Xenoss is looking for Senior Front-end Engineer for our AdTech project. You will be an active and engaged owner of the product and user experience collaborating effectively with business representatives.

Required skills

— 4+ years of software development
— Strong FE development experience
— Strong knowledge of JavaScript and TypeScript
— Experience building projects with React
— Familiar with tools like WebPack
— Strong knowledge of browser limitations, testing and debugging
— Good verbal and written English communication skills (Intermediate level or higher).

Do not hesitate to apply if you are missing some specific experience. We will be happy to help you with gaining one.

As a plus

— Prebid.js experience is a big plus!
— Experience working with Ad-tech projects is a big plus!

We offer

— Unlimited work-from-home option
— Flexible working hours
— You’ll be working with the best engineers in the country, top specialists in big data, complex architectures, load-tolerant solutions
— 3 weeks of paid vacation and 2 weeks of paid sick-period
— Senior team and challenging projects
— Long-term employment
— Zero bureaucracy
— Covering costs of professional events and English lessons
— Opportunity to choose the equipment you like (MacBook, as you wish)
— Various snacks, tea, coffee, and fresh fruits in the office


You will be an active and engaged owner of the product and user experience collaborating effectively with business representatives.

— Take part in design, architectural and technological decisions
— Design and implement brand new product to meet cutting edge market and business needs
— Manage multiple competing priorities in a fast-paced, exciting environment
— Utilize the best engineering practices and continue growing as a technical specialist

Project description

We’re working on a marketing technology enabling website owners to monetize their online products by selecting the most suitable entertainment offers from the best companies and showing them to users.

The biggest gaming and entertainment websites across the world use our system for monetizing their audience.

We show over 2 billion commercials per month across 1,500 publisher sites and continuously growing. We process massive data and resolve complex engineering problems to help users with getting the most relevant offers.

Tech stack includes TypeScript/Javascript, ReactJS, AWS, GCP, Docker, MongoDB.

About Xenoss

Xenoss is software development lab focused on building data-driven solution for marketing and advertising industry.

We build audience statistics trackers, user behaviour prediction systems, user journey optimization solutions, DMP/DSP/SSP systems, location data processing systems, email automation systems, segment builders, etc.

We work with really big data. We store, process, transform, and search on tons of fuzzy structured data sets using NoSQL, in-memory storages, Hadoop, distributed storing, complex data sharding, replication algorithms, etc.

We face with strong algorithmic challenges, like tree and graph processing, search algorithms, multidimensional optimization tasks, machine learning algorithms etc.

Our clients are top marketing and advertising agencies, AdTech vendors, MarTech SaaS companies, banks, mobile carriers. The software we delivered is now the tech basis of multi-billion businesses.

We passionate about efficient and reliable software.

Company website:

DOU company page:

Job posted on 27 April 2021
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