SaaS or API products (fintechexperience a plus);
- Portfolio showcasing complex workflows simplified through UX (e.g. APIportals dashboards);
- Proficiency in Figma Sketch or Adobe XD prototyping tools (ProtoPie Framer);
- Experience with user research methods (surveys usability testing heatmaps);
- Understanding of REST APIs OpenAPI/Swagger and developer pain points.
Complementary Requirements:
- Knowledge of fintech regulations (Open Banking GDPR) and their UX implications;
- Basic frontend skills (HTML/CSS React) to communicate effectively with engineers.
#VisionaryFuture Build the future join our living ecosystem!
Mandatory Requirements: 8+ years of professional experience relevant for the role; Vast experience with Vanilla Javascript; Experience with or ; Experience with Azure Cloud is a plus. Experience with New Relic is a Plus. Use state management like Redux or other. Experience with unit testing, integration testing, and test-driven development (TDD, Shift-Letf); Agile methodologies such as Scrum and Kanban; Languages: fluent English. #VisionaryFuture - Build the future, join our living ecosystem!