Work at Celtra

Celtra is looking for extraordinary people to join an industry-leading team
that keeps defining the future of mobile advertising.

An inspirational and fun working environment, an innovation-driven, fast-growing start-up,
ambitious projects, and an incredibly talented team are only a few reasons why you will love it here.

Join our industry-leading team that keeps defining the future of mobile advertising.


Do you want to help create one of the most
innovative advertising products in the industry?

Our award-winning creative team with its unwavering dedication to excellence is
constantly innovating upon new features, user experience, and functionality of our
products. This band of daring creatives also defines the voice and designs the look of
Celtra, and develops beautiful, quality mobile ad campaigns for our clients.

Apply for a Creative Job

It's just great
to be a part of such
a fresh and successful
start-up! - Ajda

The best thing about
working at Celtra is that
I can work with an
awesome product that
enables me to create
fascinating and highly
viewed rich media ads. - Krista


Are you a talented engineer looking to join one
of the smartest development teams on the web?

Our frontend, backend, and QA engineers spend their days building a product
we all love and share a passion for, making mobile browsers jump through hoops,
making big data look small and doing humanity a favor by making it
incredibly easy to build ads people actually tap on.

Apply for an Engineering Job

The passion put into
the back end of our
product is intoxicating. - Stefani

The opportunity to
work and educate
yourself from home or
abroad as a part of the
Celtra team is awesome! - Matija


Interested in joining our winning sales, business development,
client services, technical, or marketing communications teams?

Celtra is one of the fastest growing companies in mobile advertising. This
innovative, later-stage start-up is looking for talented, self-motivated professionals to
help continue its growth momentum. To be a part of this winning team, talk to us today.

Apply for a Business Job

I love working at Celtra
because if you have a good
idea and energy for executing
it, you can go out and do
it without 10 people needing
to approve it. - Maja

I love the intelligent
and wonderful people
I work with, and I've
never felt so integral,
valued and heard
at a company. - Jacqueline

Benefits & Perks

Working at Celtra comes with many benefits.
Here are just a few:


Our shelves are always stocked with sweets, drinks, salty snacks ... and the healthy stuff!


Just tell us what you need at your workspace, and we’ll get it for you!


We provide top-notch health insurance to help you stay healthy and happy.


We offer off-the-job trainings in San Francisco, London, New York, and elsewhere.


As a Celtra employee you get the chance to travel between the US and Europe.

Work at Celtra

Browse through all our creative, engineering and business
careers or filter the available positions by location.

Latest jobs

  1. Senior Accountant

    Boston, MA

  2. Client/Account Manager

    New York, NY

  3. Account Manager, EMEA

    London, UK

  4. Director, Agency Sales

    New York, NY, Los Angeles, CA

  5. Director, Publisher Development

    New York, NY

New York, NY

Ad Operations Trafficker

We are seeking an ad operations trafficker. This position supports, account management, campaign trafficking, and publisher/network management, as well as managing and supporting the clients through daily traffic and troubleshooting functions. The position will also provide strategic and tactical input to the ad products function and the product development team as it relates to clients needs.


  • Coordinate trafficking of Celtra rich media ad unit with publisher/network partners
  • Test ad units within production environment
  • Troubleshooting functionality and ad rendering in different environments
  • Ongoing certification of Celtra’s partners
  • Monitoring campaign performance 
  • Expert knowledge of the Celtra AdCreator platform
  • Develop and maintain relationship with key publisher/network partner 

Minimum Requirements

  • Basic understanding of HTML5, Javascript, and iOS/Android Dev
  • 2-4 years experience in ad operations/online trafficking environment. Mobile (including rich media) experience preferred.
  • Working knowledge of 3rd party tags such as DART or Atlas
  • Strong organizational, verbal and analytic skills.
  • Ability to multi-task within a fast-paced environment.
  • Strong communication & interpersonal skills 
  • Strong attention to detail and work well with teams.
  • Working knowledge of Rich Media vendor products
  • BA/BS preferred with strong academic achievement 

Interested candidates, please send your resume to

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