Turbalance

UI/UX Designer

Heidelberg, Germany full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
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About the role

Your profileWe are looking for Senior UI/UX Designer to shape the user experience of our AI infrastructure platform. Clients use our platform to access and operate two technical products, and the role is to make those products understandable, useful, and engaging without hiding the technical depth that makes them powerful.
Our platfora standard SaaS design role. The hardest part is understanding infrastructure-heavy products at a technical level — ideally including GPU infrastructure, scheduling, simulation, capacity, and operational workflows — and translating that complexity into a clear, modern, non-boring UI/UX for clients.
ResponsibilitiesOwn end-to-end UX and UI design for the AI infrastructure platform, covering both Scheduler and Simulator.

Design the Plattform which includes our two products Scheduler and Simulator

Create a shared design system and product language that makes both products feel coherent while clearly separating the live operational mental model from the exploratory simulation mental model.

Translate complex concepts such as GPU topology, heterogeneous accelerators, scheduling decisions, resource allocation, utilization tradeoffs, latency, power, and cost into clear workflows and visualizations.

Design data-dense interfaces that are scannable, trustworthy, and useful for technical users without becoming a spreadsheet, generic admin UI, or Grafana-style wall of charts.

Partner closely with product, engineering, infrastructure experts, and leadership to understand technical constraints and turn them into customer-facing design solutions.

Conduct discovery with internal experts and customers to understand infra/platform engineer, data center architect, and procurement/finance stakeholder needs.

Create wireframes, prototypes, high-fidelity designs, design specs, and interaction documentation that engineering can implement confidently.

Challenge plain or overly technical infrastructure UX patterns and propose modern, differentiated solutions that build trust in high-stakes operational and capital-expenditure decisions.

What we're looking for5+ years of product design, UI/UX design, or interaction design experience, with clear senior-level ownership of complex product work.

Portfolio evidence of shipped, data-dense, technically complex products where you improved clarity, decision-making, and usability.

Strong information architecture, interaction design, systems thinking, and user journey design skills.

Excellent visual/UI craft: typography, spacing, hierarchy, color, interaction detail, and the ability to make infrastructure software feel confident, modern, and not boring.

Experience designing for complex B2B products such as developer tools, cloud platforms, observability/monitoring, data platforms, DevOps, AI/ML tooling, simulation tools, fintech/trading dashboards, or other technical enterprise products.

Ability to understand technical systems deeply enough to design for real expert workflows without oversimplifying the product or losing important signal.

Experience with dashboards, monitoring views, configuration flows, comparison views, capacity planning, metrics, alerts, logs, tables, or other dense quantitative interfaces.

Strong Figma skills, prototyping ability, and experience creating design specs for engineering teams.

Comfort working directly with engineers, product managers, and technical stakeholders in ambiguous, fast-moving environments.

Senior-level independence: able to drive discovery, structure messy problems, challenge assumptions, prioritize UX risks, and deliver without detailed supervision.

Nice to haveExperience with AI infrastructure, GPU platforms, heterogeneous compute, cloud infrastructure, Kubernetes, schedulers, simulators, MLOps, data platforms, or distributed systems.

Understanding of GPU-level infrastructure concepts such as topology, accelerators, workloads, tenants, quotas, capacity, utilization, latency, throughput, memory, or power constraints.

Experience designing planning, simulation, scenario-modeling, CAD-like, graph, or comparison tools.

Experience with observability, monitoring, incident response, or other real-time operational interfaces.

Experience with custom data visualization, complex tables, network/topology views, D3, Canvas, WebGL, or frontend implementation constraints.

Experience designing multi-product platform experiences where several products share a design system but require distinct mental models.

Experience conducting research or usability testing with technical users, infrastructure teams, or executive stakeholders making ROI decisions.

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Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT Excel Figma Finance UI design UX research Mid level

Likely questions

  1. Tell us about work you have done that is close to the UI/UX Designer role.
  2. How would you approach your first 30 days at Turbalance?
  3. Which of Excel, Figma and Finance have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Excel, Figma and Finance.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the UI/UX Designer role because I can bring practical experience in Excel, Figma and Finance, learn the team quickly, and contribute to the outcomes Turbalance needs from this hire.

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