About iExec : 

iExec is developing a marketplace Web 3 for computing resources. iExecs’s marketplace connects providers and users, allowing each to monetize the usage of their applications, data and computing resources.

At iExec, the keyword is “decentralization” : iExec’s marketplace uses the Ethereum blockchain to organize exchanges on the marketplace, providing governance, trust and security. With iExec’s marketplace, everyone can make money by monetizing the use of their digital assets

The Company has its own cryptocurrency, RLC, which serves as a means of payment on the marketplace and is accessible from major global exchanges.

At iExec, we organize our activity around four core values:

  • Decentralization: working autonomously and being proactive in a trusted environment.
  • Innovation: implementing new approaches to develop our activity.
  • Cooperation: working collaboratively with all teams to maximize user satisfaction.
  • Excellence: striving to deliver the best possible quality of work on a daily basis.

Joining iExec means : 

  • Being part of an ambitious technological project centered around blockchain and cryptocurrencies, in a rapidly developing sector.
  • An opportunity to explore different fields of advanced technology : Blockchain, Distributed computing, Confidential Computing, Trusted Execution Environment…
  • Joining a team made up of people from all around the world,
  • Work in warm and friendly premises (a house with a pool, billiards, relaxation area and unlimited snack…)

iExec has been ranked as one of the best start-up employers of the year 2022 / 2023 by Capital Magazine, following an independent survey of 4,000 French Start-ups.

The Benefits of iExec:

  • Public transport (TCL) reimbursement (100% Reimbursement) ;
  • Tickets restaurant 9 € (60% refund) ;
  • Offices in Lyon with easy parking facilities ;
  • Company mutual health insurance (50% Reimbursement) ;
  • Company committee offering advantages/discounts in all areas of consumption ;
  • Financing of cultural and sports activities ;
  • Membership of a company crèche network ;
  • Familial communal areas are areas with swimming pool and billiards around a cozy and equipped kitchen, coffee and fresh drinks and snack offered ;
  • Incentive plan and bonuses based on objectives ;
  • Mobility assistance.


As an UX/UI Designer at iExec, you will contribute to the creation and optimization of Web3 products. You will work closely with Product Managers, Developers, and Growth Hackers to build the best possible experience for the various products.

This position is suitable for you if you are looking for an important contributor role and are ready to take the leap into Web3. Previous experience in the field of cryptocurrencies, blockchain, or Web3 is a plus.

This position requires a strong understanding of visual design and a particular attention to detail.

As part of your responsibilities, you will:

UX Designer

  • Conduct a complete user analysis phase (interviews, personas, card sorting, testing) as well as secondary analysis (resource and network analysis);
  • Translate complex technical needs into an elegant and user-friendly product;
  • Work collaboratively by integrating physical production methods (sketching, paper prototyping) and digital methods (Figma), as well as Lean UX & Design Thinking methods;
  • Support and assist developers in the design and development of the user experience;
  • Facilitate teamwork by proposing tools or new methodologies;
  • Iterate from ideas and wireframes;
  • Organize user tests in person or online to build a product that meets its target audience's needs.

UI Designer

  • Collaborate closely with product managers to establish project priorities and scope for design projects;
  • Provide high-fidelity mockups with optimal visual quality and consistency;
  • Work with the design lead to identify and introduce new components into our design system;
  • Work directly with engineers to convey detailed specifications and review implementation;
  • Understand system capabilities to anticipate error states, loading states, and overall implementation effort;
  • Collaborate with the UX designer to improve communication and usability;
  • Have an eye for detail and design each pixel with the big picture in mind;
  • Be proactive and flexible.

What makes you an asset to the team?

  • 3+ years of experience in user interface design;
  • A portfolio demonstrating excellent product design skills;
  • A strong UX mindset to fully understand the user and the product, and a proven knowledge of user research tools and processes;
  • An eye for pixel-perfect designs by following basic UI rules and maintaining brand consistency at the same time;
  • Experience working in cross-functional teams with developers;
  • A keen interest in Web3/Blockchain/Crypto;
  • Proficiency in French and English;
  • Proficiency in Figma;
  • Experience working with design systems;
  • Bonus points if you have knowledge of Jira, SCRUM methodology, HTML, CSS, and JS;
Technical Skills
Is a Remote Job?
Hybrid (Remote with required office time)
Employment Type
Full time

iExec has developed a Web3 marketplace for computing assets. The iExec Marketplace connects providers and users, allowing anyone to monetize the use of their applications, datasets and computing power...

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