Tech Stack
Job Description, Responsibilities & Requirements
About the Position
Lead Product Designer
Senior Specialist
Sofia
Full-time
Onsite, hybrid
Please note: We are currently considering only candidates who are based in Sofia, Bulgaria, or are willing to relocate to Sofia.
OpenTag is a well-funded International company within the field of Sports Betting and iGaming.
We are looking for an experienced and hands-on Lead Product Designer to own product design strategy, execution, and design standards across our platform. This role is ideal for a senior designer who combines strong product thinking, UX craft, research discipline, and practical leadership.
You will work closely with senior management, product, engineering, data, operations, and client-facing teams to create best-in-class experiences for B2B operators and B2C end users. The role includes improving existing flows, shaping new product experiences, evolving the design system, and adopting modern design practices, including AI-assisted workflows where relevant.
Responsibilities
- Lead product design strategy across web, mobile, native apps, and internal operational tools.
- Stay hands-on with UX/UI execution, including discovery, user flows, wireframes, prototypes, detailed design, and design QA.
- Translate complex business, technical, data, and operational requirements into simple, scalable product experiences.
- Drive user research and validation through interviews, usability testing, analytics, surveys, A/B testing, and operator feedback.
- Own and evolve the design system to improve consistency, speed, quality, and cross-platform scalability.
- Partner with product, engineering, data, operations, and clients to balance usability, business value, technical feasibility, and time-to-market.
- Introduce stronger design processes, measurable UX/UI standards, and modern AI-assisted design workflows.
Requirements
- 5+ years of hands-on experience in Product Design, UX/UI, or Interaction Design, preferably with leadership or ownership responsibilities.
- Strong portfolio showing shipped digital products, clear product thinking, UX process, and polished UI execution.
- Experience in iGaming, sports betting, fintech, trading, SaaS platforms, or another complex transactional product environment.
- Deep expertise in user research, information architecture, interaction design, usability testing, prototyping, and validation.
- Strong understanding of product metrics, experimentation, analytics, and data-informed design decisions.
- Experience working closely with product, engineering, data, operations, and client-facing teams.
- Experience maintaining or scaling a design system across multiple products, brands, or platforms.
- Excellent Figma skills, including component-based design, prototyping, design system usage, and developer handoff.
- Experience in Agile or Lean product environments with MVP thinking, iterative delivery, and time-to-market constraints.
- Clear English communication and the ability to explain design decisions to technical and non-technical stakeholders.
- High ownership mindset with the ability to lead initiatives end-to-end and move work forward independently.
Nice to Have
- Experience designing B2B operator tools, back-office platforms, CRM tools, CMS flows, or analytics dashboards.
- Experience with AI-enabled product experiences, personalization, recommendation engines, or LLM-based features.
- Practical use of AI tools to accelerate research synthesis, ideation, prototyping, UX writing, design QA, or product discovery.
- Experience hiring, managing, mentoring, or developing product designers.
We Offer
- An inspiring workspace with awesome teammates and a great vibe.
- The chance to build a scalable online betting platform - from the ground up.
- Cutting-edge tech stack and real impact on a fast-growing product.
- Learning opportunities with a dedicated training budget to level up your skills.
- 25 vacation days + an extra day off to celebrate your birthday 🎉.
- Premium health insurance for your peace of mind.
- Birthday vouchers and little surprises along the way.
- Free snacks, team lunches, and great coffee (because fuel matters ☕).
- Sports card, transportation, and food allowance.
- Quarterly team events that bring everyone together.
About the Company
OpenTag is a well-funded International company within the field of Sports Betting and iGaming. We are committed to creating best-in-class experiences for B2B operators and B2C end users, and we are looking for passionate and talented individuals to join our team.