Senior UX/UI Designer

Dreamix Ltd.
Full-time

📍 Job Overview

Job Title: Senior UX/UI Designer

Company: Dreamix Ltd.

Location: Sofia City Province, Bulgaria

Job Type: FULL_TIME

Category: UX/UI Design & Product Development

Date Posted: 2025-10-28

Experience Level: 5-10 years

Remote Status: Fully Remote (with option for office presence in Sofia)

🚀 Role Summary

  • Spearhead the design and implementation of intuitive, user-centric digital experiences for global partners within the software solutions sector.

  • Drive the development and maintenance of a comprehensive design system and pattern library, ensuring visual consistency and cohesive user interfaces across diverse platforms.

  • Conduct in-depth user research, leveraging qualitative and quantitative data to inform design decisions and advocate for user needs throughout the product lifecycle.

  • Translate complex user requirements and business objectives into clear user flows, wireframes, sitemaps, and interactive prototypes that optimize user journeys.

  • Collaborate closely with product management and engineering teams in an Agile environment to deliver high-quality, impactful, and visually compelling user interfaces.

📝 Enhancement Note: While the role is presented as Senior UX/UI Designer, the emphasis on "software solutions for renowned companies from Germany, the UK, Switzerland, and Silicon Valley" and the mention of "Java and Web technologies" suggest a strong B2B or enterprise software focus. This implies a need for designers who can navigate complex workflows and user needs within professional contexts, not just consumer-facing applications. The "unlimited home office" policy combined with the Sofia location suggests a hybrid approach is possible, where remote work is primary but office collaboration opportunities exist.

📈 Primary Responsibilities

  • User Research & Insights: Conduct comprehensive user research, including interviews, surveys, and usability testing, to deeply understand user motivations, behaviors, and pain points. Translate research findings into actionable design recommendations.

  • Information Architecture & User Flows: Define the structure and organization of digital products by creating sitemaps, user flows, and journey maps to ensure intuitive navigation and a seamless user experience.

  • Wireframing & Prototyping: Develop low-fidelity wireframes and high-fidelity interactive prototypes using tools like Figma, Adobe XD, or Sketch to effectively communicate design concepts, gather feedback, and validate design solutions before development.

  • UI Design & Visual Language: Craft visually appealing, consistent, and brand-aligned user interface designs that enhance usability and delight users across web and potentially other digital platforms.

  • Design System Management: Develop, document, and maintain a robust design system and pattern library, ensuring consistency in UI elements, components, and visual styles across all product offerings.

  • Cross-Functional Collaboration: Partner closely with product managers, developers, and other stakeholders in an Agile development environment to conceptualize, design, and iterate on product features, ensuring design feasibility and alignment with business goals.

  • Design Thinking & Innovation: Apply Design Thinking principles throughout the design process and stay abreast of emerging UX/UI trends, technologies, and best practices to drive innovation and continuous improvement in design solutions.

  • Usability Testing & Iteration: Plan and execute usability testing sessions, analyze results, and iterate on designs to address identified usability issues and enhance overall user satisfaction.

📝 Enhancement Note: The responsibilities highlight a strong emphasis on a data-driven design approach, indicated by "Use data-driven approaches to inform design decisions" and the requirement for usability testing. This means candidates should be prepared to demonstrate how they use metrics and user feedback to validate and refine their designs, aligning with GTM and RevOps principles of measurable impact.

🎓 Skills & Qualifications

Education:

Experience:

Required Skills:

  • UX Research: Proven ability to conduct various user research methodologies (interviews, surveys, usability testing) and synthesize findings into actionable design insights.

  • Information Architecture: Strong understanding of information architecture principles, including sitemap creation, content organization, and navigation design.

  • Wireframing & Prototyping: Expertise in creating detailed wireframes and interactive prototypes using industry-standard tools.

  • UI Design Principles: Deep knowledge of visual design principles, typography, color theory, and layout, with a keen eye for aesthetics and detail.

  • Design System Development: Experience in creating, documenting, and maintaining design systems and pattern libraries.

  • Agile Methodologies: Familiarity with working within Agile/Scrum development frameworks and collaborating effectively with development teams.

  • Communication & Presentation: Excellent verbal and written communication skills, with the ability to articulate complex design decisions clearly and persuasively to diverse audiences.

  • Problem-Solving: Strong analytical and problem-solving skills, with the ability to identify user needs and translate them into effective design solutions.

Preferred Skills:

  • Design Thinking Facilitation: Experience facilitating Design Thinking workshops or similar collaborative ideation sessions.

  • Cross-functional Collaboration: Proven ability to work effectively with product managers, engineers, and other cross-functional teams.

  • Data Analysis for Design: Experience in analyzing user data and metrics to inform design decisions and measure design impact.

  • Web Technologies Understanding: Basic understanding of front-end development principles (HTML, CSS, JavaScript) to better collaborate with developers.

  • User-Centered Design: Deep commitment to and practical application of user-centered design (UCD) principles.

📝 Enhancement Note: The requirement for a "strong portfolio showcasing a range of UX/UI design work, including examples of projects applying Design Thinking principles" is critical. Candidates should prepare to discuss their process, rationale, and the impact of their designs, mirroring the data-driven and problem-solving approach valued in operations roles.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • Comprehensive Case Studies: The portfolio must include detailed case studies that showcase a minimum of 3-5 significant UX/UI projects. Each case study should articulate the problem statement, your role and responsibilities, the design process undertaken (including research, ideation, wireframing, prototyping, and UI design), key design decisions, and the final outcomes.

  • User Research & Data Integration: Include examples demonstrating how user research and data analysis informed your design process and led to specific design solutions. Quantifiable results or user feedback are highly valued.

  • Design System Examples: Showcase your experience with design systems, including examples of components, style guides, or pattern libraries you have contributed to or developed.

  • Prototyping & Interaction Design: Provide interactive prototypes or detailed descriptions of complex user flows and micro-interactions you have designed.

  • Visual Design Execution: Present high-fidelity UI mockups that highlight your aesthetic sensibilities, attention to detail, and ability to create visually engaging interfaces.

Process Documentation:

  • Design Process Explanation: Be prepared to verbally or visually walk through your typical design process, emphasizing how you integrate user feedback, collaborate with teams, and iterate on designs.

  • Tool Proficiency Demonstration: Be ready to discuss your proficiency with specific design and prototyping tools (Figma, Adobe XD, Sketch) and how you leverage their features to achieve design goals.

  • Agile Integration: Explain how your design process integrates seamlessly with Agile development sprints, including how you handle feedback, scope changes, and handoffs to development.

📝 Enhancement Note: For this role, the portfolio is not just a showcase of aesthetics but a demonstration of a structured, user-centric, and data-informed design methodology. Candidates should focus on telling a story of problem-solving and measurable impact, akin to how operations professionals would present their project outcomes.

💵 Compensation & Benefits

Salary Range:

  • Estimated Range: €40,000 - €65,000 per year (Gross)

  • Methodology: This estimate is based on research for Senior UX/UI Designer roles in Sofia, Bulgaria, considering the specified experience level (5+ years), the company's international client base, and the remote work arrangement. It factors in the cost of living in Sofia and standard compensation benchmarks for skilled tech professionals in the region. Specific salary will depend on the candidate's experience, qualifications, and interview performance.

Benefits:

  • Flexible Working Hours: Ability to set your own schedule to better accommodate work-life balance.

  • Unlimited Home Office: Fully remote work with financial flexibility for home office setup.

  • Professional Development: Access to certifications, training programs, and opportunities for continuous learning.

  • Academic & Speaking Opportunities: Additional benefits for those involved in academic teaching or speaking engagements.

  • Knowledge Sharing: Regular sessions for learning from and contributing to the expertise within the Dreamix team.

  • Team & Social Events: Opportunities to connect with colleagues through company-wide and team events, including summer and winter office initiatives.

  • Comprehensive Health & Wellness: Additional health insurance, dental allowance, Multisport card, and office massages for well-being.

Working Hours:

  • Standard full-time employment, likely around 40 hours per week. The company emphasizes flexible working hours, allowing significant autonomy in scheduling daily work, provided project deadlines and collaborative needs are met.

📝 Enhancement Note: The salary range is an estimation for the Bulgarian market. Given the company's international client base (Germany, UK, Switzerland, Silicon Valley), candidates from other regions might have different salary expectations, but the role is based in Bulgaria. The benefits package is extensive and emphasizes work-life balance and employee well-being, which is a strong draw for experienced professionals.

🎯 Team & Company Context

🏢 Company Culture

Industry: Software Development & IT Services. Dreamix specializes in delivering high-quality software solutions and products using Java and Web technologies for renowned international enterprises.

Company Size: ~200-500 employees (based on typical company profiles on platforms like LinkedIn for companies with 19 years of experience and international reach).

Founded: 19 years ago (approx. 2006), indicating a mature company with established processes and a strong track record.

Team Structure:

  • Cross-functional Collaboration: The design team operates within a highly collaborative structure, working closely with product managers, developers, and other specialists.

  • Agile Environment: Expect integration into Agile development teams, requiring iterative design processes and close communication with engineers.

  • Transparency & Partnership: Dreamix emphasizes a culture of transparency and partnership, where every team member's voice is heard, and there's a commitment to mutual investment in growth and potential.

Methodology:

  • User-Centric Design: A core methodology focused on understanding and addressing user needs through research and iterative design.

  • Data-Informed Decisions: Design choices are expected to be supported by user research data, usability testing results, and performance metrics.

  • Agile Development Practices: Close integration with development sprints, including continuous feedback loops and iterative improvements.

  • Knowledge Sharing: A culture that encourages learning from peers and sharing expertise through dedicated sessions.

Company Website: https://dreamix.eu/

📝 Enhancement Note: The company's long history and international client base suggest a professional and quality-oriented work environment. The emphasis on transparency and partnership implies a culture that values open communication and employee contribution, which is crucial for operations effectiveness and GTM alignment.

📈 Career & Growth Analysis

Operations Career Level: Senior Individual Contributor. This role sits at a senior level within the design function, expected to lead design efforts on projects, mentor junior designers, and significantly influence product direction through user-centric design expertise.

Reporting Structure: Likely reports to a Head of Design, Lead Designer, or a Product Management lead, depending on the specific team structure within Dreamix. Collaboration will be key with Project Managers and Development Leads.

Operations Impact: The UX/UI Designer's work directly impacts user adoption, satisfaction, efficiency, and ultimately, the success of the software solutions delivered to Dreamix's clients. Effective design can reduce support costs, increase customer retention, and drive revenue growth by improving the usability and value proposition of the software.

Growth Opportunities:

  • Leadership in Design: Potential to lead design initiatives, mentor junior designers, and become a subject matter expert in specific areas of UX/UI.

  • Skill Specialization: Opportunity to deepen expertise in areas like user research, interaction design, design systems, or accessibility.

  • Cross-Functional Influence: Grow influence beyond design by contributing to product strategy and business objectives through strong user advocacy.

  • Professional Development: Access to training, certifications, and conferences to stay at the forefront of UX/UI design.

  • Contribution to Knowledge Sharing: Opportunities to share expertise internally and potentially externally through academic teaching or speaking engagements.

📝 Enhancement Note: The "Senior" title implies expected leadership and mentorship capabilities. A candidate's ability to articulate how they've guided others or influenced strategic decisions will be important. This level of influence is also a key characteristic of senior operations roles.

🌐 Work Environment

Office Type: Primarily Remote. The company offers "unlimited home office," indicating a strong commitment to remote work flexibility. However, the presence of an office in Sofia City Province suggests that optional office days or collaborative hubs may be available for those who prefer them or for specific team events.

Office Location(s): Sofia City Province, Bulgaria.

Workspace Context:

  • Remote Flexibility: Focus on an autonomous work environment where individuals manage their time and workspace to optimize productivity.

  • Collaborative Tools: Reliance on digital collaboration tools (e.g., Slack, Teams, Miro, Figma) for communication and design iteration.

  • Team Interaction: Despite remote work, the company fosters connection through virtual knowledge-sharing sessions, team events, and potentially optional office meetups in Sofia.

  • Technology-Rich: Access to modern design and collaboration software is essential for this role.

Work Schedule:

  • Full-time, with an emphasis on flexible working hours. This allows designers to structure their day around personal needs while ensuring project deliverables and team availability are met. This flexibility is crucial for roles that often require deep focus and creative flow states.

📝 Enhancement Note: The "unlimited home office" combined with a physical location in Sofia suggests a modern hybrid model where remote is the default, but physical presence is an option. This can be attractive to operations professionals who value flexibility but also occasional in-person collaboration.

📄 Application & Portfolio Review Process

Interview Process:

  • Initial Screening: A review of CV and portfolio to assess qualifications and experience.

  • Portfolio Presentation & Technical Interview: Candidates will likely present a selection of their work, discussing their process, design decisions, and impact. This will be followed by questions assessing their UX/UI knowledge, problem-solving skills, and understanding of user-centered design principles.

  • Cross-functional Collaboration Interview: An interview focusing on how the candidate collaborates with product managers and developers, their experience in Agile environments, and their communication and presentation skills.

  • Cultural Fit & Behavioral Interview: Discussion to assess alignment with Dreamix's values of transparency, partnership, and continuous development.

  • Final Interview: Potentially with a senior leader to discuss the role's strategic impact and career growth.

Portfolio Review Tips:

  • Curate Strategically: Select projects that best showcase your skills relevant to enterprise software design, user research, and design system implementation.

  • Tell a Story: For each case study, clearly articulate the problem, your role, your process, the challenges faced, your solutions, and the measurable outcomes (e.g., improved conversion rates, reduced support tickets, increased user satisfaction).

  • Highlight Data & Research: Emphasize how user research and data informed your design decisions. Quantify impact where possible.

  • Showcase Design System Work: If applicable, detail your experience building or contributing to design systems, showcasing consistency and scalability.

  • Be Prepared to Discuss: Be ready to dive deep into any aspect of your portfolio, explaining your rationale and design choices.

Challenge Preparation:

  • Design Exercise: You may be given a small design challenge or a case study to work on, either as a take-home assignment or during an interview. Focus on demonstrating your process, problem-solving approach, and ability to articulate your thinking.

  • Stakeholder Scenarios: Prepare to discuss how you would handle conflicting feedback from stakeholders or balance user needs with business constraints.

  • Agile Workflow: Be ready to explain how you would integrate into an Agile team and manage design tasks within sprint cycles.

📝 Enhancement Note: The emphasis on a "strong portfolio" and the detailed interview process suggest that candidates need to be well-prepared to articulate their design methodology and demonstrate tangible results, mirroring the expectations for operations professionals who must prove their value through metrics and process improvements.

🛠 Tools & Technology Stack

Primary Design & Prototyping Tools:

  • Figma: Highly preferred for collaborative design, prototyping, and design system management.

  • Adobe XD: Widely used for UI design and prototyping.

  • Sketch: Another industry-standard tool for UI design.

  • InVision/Marvel: For prototyping and collaboration on designs.

User Research & Analytics Tools:

  • UserTesting.com / Lookback: For remote usability testing and user feedback.

  • Hotjar / FullStory: For session recording and heatmaps to understand user behavior.

  • Google Analytics / Adobe Analytics: To understand user behavior on live products and inform design decisions.

  • SurveyMonkey / Typeform: For creating and distributing user surveys.

Collaboration & Project Management Tools:

  • Jira / Confluence: Common in Agile environments for task management and documentation.

  • Miro / Mural: For virtual whiteboarding, brainstorming, and user flow mapping.

  • Slack / Microsoft Teams: For team communication.

Core Technologies (for context):

  • Java & Web Technologies: Understanding of these underlying technologies can aid collaboration with developers.

📝 Enhancement Note: Proficiency in Figma is often a key requirement for modern UX/UI roles. Candidates should highlight their experience with these tools, especially those that facilitate collaboration and design system management, which are critical for efficient GTM and ongoing product development cycles.

👥 Team Culture & Values

Operations Values:

  • User-Centricity: A deep commitment to understanding and advocating for the end-user in all design decisions.

  • Collaboration & Partnership: Valuing teamwork, open communication, and mutual support across all functions.

  • Transparency: Openness in management, decision-making, and feedback processes.

  • Continuous Improvement: A drive for personal and professional growth, embracing learning and seeking ways to enhance processes and outcomes.

  • Quality & Excellence: A dedication to delivering high-quality software solutions that meet international standards.

Collaboration Style:

  • Cross-functional Integration: Designers are expected to be integral members of product teams, working closely with PMs and developers throughout the product lifecycle.

  • Agile Iteration: A collaborative approach to design and development, characterized by rapid iteration, feedback loops, and adaptability to change.

  • Knowledge Sharing: An environment that encourages proactive sharing of insights, best practices, and lessons learned among team members.

  • Constructive Feedback: A culture where feedback is given and received openly and constructively to drive design improvements.

📝 Enhancement Note: The company's values of partnership and transparency align well with the operational efficiency and collaborative spirit required in GTM and RevOps. A candidate's ability to demonstrate these traits will be highly valued.

⚡ Challenges & Growth Opportunities

Challenges:

  • Balancing User Needs with Business Goals: Effectively navigating the complexities of stakeholder requirements, technical constraints, and user experience to find optimal solutions.

  • Designing for Diverse Audiences: Creating intuitive interfaces that cater to a wide range of users with varying technical proficiencies and needs, especially within enterprise software.

  • Maintaining Design Consistency: Ensuring a cohesive and unified user experience across multiple products and platforms, especially as the product suite grows.

  • Adapting to Evolving Technologies: Staying current with rapid advancements in design tools, methodologies, and user expectations in the digital landscape.

Learning & Development Opportunities:

  • Advanced UX/UI Specialization: Deepening expertise in areas such as accessibility, UX writing, service design, or advanced research methodologies.

  • Leadership & Mentorship: Opportunities to lead design projects, mentor junior team members, and contribute to the growth of the design function.

  • Industry Conferences & Certifications: Support for attending relevant industry events and obtaining professional certifications to enhance skills and knowledge.

  • Cross-Disciplinary Learning: Exposure to different aspects of software development and business strategy through close collaboration with product and engineering teams.

📝 Enhancement Note: The challenges presented are common in senior design roles and require strong problem-solving and strategic thinking, skills that are also paramount in operations roles focused on optimizing processes and driving efficiency.

💡 Interview Preparation

Strategy Questions:

  • Design Process & Methodology: "Walk me through your typical design process for a complex feature. How do you incorporate user research and data at each stage?" (Prepare to discuss your structured approach and how you use data to validate decisions.)

  • Collaboration & Stakeholder Management: "Describe a time you had to manage conflicting feedback from stakeholders. How did you reach a resolution while prioritizing user needs?" (Focus on communication, negotiation, and user advocacy.)

  • Problem-Solving & Impact: "Tell me about a challenging design problem you solved. What was the situation, your approach, and the measurable impact of your solution?" (Use the STAR method and quantify results if possible.)

Company & Culture Questions:

  • Company Understanding: "What interests you about Dreamix and our work with international clients?" (Research their projects and client portfolio on their website.)

  • Team Dynamics: "How do you approach collaborating with developers and product managers in an Agile environment?" (Highlight your understanding of Agile workflows and cross-functional communication.)

  • Values Alignment: "How do your personal values align with Dreamix's emphasis on transparency and partnership?" (Reflect on experiences where you've demonstrated these traits.)

Portfolio Presentation Strategy:

  • Select Strongest Case Studies: Choose 2-3 projects that best demonstrate your senior-level capabilities, problem-solving skills, and impact.

  • Focus on the 'Why' and 'How': Explain the rationale behind your design decisions and the specific methods you used.

  • Quantify Impact: Whenever possible, present metrics that demonstrate the success of your designs (e.g., increased user engagement, reduced error rates, improved task completion times).

  • Structure Your Narrative: Use a clear story arc: problem, your role, process, solution, and outcomes.

  • Be Ready for Deep Dives: Anticipate detailed questions about your process, tools, and specific design choices.

📝 Enhancement Note: Preparing for this interview requires not just showcasing design work but articulating a strategic, data-informed, and collaborative approach, very similar to how operations professionals must present their contributions and value.

📌 Application Steps

To apply for this Senior UX/UI Designer position:

  • Submit your CV and Portfolio through the provided application link on Workable.

  • Portfolio Customization: Ensure your portfolio prominently features case studies that highlight your experience with user research, data-driven design decisions, design systems, and complex enterprise-level interfaces. Tailor your portfolio to showcase projects that align with Dreamix's client profile.

  • Resume Optimization: Update your resume to emphasize your 5+ years of experience, specific UX/UI skills, proficiency in relevant tools (Figma, Adobe XD, Sketch), and any experience in Agile environments or with international clients. Use keywords from the job description.

  • Interview Preparation: Practice presenting your portfolio case studies, focusing on the problem, your process, your design rationale, and the measurable impact of your work. Prepare to discuss your experience in cross-functional collaboration and user-centric design.

  • Company Research: Thoroughly review the Dreamix Ltd. website (dreamix.eu) to understand their mission, values, technologies, and client base. Prepare thoughtful questions about the role, team, and company culture.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.


Application Requirements

Candidates should have at least 5 years of experience in UX/UI design with a strong portfolio showcasing their work. A Bachelor's or Master's degree in a related field is preferred, along with proficiency in design tools and user-centered design principles.