Skip to content

Senior QA Engineer

Céret (France), Barcelona (Spain) or Wrocław (Poland)


The Digital Advertising industry is growing fast and becoming everyday more complex. Media publishers face many challenges at a time: growing their audience, improving UX & content quality. They need strong advertising revenue to sustain their team and efforts.

Opti Digital is the tech and strategic partner for digital media publishers. Thanks to our agile & innovative advertising solutions, we efficiently help publishers to optimize their online revenue and take the right decisions for their website monetization.

We develop modern & innovative advertising products to offer solutions for small, medium and large web publishers.

You want to know more about the AdTech industry, an everyday challenging environment? Join Opti Digital, a fast-growing company in France and Europe and let’s thrive alike!


We are looking for an experienced candidate who is dynamic & motivated to learn about the digital advertising industry. If you are solution-oriented and a well organized team player, this job is for you!

Your mission will be to ensure software development quality for Opti Digital applications collaborating with product managers, front-end & back-end developers.  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 market prices predictive engine
  • Real time reporting/analytics system
  • Real time bidding engine for our innovative ad templates
  • Opti Digital’s publishers ad tags


  • Review requirements, specifications and technical design documents to provide timely and meaningful feedback
  • Create detailed, comprehensive and well-structured test plans and test cases
  • Estimate, prioritize, plan and coordinate testing activities
  • Design, develop and execute automation scripts using open source tools
  • Identify, record, document thoroughly and track bugs
  • Perform thorough regression testing when bugs are resolved
  • Develop and apply testing processes for new and existing products to meet client needs
  • Liaise with internal teams (e.g. developers and product managers) to identify system requirements
  • Monitor debugging process results
  • Investigate the causes of non-conforming software and train users to implement solutions
  • Track quality assurance metrics, like defect densities and open defect counts
  • Stay up-to-date with new testing tools and test strategies


  • Proven work experience in quality assurance
  • Strong knowledge of software QA methodologies, tools and processes
  • Hands-on experience with both white box and black box testing
  • Hands-on experience with automated testing tools
  • Experience working in an Agile/Scrum development process
  • Experience in writing clear, concise and comprehensive test plans and test cases
  • Knowledge of SQL


  • Experience in software development (Python, JavaScript)
  • Experience with Google Cloud, Google Ad Manager, Google Data Studio
  • Experience with Sentry, New relic, Logdna, Figma, Webflow, Docker
  • Experience with Vue.js


  • Git / Github
  • Integration tests
  • Agile, Scrumban
  • Notion
  • REST API, microservices
  • Docker
  • Python, Golang, Javascript, Vue.js, Material Design
  • Google Cloud: BigQuery, MySQL, App Engine, Kubernetes
  • Google Ad Manager
  • Google Data Studio


  • 5+ years of experience in development with Python frameworks
  • Computer sciences degree


  • Indefinite contract and full time job
  • Competitive salary
  • Flexible work organization / remote work
  • In-house trainings and hack days 
  • International team (offices in Barcelona, France and Poland)
  • Team buildings and internal events
  • Private health insurance
  • Fitness club membership
  • Employee referral bonus (1000€)

to Apply

Stephane Richet
Talent Acquisition Manager