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Lead Developer JS Web3

Bolero Music

This job is closed

About Bolero Music

  • Our first step on this journey is to make Blockchain seamless and accessible for everybody who loves Music.
  • Our goal is to build the most beautiful platform with an amazing user experience. To this end, we need an exceptional Lead Developer to pave the way.
  • We have pioneered the emergence of artist tokenization and we are leading the Music Industry into this new space.
  • We launched our web-app V1 in April 2021. We’ve closed our Seed round in early July 2021.
  • We are backed and advised by a tier 1 French-American - VC fund and some of the top crypto entrepreneurs.
  • We're set to release our new version (on-chain & non-custodial) with established artists.
  • Learn more about Bolero Music


We’re seeking a full-time Lead Developer specialised in JS and who has made his way in web3.

You will be joining a passionate team that values cutting edge features, automated testing and collaboration.

In this role, you will discover, own, and execute Bolero Music's next blockchain opportunities for a 10x growth.

You will be working alongside the founders to take on this world-changing opportunity. We will work closely together to make sure this will be the best role of your career.

Your Mission

  • Update and maintain our smart contracts on Ethereum & L2 chains.
  • Drive high-level decisions about Bolero Music architecture, incentive structures, and features.
  • Prepare and lead our migration phase from Ruby on Rails - API to Node.js / Express API.
  • Lead features development from conception to deployment with the ability to improve our version shipments processes.
  • Lead application code optimisations to maximise our architecture versatility regarding future releases.
  • Commit time to research and development to contribute directly to our roadmap and push Bolero Music at the forefront of technology.

What we are excited about

  • You have a solid experience in software engineering and web application development.
  • Strong knowledge and practical skills in Javascript / NodeJS / Express.
  • Efficiency with Rest API, React, Redux, PostgreSQL, - Heroku, AWS, Github and others.
  • You have a first demonstrable experience in web3 and smart contracts development.
  • Familiar with WEB3.JS, ETHERS.JS, paired with React/Redux.
  • Previous experience in a consumer-app start-up or in BtoC is a plus.
  • Excellent communicator - You know how to work in teams, give and receive feedback, identify bottlenecks.
  • Fluent in English - Fluency is a must, native is a big plus.
  • Bonus - Music is an important part of your life.


Compensation and equity grants are competitive and commensurate with experience. This is a full-time role that includes medical insurance, paid time off, transport allowance and work from home dispositions.


Based in Paris, France. Remote-work can be discussed.


  1. Call with one of the founders
  2. Quick technical test & Matching test
  3. Meeting with the development team

Our stack

  • Back-end - Ruby On Rails (To be migrated to Node)
  • Blockchain - Polygon / Solidity / Ethers
  • Front-end - ReactJS / Redux
  • Database - PostgreSQL
  • Monitoring - HoneyBadger
  • Storage - AWS
  • Cloud Hosting Provider - Heroku

How to apply

Does this role sound like a good fit?

Tell us why you want to join Bolero Music and why you generally care about the problem we're solving. Make your first impression count.

Share with us what excites you, your portfolio and how you envision your role at Bolero Music.

Tip: keep it under 600 characters.

Bolero Music welcomes all qualified persons to apply regardless of race, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, or age.