Senior Product Designer

Justt helps many of the world’s largest and most recognizable brands turn chargebacks from a constant headache into a managed, predictable part of doing business. Our AI-driven platform powers chargeback operations at scale, automating disputes end to end, recovering revenue that would otherwise be lost, and removing a major operational burden from finance, risk, and operations teams across multiple regions and verticals.

We’re a global company with teams across markets, and disciplines, working closely with leading players in the payments ecosystem. Our culture is built on clear thinking, collaboration, and a strong sense of ownership. At Justt, you’ll partner with product, engineering, data, and go-to-market teams to build technology that sits at the core of modern payments, and has a direct, measurable impact on the bottom line for some of the biggest companies in the world

We are looking for a senior Product Designer to join our design team and take a key role in shaping complex, multi-area product experiences.

This role is ideal for a designer who is comfortable working across multiple product areas in parallel, thrives in complexity, and knows how to lead design solutions with confidence while collaborating closely with product and engineering partners.

You will own the design of meaningful product initiatives end to end, elevate design quality and product thinking, and help reduce delivery bottlenecks by driving clarity, structure, and strong execution.

Responsibilities

Own end-to-end design processes across multiple product areas, from solution definition through UX flows, UI design, delivery, and iteration
Lead design solutions for complex systems and workflows, translating product requirements into clear, intuitive experiences
Challenge product decisions thoughtfully and constructively, while maintaining strong collaboration and alignment with Product Managers
Apply user-centered thinking and choose the right research and usability methods based on context, scope, and impact
Lead usability testing and validate design assumptions when needed
Produce high-quality UX and UI with strong attention to detail, consistency, and usability
Apply, maintain, and evolve the Design System, and contribute to improving design workflows and tooling, including the use of advanced and AI-assisted tools when relevant
Collaborate closely with Product, Engineering, and other stakeholders to ensure high-quality, feasible, and well-implemented designs
Help elevate design standards, product thinking, and delivery quality across the organization

What will make you successful in this role

You are calm, focused, and confident in your professional judgment
You balance assertiveness with collaboration and know how to challenge without creating friction
You bring structure and clarity to complex environments
You raise the bar for design quality while helping reduce bottlenecks and operational load
You care deeply about both user experience and business impact

Requirements:

5+ years of experience in product design, preferably in B2B SaaS or complex systems
Strong UX skills with the ability to simplify complex problems and workflows
High-quality UI execution with a strong sense of hierarchy, consistency, and detail
Proven experience working with Design Systems and contributing to their evolution
Solid product thinking and the ability to challenge and influence product decisions
Experience with user research and usability testing, with the ability to choose appropriate methods pragmatically
Ability to work independently, manage multiple workstreams, and move forward in situations of partial clarity
Strong communication and collaboration skills, with the ability to work effectively with Product Managers and engineers
Comfortable working fast while maintaining high design quality and structured delivery