Reaktor Innovations Oy logo

Senior Service Designer

Job Overview

Location

Tokyo

Job Type

Full-time

Category

Design

Date Posted

June 29, 2026

Full Job Description

đź“‹ Description

  • • Lead service design initiatives for digital products and services that set new standards for clients, while simultaneously elevating their internal digital capabilities in thinking, processes, and decision-making.
  • • Identify core problems in complex business environments where user needs are obscured by operational constraints, technical limitations, or misaligned stakeholder priorities, and define the right questions to solve first.
  • • Design and execute end-to-end qualitative and quantitative design research—from planning and fieldwork to analysis and reporting—to uncover actionable insights that guide business strategy.
  • • Translate research findings into clear service concepts, user journeys, service blueprints, and MVP definitions that align teams and drive decision-making.
  • • Facilitate workshops with diverse stakeholders including clients, users, business teams, designers, and engineers to build shared understanding, foster ownership, and align on direction.
  • • Collaborate cross-functionally with product, engineering, and business teams to integrate design strategy into execution, balancing user needs with technical and organizational constraints.
  • • Support clients across all levels—from executive leadership to frontline operations—by challenging assumptions, clarifying trade-offs, and steering discussions toward feasible, high-value outcomes.
  • • Continuously evaluate launched services using user feedback, behavioral data, and business signals to determine real impact and identify next steps for iteration and improvement.
  • • Visualize complex ideas and processes using tools like Figma, Miro, and Google Slides to enable team alignment and effective communication.
  • • Work in hybrid environments including Reaktor’s Tokyo office, client sites, and remote settings, adapting collaboration methods to team and project needs.
  • • Communicate effectively with global Reaktor teams across international offices, contributing to and learning from a multicultural, multilingual organization.
  • • Participate in a flat, transparent organizational culture where decision-making is open, autonomy is high, and action and learning are prioritized over perfect planning.
  • • Contribute to shaping not just deliverables, but also better ways of working, collaborating, and nurturing products within client organizations.
  • • Engage in a dynamic, international workplace with team members from nine countries, fostering cross-cultural exchange and global perspective.
  • • Maintain sustainable work-life balance through a 40-hour workweek and support for personal well-being, including mental health resources.
  • • Continuously learn and grow through internal communities, training programs, events, and professional development support.

🎯 Requirements

  • • Proven experience leading service design and UX research in complex environments involving large enterprises, new ventures, or digital transformation with multiple stakeholders
  • • End-to-end ownership of qualitative and quantitative research, including design, execution, analysis, and reporting
  • • Demonstrated ability to translate research insights into service concepts, blueprints, and MVP definitions that inform strategic decisions
  • • Strong facilitation skills to design and lead workshops that engage diverse stakeholders and drive consensus
  • • Experience collaborating closely with business and development teams to align priorities, constraints, and delivery decisions
  • • Ability to work effectively in on-site, remote, or hybrid team environments with cross-functional members
  • • Native or fluent Japanese communication skills
  • • Business-level or sufficient professional English proficiency to discuss experiences, design processes, project decisions, and methodologies in English
  • • Proficiency in using Figma, Miro, Google Slides, or similar tools to visualize and advance team alignment

🏖️ Benefits

  • • 40-hour workweek with emphasis on sustainable work-life balance
  • • Support for parental leave and family-related needs
  • • Personal development and upskilling support
  • • Mobile phone and communication cost coverage
  • • Annual paid leave and paid sick leave
  • • Team dinners, company events, retreats, and community activities
  • • Mental health support services

Skills & Technologies

Design
Senior
Hybrid

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About Reaktor Innovations Oy

Reaktor is a technology consulting company that helps businesses transform through digital innovation. They specialize in creating custom software solutions, digital strategies, and user experiences. Their services span across various industries, including retail, finance, and public sector, enabling clients to leverage cutting-edge technologies like AI, cloud computing, and data analytics. Reaktor focuses on building long-term partnerships, delivering tangible business value, and fostering a culture of continuous learning and experimentation. They are known for their agile methodologies and a strong emphasis on talent development, aiming to be a catalyst for their clients' digital evolution and competitive advantage in the modern marketplace.

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