Site Reliability Engineer
Smart AdServer

Smart AdServer

Site Reliability Engineer

  • CDI 
  • Paris
  • Bac +5 / Master
  • > 3 ans


Smart AdServer

Smart AdServer

  • AdTech / MarTech
  • Entre 250 et 2000 salariés

Le poste

Site Reliability Engineer

  • CDI 
  • Paris
  • Bac +5 / Master
  • > 3 ans

Who are they?

Smart est une AdTech française proposant une plateforme de monétisation publicitaire à destination des plus importants sites web dans le monde.

Leur objectif ? Disrupter l’industrie de la publicité digitale avec des solutions performantes, des formats innovants et toujours plus de qualité.

Basée en plein cœur de Paris (IXᵉ), la société poursuit son développement international avec désormais 12 bureaux dans le monde (ouverture du bureau de Singapour en 2019) et rejoint les classements “Champions de la Croissance” par Les Echos et “Fast 500 EMEA” par Deloitte.

Leur fierté ? Une team de plus de 420 Smarties qui s’épanouissent à travers une culture d’entreprise prônant l’ownership et qui vit à travers 4 valeurs essentielles : Care, Innovation, Transparency et Excellence.

Smart AdServer
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Job description

👫 About the team

At Smart, we’re on a mission to develop advertising technologies that empower our customers to reach their digital business goals. This means that we rely on massively scalable, widely distributed, highly available, and efficient software systems; the platform deals with over 100 billions requests per day and above 40 Gbps of network traffic. 

Our innovation team based in Paris, Krakow and Nantes is composed of 90 straightforward and energetic engineers working in an Agile environment and ready to tackle the most complex technical challenges.

Your mission 👇 


Site Reliability Engineers make our platforms highly available and robust both at infrastructure and application level. Reporting directly to our Lead SRE, you will join a team where millisecond matters and will have the opportunity to significantly contribute to the evolution of our production platform and technologies (7 DataCenters, 1200+ servers).

This means that we rely on massively scalable, widely distributed, highly available, and efficient software systems: the platform deals with over 20+ billion auctions by day, aiming >99,95% service availability. To reach that goal we collect every minute 5 Million metrics per production site.

What you’ll do ✏️

  • Write specifications, implement and maintain back office tools (web API, site administration) in order to monitor evolution in terms of quality of services, software, and systems.
  • Optimize and monitor software and network infrastructure across the globe.
  • Solve complex problems (monitoring, sharding) regarding the implementation of previous generation architecture, allowing the deployment of advanced business functionalities, essentially based on Linux (Hadoop, Redis, Prometheus, Aerospike, Grafana…)
  • Provide technical expertise in order to improve the quality and performance of the architecture (Ansible, Docker, Kubernetes, Cloud), highlighting the outcomes with Key Performance Indicators.
  • About you 💪

  • Master degree in Computer Science or similar technical field of study
  • 3+ years of System or Software Engineering experience in a Linux and/or Windows environment ideally in the web industry
  • Experience in the administration and smooth scaling of technologies that support high loads and offer a top quality of service in terms of performance and high-availability
  • Interest in new technologies and large-scale technical stakes
  • Entrepreneurial spirit and know-how to identify opportunities of improvement with ability to thrive under autonomy in a fast-paced environment
  • Working proficiency and communication skills in verbal and written English
  • Side technical projects
  • 👋 About us

    Headquartered in France, Smart employs over 420 employees in 12 countries in Europe, America, and Asia. The company is backed by private equity, led by Capital Croissance through a management buyout operation in 2019. 

    With the recent acquisitions of LiquidM (2019) and DynAdmic (2021), Smart accelerates its growth in three key areas - CTV&OTT, US expansion & Marketer Services.

    The company is ranked on the Deloitte Technology Fast 500 EMEA and in the Financial Times’ FT 1000: Europe’s Fastest-Growing Companies. Smart has been awarded the HappyIndex@Work label and is proud to be among the best companies in the ChooseMyCompany ranking, recognized for its flexible working environment.

    Smart works directly with hundreds of buyers and more than 1,000 publishers worldwide including Meredith, Insider, The Guardian, Cafe Media, Groupe Marie Claire, Le Figaro, Altice, and PlutoTV to deliver display, video, native, and rich-media ads to over 50,000 sites and apps. 

    Thanks to its holistic ad monetization platform (Adserver/SSP/Buyer Tools/DSP), brands can achieve greater efficiency through their advertising spend and publishers can act with certainty and have the control they need to provide the right blend of transaction models, channels, format (Display, Audio, Video, CTV, Mobile) and audience data to deliver true value path optimization to brands. Come and lead the charge with us in building a transparent ecosystem based on quality.


    Smart AdServer is an equal opportunity employer. Equal access to employment, services, and programs are available to everyone, regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. If you require reasonable accommodation throughout the application and/or interview process, please contact the recruitment team at

    Smart AdServer

    Smart AdServer

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