About Once For All
Once For All is a leading SaaS ecosystem that connects and streamlines compliance procurement ESG and supply chain management in the construction industry. We also provide a marketplace and network as well as tools for tender management and beyond.
Operating across the UK and Europe our mission is to empower businesses with innovative digital solutions that enhance efficiency ensure regulatory compliance and drive sustainable growth.
As we continue to scale we are seeking a Senior Product Designer to shape the future of our platforms. This is a key role at the intersection of design and research where you will help create experiences that make complex workflows simple human and scalable.
Role Overview
We are looking for a Senior Product Designer to join our growing design team. This is a hands-on role where youll work across discovery user flows wireframing prototyping and delivery to improve the Once For All ecosystem. Youll collaborate closely with researchers product managers and engineers to design intuitive scalable solutions for complex workflows across all Once For All products.
This role is ideal for someone who thrives in complex SaaS environments enjoys turning research insights into clear design solutions and is eager to leverage AI tools to make design more efficient and consistent.
Key Responsibilities
As a Senior Product Designer at Once For All you will:
- Take ownership of end-to-end product design for core areas of our SaaS ecosystem from discovery and user flows through to high-fidelity delivery.
- Partner with UX researchers product managers and engineers to translate insights into impactful design solutions.
- Apply systems-thinking to design scalable workflows dashboards and multi-role user journeys across compliance ESG procurement and marketplace features.
- Create wireframes clickable prototypes user flows and high-fidelity designs that bring clarity to complex problems.
- Contribute to and evolve our design system ensuring consistency and scalability across products.
- Enhance user engagement with micro-interactions and animation where appropriate.
- Use AI-powered tools aid speed efficiency and consistency.
- Share knowledge and support the wider design team through collaboration and constructive feedback.
- Champion collaboration over handoff ensuring design and research inform each other throughout the process.
What Were Looking For
- 7 years of product design experience with a strong focus on B2B SaaS platforms.
- Portfolio that demonstrates complex workflows dashboards data-heavy systems or multi-role experiences (not only visual/UI).
- Proven ability to design and iterate wireframes user flows prototypes and interaction patterns.
- Strong proficiency in Figma (including variables tokens prototyping and animation).
- Experience working with design systems accessibility standards and responsive design.
- Collaboration experience with UX research including usability testing and data-informed design.
- Comfortable working in an agile cross-functional regional environment.
- Curiosity and openness to AI tools as part of your workflow.
- Excellent communication skills in English (French or Spanish a bonus).
Nice to Have
- Experience designing for compliance procurement ESG or marketplace systems.
- Familiarity with motion design and micro-interactions to improve usability.
- Understanding of front-end development concepts (HTML CSS React) to collaborate effectively with engineers.
- Experience mentoring or coaching junior designers.
Why Join Us
- Contribute to the design of a pan-European SaaS ecosystem that drives real-world impact in the construction industry.
- Be part of a collaborative environment where design and research work closely together.
- Opportunities to experiment with AI and automation to push the future of design.
- A flexible remote-friendly working model with occasional in-person collaboration.
- Competitive salary benefits and the chance to make a significant impact on the user experience of thousands of professionals.
What we offer:
As well as a career in a fast paced environment within a expanding business we also offer the below benefits as standard:
- Wellness fund or *Private Medical Insurance (dependent upon role)
- Pension
- Life Assurance x 3
- 25 days holiday plus 8 Bank Holidays
- Ongoing continual professional development (CPD)
- Holiday purchase Scheme up to 5 days
- 1 paid and 1 unpaid volunteering day
- 24/7 and 365 Days Employee Assistance Programme
- Team and company offsite events
- Headspace mindfulness and meditation app
- Specsavers eye care voucher
- Free Tea Coffee and fruit every week Basingstoke office