We’re Blazity — a team of React.js and Next.js experts creating powerful web experiences. We have years-long relationships with many of our clients. As trusted development partners, we take full ownership of the projects and continuously optimize apps, stores, websites, and implement new features, or automate workflows.Looking for your next adventure? As it is said, you must gather your party before venturing forth — so why not join us?Fueling Innovation, igniting Careers — join us Now! 🚀We are looking for an experienced Senior Product Designer to join us for a high-impact SaaS developer platform project (freelance, ~1 month). This is a hands-on role for someone who can onboard quickly, understand complex technical products, and elevate key developer journeys.Our requirements 5+ years of experience as a Product / UX / UI Designer (SaaS or developer tools preferred), Strong expertise in design systems, interaction design, and UI craft, High fluency in Figma (ability to produce multiple solution variants quickly), Experience working closely with engineering teams (Jira or similar tools), Ability to operate autonomously, prioritise effectively, and deliver in ambiguous environments, Experience using product analytics (e.g. Mixpanel) to inform design decisions, Ability to interpret usage data and logs (e.g. ElasticSearch dashboards) to identify UX gaps, Strong understanding of technical constraints and translating them into usable interfaces, English at least C1 level.  Nice to have: Experience with Voice AI, speech tech, or API-driven platforms, Experience designing developer-facing products or platforms. Scope of responsibilities Redesign and optimise core developer user journeys across the platform, Audit existing UX and identify friction points for technical users, Create intuitive, scalable solutions for complex API and configuration workflows, Rapid prototyping and iterative validation of design concepts, Reduce design debt and propose pragmatic UX/UI improvements, Apply and extend the design system with new components where needed, Work closely with frontend engineers to ensure high-fidelity implementation, Contribute to design strategy, frameworks, and quality metrics, Use analytics and usage data to validate impact and guide prioritisation. What we offer Freelance project (~1 month engagement) with potential follow-up opportunities, Competitive freelance rate (B2B), High-impact role on a developer-focused SaaS platform, Fully remote collaboration with senior engineering and product stakeholders. Salary rangesB2B: 140-160PLN net + VAT / h - open for discussion (freelance contract)Location100% remote from Poland