As a Senior Product Designer, you will play a vital role in the product development process by translating user and business needs into intuitive, functional, and beautiful design solutions. 

You will join our Design team, including Aleksandra, Lead Product Designer, and Damyan, UX/UI Designer, and as part of the Product team, you will collaborate with other product managers, product specialists, technical writers, and software engineers.

At Neptune, we have quite an ambitious goal of becoming an MLOps standard for data scientists worldwide. Our platform is a lightweight experiment tracker for ML teams that struggle with debugging and reproducing experiments, sharing results, and messy model handover.

User experience is one of the crucial areas of our product. As a Senior Product Designer, you will have the opportunity to work on challenging projects and contribute to the development of industry-leading solutions. You will be solving usability problems through deep user understanding, experimentation, and refinement.
Additionally, to ensure a holistic and systematic approach, you will engage in design team initiatives, such as regular UX audits, maintaining the quality of the design system, or process improvements. 

Interested? Reach out, providing us with a portfolio showcasing your design and UX skills in the application form.


In this role, you will:

  • Take ownership of the end-to-end design process, crafting solutions that meet both users’ needs and business goals, ensuring a cohesive and intuitive user experience across all touchpoints;
  • Create user flows, wireframes, mockups, and prototypes that effectively communicate design concepts and interactions;
  • Identify and address user experience bottlenecks, proposing strategic UX improvements;
  • Work with the UI design system (we use Figma) - make use of available design components for quick prototyping, as well as improve and document components and interactions;
  • Conduct user research, gathering insights through interviews and feedback sessions with our existing or potential users;
  • Proactively propose improvements to our design process and contribute to design systems, guidelines, and best practices to ensure consistency and scalability;
  • Apply the available qualitative and quantitative data to make design decisions and validate implemented solutions; 
  • Collaborate cross-functionally with other product and engineering team members.


We are looking for:

  • 5+ years of professional experience in UX/UI design of web-based products;
  • 2+ years of professional experience in B2B SaaS product design;
  • Proficiency in creating user flows, wireframes, and high-fidelity prototypes using tools like Figma or similar;
  • Experience in working with design systems;
  • Experience in leading the information architecture strategy for complex projects;
  • Experience conducting user research and usability testing;
  • Experience conducting comprehensive UX audits and evaluations.
  • Ability to analyse qualitative and quantitative data to inform design decisions;
  • User-centric, data-driven mindset and clear orientation to goals through iterative design;
  • Excellent English communication skills.

Nice to have:

  • Startup experience;
  • Experience in designing products for engineers/developers or data-heavy products;
  • Analytical and statistical reasoning skills.


We’re looking for someone who can live our values:

Own it

When you own something, it is on you, no excuses. We trust that if there is a need, you will learn, look at the data, get feedback, ask for help, and collaborate to make it happen. You get the freedom to do it your way.

Make impact

Balance strategy and execution, learning and action to make the most impact. Understand why you are doing things, but don’t overthink it. Take action, but not without the skills that give you a chance. Remember, it is the impact that matters.

Be direct

Be honest, be real, don’t waste time, get to the point, drop filters, say what you mean. You can share your feedback with anyone. We all benefit from understanding each other better.


We do the smallest thing possible and get it out as quickly as possible. Progress over perfection.

We offer:

  • Flexibility: 100% remote work with an office in Warsaw available and flexible working hours;
  • Share in our success: Participate in the Employee Stock Option Plan and be part of our growth journey;
  • Time off: 20 paid service-free days per year;
  • Ownership and impact: Space to take action, bring your ideas to life, and make a real impact;
  • Perks: Co-financing of private medical care and Multisport card, regular team building events, and free lunch when you’re at the office.


Any questions?

Check our ultimate guide for candidates to

Don’t hesitate to contact our Talent Acquisition team, and take a look at our About us page to get to know the story and faces behind Neptune.


By applying, you consent for to process your personal data to assess your suitability for the role you have applied for in accordance with the General Data Protection Regulation (GDPR). Your personal data will remain confidential and shared only with authorized personnel involved in the recruitment process. You have the right to access, rectify, or delete your personal data at anytime. 
With your optional consent, we can retain your data for up to 12 months after the application to consider you for future suitable roles if you're not a match for the current position.

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