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Frontend Web Developer

Job based in Le Boulou (France)


Opti Digital is the tech and strategy partner of digital media publishers.Thanks to our agile advertising solutions and business intelligence tools, we efficiently
help optimize online revenue and improve website functionality.
The Digital Advertising industry is growing fast and becoming more complex
every day. Media publishers face many challenges: growing their audience, improving
UX, generating loyalty, succeeding in the post-cookie era by gathering first-party data,
converting readers into paid subscribers. In addition, publishers often miss technical
resources to tackle those challenges internally.

At Opti Digital, we help publishers understand the AdTech market. We provide
three powerful products that offer several technologies to excel at monetization.

Opti Digital is a global company. One of its goals for the near future is to
increase its reach in the U.S. and the U.K.
This role will report directly to the Chief Strategy Officer and Founder of the
company. This position is hybrid and based in Le Boulou, South of France.
You want to develop your career within the AdTech industry, an everyday learning
environment? Join Opti Digital, a fast-growing company in Europe and America and let’s
thrive alike!


We are looking for a candidate who is experienced, dynamic & motivated to learn about
the digital advertising industry. You are solution-oriented and a well organized team

Your mission will be to develop Opti Digital technologies & applications collaborating
product managers, developers and QA. We have many challenging projects to sustain
our company growth and develop new business units.

Some projects you might be involved in:

  • Opti Digital’s publishers configuration & analytics management tools
  • Opti Digital’s ad tags features development and maintenance
  • Real time reporting/analytics system
  • Real time bidding engine for our innovative ad template


  • Understand our business needs & objectives
  • Analyze product functional specifications, document and propose robust
    technical solutions
  • Collaborate with the product managers, the technical director and other
    developers to ensure an efficient and productive synergy
  • Carry out projects’ front-end developments
  • Document implemented technical solutions
  • Monitor product performance and results, suggest improvements


  • Advanced skills with JavaScript and familiarity with the latest ECMAScript
  • Proficiency in web markup languages, including HTML5 and CSS3
  • Experience in javascript
  • Experience in Vue.js
  • Experience in React
  • Strong object-oriented programming principles and a commitment to writing clean, maintainable code
  • Experience consuming RESTful APIs
  • You are familiar with: Git, JIRA, REST API, Microservices, Docker, MySQL
  • Proactivity and attention to details
  • Positive attitude and good communication
  • Fluent in written and spoken English for team work 
  • Javascript optimization
  • Web performance
  • SEO knowledge


  • Git / Github
  • Integration tests
  • Agile, Scrumban
  • Notion
  • Requestly debugger.
  • JavaScript frameworks/libraries
  • React, Vue.js, along with Material Design principles
  • 5+ years of experience in development Frontend : Javascript / HTML+CSS
  • Computer sciences degree


  • Initial internal training and coaching
  • Contract for an unlimited period of time
  • Remuneration based on experience
  • Full-time job
  • Flexible work organization. Hybrid or Full remote
  • Friendly work atmosphere within an international team
  • Private health insurance
  • Fitness club membership
  • Team buildings and events in the offices.
  • Position based in Barcelona, Spain or in Le Boulou, France
  • Employee referral bonus (1000€)

TO Apply

Emmanuel Bial 
Technical Director