Senior PHP Developer

Excellence in Ad-serving

Job details

  • Full-time
  • map markerPorto, PT
  • globeRelocation paid
  • cardRequires Work Permit
    Requires that you're a citizen or have a valid work permit / visa sponsorship to work in the country in which this position is based.
  • routeSenior
  • routeRequired language: English
  • routeNice to have language: Portuguese
  • Back-end Developer
  • tagMust Have: JavaScript, MySQL, PHPOther Required: Agile Methodologies, AngularJS, CSS, HTML, SQL, jQueryNice to Have: NoSQL

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EXADS is a young international software startup specialising in adtech. In business since 2013, EXADS is a self-sufficient, well funded and privately owned company with offices in Dublin and Porto. We are part of EXOGROUP, a set of companies made up of +150 talents and offering a wide range of services within the digital business landscape with headquarters in Barcelona and offices in Dublin, Porto, Valencia, Madrid, Tarragona and Buenos Aires. talents.

As a company, we actively develop and maintain our own proprietary ad-serving technology platform and custom-built infrastructure enabling us to innovate and deploy new features and functionality quickly in a fast-moving and demanding industry.

We are revolutionising the online ad-serving industry for advertisers, publishers and networks alike and are seeking to recruit a highly skilled and talented senior-level PHP Developer to join our dedicated development team in Porto to further design, build and scale our platform offerings across a wide range of web and mobile projects which utilise cutting edge technologies such as Big Data and Realtime Statistics Computation.

The ideal candidate will have a passion for open source software and enjoy working in a fast paced, challenging but rewarding environment.  


  • Development of modular, testable and scalable software components for core platform and Web services/APIs
  • Code optimisation for performance and scalability. Maintenance/refactoring of legacy systems 
  • Research and development of new and emerging technologies 
  • Contribute to team process improvement adhering to industry best practice and principles
  • Participate in regular code reviews and team knowledge sharing activities 

Main requirements

  • 5+ years object-oriented PHP development experience (preferably PHP 7+);

  • Solid foundation in SQL databases and design, specifically MariaDB;
  • Experience with caching tools and techniques (APC, Memcached);
  • Capable of building server-side and client-side applications with PHP, Javascript, HTML;
  • Strong knowledge about design patterns, security and performance concepts;
  • Good understanding of RESTful architectures;
  • Knowledge of Git / Github and related workflows in a distributed team environment;
  • Excellent written, spoken and interpersonal communication skills (Portuguese and English)
  • BS/MS in Computer Science/related technical discipline OR equivalent experience

Nice to have

  • Exposure to NoSQL (MongoDB, CouchBase) 
  • Excellent written, spoken and interpersonal communication skills

Benefits & Perks

We offer a position in a young, dynamic, international environment 

The opportunity for permanent training, personal development, ambitious career growth

A competitive salary 

Most of all, we offer a position in a team that thrives on achievement, success and leadership within our industry. Our core company value is innovation: where people and creativity drive innovative technology. If you have a passion for open-source software and enjoy working in a fast-paced, challenging but rewarding environment, this position is for you!

Flexible start times - Your Birthday off as a paid holiday  - In-house training - Off-site team building days - Fresh fruit - Friday team breakfast - Meal card  - Safari books online license - team lunches 

Apply now

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Or sign up to refer and earn a reward of €300