Blockchain Software Engineer

i2cat Foundation is looking for a Blockchain Developer to join our Software Engineering Group . Blockchain application related development in public/private different projects regarding telco ve

i2cat Foundation is looking for a Blockchain Developer to join our Software Engineering Group.

Blockchain application related development in public/private different projects regarding telco verticals, health and data privacy applications and proof of concepts.

As part of their regular work, the developer is expected to do the following tasks:

  • Ethereum integrations (mainly web3)
  • React Native app development
  • React frontend development
  • Node.js backend development
  • ZK-Snark integrations (using snarkjs)

The candidate will work in an already existing team. All the stages of software development lifecycle will be covered: requirement/functional analysis, architecture, planning, development, testing, validation and documentation.


Who we are:

The i2CAT Foundation is a CERCA centre with the vision of leading the challenge of designing and building the digital society of the future based on research and innovation in advanced digital technologies. Highlighting the generation of talent and in order to generate economic and social impact, i2CAT wants to turn Catalonia into a creative, empowered and innovative society, where knowledge and digital technology are at the service of people, promoting:

  • The generation of excellence knowledge aimed at solving the challenges of companies, citizens and public administration (mission-driven research).
  • The collaboration and establishment of synergies with other agents of the local ecosystem of research and digital innovation to co-develop solutions and products that generate a transformative impact.
  • The digital empowerment of citizens through digital, open, participatory social innovation with territorial capillarity.
  • The leadership of pioneering initiatives and tractors that increase the international projection and visibility of Catalonia as a digital and innovative country.

i2CAT is a constantly growing organization that has extensive experience in the leadership and development of research and innovation projects at national and international level in the technological fields of 5G, Internet of Things (IoT), virtual and immersive technologies, Cybersecurity, Artificial Intelligence, Blockchain, Space Communications and digital society technologies.

Want to know more? Visit our webpage! (http://www.i2cat.net/)

What do we offer:

  • You will be part of a multicultural team. We have a fun loving and friendly international work environment.
  • Be in contact and work with cutting-edge technology
  • Work in challenging R&D projects
  • Fix + variable salary
  • Option of flexible retribution (restaurant card, transport card, medical insurance, kindergarten)
  • Flexible working schedule – We know you have a life outside of work and we will work with you to make sure it’s kept that way
  • Fridays afternoon off
  • Intensive work schedule in July & August
  • Home-office option
  • Open space office in Barcelona
  • Free fruit every week
  • Discounted Gym-access
  • 25 vacation days per year
  • Casual dress code
  • Let us know which trainings you need
  • You will have the opportunity to attend tech conferences and events.

The i2CAT Foundation seeks to increase the number of women in those areas where they are underrepresented and, therefore explicitly, encourages women to apply.

The i2CAT Foundation seeks to increase the number of persons with disabilities among its workforce, and therefore explicitly encourages this collective to apply.

Minimum requeriments:

Experience of 1 minimum year in the following concepts

  • JavaScript programming language
  • Cryptography at engineering level
  • Ethereum development
  • Solidity smart contracts programming language
  • React library and React Native framework
  • Node.js runtime


Desired requeriments:

Knowledge of the following concepts

  • Rust programming language
  • Polkadot
  • Python programming language
  • Flutter toolkit (with Dart programming language)