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

At Celtra, I not only
get to work with the
most innovative mobile
product but also
with the most
creative people in
the industry. - Sudha

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


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

Working at Celtra
gives you a ton of
opportunities to develop
yourself in so many
different ways. - Mojca

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.

New York, NY

Client/Account Manager

Reporting to the Director of Client Services, The Client Manager will be responsible for supporting our existing agency (creative and media) clients in both a pre- and post-sales context. As the go-to person for clients, the role requires you to handle all of the day-to-day needs of these clients. This role will require you to work closely with Sales and Product Management as you support sales processes, ensure successful project delivery and provide client feedback to the business. The Client Manager will work with Sales to ensure awareness of new product capabilities, features, and formats as they are released to market. Through your intimate knowledge of client needs, you will become the client champion inside Celtra, ensuring that your customer’s needs are met. Additionally, the Client Manager should be able to support and guide our partners as they develop new, engaging campaigns, any creative skills would be a huge plus.

The Client Manager will also act as the key liaison between clients and the Celtra Creative Services team. They will be responsible for clearly defining project scope, managing timeline, and clearly communicating with all project stakeholders. From managing innovative mobile campaigns, to product training, to creative guidance this is a varied and exciting role in the fast growing mobile advertising industry.  


The key day-to-day responsibilities for the Client Manager will include:

  • Clearly define project scope

  • Manage day to day interaction with clients

  • Coordinate campaign delivery with Production and Ad Technology team

  • Review project/campaign deliverables for accuracy

  • Regular communication with various groups within the client organizations.

  • Communicate best practices on using AdCreator and executing rich media advertising

  • Apply creative input to campaign and advertiser questions

  • Assist clients with campaign questions and launch


The ideal candidate will possess the following attributes:

  • Relevant BA/BS degree preferred with a strong record of academic success

  • Experience working with (or for) media and creative agencies

  • Experience supporting Saas Platform services

  • Ability to solve problems

  • Effectively manage multiple tasks

  • Client facing experience in similar ad technology/ad operations role

  • Understanding/Knowledge of HTML5

  • Experience troubleshooting client technical issues

  • Working knowledge of mobile advertising and monetization, with an understanding of rich media

  • Creative skills or experience would be a huge plus

  • Ability to thrive in a fast-paced startup environment


Interested candidates, please send your resume and a link to your digital portfolio to No recruiters please.

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